12-26 23:15:52 浏览次数:630次 栏目:中考英语复习资料
Can animals be made to work for people? Some scientists think that one day animals may be trained to do a number of simple jobs i_________ (1) of people. They say that at a circus (杂技场), for e__________(2), we may see elephants, monkeys, dogs and other animals doing q ________(3) skillful things. Perhaps you have seen them on the television or in a film. If you watch closely , you may find that the trainer (驯兽员)always g ________(4) the animal some sugar o r a piece of fruit as a reward. The scientists say that many d_________ (5) animals may be trained to do a lot of simple things if they know they will get a reward f________ (6) doing that.
Of course, as we know, dogs can be trained to l__________(7) after a house, and soldiers in both old and modern t __________(8) have used geese to give warning (警报) by m _________(9) a lot of noise when an enemy comes near. And also it may be possible to train animals to work in families or f ____________ (10)。
1.______ 2.______ 3. ______ 4 .______ 5. ______ 6._______ 7.______
8. ______ 9.________ 10. _______
KEYS: 1. instead 2. example 3. quite 4.gives 5. different 6. for
7. look 8. times 9. making 10. factories
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