听下面一段材料,回答第1-4题。 1. Why is the man going to China? A .To learn Chinese. B. To visit his friends. C .To go sightseeing. 2. Who is Li Hui? A .The man’s Chinese friend. B. A tour ist guide. C. The man’s classmate. 3. What do we know about Li Hui’s mother? A. She likes traveling . B. She can speak English. C .She speaks three languages . 4. What has the woman decided to do ? A .To go to work in China next year. B .To go to China with the man tomorrow. C. To go camping with Lily and her brother.