第二节
听下面5段对话或独白。每段对话或独白后有几道小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有5秒钟的时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。
听力原文：M: My tooth is aching badly, Doctor. Would you please have a look？
W: Yes. Open your mouth, please. Your X-rays show a deep cavity.
M: Will you have to pull the tooth？
W: Not necessary. But you will need a filling.
M: Will it hurt much？
W: I'll give you an injection, and then you won't feel pain. And you should really take better care of your teeth.
What's wrong with the man？

A. He has been throwing up.
B. He has got a heavy toothache.
C. He seems weak.