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1.When an animal becomes extinct(灭绝),we will never see it again,except for some bones(骨头) in the ground.How sad!People are cutting down large forests in Europe,Asia and other parts of the world.This destroys homes of many wild animals.For example,some monkeys and apes(猿)eat the fruit and leaves in the tall trees.People cut down all the tall trees,leaving only the short ones.If the monkeys and apes don't have food,they will die.With more and more people on Earth,there is less room for other animals like bears and wolves.
   Some animals are dying off because people hunt(猎杀)them for food.Some people shoot tigers,lions and other animals for fur to make money.They kill elephants for their teeth,and also force some of them to drag(拉)heavy machines to help them cut down trees.Tourists can hurt animals,too.Turtles lay their eggs on beaches in countries such as Greece,but they can't do this when tourists are on the beach.
  Pollution(污染)is another killer.Some factories pour dirty water into rivers,and then many fish get sick and die.And one day,the Arctic (北极) night melt because of global warming(温室效应).Then where will polar bears live?

分析 这篇文章告诉我们动物濒临灭绝的原因,一是因为人们砍伐了大片的森林,动物失去了家园;二是因为人们猎杀动物作为食物,污染是动物灭绝的另一个杀手.

解答 66.答案:Why do animals become extinct…主旨大意题,根据文章第一段提出问题Why do animals become extinct?以及下文围绕三个方面(1)People are cutting down large forests in Europe,Asia and other parts of the world.This destroys homes of many wild animals.(2)Some animals are dying off because people hunt(猎杀)them for food.(3)Pollution(污染)is another killer.进行阐述可知,故填:Why do animals become extinct?
67.答案:homes 细节理解题,根据 People are cutting down large forests in Europe,Asia and other parts of the world.This destroys homes of many wild animals.可知:人们砍伐大片森林,破坏了许多野生动物的家园.故填:homes.
68.答案:food 细节理解题,根据 Some animals are dying off because people hunt(猎杀)them for food.Some people shoot tigers,lions and other animals for fur to make money.可知:人们捕杀动物来获取食物,皮毛和牙齿.故填:food.
69.答案:Pollution.细节理解题,根据Pollution(污染)is another killer.可知:污染是另一个杀手,故填:Pollution.
70.答案:We should protect the animals.…推理判断题,根据文章开头When an animal becomes extinct(灭绝),we will never see it again,except for some bones(骨头) in the ground.可知:当一种动物灭绝时,除了地上的一些骨头,我们将永远不会再看到它.结合下文Why do animals become extinct?介绍了动物灭绝的原因,可知这是人类行为造成的.由此可以推断出:我们应该保护动物.故填:We should protect the animals.

点评 首先通读全文,了解文章大意,然后弄清题干意思,对照短文信息确定正确答案.

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