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【单选题】

Section A
Directions: In this section, you will hear 6 short conversations. At the end of each conversation, a question will be asked about what was said Both the conversation and the question will be read only once. After each question, there will be a pause. During the pause, you must read the three choices marked A, B and C, and decide which is the best answer.
Directions:

A.
Coming back for a later show.
B.
Waiting in a queue.
C.
Coming back in five minutes.
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参考答案:
参考解析:
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举一反三

【单选题】女性,30岁,咳嗽2周,结核菌素试验,1:2000阳性,你认为

A.
可排除结核杆菌感染
B.
曾有结核杆菌感染
C.
现正患活动性结核病
D.
需用抗结核药物治疗
E.
需做胸CT