第1题: [单项选择]What can we learn from the professor’s experiments A. The old learn as fast as the young. B. The young take shorter time to learn. C. The old perform better than the young. D. The young perform better than the old. 参考答案:B 答案解析:[解析] 本题为细节题,考查的仍是对话中的细节和事实。教授说:“The first thing we discovered was that the old group took longer to