听力原文：W: Could you explain the homework for us, Mr. Brown?
M: Certainly. Read the next unit in your textbook and prepare the classroom discussion.
Q: Who are the two speakers?
(13)
A.Father and daughter.
B.Waiter and customer.
C.Teacher and student.
D.Doctor and patient.

A.Q:
B.Father
C.
B.Waiter
D.
C.Teacher
E.
D.Doctor

【参考答案】

C
解析：这是在询问两人的身份问题。关于此类问题，我们一定要充分注意句中出现的关键词，如“homework”、“......

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