Elephants can be used to do some heavy jobs because______. ______can be trained to work for us.

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问题 Elephants can be used to do some heavy jobs because______.
______can be trained to work for us.

选项 A、Only a few animals
B、Quite a few animals
C、Few animal

答案B

解析 题干的意思是什么可以通过训练为我们工作。A的意思是只有少数动物,B的意思是一些动物,C的意思是几乎没有动物,是否定意义。我们可以从原文中找到相关的内容"The scientists say that many different animals maybe taught to do a number of simple jobs if they know they will get something to eat in return.”。同时正确理解quite a few也是关键点。故正确答案为B。
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