单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．Husband and wife.
B．Doctor and patient.
C．Teacher and student.
D．Doctor and nurse.

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Weight loss surgery is one of the traditional ways of losing weight.

问答题

目前很多人报考研究生；2. 你认为此现象的原因是什么；3. 你的看法。

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