习惯性流产的治疗
A．躺床保胎治疗B．健脾和胃，降逆止呕C．活血祛瘀下胎D．未孕前重防，已孕后重治E．补脾胃，滋化源，养精血，益胎元
参考答案：A
David visited lots of _______ in the world.
A．places of interesting
B．places of interest
C．place of interests
D．place of interesting
胶结作用
