上海中考英语首字母专项训练（二）

　　Can animals be made to work for p   1   ? Some scientists think that one day animals may be trained (训练) to do a number of simple jobs i   2     of people. They say that at a circus (杂技场),  for example,  we may see elephants,  monkeys,  dogs and other animals doing q   3     skillful (熟练的) 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   5     a piece of fruit as a reward (报酬). The scientists say that many d   6     animals many be trained to do a lot of simple things if they know they will get a reward f   7    doing that.

　　Of course，as we know, dogs can be trained to look after a house，and soldiers in both old and modern times have u    8      geese(鹅) to give warning(警报) by m  9    a lot of noise when an enemy(敌人)comes near. And also it may be possible to train animals to work in families or f  10  .

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