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【单选题】

Directions: In this section, you will hear one long conversation. The conversation will be read only once. At the end of the conversation, there will be a one-minute pause. During the pause, you must read the four questions, each with three choices marked A, B and C, and decide which is the best answer.
Directions:Who is the man speaking to

A.
A doctor.
B.
A hotel manager.
C.
A medical receptionist.
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参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】男性,60岁,咯血200ml后突然窒息,应立即采取的关键措施是

A.
吸氧
B.
输血
C.
静推垂体后叶素
D.
去除呼吸道梗阻
E.
静点呼吸兴奋剂