治疗肺炎喘嗽的肺脾气虚证,应首选()
A.人参五味子汤
B.华盖散
C.参附龙牡救逆汤
D.桑白皮汤
E.桑菊饮
参考答案:A
用标准浓度的氢氧化钠溶液来滴定末知浓度的盐酸,在滴定操作时,盐酸一般放在( )
A.锥形瓶中
B.烧杯中
C.滴定管中
D.量筒中
The doctor had almost lost hope at one point,but the patient finally ______.
A.pulled out
B.pulled through
C.pulled up
D.pulled over