现浇钢筋混凝土梁（板）的跨度大于4m时，横板应起拱。当设计无具体要求时，起拱高度宜为全跨长度的（）。

A、1/1000～3/1000；

B、3/1000～5/1000；

C、3/1000～6/1000；

D、1/10000～3/10000；

E、3/10000～6/10000；

The country has ____ too many wars, making her people ____ a lot. [ ]

A. got through; pay

B. looked through; face

C. gone through; suffer

D. passed through; destroy