肉桂在芍药汤中的配伍意义是()
A.温中散寒
B.温壮肾阳,纳气平喘
C.温经止痛
D.暖脾土,止泻利
E.防苦寒伤中,助行血之力
参考答案:D
SIP协议中,“m=audio30016RTP/AVP8”所指示使用的编解码为:()。
A.G.711A/G.711U
B.G.723
C.G.726/G.729
D.T.38
Tom's parents banned him ______ playing computer games. [ ]
A. to
B. from
C. of
D. in