第二节：下面各小题中均有一个对话，根据对话内容和所提问题，选择正确的答案。（5分）
( ) 6. What does the man want to do?
A. To send a letter
B. To buy a stamp
C. To borrow a book
( ) 7. What do they think if fewer people drive cars?
A. There will be more pollution.
B. There will be no pollution.
C. There will be less pollution
( ) 8. What color is John’s shirt?
A. White
B. Blue
C. Black
