| Can animals be made to work for us
Some scientists think that one day animals may be trained to do a number of
simple jobs that are now done by human beings. They point out that at a circus, for example, we may see elephants, monkeys, dogs and other animals doing quite skillful things. Perhaps you have seen them on the television or in a film. If you watch closely, you may notice that the trainer always gives the animal a piece of candy or a piece of fruit as a reward. The scientists say that many different animals may be trained to do a number of simple jobs if they know they will get a reward for doing them. Of course, as we know, dogs can be used to guard a house, and soldiers in both old and modem times have used geese to give warning by making a lot of noise when a stranger or an enemy comes near. But it may be possible A. Animals are very skillful at a circus. B. They are big and strong. C. Some animals arc as clever as human beings. D. Animals can be trained because they like to get something as a reward. [单项选择]Why does Tom do yard work
A. To earn money for school. B. To keep his family’s yard looking nice. C. To be able to work outdoors. D. To get exercise while working. [单项选择]How many hours does his father work on Saturdays
A. Five hours. B. Six hours. C. Seven hours. D. Two hours. [填空题]Tom spent 4 hours buying New Year gilts.→It（）Tom 4 hours buying New Year gifts.
[单项选择]If Tom wants to make ten or more people redundant, he must
A. give less than 90 days’ advance notice to the trade union. B. give written notice to the individuals and the union. C. consult with the union. [单项选择]How many hours does the woman work every day except the break
A. Seven hours. B. Eight hours. C. Nine hours. D. Six hours. 我来回答: 提交
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