The most common type of viral hepatitis in China is()
A. Hepatitis A virus
B. Hepatitis B virus
C. Hepatitis C virus
D. Hepatitis D virus
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下列哪个不是高钠血症的发生机制()
A. 细胞外液稀释
B. 水分摄入不足
C. 水分丢失过多
D. 内分泌病变
E. 钠摄入过多
下述与化学反应速率有关的因素是()
A. 催化剂
B. 温度
C. 浓度
D. 活化能
It is ridiculous to deal with love in a logical way()
When prophylactic antibiotics are used in surgery, those who receive cleaning operation shall be given drugs within()hours before operation, or at the beginning of anesthesia, so that when the incisio
A. 0.5-1
B. 1-2
C. 2-3
D. 1-3