完形填空 阅读短文，从每题所给选项中选出最佳选项（共15分；每空1分） Who Is Cleverer, the Son or the Father? Mr Clarke works in a middle school. He likes reading and oftensome books from the library. He enjoysto the radio every morning and readingafter supper. So he knows much and teaches well. Hisworship (崇拜) him very much. Mike, Mr Clarke’s little son, is only nine. Helikes reading books. And he often asks his father some questions. Mr Clarke always thinks he’s tooto understand him and chooses（挑选） the easiest ones .Of course the boy is not happy with it. One day Mike readsabout the electric lights (电灯) and isin it. When his father tells him to do some housework, he is thinking of it. He asks himquestions, and his father answers all. Then his father says proudly (自豪地), “Fathers always know more than sons!” The boy thinksa while (一会儿) and says,“!” “Oh? Why?” Mike doesn’t answerasks instead (反而), “Who invents（发明） the electric lights?” “”answers Mr Clarke. “Why doesn’t his father invent them, then?” Looking at his son, Mr Clarke doesn’t knowto answer!