单项选择题
A.低体温 B.呕吐 C.昏迷和抽搐 D.腹胀
A.100% B.95% C.90% D.85%
A.0.65 B.0.70 C.0.60 D.0.50
A.25%~30% B.21%~30% C.35%~40% D.40%~60%
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