单项选择题

Questions 4 to 6 are based on the following conversation. The reason behind the confusion should be that

A. the man mixed up the two classes.
B. the man didn’t switch class in time.
C. there had been a mistake during the add/drop process.
D. the man didn’t fill the add/drop form.

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单项选择题

What is the woman’s first suggestion to her husband

A. He should get a checkup first.
B. He should see a doctor.
C. He should eat less fatty foods.
D. He should visit a fitness trainer.

单项选择题

The experiment is to take place

A. in outer space.
B. from a pyramid.
C. on the Internet.
D. on another planet.

Questions 4 to 6 are based on the following conversation. The reason behind the confusion should be that 您的浏览器不支持 audio 元素。

Questions 4 to 6 are based on the following conversation. The reason behind the confusion should be that