下列哪项检查对诊断肾病综合征是必需的()
A.24小时尿蛋白>3.5g
B.血浆白蛋白<30g/L
C.双下肢凹陷性水肿
D.大量血尿
E.血胆固醇及甘油三酯升高
参考答案:A
The importance of saving gas ______ be stressed too much. Automobiles use up some 70 billion gallons of gas a year.[ ]
A. mustn’t
B. cannot
C. shouldn’t
D. may not
检查压力蒸汽灭菌效果的指示菌为()
A.ATCC7953
B.ATCC9372
C.ATCC25923
D.ATCC25922
E.ATCC27853