Question

阅读理解

Millions of years ago dinosaurs (恐龙)lived on the earth. In the days of dinosaurs the whole earth was warm and wet. There were green forests and they could find enough to eat. Later, parts of the earth became cold and dry, and the forests there died. Then dinosaurs could not find enough to eat. This must be one reason why dinosaurs died out.

  We can guess another reason. New kinds of animals came on the earth. Some had big brains and were fast and strong. They could kill dinosaurs.

  There may be other reasons that we don’t know about yet. Scientists are trying to make more discoveries about dinosaurs.

  Dinosaurs were of many sizes and shapes(形状)。Some were as small as chickens, while some were about 90 feet long.

  There were also terrible fights between dinosaurs. They might have happened more than 100 million years ago. Though there was no man to see any of the fights, we can be told by the animal’s footprints(足迹)that fight did take place.

1．According to the passage, dinosaurs did exist (存在) only　　   on the earth.

A. for millions of years

B. millions of years ago

C. more than 100 million years ago

D. when it was warm and wet somewhere

2．One reason why dinosaurs died out is that　　   .

A. there were too many dinosaurs

B. parts of the earth became cold and dry

C. the dead forests there could not supply them with enough food

D. they couldn’t find enough to eat

3．One more reason may be that　　   .

A. new kinds of animals came on the earth

B. some fast and strong animals with big brains could kill them

C. some dinosaurs were as small as chickens

D. some big dinosaurs died in the fights

4．We can see from this passage　　   .

A. scientists are trying to make some dinosaurs

B. dinosaurs are dangerous enough

C. dinosaurs are worth studying

D. scientists know nothing about dinosaurs

5．That terrible fights can be explained by　　   .

A. footprints of the animals

B. imagination (想象)

C. rocks and forests

D. dinosaur’s eggs

 

Answer 1

答案：B;D;B;C;A
解析：

1、Millions of years ago dinosaurs (恐龙)lived on the earth.根据这句可知，本题选B。 2、该题为语篇理解题。通过理解Later, parts of the earth became cold and dry and the forests there died. Then dinosaurs could not find enough to eat. This must be one reason why dinosaurs died out.可看出没有足够的东西可吃是恐龙绝种的原因。 3、根据第二段可知，本题选B。 4、该题为推理判断题。从文中There may be other reasons that we don’t know about yet. Scientists are trying to make more discoveries about dinosaurs来分析推理，恐龙还有待于进一步研究而且也值得研究。 5、该题为句义理解题。从Though there was no man to see any of the fights, we can be told by the animal’s footprints that fight did take place.可看出该题答案。

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