Once Einstein(爱因斯坦) travelled all over the United States and gave lectures(演讲) everywhere. He travelled by car and soon became friendly with the driver.
The driver a 小题1:  listened to Einstein’s lecture. The lecture had been given again and again. One day, the driver told Einstein that he knew the lecture so w小题2:  that he was s  小题3:  he could give it himself. Einstein smiled and said “Why don’t you try to give it instead?” The driver a 小题4:   .
That evening they b 小题5:  came to the lecture room. N  小题6:  there had been given seen Einstein before. Then the driver began the lecture. Sure enough, he didn’t make any mistakes. The lecture was well done. When it was over, the p 小题7:  claps lasted for a long time. When they were leaving, the driver shook hands(握手) with everybody, while Einstein was following him quietly b 小题8:  .
Just before they got to the door, a man s  小题9:   them and asked the driver a difficult question. The driver listened c 小题10:  and pointed to(指向)Einstein. “The question is so simple that even my driver can answer it. You can ask him.”