摘要:行为动词型: (1)肯定式:行为动词的过去式.如: I watched TV yesterday evening. 昨晚我看电视了. (2)否定式:didn’t + 行为动词原形.如: I didn’t watch TV yesterday evening. 昨晚我没看电视. (3)疑问式:在句首加Did.其后的行为动词用原形.如: Did you watch TV yesterday evening? 你昨晚看电视了吗?

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  Since 1850.the temperature of Earth's surface has increased about 0.6℃.Scientists predict it may warm much more by the end of this century.Who's turning up the heat? Well, it seems that we are! Some of this global warming may be natural.However,nearly all scientists now agree that most of it is due to peoples actions.Over the past 150 years, we've added huge amounts of certain gases, especially carbon dioxide(CO2)to the air.These gases can keep heat near Earth's surface,so more carbon dioxide means more heat is kept near Earth's surface.Global warming may change the weather in ways that lead to more severe storms,floods and droughts.

  We add carbon dioxide to the air when we burn things, especially fossil fuels.Fossil fuels are energy sources formed from the remains of plants and animals that lived millions of years ago.Coal,oil,and natural gas are all fossil fuels.People in the United States and other countries started bunting large amounts of fossil fuels more than a century ago.The amount d fossil fuels being burned each year has been increasing worldwide.The more we burn,________.

  What can we do to help? Nowadays to live a low-carbon life is quite popular in the world.Low-carbon means to reduce the amount of carbon dioxide.Saving energy and reusing are the key words.In fact, even the simplest everyday activities can make our lives low-carbon.

根据短文内容,回答下列问题。

1.What problem can global warming cause? ________

2.What are fossil fuels? ________

3.请将第一段中的画线句子翻译成汉语。 ________

4.请根据第二段内容,将最后一个句子补充完整。

The more we bum,________.

5.请写出日常生活中的一种“低碳”行为(用英语写一个句子)。________

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用所给动词的正确形式完成短文,并将答案依次填在短文后面相应的横线上。   

Once upon a time, there was a rich man. Each morning, the rich man found a poor man 76  (sit) on a bench in the park. The poor man always sat there, looking at the big hotel in which the rich man lived. One day, the rich man  77 (get)out of his car and said to the poor man, “Excuse me. I want  78  (know) why you sit here and look at my hotel every morning.” “Sir ,” said the poor man, “I am a failure. I 79  (have) no money, no family and no home. I sleep on this bench, and every night I dream that one day I will sleep in that hotel.” The rich man said, “Tonight your dream    80  (come) true. I’ll pay for the best room in that hotel for you a whole month.”  

A few days later, the rich man went into the poor man’s room to ask him how he 81 (feel) in it. To his surprise, he found that the man 82  (move) out of the hotel back to his bench. When the rich man asked why, he said, “You see, while I  83 (sleep)on my bench, I dream I am there in the big hotel. It’s a wonderful dream. But while I 84 (be) there, I dreamed I was back to this cold bench. It was a terrible dream , and I 85  (can not)get any sleep at all.”  

   

1.__________ 2.___________  3.____________  4.___________ 5.____________  

   

6.__________ 7.___________  8.____________  9.___________ 10.____________  

 

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