（） A．13 B．7 C．0 D．-6

It is reported that five passengers got killed and _____ got _____ in the traffic accident. [    ]

A. much more; injured        

B. many more; wounded  

C. many more; injured        

D. much more; hurt

阴阳不能相互维系的表现是（）

A.阳胜生热，阴胜生寒

B.阳虚生寒，阴虚生热

C.阴盛格阳，阳盛格阴

D.阴损及阳，阳损及阴

E.阴虚阳亢，阳虚阴盛

电磁制动器

联箱的作用是什么？

什么是水力不均？影响因素有哪些？