从A.B.C.D四个选项中.选出可以填入空白处的最佳选项.并在答题卡上将该项涂黑. 21．-The exam was too difficult, wasn’t it? -Yes, I do——青夏教育精英家教网—

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

21．-The exam was too difficult, wasn’t it?

　 -Yes, I don’t think ______ could pass it.　

　　 A. somebody　　　 B. anybody 　　　 C. nobody 　　　　　 D. everybody

22. Time is life; therefore, waste your time and waste your life, ______ master your time and master your life.

　　 A．and　　　　　　 B．for　　　　　　 C．so　　　　　　　 D．or　　

23. TV-Turnoff Week, _______ millions of people around the world participate every year, tries to encourage people to turn on life.

　　 A．in which　　　 B．on which　　　 C．which　　　　　　 D．when

24. Losing weight is no easy task. A lot of people who lost weight gain it back over time and end up back _______ they started.

　　 A．where　　　　　 B．though　　　　 C．since　　　　　　 D．after　

25. With the development of the Internet, _____ communication will be done by regular mail.

　　 A．more　　　　　 B．less　　　　　 C．much　　　　　　 D．little

26. -Why didn’t you buy the gold ring?

　 -I ______ but I didn’t have the money.

　　 A. would have　　 B. bought　　　　 C. would like to　　　　 D. had bought

27. It was ________ was a waste land ten years ago _______ a modern city has been set up on.

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

28. The young man, ______ several attempts to beat the world record in high jumping, decided to have another try.

　　 A．to make　　　　 B．making　　　　 C．made　　　　　　 D．having made

29. - How about buying Sam a mobile phone? After all, he isn’t a boy any more.

　 -I think it necessary, for we sometimes want to make sure if he _______ home for dinner.

　　 A. will come　　　 B. comes　　　　 C. has come　　　　 D. would come

30. With exports ______ a big role in its economic growth, China has been affected by the current financial storm.

　　 A. playing　　　　 B. to play　　　　　　　　　　　　　 C. played　　　　 D. play

31. The idea puzzled me so much that I stopped for a few seconds to try to _______.

　　 A. make it out　　 B. make it off　 C. make it up 　　　 D. make it over

32. Mother told Jim to watch the milk until it boiled and then _________ off the gas.

　　 A. turn　　　　　 B. turning　　　　 C. turned　　　　　 D. having turned

33. The fact that people are afraid to go out at night is often a result of perceived (感知) danger ________actual danger.

　　 A. other than　　 B. more than　　 C. rather than　　　　 D. better than

34. Nine in ten parents said there were significant differences in their approach to educating their children compared with ______ of their parents．

　　 A．those 　　　　 B one 　　　　　　 C．both 　　　　　　 D．that

35. Peter was so excited ______ he received an invitation from his friend to visit Chongqing．

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

第二节　完形填空(共20小题；每小题1.5分，满分30分)

My mother used to ask me what is the most important part of the body. Through the years I would __36__ what I thought was the correct answer. When I was younger, I thought __37__ was very important to us as humans, so I said, "My ears, Mommy."　 She said, "No. Many people are __38__. But you keep thinking about it and I will ask you again soon."

　 Several years passed __39__ she asked me again. Since making my first __40__, I had often thought of the correct answer. So this time I told her, "Mommy, sight is very important to everybody, so it must be our eyes." She looked at me and told me, "You are __41__ fast, but the answer is not correct because there are many people who are blind."

　 __42__ the years, Mother asked me a couple more __43__ and always her answer was, "No, but you are getting __44__ every year, my child." Then last year, my Grandpa died. Everybody was heart broken. Everybody was crying. My Mom looked at me when it was our __45__ to say our final good-bye to Grandpa. She asked me, "Do you know the most important body part yet, my dear?"

　 I was __46__ when she asked me this now. I always thought this was a __47__ between her and me. She saw the __48__ on my face and told me, "This question is very important. It shows that you have really __49__ your life." I saw her eyes well up with tears. She said, "My dear, the most important body part is your __50__."　 I asked, "Is it because it holds up your head?" She replied, "No, it is __51__ on them a crying friend or loved one can rest their head. I only hope that you have enough __52__ and friends that you will have a shoulder to cry __53__ when you need it." Then and there I knew the most important body part is not a __54__ one. It is sympathetic to the pain of __55__.

36.　 A. notice　　　 B. believe in　　 C. doubt　　　　　 D. guess at

37.　 A. love　　　　 B. health　　　　 C. sound　　　　　 D. sight

38.　 A. blind　　　 B. deaf　　　　　 C. invisible　　　 D. thoughtful

39.　 A. while　　　 B. once　　　　　 C. after　　　　　 D. before

40. 　A. discovery　 B. decision　　　 C. attempt　　　　 D. suggestion

41.　 A. learning　　 B. thinking　　　 C. growing　　　　 D. changing

42.　 A. Before　　　 B. Till　　　　　 C. Beyond　　　　 D. Over

43.　 A. ways　　　　 B. things　　　　 C. questions　　　 D. times

44.　 A. stronger　　 B. taller　　　　 C. smarter　　　　 D. nicer

45.　 A. duty　　　　 B. turn　　　　　 C. pity　　　　　 D. chance

46.　 A. shocked　　 B. satisfied　　　 C. interested　　 D. excited

47.　 A. game　　　　 B. test　　　　　 C. match　　　　　 D. secret

48.　 A. worry　　　 B. puzzlement　　 C. regret　　　　 D. pain

49.　 A. enjoyed　　 B. found　　　　　 C. disliked　　　 D. lived

50.　 A. shoulders　 B. feet　　　　　 C. hands　　　　　 D. hair

51.　 A. how　　　　 B. because　　　　 C. why　　　　　　 D. whether

52.　 A. respect　　 B. favor　　　　　 C. love　　　　　 D. fun

53.　 A. by　　　　　 B. on　　　　　　 C. above　　　　　 D. for

54.　 A. valuable　　 B. useful　　　　 C. selfish　　　　 D. precious

55.　 A. others　　　 B. the deaf　　　 C. Grandpa　　　　 D. the blind

31、植物开花受光周期的影响，菊花等短日照植物只有白昼短于一定时数若干天后，才能开花。那么菊花感受光周期刺激的部位在哪里？是在植物的顶端花芽，还是在下部的叶片？请你设计实验探究菊花感受光周期刺激的部位，写出实验步骤，预测实验结果并分析：

(1)实验材料：(略)

(2)实验步骤：

30、图12中，(一)(二)为种子呼吸作用及植物光合作用实验装置示意图，(三)曲线为种子呼吸作用(实线)及植物光合作用(虚线)的强度变化过程：

(1)如图12中，(一)和(二)所示，由漏斗向种子瓶内加入少量水后(图中a点)，(三)的曲线发生了变化，据图回答：

①曲线ab上升的原因是：___________________________________；

曲线cd上升的原因是：________________________________________________。

②曲线d点后趋平说明：_____________________________________________________。

(2)撤去导管，将(二)中绿色植物置于密闭玻璃罩中，如不给光照，玻璃罩内CO₂含量每小时增加20mg；如充足光照，CO₂含量每小时减少45mg。根据测定，上述光照条件下，光合作用产生葡萄糖为50mg/h。试问：

①该植物在光照条件下通过光合作用每小时吸收CO_{2________________________}mg

②该植物在光照条件下通过呼吸作用每小时产生CO_{2________________________}mg，在光照条件下呼吸作用放出的CO₂比在无光条件下呼吸作用放出的CO_{2_______________________}mg

③光照下该植物每小时净积累葡萄糖_______________mg

29.(13分)密闭容器中，保持一定温度，进行如下反应：

　　　　 2SO_{2 (g)}+　 O_{2 (g)}　2 SO_3(g)

已知加入1mol O₂和2 mol SO₂，在恒压条件下，达到平衡时生成a mol SO₃[见下表中编号(1)的一行]。在恒容条件下,达到平衡时生成bmol SO₃[见下表中编号(4)的一行].若相同条件下，达到平衡时混合物中各组分的百分含量不变，请填空：

状态　条件	起始时各物质的物质的量(mol)	平衡时SO₃的物质的量(mol)
编号	x(SO₂)	y(O₂)	z(SO₃)
恒压	(1)	2	1	0	a
(2)	3		0
(3)			0.2	0.5a
恒容	(4)	2	1	0	b
(5)	0	0		b
(6)		0.25		b
x、y、z取值必须满足的一般条件(一个只含x、z，另一个只含y、z)：　　　　　　　　　　　　　　;
a与b的关系是： a　　　　　　　 b(填 “＜”、“＞”或“＝”)

28.(16分)(1)下列有关实验操作或判断正确的是　　　　　　　　　 (填有关序号，多选扣分)

A.　　用托盘天平称得NaOH固体10.52g

B.　　用量筒准确量取稀硫酸溶液8.0ml

C.　　用碱式滴定管量取KMnO₄溶液20.50 ml

D. 实验室快速制取少量H₂ 、O₂ 、NH₃可以用同一种气体发生装置

E. Fe(OH)₃胶体与FeCl₃的混合溶液可用过滤的方法分离

F. 测定硫酸铜晶体结晶水含量时，若无水硫酸铜粉末发黑，则测得结果偏高

(2)50 ml 0.50 mol/L的盐酸与50 ml 0.55 mol/L的NaOH溶液在下图所示装置中进行中和热的测定。请回答下列问题：

①从实验装置上看，图11中尚缺少的一种玻璃仪器是　　　　　　　　　　　；由图可知该装置有不妥之处，应如何改正？

②烧杯间填满碎泡沫塑料的作用是　　　　　　　　　　　　　　　　　　　　　　

③大烧杯上如不盖泡沫塑料板，则求得的中和热数值　　　　　　(填偏大、偏小或无影响)

④实验中改用60 ml 0.5 mol/L的盐酸与50 ml 0.55mol/L的NaOH溶液进行反应，与上述实验相比，所放出的热量　　　　 (填相等或不相等)，理由是　　　　　　　　　　　　　　　

所求中和热的数值　　　　 (填相等或不相等)，理由是　　　　　　　　　　　　

⑤用相同浓度和体积的氨水代替NaOH溶液进行上述实验，测得中和热的数值会　　　　　(填偏大、偏小或无影响)

27. (18分)(1)A是日常生活中常见的一种有机物，在一定条件下A有如下的转化关系：

B是无氧化合物，且是同系物中相对分子质量最小的物质，D能使紫色石蕊试液变红，则A的结构简式为　　　　　　　　　　，B与D在一定条件下可以只生成一种有水果香味的物质，该反应属于　　　　反应(填反应类型)，在一定条件下由C可以制备1－丁醇，在该反应过程中，一定发生　　　　　　　　　　　　　　　　　　　反应(填反应类型)。