由桑叶、杏仁、人参、石膏、甘草、胡麻仁、阿胶、麦门冬、枇杷叶组成的方剂是()
A.桑杏汤
B.止嗽散
C.补肺阿胶汤
D.麦门冬汤
E.清燥救肺汤
参考答案:E
It isn't _____ to take children to attend after-school clubs.[ ]
A. anything new
B. new anything
C. new something
D. something new
油滤旁通活门的作用是().
A.防止压力过高损坏油滤
B.防止油滤堵塞时供油中断
C.防止流量过大损坏油滤
D.保证滑油清洁