题目

One Sunday evening two men met in a London pub. One of them was very unhappy.“Life is terrible. Everything in the world is really boring,” he said.“Don’t say that,” said the other man. “Life is marvelous! The world is so exciting! Think about Italy. It is a wonderful country. Have you ever been there?”“Oh, yes. I went there last year and I didn’t like it.”“Well, have you been to Norway(挪威)? Have you even seen the midnight sun?”“Oh, yes. I went in 1994 and I saw the midnight sun. I didn’t enjoy it.”“Well. I have just returned from Sahara Desert (撒哈拉沙17．周老师和女儿丽丽绕学校操场跑步．周老师跑一圈需要7分钟，丽丽跑一圈需要9分钟．两人同时同地出发，相背而行，跑了3分钟后丽丽摔倒了，周老师转过身来跑到丽丽摔跤的地方需要多少分钟？