题目
题型：不详难度：来源：
Many animals try to look bigger than they are to stay alive. Some animals can make other animals think they are very big. If they look very big, animals that are looking for food will run away. Bears can walk on two legs. They look very, very scary(可怕的). Some animals will run away from them.
Many animals try to stay around other animals. This helps them stay alive. Zebras stay close together so that they can help each other look out of danger. Seeing many stripes(条纹) at once can also confuse(使混乱) animals that want to eat them. Some birds stay in a circle, each toward a different direction. In this way they can also help each other stay alive by looking around for animals that may want to eat one of them.
小题1:Animals have ways to stay alive. Which animal try to look bigger than they are to stay alive in the passage?
| A．Zebras. | B．Chameleons. | C．Birds. | D．Bears. |
| A．Because they like to play hide-and-seek. |
| B．Because they are shy. |
| C．Because they want to catch other. |
| D．Because they want to protect themselves. |
| A．They change colors. | B．They change shapes. |
| C．They hide in snow. | D．They hide in leaves. |
| A．Become good friends. | B．Talk to each other. |
| C．Help each other look out for danger. | D．Eat and play together. |
| A．They want other animals to run away from them. |
| B．They want other animals to follow them. |
| C．They want other animals to see them. |
| D．They want other animals to like them. |
答案
小题1:D
小题2:D
小题3:A
小题4:C
小题5:A
解析
试题分析：本文叙述了一些动物为了生存而采取隐身来保护自己，有的动物用改变颜色来保护自己，无论动物是用的什么方法都是为了逃避敌人的攻击。
小题1:细节理解题。根据If they look very big, animals that are looking for food will run away. Bears can walk on two legs. They look very, very scary(可怕的). Some animals will run away from them.熊是看起来很大，让其他的动物感到害怕，故选D。
小题2:细节理解题。根据Usually their colors or shapes(形状) help protect them. 动物是为了保护自己，故选D。
小题3:细节理解题。根据Chameleons(变色龙) can hide by changing colors.变色龙通过改变身体的颜色来保护自己，故选A。
小题4:细节理解题。根据Zebras stay close together so that they can help each other look out of danger. 斑马彼此来帮助警惕危险，故选C。
小题5:细节理解题。根据They look very, very scary(可怕的). Some animals will run away from them.看起来动物很大，就有可能吓跑其他的动物，故选A。
核心考点
试题【Many animals hide(躲藏) to stay alive. They hide in many ways. Some animals hide i】；主要考察你对科普环保类等知识点的理解。[详细]
举一反三
On Earth Day , some people listen to speeches about the environment . Others help clean up their offices or save water and electricity at home .Your parents may even decide to take a day off from driving their cars .
The idea for Earth Day came from a U.S. Senator(参议员) . He was worried about pollution and the health of plants and animals . And the idea quickly caught on (流行起来) . In 1970 , the first Earth Day was celebrated . More than 20 million people in cities all over the U.S. took part in it .Since then, Earth Day has been used to educate people about their roles in taking care of our planet .
Now , Earth Day has become a worldwide celebration. In 1990, two hundred million people from 140 countries took part in clean-ups , tree planting and other environmental events on Earth Day .
小题1:Earth Day is a special day to learn about our planet and .
| A．how to pay attention to the earth |
| B．how to learn English |
| C．how to go to the moon |
| D．how to make use of time |
| A．go shopping |
| B．save water and electricity at home |
| C．listen to music |
| D．drive our cars |
| A．farmer | B．teacher | C．scientist | D．senator |
A. 1990, the U.S.A. B. 1970, Beijing
C. 1970, America D. 1990, America
小题5:Why has Earth Day become a worldwide celebration ? Because __________.
| A．Earth Day is on Sundays . |
| B．we can sing songs on Earth Day |
| C．there are so many people on Earth Day |
| D．Earth Day can teach people how to take care of our planet |
The corner started last year. At first, there were only__ students because many were ____to speak English. After several weeks, more and more students came here. At first, some students just _____to the other students. I was one of them. I was afraid to speak English. I thought someone would ______me, but I wanted to speak. I always spoke English in my heart. My teacher went on saying, “Don’t be afraid. Open your mouth.” I tried and tried to open my mouth. At last, I said, “Hello!” to the teacher. The teacher was very ____. She said “Hello!” to me at once. From ___on, I began to speak English. I work hard at English and I try my best _more. I learn __my teacher and my classmates at the corner. Now I can speak a little English. Every Sunday morning, I come to the corner ___.
It’s a good ___ to speak English. Please join us.
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If you look at the sky one night and see something moving and shining that you have never seen before, it might be a comet (彗星).
A comet sometimes looks like a star. ____小题1:____ It shines from the sunlight it reflects (反射). Like the earth, a comet goes round the sun, but on a much longer path (轨道) than the earth travels.
If a comet isn’t a star, what is it then?
Some scientists think that a large part of a comet is water frozen into pieces of ice and mixed with iron and rock dust and perhaps a few big pieces of rock. ____小题2:______ These clouds, together with the dust, form a long tail.
Many people perhaps have seen a comet. _____小题3:_____ .There may be millions of comets, but only a few come close enough for us to see.
An Englishman named Edmund Halley, who lived from 1656 to 1742, found out a lot about the paths that comets take through the sky. ______小题4:____ . Others keep coming back at regular times. A big comet that keeps coming back was named after Halley because he was the one who worked out when it would come back again. Maybe you have ever seen Halley’s Comets because the last time it came close to the sun and the earth was in the year 1986. Then people all over the world were outside at night to look at it. You will probably be able to see Halley’s Comets when it comes near the earth again.
| A. However no one knows how many comets there are. B. Some comets move out of our sight and never come C. Like a planet, a comet has no light of its own. D. When sunshine melts (融化) the ice in the comet, great clouds of gas go trailing after it. |
| A．A large part of a comet is ice, iron and rock dust |
| B．Some comets keep coming back at any time |
| C．Halley’s Comets came back in 1986 |
| D．Maybe many people have seen a comet |
What is more, Wikipedia includes articles written in about 235 languages. This fact makes it one of the few websites (网站)on the internet that are truly international. It was started in 2001 by Larry Sanger and Jimmy Wales, as a free online English-language encyclopedia project. By April 2008, over 10 million articles had been put on Wikipedia. A quarter of the articles are in English. Wikipedia is also a place where people can find the latest news.
However, Wikipedia has its own problems. There have been many complaints that some of the information on Wikipedia is not accurate（准确的）and some important subjects are not included. This has led to arguments between the writers of articles. The people running Wikipedia say that the accuracy of the information is improving and that it is one of the top 20 visited websites on the internet.
So, if you are looking for some information, why not try Wikipedia?
小题1:Wikipedia is ___________.
| A．a computer game | B．an online magazine |
| C．a free university | D．a website encyclopedia |
| A．know much about a certain subject |
| B．likes writing different stories |
| C．should be university professors |
| D．are usually famous scientists |
| A．everything is written in English |
| B．the articles are in about 235 language |
| C．there are over 10 million articles |
| D．each writer can write in Various languages |
| A．watch interesting movies | B．send e-mail to friends |
| C．read about the latest news | D．play exciting games |
One group held a special event to display（展示）new kinds of cars .
The new cars are different and they can run on many different kinds of fuels .
Some of these cars are called hybrids(混合动力). They can run on different kinds of fuels . One kind of them runs on a special fuel cell which is filled with a gas called hydrogen(氢气). ___小题1:___ They are very clean , and don’t give off bad fumes(烟雾) when they run .
The man who makes fuel cell cars is excited about the technology .__ 小题2:___ Once we use oil up , it will take millions of years for more oil to form. Since gasoline is made from oil , that could be a problem for companies that make traditional cars , and for drives . __小题3:__
Buses that run on hydrogen fuel cell power are being tested on the road . They could become a common form of transportation in the near future
| A. The fuel cell cars are also better in another way . B. However, it won’t be a problem for cars that run on fuel cells .. C. He says we will never run out the fuel, but we may run out of oil. |
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