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【单选题】
听力原文：M: What's the trouble, Mrs. Jack? W: I've been very dizzy lately, and last night I had some chest pain. Q: What is the probable relationship between the two speakers? (18)A.
Husband and wife.
B.
Doctor and patient.
C.
Teacher and student.
D.
Lawyer and client.
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B.
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C.
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D.
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E.
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