牙周病的始动因子是（）。
A.菌斑
B.创伤
C.TMJ关节紊乱
D.刷牙不当
E.以上都是
参考答案：A
.
---I’ll be away for about two days. Would you mind taking care of my little dog?
---________.
A．Yes, it’s my pleasure.
B．Yes, I’ll do it well.
C．No, I’ve got no time.
D．No, I’d be happy to.
姜炙法中每100kg药物用生姜的量为
A.3kg
B.5kg
C.10kg
D.15kg
