“纸上得来终觉浅，绝知此事须躬行”说明（）
A.书本知识是无用的
B.认识的能动作用
C.间接经验靠不住
D.实践在认识过程中的能动作用
参考答案：D
用于治疗痰瘀互结所致的阴疽的是（）
A.内消瘰疬丸
B.小金丸
C.阳和解凝膏
D.乳癖消胶囊
E.消银颗粒
You’d better go there by train. The train ticket is _____ the airplane ticket.
A．as cheap three times as
B．as three times cheap as
C．three times cheaper than
D．three times as cheaper as
