下列哪一项不是厥证虚证的病因:
A.元气素虚
B.形盛气弱
C.睡眠不足
D.疲劳过度
E.生气悲恐
参考答案:B
That young man still denies ______ the fire behind the store.
A.start
B.to start
C.having started
D.to have started
当水源受到有机物和细菌污染较严重时,应选用的消毒法是
A.普通氯消毒法B.二重氯消毒法C.过量氯消毒法D.折点氯消毒法E.氯胺消毒法