感染严重的成人根管（）
A.酚
B.樟脑酚
C.木馏油
D.抗生素+激素
E.复方碘剂
参考答案：C
— Can you guess ______ the MP4 player yesterday?
— Sorry, I've no idea about it. [ ]
A. how much did he pay for
B. how can he get
C. how much he paid for
D. how much he pays
《中华人民共和国消防法》共分()章.
（A）五
（B）六
（C）七
（D）八
