听力原文:W: Can you show me how to use this, John?
M: It is fully automatic. All you have to do is focus on the scene and press the button here.
Q: What are they talking about?
(16)
A.How to use a camera.
B.How to use a washer.
C.How to use a keyboard.
D.How to use a tape recorder.
第8题
A. 非通气侧肺萎陷
B. B.通气侧肺V/Q<0.8c. c.麻醉药控制非通气侧肺hpvd. d.通气压力低导致氧供不足e. e.通气不是纯氧
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