小儿营养不良是指体重低于正常均值的()
A.60%
B.70%
C.85%
D.95%
E.90%
参考答案:C
-We need a drink.I'm really thirsty
-_______.Let,s have one.
A.Generally
B.Strictly
C.Exactly
D.Possibly
类癌综合征病人术中除哪项外可引起类癌活性物质增加()
A.手术挤压肿瘤
B.变动体位
C.过度通气
D.C02蓄积
E.低血压