根据你所听到的对话以及针对该对话所提的问题，选出能回答该问题的最佳答案。
听第1段对话，回答6—7题
( )6. What does David do?
A. He’s a doctor. B. He’s a bank clerk C. He’s a policeman.
( )7. What does David like doing best?
A. Swimming B. Reading C. Traveling
听第2段对话，回答8—10小题。
( )8. When will the plane arrive?
A. At 1:00 B. At 2:13 C. At 3:13
( )9. Why did Dick go to Paris?
A. To have a holiday. B. To go on business. C. To study.
( )10. How many people will go to the airport?
A. Two B. Three C. Four.
