黄连在朱砂安神丸的作用（）
A.清热解毒
B.清心泻火
C.泻火解毒
D.清热燥湿
E.清热安神
参考答案：B
-What are you doing there?
-I’m watching the boys soccer by the river.[ ]
A. play
B. to play
C. playing
D. played
侵蚀性葡萄胎可发生在流产后
