A good memory is a great help in learning a language. Everybody learns his mother language when he is a small child. 1)He hears the sounds,① ______them and then he learns to_____. Some children are living with their parents in foreign countries. ②They can learn two languages as easily as one because they hear, remember and speak two languages every day. In school it is not so easy to learn a foreign language because the pupils have so little time for it, and they are busy with other subjects, too. But your memory will become better and better when you do more and more exercises..

小题1:在①处填入适当的词 ____________  _____________

小题2:将②句划线部分译成中文.

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小题3:回答问题：How do you improve your memory?

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小题4:在文中找出同意句：

A foreign language is hard for the pupils to learn because they almost have no time at school.

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小题5:找出或写出本文的中心句.

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液压传动是把液压系统中的液体压力转换成（）。

A.电能

B.势能

C.机械能

D.动能