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【判断题】
胸膜腔内负压形成的主要因素是因为胸膜腔是密闭的腔隙。( )A.
正确
B.
错误
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【简答题】请简述一下连环替代法的运算程序。
【单选题】听力原文：W：I decide to speak to my boss's mother about my problems at work rather than go directly to the boss． M：That is certainly an unusual way of handing the situation，but it may bring good results． Q...
A.
She will go directly to the boss with her problems.
B.
She will keep the problems by herself.
C.
She will let her mother speak to the boss about her problems.
D.
She will tell her boss's mother about the problems.
【单选题】听力原文：W: I decide to speak to my boss's mother about my problems at work rather than to say directly to the boss. M: That is certainly an unusual way of handling the situation, but it may bring good re...
A.
By keeping the problems by herself.
B.
By going directly to the boss with her problems.
C.
By telling her boss's mother about the problems.
D.
By letting her mother speak to the boss about her problems.
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