判断不同类型脱水的依据是()
A.体液丢失的总量
B.细胞外液丢失的总量
C.细胞外液渗透压的变化
D.血浆胶体渗透压的变化
E.细胞内液渗透压的变化
参考答案:C
The teachers are doing what they _____ their students. [ ]
A. can to teach
B. can teach
C. can teaching
D. can to teaching
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