葛根芩连片可用于（）
A.表证未解、里热已炽所致之下利臭秽、肛门灼热
B.身热、口渴
C.饮食停滞
D.气郁不舒
参考答案：A, B
— Could you help me decide which one to choose?
— Oh, _______ .[ ]
A. that's a good idea
B. maybe I can't do it
C. maybe it would be better to be up to you
D. go ahead, please.
先张法预应力钢筋混凝土的施工，在放松预应力钢筋时，要求混凝土的强度不低于设计强度等级的( )。
A．75%
B．80%
C．85%
D．100%
