听下面一段对话, 回答第14至17题。
W:How can I help you?
M:I feel ill. My head hurts.
W:Do you do any exercise?
M:Not really. I haven't done much exercise sine I got my computer last year.
W:You spend too much time in front of the computer. It can be very harmful to your health.
M:OK, so what should I do?
W:Well, get some exercise, such as running And I'll give you some medicine. Take it twice a day.
M:Thank you very much.
14. What's the probable relationship between the speakers?
A. Doctor and patient. B. Teacher and student. C. Manager and customer.
15. What's the matter with the man?
A. He has a headache B. He has a toothache. C. He has a stomachache
16. Where des the man spend too much of his time?
A In the theater. B. In the playground. C. In front of the computer.
17. How often does the woman ask the man to take the medicine?
A. Once a day. B. Twice a day. C. Three times a day.
AACB