维生素C注射剂灭菌采用的是
A.脆碎度检查B.热原检查C.融变时限检查D.崩解时限检查E.黏度与稠度检查
参考答案:C
—I’m really hungry now.
That’s because you have left your lunch __________.
A.having untouched
B.to be untouched
C.untouched
D.being untouched
— Where do these magazines ______?
—Put them back _______ they were.[ ]
A. go; where
B. lay; where
C. lie; to where
D. place; to which