下列哪项不是无菌实验室所必须的()
A.无菌实验室应完全封闭
B.定期进行彻底消毒
C.进入无菌室应着隔离衣
D.不进行常见临床标本的分离
E.有超净工作台
参考答案:E
He says men are more able than women and this is _____ I am really not for.
A.which
B.where
C.what
D.why