―What did you say at the meeting? -I had to say .so I didn't say A.anything;something B.something;anything C . nothing ; anything D. anything;nothing 题目和参考答案——青夏教育精英家教网—

题目内容

( ) 1. ―What did you say at the meeting?

—I had to say ，so I didn't say____

A.anything;something

B.something;anything

C . nothing ; anything

D. anything;nothing

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The Earth has warmed by about half a degree(0. 5^ ) over the last 100 years. It could be getting warmer on its own ， but many scientists think that people are making the Earth warmer by making a greenhouse effect. The greenhouse effect is important. Without it,the Earth would not be warm enough for us to live on. But just a little warmer than it is now could cause problems for humans ， plants and animals.

Many of the things we do every day can change the Earth's temperature by sending greenhouse gases into the air. We send greenhouse gases into the air when we watch TV ， turn on lights ， dry hair ， play video games ， wash or dry our clothes or drive cars. The rubbish ( waste ) from factories and homes also produces greenhouse gases.

Even a small change in temperature can affect our weather. This can cause changes in the sea levels, the air,flooding, and our fresh water.

The change in the temperature can also cause changes in the living places for animals and plants, endangering many animals.

Global warming (全球变暖)is a big problem, and every little bit we do can help. We can save electricity. We can save energy in other ways such as by taking buses or walking rather than driving cars. We can recycle to reduce the rubbish and save natural resources such as trees, oil and metals. We can buy products that don't do bad to the environment and we can turn to 、solar energy. Remember the little bit that you do will bring a better world.

根据短文内容，选择最佳答案。

( ) 1. Without the greenhouse effect ， we would _______

A. not be able to live

B. be safer

C. have a cleaner earth

D. have a better world

( ) 2. Which of the following does not send greenhouse gases into the air?

A. Turning on a light.

B. Walking to school.

C. Driving a car.

D. Watching TV.

( ) 3. The writer gives us advice on how to save energy in

A. Paragraph 2

B. Paragraph 3

C. Paragraph 4

D. Paragraph 5

( ) 4. Global warming is a big problem but

A. we can't do anything to help

B. we don't need to do anything

C. we can do something to help

D. we can do something to stop it

( ) 5. In this passage, the scientists are mainly trying to make the readers
realize

A. the earth could be getting warmer by itself

B. the earth is getting warmer in 100 years

C. the greenhouse effect is important

D. humans are making the earth warmer

( ) 6. Everyone should obey the traffic rules and try to____ traffic accidents.

A. control B. escape

C. fight D. avoid

People drive their vehicles through lovely cows ，which is a traditional Indian sight. However, India's cows are not very lovely.

In India ， there are nearly 485 million animals ， and half of them are cows. Cows work much more to global warming (全球变暖)than vehicles. Why? Because they produce a great number of CH4—a greenhouse gas,and it causes 20 times more heat than C02. But can Indians kill cows to solve the problem? Certainly not. As the world's largest producer of milk,India will still have to increase the dairy (乳品业)production to keep up with its growing population. So cows play an important role in the life.

Scientists are designing diets to help cows eat better. In this way ， they will make unpleasant gas less. But most Indian farmers can only afford to buy poor food for their cows. So many farmers adding herbs (草药)to the food now. The herbs are cheap and they can produce less CH4. And the cows don't seem to mind the taste.

Besides, quite a few projects are going on. One of them is biogas production — cows' waste is used as energy in kitchens and vehicles. It helps stop global warming.

根据短文内容，选择正确答案。

( ) 1. Why can't Indians kill cows?

A.Because cows are lovely.

B.Because cows are easy to feed.

C.Because cows are necessary in the life.

D.Because drivers had to use them.

( ) 2._____ causes more heat than C02 ，according to the passage.

A. 02 B. H2

C. CH4 D. C2

( ) 3. The underlined word " biogas" means _____in Chinese.

A.气体

B.生物气体

C.污气

D.能量

( ) 4. Which of the following sentences is TRUE?

A.India will stop feeding cows.

B.The population was getting smaller and smaller.

C.Indians will buy good food for cows.

DCows' waste is used in kitchens and vehicles.

( ) 5. The passage is mainly about_____ .

A.population

B.global warming

C.cows' waste gas

D.healthy diets

( ) 3. I found that the factory was pouring waste water_____ the river near it.

A. to B. into

C. onto D. on

2. ______(每个人)should make a contribution to protecting the environment.

1.Every morning ，Mr. Gao always goes to work early to a the rush hour (交通高峰期）.

3. 中国很多贫困地区的学校缺少教师。
Many schools in poor areas in China ______ ______ ______teachers

4. 昨天我没有通过考试。真丢人啊！

I failed the exam yesterday. ______ ______ ______！

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