在我国,引起慢性肾衰竭最常见的病因是()
A.肾小动脉硬化
B.肾肿瘤
C.肾结核
D.慢性肾盂肾炎
E.慢性肾小球肾炎
参考答案:E
适用范围是中国境内经营药品的专营或兼营企业的是()
A.GLP
B.GCP
C.GMP
D.GSP
E.GAP
There are about ____________ students in our school.
A.four thousand
B.four thousands of
C.four thousand of
D.thousand of