新闻发布会的发言人通常由本单位的领导人担任。
参考答案：对
It seems very difficult to ________ the child crying. Please take him to his mother.
A. stop B. keep C. make
阴黄辨证以何为主 （）
A.湿热
B.血瘀
C.热重于湿
D.脾虚寒湿
E.湿重于热
