患者,女性,49岁,从高处坠落被树枝刺穿胸壁,致开放性气胸,行胸腔,起引流管放置的正确位置是 A. 锁骨中线第2肋间 B. 锁骨中线第3肋间 C. 锁骨中线第4~5肋间 D. 腋中线和腋后线之间第6或第7肋间 E. 腋中线6~8肋间
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【单选题】听力原文:W: How important are friends to you, Martin? M: I've never had a lot of friends and regarded them as particularly important. Q: What do we know about Martin? (19)
A.
He has a lot of friends.
B.
He has no friends.
C.
He regards friends as those who have no particular importance to him.