题目内容

The first crocodiles(鳄鱼) lived on the Earth about 240 million years ago. How much do you know about these dangerous animals? Here are some amazing facts about them.
◆ The biggest crocodile is the saltwater crocodile. It can be as long as seven metres!
◆ If you take a bright light at night over a river with crocodiles inside, you will see pairs of red spots (点). Those are the crocodiles’ eyes. They can see well at night.
◆ When you see a crocodile with its mouth open, don’t be scared. That just tells you it’s too hot.
◆ On the beach, crocodiles get tired very quickly, but they can stay in the water for 2-3 hours.
◆ Most crocodiles can live up to 70 years old!
小题1: When did the first crocodiles live?
A．About 2,400,000,000 years ago.B．About 240,000,000 years ago.
C．About 24,000,000 years ago. D．About 2,400,000 years ago.
小题2:The writer thinks the crocodile is 　　     .
A．lovelyB．dangerous
C．funD．cool
小题3: What’s the meaning of the underlined word “scared”?
A．Happy. B．Sad.
C．Comfortable.D．Afraid.
小题4: Which of the following is right?
A．Crocodiles often open their mouths when it’s hot.
B．Crocodiles can stay on the beach for 2-3 hours.
C．All the crocodiles can live up to 70 years old.
D．The writer talks about four facts about crocodiles.

小题1:B
小题2:B
小题3:D
小题4:A

试题分析：本文叙述了鳄鱼在2.4亿年前就生活在地球上，最大的鳄鱼是盐水里的鳄鱼，长达7米，晚上鳄鱼的视力也很好。当鳄鱼感到热的时候，它就会张着嘴。它的寿命一般能达到70年。
小题1:细节理解题。根据The first crocodiles(鳄鱼) lived on the Earth about 240 million years ago.鳄鱼在240，000，000年前生活在地球上，故选B。
小题2:细节理解题。根据How much do you know about these dangerous animals? 可知作者认为鳄鱼是危险的动物，故选B。
小题3:词义猜测题。根据When you see a crocodile with its mouth open可推知这里可能误认为鳄鱼要吃人，所以人们都会感到害怕，故选D。
小题4:细节理解题。根据When you see a crocodile with its mouth open，That just tells you it’s too hot.可知鳄鱼热的时候就张着嘴，故选A。
练习册系列答案
相关题目
Once， a king showed two men a large basket in the garden. He told them to fill it with water from a well. After they ____ their work， he left them， saying， “When the sun is down， I will come and see your work.”
At last one of them said， “What’s the use of doing this foolish work? We can ___ fill the basket.” ____ man answered， “That is none of your business.” The first man said. “You may do as you like， but I am not going to work at ____ so foolishly.” He ____ his bucket(圆桶) and went away. The other man said no word， and kept on carrying ____. At last the well was almost ____.
As he poured the last bucket of water into the basket， he saw a bright thing in it. He ______. It was a beautiful gold ring. Just then the king came. ____ he saw the ring， he knew that he had found the kind of man he wanted. He told him to keep the ring for himself. “You ___ so well in this little thing，” he said， “ What now I know I can believe you with many things.”
小题1:
A．finished B．did C．began D．had
小题2:
A．neverB．also C．hardD．always
小题3:
A．The other B．AnotherC．One D．A second
小题4:
A．anything B．something C．nothingD．everything
小题5:
A．picked upB．put away C．took awayD．threw away
小题6:
A．water B．basket C．wellD．work
小题7:
A．full B．empty C．filled D．clean
小题8:
A．put it up B．looked it up C．picked it up D．gave it up
小题9:
A．While B．As soon asC．BeforeD．Since
小题10:
A．have doneB．will doC．doD．are doing
Some of the greatest problems we face today are the destruction (破坏)  of our environment. Brown clouds, polluted water，endangered wild animals…. these problems seem so huge.
So my family does what we can. We take cloth bags to stores instead of using plastic bags. We walk where we don't have to drive…
But does it do any good? When I am the only one in line at the market with cloth bags, am I doing any good? Does my walking to stores make any real difference to the world?
I recently learned something about flamingos(火烈鸟) which like to get together in groups of a thousand or more. Every year, when the time comes for migration(迁徙)，a few of them first take off from the lake.  But none of the others seem to notice. So the small group returns. However, the next day they try again. This time a few more fly along with them, but most of them still pay no attention, so they return again. They try for several times. Every time a few more birds join in but, since thousands of the others still take no notice, the great migration plan is once more stopped.
Then one day something changes. The same small group of birds once again starts flying and a small number more join in just as before. then more. Finally, they all take flight and the migration really begins.     What a spectacular sight it must be — thousands of flamingos taking off into the sky at once !
A few can make a difference. Even if you're the one to take the first step, and continue trying, others will someday take notice and together we will solve even our greatest problems.
小题1:Where would you most probably read this passage?
A．A guidebook.B．A movie poster.
C．A personal blog (博客).D．A geology (地质) magazine.
小题2:What does the underlined word "spectacular" in Paragraph 5 probably mean?
A．frustrating.B．surprised.
C．terrible.D．fantastic.
小题3:Which of the following is TRUE according to the passage?
A． Even if we can walk there , we still drive over.
B． Flamingos like to get together in groups of a thousand or more.
C． Brown clouds and polluted water are the only problems we face today.
D． When a few of the flamingos first take off from the lake, all the others follow at once.
小题4:What's the writer's purpose of writing this article?
A．To show that the writer loves to see the migration of flamingos.
B．To tell readers to continue trying and it can make a difference.
C．To introduce a special kind of flamingo to readers.
D．To show that there're many problems in the world.
In China, traffic keeps to the right. Cars, trucks, buses      bikes must all keep to the right side of the    . In most other countries, traffic      to the left.
How can you      the roads safer?
     you cross the road, stop and look each side.    left, then right, and then look left again. Don’t cross the road if you are not sure whether the road is clear or not. Don’t      across the road.    is dangerous.
If you      small children, old people, or blind people walking across the road, help     cross the road in safety. Helping others is a kind of virtue (美德).
小题1:
A．orB．andC．butD．while
小题2:
A．roadB．riverC．bridgeD．city
小题3:
A．goB．comingC．leaveD．keeps
小题4:
A．makeB．knowC．guessD．see
小题5:
A．OftenB．BeforeC．DuringD．As
小题6:
A．LookB．TurnC．WalkD．Across
小题7:
A．runB．jumpC．smileD．walk
小题8:
A．ThereB．ItC．ThisD．Here
小题9:
A．watchB．lookC．readD．see
小题10:
A．herB．himC．themD．they
B
People use their mouths for many things. They eat, talk, shout and sing. They smile and they kiss. In the English language, there are many meanings using the word “mouth”. But some of them are not so nice.
For example, if you say bad things about a person, the person might protest (抗议) and say “Do not bad mouth me.”
Sometimes, people say something to a friend or family member that they later regret(后悔) because it hurts that person’s feelings. Or they tell the person something they were not supposed to tell. The speaker might say, “I really put my foot in my mouth this time.” In other words, he might feel sad for saying the wrong thing.
Sometimes when one person is speaking, he says the same thing that his friend is going to say. When this happens, the friend might say, “You took the words right out of my mouth!”
Some people have lots of money because they were born into a very rich family. There is an expression for this, too. You might say such a person “was born with a silver spoon in his mouth”.
This rich person is the opposite of a person who lives “from hand to mouth”. This person is very poor and only has enough money for the most important things in life, like food.
小题1:“I really put my foot in my mouth this time” means _________.
A．I regretted I had done the thing B．I really did this
C．I have never done this thing D．I want to do this thing
小题2:When your friend took the words right out of your mouth, you can say “_________”.
A．You are cleverB．I am very lucky
C．We have the same ideaD．I am very angry
小题3:If a person lives from hand to mouth, he must be very _________.
A．richB．poorC．happyD．sad
小题4:The passage mainly tells us _________.
A．everyone in England has the same mouth
B．people use their mouths to eat, talk, shout and sing
C．rich persons’ mouths are quite different with the poor persons’
D．the word “mouth” has many different meanings in the English language
Would you like to have an electric car? We will see this kind of cars soon in America. These quiet, clean cars run on electricity. Carmakers will start selling electric cars in 2011.
The world’s population will jump from 6.8 billion to 9 billion by 2050. The need for cars will jump with it. But the oil(石油) won’t keep up with the number of cars on the road. So the price of oil will go up.
Electric cars aren’t perfect just yet. It can take eight hours to charge(充电) a car for only 100 miles of driving. And the distance(路程) that cars can go depends on driving conditions(条件). How far it travels depends on the weather and traffic.
Price is a problem, too. Electric models cost much more than oil-powered cars. The good news is that electric-car technology is getting better. As it does, the prices of this kind of cars are dropping.
To charge the car, the US Department of Energy is paying for at least 10,000 charging stations around the country. Private businesses are also getting ready for it. It will cost about $3 for each charge.
Carmakers are coming up with other ways to make the car cleaner and cheaper. Cars may run on clean diesel(柴油). So who knows what will power the car you may be driving in 10 years? The chances are that it will be something that’s clean and easy.
小题1:The electric cars are ________.
A. large and noisy
B. large and quiet
C. clean and quiet
小题2:Paragraph Two mainly tells us the reason why ________.
A. electric cars appear    
B. the population is growing   
C. the oil price goes up
小题3:How far the electric car travels depends on the ________.
A. water and weather           
B. weather and traffic     
C. drivers and oil
小题4:Why aren’t the electric cars perfect?
A. The cars don’t look nice and they’re slow.
B. The cars can’t be driven fast and they’re dangerous.
C. The cars take a long time to be charged and they cost too much.
小题5:From the passage we know that ________________.
A. electric cars will be more expensive
B. nobody knows what will power the cars in 10 years
C. electric cars will be used by most people in 10 years
It’s necessary to discover what you are good at or not and what you like or dislike.
Many students would be unhappy if they f________小题1: in a very difficult physics course, but in fact they have known a lot about t_________小题2: They realize that they should not become engineers or p___________小题3:scientists in the future. So falling can help a student to live a happier life if he or she draws something out of it. They may then decide on their aim and c__________小题4: the kind of work that they would be fit for and they would like to do.
You can’t be sure whether you like something u_________小题5: you have tried it. If you make a d_________小题6: that you would like to play the violin, you need to take more music classes b________小题7:you know if you are really interested in it.
It is not e________小题8: to hope to be a violinist. You also have to stand the hard practice before you become one. If you would enjoy being a great violinist, but hate the hard and b_________小题9: work, just give it up.
It’s a good plan to try as many ideas as possible when you are still young. And then you will be able to find o_________小题10: what your true interests are.
Since January 2013, many cities in China have seen a lot of foggy days. In Beijing, only five days in January were free of smog (雾霾). What’s the difference between fog and smog?
According to scientists, fog is made up of tiny (微小的) drops of water and also ice particles (颗粒) during very cold conditions. Smog is dirty air that looks like a mixture of smoke and fog, caused mainly by smoke from cars and factories in cities.
An official for the Ministry of Environmental Protection told Beijing News that PM2.5 pollution is the main problem with air pollution. PM 2.5 refers to pollution with small particles 2.5 micrometers or less in diameter (直径).
According to the Chinese Academy of Sciences, two main factors that cause PM 2.5 are motor vehicles and the burning of coal.
Poor air has done harm to people’s health. Children and the elderly are more at risk. A report from Beijing Children’s Hospital shows that from January 5 to January 11, 2013, half of the patients in the hospital came for respiratory (呼吸道的) problems.
To respond to the air problem, the Chinese government and many Chinese people have started to take action.
Beijing announced a plan to use clean fuel in government vehicles and plant trees. It asked citizens to set off fewer fireworks for the Spring Festival celebration. They suggested that cars with large emissions (排放) should be banned and factories should be closely watched.
Three students from No. 4 High School in Beijing wrote a report to advise to fight the air pollution. “We hope more people will join us to protect our environment. With all our efforts, the blue skies will certainly return soon,” said Shi Yucong, 15, one of the three students.
小题1:The underlined phrase “were free of” means ____________.
A．had someB．had manyC．had noD．had more and more
小题2:According to the second paragraph, we can know ____________.
A．smog is a mixture of fog and smoke
B．smog is formed (形成) during cold hours
C．fog is made up of drops of water with smoke
D．smoke from cars and factories cause fog
小题3:Paragraphs 3 and 4 are mainly about ____________.
A．what PM 2.5 is and what causes PM 2.5
B．how to prevent PM 2.5 pollution and how PM 2.5 looks
C．what PM 2.5 is and how to protect ourselves against PM 2.5
D．how seriously PM 2.5 affects us and how to deal with PM 2.5
小题4:What is the best title for the passage?
A．A report about air pollutionB．Let’s fight the air pollution
C．Dirty air is bad for usD．The air in Beijing
Everyone has got two personalities（个性）—the one that is shown to the world and the other is hidden and real. You don’t show your hidden personality when you are awake because you are clear what to do and what not to do, but when you are asleep, your sleep position shows the real you. On a usual night, of course, people change their positions from time to time. The important position is the one that you go to sleep in.
If you go to sleep on your back, you are a very open person. You usually believe people and you are easy to accept new lifestyle or new ideas. You don’t like to ask for help from others. You don’t like to trouble people, either. So you never express your real feeling. You are quite a shy person and you aren’t very confident.
If you sleep on your stomach, you are rather a person who is not known well to others. You worry a lot and always easily get upset. You don’t pay attention to your job. You are always stubborn（倔强的）. You usually live for today not tomorrow. This means you enjoy having a good time.
If you sleep curling up（蜷缩） your body, you are probably a very nervous person, but you are very kind and patient. You are shy and don’t usually like meeting people. You prefer to be on your own. You are easily hurt.
If you sleep on your side, you have usually got a well-balanced personality. You know your strength and weakness. You are usually careful. You have a confident personality. You sometimes feel anxious, but you don’t often feel sad. You always say what you think even if it makes people upset.
阅读短文，然后完成下面的表格。
sleep positions
personalities
likes
dislikes
on your back
open, shy, not confident
to believe people,
小题1: ___________ or new ideas
to ask for help
to trouble people
小题2:___________
stubborn
小题3:. _____________,
to get upset easily
to pay attention to your job
curling up your body
小题4: _______________     
to be on your own
to meet people
on your side
well-balanced, careful, confident
to feel anxious
小题5:.______      

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网