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Can animals made to work for us?Some scientists think that one day animals may be taught to do a number of simple job.They say that in film or on a TV we may see elephants,or monkeys,dogs,bear or other animals to do a lot of things.If you watch careful,you may find that those animals are always give something to eat in return for do them.Of course,as well all know,dogs can be use to guard a house,and elephants can be used to do some heavily jobs.
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错误大写标出Can animals BE made to work for us?Some scientists think that one day animals may be taught to do a number of simple jobS.They say that in filmS or on a TV we may see elephants,or monkeys,...