听对话,回答问题。 1. What do Jim's parents want him to do? A. Do some housework. B. Cet a part-time job. C. Take summer courses. 2. Who will visit Beijing by bike with the two speakers? A. Bob and Betty. B. Jim and Helen. C. Jim's parents. 3. Why do they decide to have a visit around Beijing? A. They want to kill the time. B. They want to relax themselves. C. They want to make new friends.