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2009高考英语综合大预测(含答案解析)

选 择 题 部 分

1.语法与词汇知识选择题

1. --- Is there any possible way to help them get rid of such a bad habit?

 --- To tell the truth, it’s very hard. But we    on this problem trying to improve the situation.

A. worked    B. had worked     C. are working     D. had been working

【答案】C

【解析】考查动词时态。语境意义:“这个问题还没解决,我们正在努力解决这个问题”,因此用现在进行时。对动词时态的考查历来是高考试卷的重点内容。

2. The computer looks old, but it _________ just half a year ago.

A. has been bought     B. will be bought     C. is bought    D. was bought

【答案】D

【解析】考查动词时态。本题容易错选A项。语境有具体过去时间“half a year ago”,因此buy表示过去的动作,用一般过去时被动语态。

3. “I       in the room, watching TV broadcast about the earthquake.” I told the policeman who had driven here to question me.

A. was staying     B. stay       C. stayed          D. am staying

【答案】A

【解析】考查动词时态。语境没有提到具体时间,但从语境和和试题命制形式上看是直接引语,这里表示回答警察的讯问,那么一定是问在过去某个时候“我”在做什么,因此用过去进行时。

4.         in charge of the shopping center has upset him for quite some time.

A. Left       B. Being left      C. Having left      D. To leave

【答案】 B

【解析】考查非谓语动词用法。本空在句中做主语,表示被动含义,因此选B。

5. On March 14, violent crimes of beating, looting and burning in Lhasa of Tibet broke out, _____ 13 innocent people and with more than 300 _____.

A. killed; injured       B. killing; injured       C. killed; injuring   D. killing; injuring

【答案】 B

【解析】考查非谓语动词用法。第一空用kill的现在分词做状语表示主动含义和补充说明,第二空用过去分词表示“受伤”。

6. Do you know that the first textbooks written for teaching English as a foreign language ____ in the 16th century?

A. came up        B. came along        C. came out      D. came about

【答案】C

【解析】考查常见动词短语用法。语境表示第一本教授英语作为外语的课本“出版,出现”,用come out表示“被出版,被刊行”。其他短语的含义:Vi. A发生,被提出,B进展,出现,D发生。

7. Write down the key words that you ____ your students to find in the passage.

A. make      B. expect          C. suggest     D. hope

【答案】 B

【解析】考查常见动词辨析。从搭配看,只有expect能接带to的不定式做宾补;从含义看,语境表示预料学生可能会问的问题,因此选B。

8. To _______ good relationships with your teachers and classmates, you should learn to be on good terms with them.

A. bring up        B. add up      C. keep up       D. take up

【答案】 C

【解析】考查常见动词短语。语境表示“保持/维持”好的人际关系,因此选C。

9. We’d better set off,or it will be dark         we know it.

A. before           B. after                C. when        D. until

【答案】A

【解析】考查状语从句的连词。语境表示“还不等我们意识到”,用before引导状语从句表示“在……之前”。

10. 一Isn't it a surprise that I happened to meet Francis Mathews at the Christmas party last week?

一If my memory serves me correctly, you _____ each other for exactly two years.

A. hadn't seen     B. haven't seen         C. didn't see        D. don’t see

【答案】 A

【解析】考查动词时态。语境表示在上周见面之前有两年没见面,因此用过去完成时。

11.        the city lies the famous beautiful mountain.

A. 40 miles southeast of           B. To 40 miles southeast of

C. Southeast 40 miles to           D. To southeast 40 miles of

【答案】A

【解析】考查副词用法。语境表示方位,“城市东南方向四十公里的地方”,用(to the)+方位词,数量概念放在介词短语或副词短语的前面。因此A为唯一正确表达。

12. ―What do you think of the blind man?

       ―I’ve never seen a man with         sense of touch.

A. the better     B. a better        C. a good      D. the best

【答案】 B   

【解析】考查形容词比较级的用法。本题用“否定词+比较级”结构表示“没有比……更……的”,比较结构后有名词时,用不定冠词修饰,表示没有具体限定的“更……的”。

13. The result was far beyond _____we had expected, ____brought great joy to every one of us.

       A. that; which              B. than; that                 C. what; what        D. what; which

【答案】 D

【解析】考查宾语从句和定语从句。第一空用what引导宾语从句,连词what在从句中做宾语,第二空用which引导非限制性定语从句,关系代词which指代主句内容。

14. Everyone has periods in their lives __________ everything seems very hard.

   A. when              B. where               C. which                D. that

【答案】 A

【解析】考查定语从句。本题的关系词引导定语从句修饰periods,并在从句中做时间状语,因此选A。

15. What impresses me most is _________ he appears in front of others, he wears a sincere and charming smile.

A. which        B. that        C. where          C. that whenever

【答案】 D

【解析】考查表语从句和状语从句。从语境看,本题需要两个连接词,一个是表语从句的连词that,此时that只起连接作用,不在从句中做任何成分,而且一般不省略;表语从句中还有一个状语从句,表示“无论他在什么时候出现”,用从属连词whenever。

16. Class regulations require _____ is the last to leave the classroom _____ off all the lights.

A. who; should turn                B. whom; shall turn

C. whomever; turns                D. whoever; turn

【答案】 D

【解析】考查名词从句的连词和虚拟语气用法。主语从句中缺少主语,故用whoever=the person who, require后接宾语从句,句中动词用(should)do。

17. ―Where is Bob? I cannot find him anywhere.

―He        have been off long. I heard him make a call just now.

A. shouldn’t      B. can’t           C. mustn’t        D. needn’t

【答案】 B

【解析】考查情态动词与虚拟语气用法。语境表示语气很肯定的否定判断推测:我刚才还听见他打电话了,因此他一定没走多远。用can’t have done。

18. If the prediction for the earthquake ________ more accurate, we would have been more prepared and many more lives would have been saved.

A. had been           B. was          C. has been         D. were

【答案】A

【解析】考查虚拟语气。语境表示假如地震的预测更准确,我们就能做好准备,很多生命就不会失去了,主句使用了would have done,因此表示与过去实际情况相反的假设,状语从句用过去完成时,因此选A。

19. ―Who has made a mess in my room?

    ―Who else        it but your naughty son?

    A. could do        B. could have done    C. did          D. has done

【答案】 B

【解析】考查情态动词用法。语境表示对过去发生并延续到现在的情况的推测,用could have done表示不肯定的语气。

20. I was told that    10:15 flight would take us to Shanghai in time to reach    Fudan University.

A. the; /             B. the; a            C. a; the       D. /; the

【答案】A

【解析】考查冠词的用法。第一空,用the表示定指,“十点一刻的航班”,第二空是专有名词,不加冠词。

21. He talked again and again to his friend about careful driving, but _____ just turned a deaf ear to his words.

A. another         B. other             C. others        D. the other

【答案】 D

【解析】考查代词用法。语境涉及两人,他和他的朋友,因此这里用the other表示“另外那个人”,即他的朋友。表示两者中的另外一个用the other。表示没有具体所指的“另外一个”用another,other是形容词,不能单独使用;others表示没有具体范围限制的“其他的”,是复数指代。

22. It is a great        for a person to be able to drive when he is seeking a job.

A. advantage                B. chance              C. fun           D. importance

【答案】 A

【解析】考查名词辨析。语境表示找工作时,如果会开车将是一个优势,因此选A。

23.          the weather, the sports meet will be held on time.

A. In favor of               B. Regardless of           C. Apart from              D. Due to

【答案】 B

【解析】考查介词短语辨析。语境说运动会按期举行,因此这里表示“不顾”天气情况,用B表示“不管,不顾”。其他选项的含义:A赞成,C除了……之外,D由于。

24. ―I just wonder        that made Mark Twain so famous a writer.

―Of course his early experiences.

A. it was what               B. what he did                     C. how he did               D. what it was

【答案】D

【解析】考查强调句的特殊疑问句和语序。从题干的含义看,本题涉及强调句的特殊疑问句和语序。被强调的成分在原句做主语,表示物,用what,疑问句在本题做宾语,用陈述句的语序,因此选D。

25. Never in my wildest dreams          these people are living in such poor condition.

       A. I could imagine                             B. could I imagine

C. I couldn’t imagine                  D. couldn’t I imagine

【答案】 B

【解析】考查倒装句结构。否定副词never放在句首,主句要用部分倒装,再者,表示否定含义时,前面已经有了否定词,句中就用肯定形式,因此本题选B。

26. ---You shouldn’t have taken pictures before the carved stones.

---____ .

A. Pardon me      B. Yes, I will      C. Never mind      D. Don’t mention it

【答案】A

【解析】考查交际用语用法。语境表示责怪及回答。从四个选项看,这里应该表示道歉,选A,表示没听清楚对方的话。

27. ―I found my mom not feeling well this morning. I’m afraid she is ill.

―_________.

A. Don’t worry too much                   B. It’s nothing at all

C. I’m sorry to hear that                     D. Take it easy

【答案】 C

【解析】考查交际用语。本题的交际语境是如何表示安慰。对方说他母亲生病了,此时应该表示安慰,帮对方分担忧虑,选C,而不是A、D项空泛地让对方别着急,也不是B,没事。

28. ―Good morning,Doctor Brown’s office.

―Hello, this is Tom Smith. Could you please tell Doctor Brown I       ? My car        start.

A. was delayed, doesn’t               B. will be delayed, won’t

C. am delayed, didn’t                  D. would delay, mustn’t

【答案】 B

【解析】考查动词的时态和情态动词用法。从语境看,第一空用一般将来时表示对将来情况的预测,第二空用won’t/wouldn’t表示无可奈何的感觉,“偏不,就是不”。

29. When I saw mum nod _______ to me, I calmed down and went on with my acting.

A. encouragingly      B. amazingly             C. increasingly     D. accordingly

【答案】 A

【解析】考查副词辨析。词类的考查异军突起,在高考试卷中所占比例越来越大。考查的着重点更多是从语境和词汇的含义去把握和选择,很少考查同义词或近义词的辨析。语境说妈妈对我点头,我冷静下来,从这些信息看,本题选A,妈妈用手势语鼓励我。

30. In the time of social reform, people’s state of mind tends to keep       with the rapid change of society.

A. contact       B. progress          C. touch               D. pace

【答案】D

【解析】考查名词辨析。四个选项的含义:A接触,B进步,C碰,触摸,D节奏。从动词与介词搭配看,这里用keep in contact with或keep pace with表示“与……并驾齐驱”。

 

非 选 择 题 部 分

I)阅读理解热点预猜一组

                                                        A

FreeRice.com―For Each Vocabulary Word You Get Right, We Donate Free Rice through the United Nations World Food Program to Help End World Hunger

       1 word = 20 grains;       5 words = 100 grains

       Play and feed hungry people  .                   

       How to play

Click on the answer that best defines the word.

If you get it right, you get a harder word. If wrong, you get an easier word.

For each word you get right, we donate 20 grains of rice to the United Nations World Food Program.

WARNING: This game may make you smarter. It may improve your speaking, writing, thinking, grades, job performance... (more)

       Frequently Asked Questions

       How does playing the vocabulary game at FreeRice help me?

Learning new vocabulary has tremendous benefits. It can help you:

★Present your ideas better

★Write better papers, emails and business letters

★Speak more accurately and influentially

★Read faster because you understand better

★Get better grades in high school, college and graduate school

★Perform better at job interviews and conferences

★Be more effective and successful at your job…

   After you have done FreeRice for a couple of days, you may notice an odd phenomenon. Words that you have never consciously used before will begin to pop into your head while you are speaking or writing. You will feel yourself using and knowing more words.

       How does the FreeRice vocabulary program work?

   FreeRice has a custom database(数据库) containing thousands of words at varying degrees of difficulty. There are words proper for people just learning English and words that will challenge the most learned professors. In between are thousands of words for students, business people,  doctors, truck drivers… everyone!

   FreeRice adjusts to your level of vocabulary. It starts by giving you words at different levels of difficulty and then, based on how you do, designs a proper starting level for you. When you get a word wrong, you go to an easier level. When you get three words in a row right, you go to a harder level.

   There are 60 levels in all, but it is rare for people to get above level 50.

1. Playing the vocabulary game at Freerice enables you to do the following EXCEPT______.

A. be admitted to a top university         B. perform better in a speech contest

C. help the needy people in the world      D. improve your performance at work

2. People of different levels of learning can surf FreeRice because_______.

A. it offers a large vocabulary

B. it adjusts to the player’s level of vocabulary

C. it is free of charge to play the game

D. it is designed to meet the needs of people in different fields

3. We can infer from the passage that the purpose of designing the game is to______.

A. supply more rice to feed the hungry people in poor countries

B. promote English learning in non-English speaking countries

C. attract more people to learn English to stop hunger

D. combine English learning with helping hungry people

4. Where is the passage likely to appear?

A. In a popular newspaper.             B. In a farming magazine.

C. On the website.                    D. In a document of the UN.

                                                        B

Human beings have always been fascinated by twins. Romulus and Remus, Jacob and Esau, Mary-Kate and Ashley.

As children, many of us imagine having a twin: a permanent playmate, a partner in trouble, someone who’d love us unconditionally. Somewhere out there is someone who is exactly like us! What would it feel like to look into a face exactly like our own?

And what if she suddenly appears in my life? That’s essentially what happened to Brooklyn writer Paula Bernstein. I’d known Paula slightly for years; she wrote a lovely essay for Redbook many years ago refuting(驳斥) the persistent belief that all adoptees want to search for their birth parents. Her adoptive family was her family, she wrote; her adoptive mother was her mother. But then, out of the blue, an adoption agency called her and told her about the identical twin sister she didn’t know she had. Her sister, Elyse Schein, wanted to meet her.

I met them for coffee at Café Mogador, three years after their first meeting. Now 38, they have different haircuts, have made different choices in hair color, do their makeup differently. But they clearly look alike, with thick hair, upturned noses. They quickly discovered they had the same childhood habit of sucking their middle fingers, the same adult habit of forgetfully typing their thoughts on an invisible keyboard while thinking. Both edited their high school newspapers and studied film in college. Paula wrote film criticism; Elyse became a filmmaker. They both collected Alice in Wonderland dolls and kept them in the boxes.

They’re now regulars at Café Mogador. The women’s journey from strangers to sisters has clearly been rocky. But as they got to know each other, and struggled to piece together their history, their search united them.

“For me, the search began when I reached the age when my adoptive mother died,” Elyse said. “I realized that my birth mother could be dead. Time was passing. I was ready to solve the mystery that had shadowed my life.” Elyse had always felt a part of her was missing. “I’d felt so different from my adoptive family.” she said.

Paula was raised in a more typical Jewish intellectual family, and was at first a little threatened by Elyse’s appearance in her life. “My first response was both fear and excitement. The moment we met, I felt I was meeting my long-lost best friend. I could tell her anything. And then as that first excitement wore off, I thought, oh my God, I’ve committed to a long-term relationship with a stranger. I wished we hadn’t been separated, but also that I hadn’t been contacted. What would it mean to be in each other’s lives?”

5. What is the main idea of the passage?

A. We always hope to have twins for much good.   

B. We are often attracted by twins because of the mystery.

C. The long-lost twins, Paula and Elyse, were reunited.

D. Life with twins is always wonderful.

6. Which of the following can we infer is the least common names of twins according to the passage?

A. Romulus and Remus.                             B. Jacob and Esau.

C. Mary-Kate and Ashley.                          D. Paula and Elyse.

7. The underlined words “out of the blue” in the fourth paragraph can be replaced by ________.

A. unexpectedly        B. accidentally       C. oppositely             D. out of control 

8. It can be inferred that the following paragraph of the passage will talk about _________.

A. how Paula and Elyse found each other

B. how Paula and Elyse were separated when young

C. what their mothers were like

D. their mixed feelings when they saw each other

                                                   C

Tess still stood hesitating like a swimmer about to make his dive, hardly knowing whether to return or move forward, when a figure came out from the dark door of the tent. It was a tall young man, smoking.

He had an almost black face, though red and smooth. His moustache was black with curled points, though he could not be more than twenty three or―four. There was an unusual force in his face, and in his daring rolling eyes.

“Well, my beauty, what can I do for you?” said he, coming forward. And seeing that she was quite at a loss, “Never mind me. I am Mr. d’Urberville. Have you come to see me or my mother?”

This differed greatly from what Tess had expected. She had dreamed of an aged and dignified face. She tried to keep calm and answered― “I came to see your mother, sir.”

“I am afraid you cannot see her―she is ill in bed,” replied the representative of the house; for this was Mr. Alee, the only son of the noble family. “What is the business you wish to see her about?”

“It isn’t business―it is―I can hardly say what!”

“Pleasure?”

“Oh no. Why, sir, if I tell you, it will seem…”

Tess’s sense of a certain ridicule was now so strong that, despite her general discomfort at being here, her rosy lips curved(弯曲) towards a smile, much to the attraction of the young man.

“It is so foolish”, she stammered(急急巴巴地说). “I fear I can’t tell you!”

“Never mind; I like foolish things. Try again, my dear,” said he kindly.

“Mother asked me to come,” Tess continued; “and, indeed, I was in the mind to do so myself. But I did not think it would be like this. I came, sir, to tell you that we are of the same family as you.”

“Ho! Poor relations?”

“Yes.”

“Stokes?”

“No; d'Urbervilles.”

“Ay, ay; I mean d'Urbervilles.”

“Our names are worn away to Durbeyfield; but we have several proofs that we are d'Urbervilles. The local scholars hold the view that we are, and…and we have an old seal(印章) and a silver spoon marked with the same castle as yours. So mother said we ought to make ourselves known to you, as we’ve lost our horse by a bad accident; we can hardly make a living.”

   “Very kind of your mother, I’m sure.” Alec looked at Tess as he spoke, in a way that made her uneasy. “And so, my pretty girl, you’ve come on a friendly visit to us, as relations?”

“I suppose I have,” looking less confident and uncomfortable again.

“Well―there’s no harm in it. Where do you live? What are you?”

                                    ―-Tess of the d'Urbervilles By Thomas Hardy

9. How does Tess feel in the whole course of the meeting with Alec?

A. Excited and hopeful.                 B. Nervous and uncomfortable.

C. Surprised but comfortable.              D. Pleased but embarrassed.

10. In the eyes of Tess, Alec is _______________.

A. forceful and daring                  B. unfriendly and talkative

C. a gentle and reliable man              D. older than she had expected

11. Why does Tess pay the visit to the d'Urbervilles?

A. To see Alec himself.                  B. To see Alec’s mother.

C. To confirm that they are of the same family.

D. To make known their relationship and seek help.

12. Alec appears quite friendly to Tess mainly because __________.

     A. Tess is his distant relation                B. Tess looks polite to him

     C. Tess is a pretty girl                            D. Tess looks ridiculous

                                                        D

    Get a reward for every bug you bring to live in new science museum exhibit.

In a city with trillions of American cockroaches(蟑螂), the Houston Museum of Natural Science has agreed to pay a quarter per bug-up to 1,000-as it seeks to populate a new insect exhibit alongside its Cockrell Butterfly Center.

Nancy Greig, the museum’s director insists the public payday for roaches isn’t just a marketing ploy(炒作).

“Absolutely, this wasn’t devised as a joke,” Greig said. “We needed more roaches for the exhibit, so I sent this message out to everyone in the museum asking people to bring them in. Well, someone decided to tell the press, and all hell has broken loose.”

“But we really do need cockroaches.”

“One might be forgiven for never considering how to catch a live cockroach. But it’s simple enough to fool them,” Greig said, “and even easier to catch them.” American cockroaches are the most common kind in Texas, measuring up to 2 inches long and invading homes.

Despite their less-than-attractive reputation, cockroaches actually aren’t that dirty. Greig even went so far as to call them “fastidious” saying they don’t enjoy rooting(用嘴拱食) in waste. They’re only dirty if, say, they used a sewer(下水道)line to gain access into a home.

The roaches collected by the museum will become part of a display in a new exhibit that showcases insects such as cockroaches, dung beetles and termites.

There’s more to like about roaches, too. They don’t bite, and they don’t carry diseases like a mosquito, so they’re generally safe to handle.

13. For what does the museum pay for cockroaches?

A. For a marketing ploy.       B. It’s devised to make fun.

C. People really need them.     D. For a new exhibit.

14. The underlined word “fastidious” probably means extremely ________.

A. clean     B. dirty     C. unpleasant     D. fast                    

15. What do we know about American roaches?

A. It’s not easy for people in Houston to collect roaches.

B. They all measure 2 inches and are often found in homes

C. They don’t bite and they are free of disease.

D. We have reasons to like them.

16. Which of the following can serve as the best title for the passage?

A. The Houston Museum of Natural Science            B. A new exhibit

C. Quarters for cockroaches                        D. A cockroach is lovely

                                                        E

   Is a loved one missing some body parts? Is everyone at your dinner table of the same species? Humans and chimps(黑猩猩)differ in only 400 genes. And should that worry us ?Is it horrible for you thinking one fifth of all our genes are owned by someone else, or a person and his family may be hunted cross-country because they happen to have certain valuable genes? We live in a time of great scientific leaps!

   Next challenges our sense of reality, blending fact and fiction into a breathless tale of a new world where nothing is what it seems.

   The son of a zookeeper, 16-year-old Pi Patel is raised in Pondicherry. India. Planning a move to Canada, his family takes a ride on an enormous ship. After a shipwreck。Pi finds himself in the Pacific Ocean, trapped on a 26-foot lifeboat with a wounded zebra, a hyena(鬣狗), a orangutan(猩猩), and a tiger named Richard Parker It sounds like a colorful setup. But these wild animals don’t burst into song as in the Disney cartoons. All want to survive, however Pi finds himself the weakest one of all. After much infighting, Pi and Richard Parker remain the boat’s only passengers. Pi is left to survive for 227 days through waters with his large dangerous companion, using all his knowledge, wits and faith.

user posted image

Five people you meet in heaven

When a lonely and elderly man dies in an accident, he awakens in an unfamiliar place called Heaven where five people, some strangers, some loved ones, take him on a clear journey through his life. Each soul has a story to tell, a secret to reveal(揭示), and a lesson to share. Through them Eddie learns “lessons”, finds out why certain events happened in his physical life, and understands the meaning of his own life. The book explores the unexpected mysteries of the afterlife by reminding us what really matters here on earth

家居,Marley&Me:LifeandLovewiththeWorld‘sWorstDog图片欣赏

Marley&Me:life and love with the world’s worst dog

Job and Jenny were just beginning their life together They brought home Marley, a yellow fur-ball of a dog Life would never be the same. Marley crashed through doors, and ate nearly everything he could get his mouth around. However, just as he refused any limits on his behavior, his love and loyalty were boundless, too. He shard the couple’s joy and heartbreak. He was there whenever the couple needs help Marley&Me is so much more than the story of a lovable dog;it’s the story of a family. Toward the end of book, Grogan speaks of the life lessons-loyalty, courage, devotion, simplicity, joy-that Marley taught him.

17. What does the underlined word “blending” in the first hook introduction mean_________.

A. ruin                         B. break                     C. combine                  D. attempt

18. What happened to the survivors on the life boat according to the introduction?

A. Pi managed to kill those animals and finally survived

B. They worked hand in hand to get through the sea

C. They had to fight against one another in order to survive

D. Richard Parker killed other animals but was killed by Pi.

19. Five People You Meet in Heaven tells an old man’s experience in Heaven in order to reveal___.

A. the existence of Heave B. the mystery of death

C. human’s future life D. the true meaning of life

20. Who is Grogan most probably according to the introduction?

A. The author of Marley&Me             B. A friend of John and Jenny

C. An expert taming dogs.           D. The previous owner of the dog

 

【答案解析】 

A篇:本文介绍一个很有创意的网站:FreeRice.com,游戏者只要选对一个单词的释义,就可以为饥民挣得20粒米,广告商和赞助商通过联合国机构为饥民捐献大米。

1.A考查细节理解。文章罗列的在FreeRice玩英语词汇游戏的各种好处,没有提到A项。

2.B考查推理判断。在“FreeRice节目如何工作”一节,作者提到该游戏能根据游戏者的答题情况自动调节词汇的难度,因此适合各种人群参与。

3.D考查主题大意。从文章的叙述看,这个网站的目的是将学习英语词汇与捐大米给饥民结合起来。

4.C考查推理判断。从文章开头的FreeRice.com和WARNING后的more判断,本文出自网站。

B篇导读:本文的话题是双胞胎。全文讲述一对双胞胎的故事:她们被不同家庭收养,但是在各自的家庭感觉与家庭其他人不一样,其中一人在养母去世后开始寻找自己的双胞胎姐妹,她们相遇后发现她们有太多的相同方面,无论个人喜好还是人生经历。

5.C考查主旨要义。本文在谈论双胞胎这个话题后,重点讲述美国布鲁克林作家Paula和其双胞胎Elyse在养母去世后重逢的故事,因此本文的主题应该选C。

6.D考查推理判断。第一段说,人们总被双胞胎所吸引,比如Romulus and Remus, Jacob and Esau, Mary-Kate and Ashley。从这些内容判断,A、B、C都是创建的双胞胎的名字,而D项是本文故事的主人的名字,属个例,因此本题选D。

7.A考查猜词悟义。从语境判断,划线部分的含义是A,突然,出乎意料之外地:对于被收养者总在寻找自己的生身父母的说法她嗤之以鼻,可是“突然”一家收养者机构对她说,她的双胞胎姐妹在找她。这突如其来的消息驳斥了她的观点。

8.B考查推理判断。关于这对双胞胎,本文采用倒叙的方式,先讲这对双胞胎的重逢故事,然后说她们各自在不同的收养家庭长大,那么下文就应该讲述她们当初被别人收养的背景。

C篇导读:本文选自哈代的《德伯家的苔丝》。从贫穷乡下来的苔丝想到德伯家来认亲戚,见到富亲戚家的公子Alec,在和Alec的交谈中她一直觉得紧张不安。

9.B从文章的叙述看,从贫穷乡下来的苔丝想到德伯家来认亲戚,在和Alec的交谈中她一直觉得很紧张,很不自在。

10.A文章第二段说苔丝觉得对方的脸上带有不同寻常的力量,眼睛中带有大胆的成分,第四段说,苔丝本希望遇到的是一个年老而高贵的脸孔。

11.D文章说到苔丝此行的目的:“来告诉你们,我们是同一个家族,我们几乎难以生存”。显然她来此的目的是D。

12.C文章最后部分,Alec对苔丝说,“那么,美丽的姑娘,你到我们这里来是作为亲戚来看望我们的?”由此判断本题选C,Alec觉得苔丝美丽而和她搭讪。

D篇:本文是媒体报道,关于一家博物馆的新展览。某博物馆为了一项新展览的需要,出钱向公众购买蟑螂。

13.D考查细节理解。从文章的叙述可知,博物馆出钱购买蟑螂是为了一项新展览的需要。其他选项在文章中直接批驳了。

14.A考查猜测词义。第七段说,Greig甚至把它们称为 “fastidious”,它们不在肮脏的地方拱食,仅仅在进入居家的路程中从下水道经过时才弄脏了。由此判断,该词的含义与下文提到的dirty相反,因此选A,他认为蟑螂本来是很干净的动物,却被人们误认为很脏。

15.D考查推理判断。文章最后一段第一句说“蟑螂还有其可爱之处”,接着提到蟑螂的可爱和安全方面,因此选D。B与文中up to 2 inches矛盾, C项说“蟑螂没有疾病”,这是文中未提及的内容。

16.C考查主题大意。本文介绍美国一家博物馆的新展览,他们向人们购买蟑螂,考虑新闻报道的时效性和标题的引人入胜,本文应该选C做标题:购买蟑螂的价格,以吸引读者继续阅读这篇新闻。 A显然错误。B项作为标题范围过大,本文只讲了腐蚀性昆虫展中的部分内容(收集的蟑螂)。C既体现了主体内容:收集蟑螂,又兼顾了新闻标题 的特点,适合作为标题。

E篇:本文是一则广告,介绍几本书的内容。

17.C考查猜测词义。划线词的语境说,该书挑战我们的现实感,将事实与科幻blend成一个故事新世界,由此判断其含义是C,“联合,结合”。

18.C这是第二则的内容,说派来到太平洋海底,和其他动物为伍,所有动物都想活命。

19.D考查推理判断。该书的介绍说,这本书探索“来生”的神秘,提醒我们,重要的是今天,由此判断该书的主题是D,了解生活的真谛。

20.A考查推理判断。最后一句说,在小说的饿结尾,Grogan谈到Marley给他的启迪,由此判断,Grogan是该书的作者。

2)时文阅读

   BEIJING (Reuters) - Dozens of young Chinese, angry at disruption of the Olympic torch relay in Paris, protested outside a Carrefour branch in east China on Friday, setting fire to a French flag, waving banners and shouting slogans, local media said.

   There have been small protests at the French retail giant's stores in several Chinese cities, including Beijing, in the past week, but the latest outburst in the eastern coastal city of Qingdao came after state media moved to cool down the nationalistic fervor.

   Chinese Internet users are calling on consumers to boycott Carrefour, which they accuse of supporting pro-Tibetan independence groups seeking to disrupt this year's Beijing Olympics.

   The journey of the Olympic torch around the world has been dogged by protests, largely over Chinese rule in Tibet, where a wave of anti-government unrest erupted in March.

   In Paris, numerous protests and attempts by activists to snatch the torch prompted Chinese security officials to extinguish the torch several times and put in on a bus.

   Local media photos showed the protesters holding up banners that read "Boycott France, Support the Olympics" and "Oppose Tibet independence, Love the motherland".

   They waved red Chinese flags and shouted slogans, attracting a big crowd of onlookers. One photo showed a man burning a French flag.

   Chinese Internet message boards have also featured photos from Hefei, capital city of the eastern province of Anhui, where several "elementary school students" staged a protest with a banner reading "Oppose Carrefour, Shopping is shameful".

   France has tried to play down calls for a boycott of French goods, saying they were being made by a "very small minority" and Carrefour, which has more than 100 hypermarkets in China, has restated its support for Beijing's hosting of the Olympics. Some Chinese newspapers have also run commentaries against the boycott, saying in the era of globalization it would only hurt Chinese employees and suppliers.

   Still, an opinion poll in 10 Chinese cities found 66 percent of respondents supported the Carrefour boycott, according to the official Xinhua news agency. Only 7 percent said outright that they would not.

Questions:

1. What is the best title of the passage? (Please answer within 10 words.)

   ________________________________________________________________________

2. Why are Chinese Internet users calling on consumers to boycott Carrefour? (Please answer within 30 words.)

________________________________________________________________________

3. What is the result of the opinion poll conducted in 10 Chinese cities? (Please answer within 10 words.)

   ________________________________________________________________________

【答案解析】

1. Angry Chinese burn French flag outside Carrefour
2. Because they accuse Carrefour of supporting pro-Tibetan independence groups seeking to disrupt this year's Beijing Olympics.

3. 66 percent of respondents supported the Carrefour boycott.

 

              

1. 书面表达热点预猜(1)

   假设你是李红,你的一位美国笔友Robert写E-mail问及你高考后暑假的安排,请根据以下要点,写一封100词左右的email回复他, 可以适当增加细节。

1. 学开车  2. 参加英语培训课程 3. 去北京看奥运会  4. 游览北京的名胜

注意:1.根据以上内容写一篇短文,不要逐句翻译,可适当增加细节以使行文连贯。

2.要准确使用语法和词汇;使用一定的句型、词汇,清楚、连贯地表达自己的意思;

3. 词数:100个左右。开头已给出,不计词数。

Dear Robert,

   How time flies! _____________________________________________________

______________________________________________________________________________

_______________________________________________________________________________

_____________________________________________________________________________

____________________________________________________________________________

【命题方向与写作提示】高考英语书面表达写作素材都是与中学生的日常生活相关的话题,会避免出现考生不熟悉的话题,也不会出现农村或城市学生不熟悉的话题,注重考查考生的语言表达能力。本篇素材考查书信体裁的作文,是应用文的写作,话题涉及社会热点:北京奥运会,内容中学生的实际生活相关:高考后暑假的安排,体裁是书信体的电子邮件。写作要点包括:1)问候;2)引入话题:高考临近,高考后的安排;3)学开车;4)参加英语培训课程;5)去北京看奥运会;6)游览北京的名胜;7)结束语

【写作提示】书面表达一定要注意要点齐全,写作中要注意适当增加细节以使上下文连贯,并使用一定数量的句式结构。

书面表达范文 (One possible version)

 Dear Robert:

   How time flies! The happy days we shared often shines in my memory. What about you? As you know, my college entrance exam is approaching, which also announces the end of this sort of pressing study life. However,I intend to have a meaningful summer vacation. First, I will learnt to drive to get a driving license, which is a new activity for a high school graduate in China. I will have a good rest, enjoying my hobbies. Then I will take some English course to improve my English communication ability, With the 2008 Olympics beginning, I will be a participant of it, watching the basketball match between China and the US. I have been dreaming of Kobe’s performance long. After that, I will pay a visit to some tourist attractions to widen my horizon.

    That is the plan for my vacation. I am looking forward to being told about your arrangements of vacation. Give me your quick reply soon, OK? 

Best wishes!

 

2. 书面表达热点预猜(2)

   如今世界粮食短缺,价格飞涨,给部分地区造成社会动荡。假设在你校开展的研究性学习中,你们小组以“World Food Crisis”为题进行研究,现在请你代表你们小组向全体同学简要介绍你们的研究成果。主要内容如下:

造成的原因

1. 气候变化,造成粮食减产

2. 工业发展,城市化加速,耕地减少

3. 世界能源价格上涨,使用粮食生产生物燃料

应对的措施

1. 注重环保,改善生态

2. 严格保护耕地

3. 富国支持穷国,促进世界和谐

你如何做出

自己的贡献

1.……

2.……

注意:1. 内容包括以上要点,但不要逐句翻译

      2. 字数150左右,文章开头已提供,不计入总词数

      3. 参考词汇:城市化  urbanization    生物燃料   biofuels

   Hello, everyone,

Now I’ll tell you something about our research project The World Food Crisis on behalf of our group. As you know, food shortages have hit many countries in the world and even caused social unrest in some areas. ______________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

【命题方向与写作提示】这是一篇提纲式的议论文写作素材,探讨国计民生的社会热点话题:粮食价格上涨。写作时要注意避免逐句翻译,并适当增加细节以使行文连贯。

书面表达范文 (One possible version)

    Hello, everyone,

Now I’ll tell you something about our research project The World Food Crisis on behalf of our group. As you know, food shortages have hit many countries in the world and even caused social unrest in some areas. But who is responsible for the current world food crisis? First, annual world grains output has declined because of climate change. Then lots of farmland has been lost due to the rapid development of industry and urbanization. Besides, faced with the rising energy prices, people have turned to the production of biofuels, which has worsened the severe situation.

Then what should we do to deal with the problem? On one hand, we should focus on the environmental protection and improve the ecology. On the other hand, strict measures should be taken to protect farmland. Of course, to build a harmonious world the developed countries should take their responsibilities to help the poor ones experiencing food shortage.

As for me, I will call on the people around me to live thriftily. And for the moment, I think, we should study hard to develop science and help solve the food shortage in the future.

 

3. 书面表达热点预猜(3)

下表是某校关于中学生双休日活动现状的一份调查,请结合表格内容,用英语写一篇120―150单词的短文,就中学生应如何过双休日发表你的看法。

学习情况

几乎都在学习

半天学习半天活动

几乎都在做其他事情

16%

24%

60%

娱乐休闲

体育活动

游玩和购物

上网看电视

20%

40%

40%

去图书馆

经常

偶尔

几乎没有

5%

23%

72%

课外兴趣小组

经常

偶尔

不参加

10%

20%

70%

                                                                                         

                                                                           

                                                                                         

                                                                            

 

书面表达范文 (One possible version)

This form displays the result of a survey on how to spend students’ weekend. It says that few students are glued to their schoolwork any more. Instead, they prefer to surf on the internet, watch TV, go shopping rather than involve in sports games. Library and interest groups are available but not favourable.

Personally I think, students are now freed from heavy burden but their spare time is not well arranged. They are expected to spend some time on what they learn instead of hanging out. More time should be spent not only on green field but also in the libraries to build up themselves physically and mentally. Besides, more interest groups should be established for students to widen their horizon and sharpen their brains so that they can become more creative eventually. All these will contributes a lot to a well-informed and highly qualified teenagers.

In conclusion, students should be more scheduled with colorful and fruitful activities.

 

4. 书面表达热点预猜(4, 说明文)

   假如你是李明,你发现部分同学每次遇到重要考试,都会出现一些焦虑症状。请你用英语写一封信,向某学生英文报编辑反映该问题。信的内容应包括下列要点:

焦虑症状

建    议

头晕、乏力、睡眠不好、食欲不振等

1.考前制定好合适的复习计划

2.考试期间正常作息

3.睡前洗热水澡、喝热牛奶等有助于睡眠

其他建议(内容由考生自己拟定)

注意:1.根据以上内容写一篇短文,不要逐句翻译,可适当增加细节以使行文连贯。

2.要准确使用语法和词汇;使用一定的句型、词汇,清楚、连贯地表达自己的意思;

3. 词数:100个左右。开头已给出,不计词数。

参考词汇:头晕―dizzy(adj.)

Dear editor,

I’m Li Ming of Senior Three, Guangming Middle School. I’m writing to tell you about some symptoms of anxiety among us students before exams. __________________________________

_______________________________________________________________________________

_____________________________________________________________________________

Li Ming

 

书面表达范文 (One possible version)

I am Li Ming of Senior Three, Guangming Middle School. I am writing to tell you about some symptoms of anxiety among us students before exams.

Most of us feel nervous whenever we’re taking an important exam. Some will feel dizzy or tired, some will suffer from lack of sleep, and some will lose their appetite. In fact, all these symptoms have terrible effects on our exams and we are all eager to get rid of them.

First of all, in my opinion, it’s important for us to have a fight attitude towards exams. They are only a means of checking how we are getting along with our studies, so there is no need to worry too much about the results. Study hard every day and make careful plans for every exam. In this way we can avoid suffering from the pressure of exams.

Besides, enough sleep can make us energetic and enable us to perform well in an exam. Therefore, during the period of exams, we should not stay up too late. We can also try a warm bath or a cup of warm milk before going to bed. They might help us to have a sound sleep.

(We’d better go out for a walk or do some outdoor exercises before and during an exam so that we can keep ourselves relaxed and then concentrate ourselves on exams.)

 

5. 书面表达热点预猜(5)

   在紧张的高三备考阶段,你班老师为了提高复习效率,广泛征求学生意见。假如你叫张华,请根据以下提示,给英语老师写封信,表达你们的需求和建议。

●适当放慢进度,留出思考时间

●反复训练重要、易错知识点

●指导方法

●减少作业量以保证质量

●给予更多鼓励

注意:1.根据以上内容写一篇短文,不要逐句翻译,可适当增加细节以使行文连贯。

2.要准确使用语法和词汇;使用一定的句型、词汇,清楚、连贯地表达自己的意思;

3. 词数:100个左右。开头已给出,不计词数。

Dear Mr. Wang,

We’re so pleased that you are willing to share our views.

   In the course of the general revision, what we need is solid foundation.________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

____________________________________________________________________________

 

书面表达范文 (One possible version)

Dear Mr. Wang,

We’re so pleased that you are willing to share our views.

In the course of the general revision, what we need is solid foundation. As you know, we didn’t learn well enough in the first two years, so please slow down and make sure we have really mastered something. Besides, we need a little more time to think for ourselves. As for those important points which also make us confused, would you please give us more practice in case we forget? Meanwhile, we need your instruction, for example, in how to write in natural English. I still have another request: assign us less homework in order that we can do it more efficiently.

By the way, we often feel frustrated, which ha

试题详情

汕头市2009年高中毕业生学业水平考试

化    学

本试卷共12页,27小题,满分150分。考试用时120分钟。

注意事项:

1.答卷前,考生务必用黑色字迹的钢笔或签字笔将自己的姓名和考生号、座位号分别填写在答题卡上,用2B铅笔将答题卡试卷类型(A)填涂在答题卡上,并在答题卡右上角的“考试科目”栏将相应的科目信息点涂黑。

2.选择题每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑,如需改动,用橡皮擦干净后,再选涂其他答案,答案不能答在试卷上。

3.非选择题必须用黑色字迹的钢笔或签字笔作答,答案必须写在答题纸上各题目指定区域内相应位置上;如需改动,先划掉原来的答案,然后再写上新的答案;不准使用铅笔和涂改液。不按以上要求作答的答案无效。

4.考生必须保持答题卡的整洁,考试结束后,将试卷和答题卡一并交回。

可能用到的原子量:C 12 、H 1 、O 16 、S 32 、N 14 、Cl 35.5 、Br 80 、Na 23、

               Mg 24  、Al 27 、Mn 55 、Fe 56 、Cu 64  、Ag 108               

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2009高考化学考点大预测(含答案及解析点评)

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2009高考物理考点大预测(含标准答案及解析点评)

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2009年高考数学押题卷(含标准答案及解析)

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2009届高三化学第二轮限时训练理综化学(7)         

班级         姓名        得分           

教师点评:                                           

6.下列说法正确的是   (    )

A.大量使用含磷洗涤剂会带来白色污染

B.减少使用氟氯代烷的目的是为了减少酸雨

C.硫酸厂不应建在人口稠密的居民区和环保要求高的地区

D.婴幼儿奶粉不能添加三聚氰胺,而成年人食用奶粉可以无限添加

7、下列叙述中,不正确的是:

 ①原子晶体中只含有极性键;②金属在常温时都以晶体形式存在;③一个水分子可形成两个氢键;④分子晶体中一定有分子间作用力,有的还可能有氢键。

    A.①③④      B.②③      C.①②④      D.①②③

8.实验证明:某种盐的水解是吸热的。有四位同学作了如下回答,其中不正确的是(    )

A.甲同学:将硝酸铵晶体溶于水,若水温下降,说明硝酸铵水解是吸热的

B.乙同学:用加热的方法可除去KNO3溶液中混有的Fe3+,说明含有Fe3+的盐水解是吸热的

C.丙同学:通过实验发现同浓度的热的纯碱溶液比冷的纯碱溶液去油污效果好

D.丁同学:在醋酸钠溶液中滴入酚酞试液,加热(不考虑水蒸发)后若红色加深,说明醋酸钠水解是吸热的

9.如图所示,a、b、c、d均为石墨电极,通电进行电解。下列说法正确的是        (    )

A.乙烧杯中d的电极反应为2C1-2e=== C12

B.a、c两极产生气体的物质的量相等

电解

D.乙烧杯中发生的反应为     2NaC1+2H2O==== 2NaOH+H2↑+C12

10.设NA为阿伏加德罗常数的值,下列叙述中正确的是    (    )

A.35.5g超氧化钾(KO2)所含的阴离子中电子数为8NA

B.标准状况下,11.2L氯仿中含有的C―C1键的数目为1.5NA

C.常温常压下,92gNO2和N2O4混合气体中含有的原子数为6NA

D.工业上铜的电解精炼时电解池中每转移1mo1电子时阳极上溶解的铜原子数为0.5NA

11.下列各种情况下,溶液中可能大量存在的离子组是      (    )

A.由水电离出的C(H+)=1×1012mo1/L的溶液中:K+、Ba2+、OH、NO3

B.澄清透明的溶液中:I、C1、C1O、Na+

C.使pH试纸呈红色的溶液中:K+、Fe2+、NO3、Cl

D.含有CO32的溶液中:K+、H+、C1、SO42

12.肼(N2H4)是火箭发动机的燃料,反应时N2O4为氧化剂,生成氮气和水蒸气。已知:N2(g)+2O2(g)=N2O4(g);△H=+8.7kJ/mol

N2H4(g)+O2(g)=N2(g)+2H2O(g);△H=-534.0kJ/mol

下列表示肼跟N2O4反应的热化学方程式,正确的是                                        (    )

A.2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-542.7kJ/mol

B.2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-1059.3kJ/mol

C.2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g);△H=-1076.7kJ/mol

D.N2H4(g)+ N2O4(g)= N2(g)+2H2O(g);△H=-1076.7kJ/mol

13.桶烯(Barrelene)结构简式如图所示,有关说法不正确的是                             (    )

A.桶烯中的一个氢原子被氯原子取代,所得产物只有两种

B.桶烯一定条件下能发生加成反应和加聚反应

C.桶烯与苯乙烯(C6H5CH=CH2)互为同分异构体

D.桶烯分子中所有原子在同一平面内

 

 

 

 

 

 

26.X、Y、Z、W是原子序数依次增大的短周期元素,且互不同族;其中只有两种为金属;X原子的最外层子数与次外层电子数相等;X与W、Y与Z这两对原子的最外层电子数之和均为9。单质Y和W都可与浓的NaOH溶液反应,其中Y与浓的NaOH溶液反应可生成一种气体。请回答下列问题:

(1)Y、Z、W的原子半径由小到大的顺序是(用元素符号表示)                      

(2)ZW2的电子式是       ,它在常温下呈液态,形成晶体时,属于      晶体。

(3)工业生产单质Y的原理是                          (用化学方程式表示)。

(4)X与Y化学性质相似,则X与浓的NaOH溶液反应的化学方程式

                                                       

(5)0.1mol的单质W与50mL 1.5mol/L的FeBr2溶液反应,则被氧化的Fe2+和Br-的物质的量之比是           

27.(14分)合金A由四种单质组成,经一系列反应后分别转化成沉淀或气体。

请回答下列问题:

(1)合金A由哪4种单质组成(写出化学式):                                      

(2)写出黑色固体H生成气体F的化学反应方程式                                         

(3)写出合金A 中有关组成与过量烧碱溶反应的离子方程式:

                                                                                                           

(4)写出向无色溶液C通过量气体F生成白色沉淀D的有关反应的离子方程式:

                                                                                                           

 

 

 

 

 

 

 

 28.(16分)下图是实验室中NH3的制备、性质检验及收集装置图。

 (1)写出A装置中反应的化学方程式                                                            

(2)B装置的作用是                      

(3)做喷泉实验前,要检验F装置是否充满气体,该操作及现象是                  

                                                                                

(4)做喷泉实验时要关闭K2和K4,打开K1,此时C装置的作用有两点:

① 吸收多余的气体保持气流通畅。②                          

(5)验满气体后,关闭K2和K4,打开K1。若要在E中引发喷泉,其操作为                                                               

假设液体充满整个烧瓶,所得溶液的物质的量浓度为                         

29.(16分)咖啡酸(下式中A )是某种抗氧化剂成分之一,A与FeC13溶液反应显紫色。 


(1)咖啡酸中含氧官能团的名称为                                       

(2)咖啡酸可以发生的反应是                                    (填写序号)。

①氧化反应         ②加成反应       ③酯化反应   ④加聚反应     ⑤消去反应

(3)咖啡酸可看作1,3,4一三取代苯,其中两个相同的官能团位于邻位,取代基中不含支

 

链。则咖啡酸的结构简式为                                                                      

(4)3.6g咖啡酸与足量碳酸氢钠反应生成气体(标准状况)            mL。

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徐州市2009届高三第三次调研测试学科网

物 理 试 题学科网

2009年5月学科网

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2009届高三化学第二轮限时训练理综化学(6)         

班级         姓名        得分           

教师点评:                                           

 

6.下列叙述中正确的是

A.22.4L氧气中必然含有6.02×1023个氧分子

B.同温同压下,原子数均为6.02×1023个的氢气和氦气具有相同的体积

C.0.50mol的硫酸钠中含有6.02×1023个钠离子

D.1.0L浓度为1.0mol?L-1的一元酸溶液中含有 6.02×1023个氢离子

7.20g由两种金属粉末组成的混合物,与足量的盐酸充分反应后得到11.2L氢气(标准状况),这种金属混合物的组成可能是

A.Mg和Al                      B.Al和Fe

C.Fe和Zn                       D.Zn和Cu

8.下列说法中正确的是

A.全部由极性键构成的分子一定是极性分子

B.非极性分子中一定没有极性键

C.离子晶体中一定没有共价键

D.分子晶体中一定没有离子键

9.在碱性锌锰干电池中,已知氢氧化钾为电解质,发生的电池总反应为

Zn+2MnO2+2H2O=2MnOOH+Zn(OH)2

下列该电池的电极反应正确的是

A.负极反应为Zn-2e=Zn2+

B.负极反应为Zn+2H2O-2e= Zn(OH)2+2H+

C.正极反应为2MnO2+2H++ 2e=2MnOOH

D.正极反应为2MnO2+2H2O + 2e=2MnOOH+2OH

10.下列关于苯乙酸丁酯的描述不正确的是

A.分子式为C12H16O2

B.有3种不同结构的苯乙酸丁酯

C.既能发生加成反应,又可发生取代反应

D. 在酸、碱溶液中都能发生反应

11.为了净化和收集由盐酸和大理石制得的CO2气体,从下图中选择合适的的装置并连接。合理的是


A.a-a′→d-d′→e                  B.b-b′→d-d′→g

C.c-c′→d-d′→g                  D.d-d′→c-c′→f

12.已知两种离子的电子层结构相同,则a等于

A.b+m+n                          B.b+m-n

C.b-m+n                           D.b-m-n

13.X、Y、Z三者均为短周期元素,已知X元素有一种同位素不含中子,Y元素原子的最外层电子数是次外层电子数的2倍,Z元素原子的最外层电子数是次外层电子数的3倍。下列化学式①XYZ3、②X2YZ2、③X2YZ3、④X2Y2Z2、⑤X2Y2Z4、⑥X4Y2Z2中,并非都存在的一组分子是

A.①②       B.④⑥      C.③⑤      D.②④

26.(15分)1mol水蒸汽和炽热的焦炭反应生成水煤气,反应吸热131.4 kJ ?mol-1。利用该反应生成的氢气和空气中的氮气合成氨,其反应的△H<0。氨可以用于制备硝酸。请回答:

(1)生成水煤气的热化学反应方程式是                           ;

(2)合成氨需要在较大的压力下进行的原因是                           ;

(3)温度过高或过低对合成氨的影响分别是                           ;

(4)由氨生成HNO3的各步反应的化学方程式是                           ;

(5)某化肥厂由NH3制备HNO3,进而生产硝铵(NH4NO3)。假设由NH3氧化生成HNO3的总产率是85%,而HNO3和NH3完全反应生成NH4NO3。列式计算:

①从NH3制取NH4NO3过程中,用于中和硝酸所需的氨占总的氨消耗量的分数;

②若氨的消耗总量为100 kg,可生产NH4NO3的量。


27.(15分)下图中A~J均代表无机物或其水溶液,其中B、D、G是单质,B是地壳中含量最高的金属元素,G是气体,J是磁性材料。

根据图示回答问题:

(1)写出下列物质的化学式:A         ,E         ,I          

(2)反应①的化学方程式是                                           ;

反应②的化学方程式是                                           ;

(3)J与盐酸反应的化学方程式是                                    ;

反应后的溶液与D反应的化学方程式是                                  

28.(15分)有一白色固体混合物,可能含有的阴、阳离子分别是

阳离子

K+       Ba2+       Ag+        Mg2+       NH4+       Na+

阴离子

SO42     SO32     CO32     AlO2

为了鉴定其中的离子,现进行如下实验,根据实验现象,填写下列表格:

(1)取该粉末,加水后得到无色透明溶液,且未嗅到气味;用pH试纸测得溶液的pH为12。

排除的离子

排除的依据

 

 

(2)向溶液中滴加盐酸溶液,开始有沉淀生成,继续滴加,沉淀消失,同时有无色无味气体逸出。

肯定存在的离子

判断依据

 

 

 

排除的离子

排除的依据

 

 

(3)尚待检验的离子及其检验方法

尚待检验的离子

检验方法

 

 


29.(15分)A和B是具有相同碳原子数的一氯代物,A-I转换关系如图所示:

根据框图回答下列问题;

(1)B的结构简式是                      ;

(2)反应③的化学方程式是                                           ;

(3)上述转换中属于取代反应的是                      ;(填写反应序号)

(4)图中与E互为同分异构体的是           ;(填化合物代号)。图中化合物带有的含氧官能团有            种;

(5)C在硫酸催化下与水反应的化学方程式是                           ;

(6)I的结构简式是               ;名称是              

 

 

 

 

 

 

 

 

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