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【单选题】
当中脉压(CVP)低于多少时常表示血容量不足A.
5cmH2O
B.
10cmH2O
C.
15cmH2O
D.
20cmH2O
E.
25cmH2O
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皮皮学刷刷变学霸
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【简答题】X=0.1000,Y=-0.1010,利用原码一位除求X/Y=( )
【单选题】听力原文：M: Hurry up, dear. The movie will start at 7:40 p.m. We only got ten minutes left. W: All right. We'd better take a taxi. Q: What's the time now? (2)
A.
7:20 p.m.
B.
7:30 p.m.
C.
7:40 p.m.
D.
7:50 p.m.
【单选题】听力原文：M: Hurry up, Kate. We'll be late. W: I am hurrying. I can't move any faster. M: It's always the same. We can never get anywhere on time. W: Right! I'm ready. Really, David, if you gave me some he...
A.
Because she hasn't got ready yet.
B.
Because she is waiting for David.
C.
Because she is waiting for a taxi to pick her up.
D.
Because it is raining very hard and she doesn't have an umbrella.
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