3.Torn, look at your bedroom.  It's really a ______(臟亂）！

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

A. control B. escape

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 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 (全球變暖)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 (乳品業(yè))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 (草藥)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.


根據(jù)短文內(nèi)容，選擇正確答案。

(   ) 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.氣體

B.生物氣體

C.污氣

D.能量

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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

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(   ) 3. ―Jerry，don't play computer games any   more.    You're ______your time.

         —Sorry, Mom. I won't do it again.
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A ：Oh, Jim, you look pale. 1

B ：My chest hurts and it is difficult for me to breathe.

 A: 2 

B ：Two days.

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A ：What caused your chest hurt? 

B ：I think it might be the terrible gas from the chemical factory. 

A: 4

B ：I'm afraid I'll miss the lessons.

A ：Don't worry. Take good care of yourself. 5 

B ：Thank you very much.


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B.I can help you with your lessons.

C.I don't know what's wrong.

D.How long have you been like this?

E.Did you go to see a doctor?

F.I think you'd better ask for a leave and have a rest.

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1._______2._______3._______

4._______ 5_______.

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(   ) 1. How time flies ！ Three years ________since we came back from England.

 A. have    passed         . B. has    passed

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5. 有人把窗戶遮住了，所以不可能看見里面。

Someone has covered the windows______ ______ it was not possible to see inside.

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

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4. 昨天我沒有通過考試。真丟人�。�

I failed  the  exam yesterday. ______ ______ ______！

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