A: I've eaten too much. Now I feel sick. B:_________________so much.
A. could have eaten
B. must have eaten
C. shouldn't have eaten
D. shouldn't eat
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A: What's the weather like? Is it raining? B: Not at the moment, but it __________ later.
A. would rain
B. could rain
C. should rain
D. shouldn't rain
A: I'm hungry. B: But you've just had lunch. You ___________hungry now.
A. can't have been
B. must be
C. can't be
D. must have been
伴有细胞外液量减少的低钠血症称为
A. 高渗性脱水
B. 等渗性脱水
C. 水肿
D. 低渗性脱水
E. 水中毒
高渗性脱水体液丢失的主要部位是（）
A. 细胞外液
B. 细胞内液
C. 组织液
D. 血浆
E. 血液
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