感染邪毒型产后发热的治法为（）
A.清热解毒，活血化瘀
B.清热解毒，凉血化瘀
C.清热解毒，养血祛风
D.养血祛风，清热活血
E.以上都不是
参考答案：B
I have seldom seen my mother ________ pleased with my progress as she is now. [ ]
A. so
B. very
C. too
D. rather
液压传动系统中，采用密封装置是为了防止灰尘的进入。
