定性免疫检测的室内质控,每次测定都应检测()
A.阳性对照
B.阴性对照
C.阳性、阴性对照
D.弱阳性对照
E.以上都不是
参考答案:D
--What is your sister’s favorite game?
--_________ favorite game is volleyball. [ ]
A. Her
B. She
C. Hers
D. My