阅读理解. It is well known that Albert Einstein was one of the greatest scientists of all time and he was also a really great person. Here are some interesting things about him. When Einstein started to work in America, someone asked him what he needed. He said he needed a desk, some paper and a pencil. He also asked for a big waste-paper basket to hold all of his mistakes. This shows that he knew even the cleverest man in the world can only learn by making mistakes. Einstein regarded time as very important. He never wore socks and he thought putting on socks was a waste of time as people already wore shoes. He also thought it was a waste of time remembering things that could quickly be found in a book. That's why he never remembered his own phone number, which was in the phone book. He knew what was worth remembering. It is true that if we are going to do great things in our lives, we can not waste our time. Einstein liked to joke too. Once in an exam a student asked him why all the questions were the same as last year's. Einstein replied the questions were the same but the answers were different! 1. In one exam, Einstein _____. A. asked different questions B. asked difficult questions C. wanted the answers all the same D. wanted different answers 2. Einstein never remembered his own phone number because _____. A. no one told him the number B. he couldn't remember it at all. C. he didn't think it was worth remembering. D. he didn't have a phone. 3. According to the passage, which of the following is TRUE?______. A. Einstein has been to many countries except America. B. Einstein thought people could learn from mistakes. C. Einstein thought socks were as important as shoes. D. Einstein didn't like talking with others. 4. From the passage, we learn _____. A. Einstein thought time was very important. B. Einstein was too careful to make mistakes. C. Einstein made few jokes with the students. D. Einstein was a person who remembered everything clearly.