Ⅱ. 听对话及问题，选择正确答案。每段对话及问题读两遍。(5分)
( )6. A. By bike. B. On foot. C. By bus.
( )7. A. America. B. Canada. C. England.
( )8. A. Saturday. B. Friday. C. Sunday.
( )9. A. At 6:30. B. At 7:00. C. At 6:45.
( )10. A. Because bicycles are more popular.
B. Because bicycles are cheaper.
C. Because bicycles are the safest of all the vehicles.
