完形填空 How would you use a radio or a telephone if you had no electricity or batteries? This （1） bothered（使烦恼）British inventor Trevor Baylis. Then he made a wind-up（装有发条的）radio. It doesn't need （2） or batteries. You wind it up （3） hand. It plays for about an hour. Then, you wind it up again. Today it's （4） in South Africa. Then in 1999, Baylis invented a mobile phone that is powered by （5） . The shoes contain（含有）a small battery that is powered when you （6） . This battery is （7） to a mobile phone. These two simple inventions can bring modern communication to all parts of the world. Baylis didn't have a university degree in engineering. In （8） he left high school before graduating（毕业）. He just loved （9） things to help people. He never knew （10） ideas would come to him. The idea for the telephone came to him in a dream. （1）A．dreamB．problemC．wonder（2）A．electricityB．waterC．solar（3）A．inB．atC．by（4）A．makingB．makeC．made（5）A．sunB．shoesC．caps（6）A．walkingB．walkC．walks（7）A．connectedB．connectC．connecting（8）A．factB．orderC．need（9）A．buyingB．sellingC．making（10）A．whileB．becauseC．when