题目内容：

完形填空。

How would you use a radio or a telephone if you had no electricity or batteries? These ______ bothered(使烦恼)British inventor Trevor Baylis. So in 1996 he ______ a wind-up(装有发条的)radio. It doesn’t need electricity or batteries. You wind it up ______ hand. It plays for about an hour. Then, you wind it up ______. Today it’s made in South Africa.

Then in 1999, Baylis invented a mobile phone that is powered by ______. The shoes contain(含有)a small battery that is powered when you ______. This battery is connected to a mobile phone. These two simple inventions can bring modern ______ to all parts of the world.

Baylis doesn’t have a university degree in engineering. In ______, he left high school before graduating(毕业). He just loves ______ things to help people. He never knows ______ ideas will come to him. The idea for the mobile phone came to him in a dream.

1.A. dreams           B. problems           C. wonders         D. wishes

2.A. invented         B. improved           C. borrowed        D. copied

3.A. in               B. at                C. on               D. by

4.A. then             B. slowly            C. again            D. finally

5.A. sun              B. shoes              C. caps              D. wind

6.A. sleep          B. walk             C. rest              D. chat

7.A. communications   B. exhibitions        C. suggestions       D. instructions

8.A. fact           B. order              C. need            D. time

9.A. buying          B. selling            C. making          D. collecting

10.A. while          B. because            C. unless            D. when