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新疆柯坪县柯坪湖州国庆中学2021-2022学年高一下学期3月月考试题(英语)
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A

Millions of years ago dinosaurs 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 dont know about yet.Scientists are trying to make more discoveries about dinosaurs.

Dinosaurs were of many sizes and shapes.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 explained by the animals footprints(足迹)that fight did take place.

1. According to the passage,dinosaurs did exist 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 warm and wet

C.there were many green forests                 D.they couldn’t find enough to eat

3.Those terrible fights can be explained by__________.

A.footprints of the animals                           B.imagination

C.rocks and forests                                 D.dinosaurs eggs

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