It is becoming more and more difficult to_______the problems of traffic in some big cities of our country.

A．deal with

B．set up

C．put away

D．break down

关于腹膜炎何项错误（）

A.分为继发性和原发性腹膜炎

B.临床所见大部分为继发性腹膜炎

C.继发性腹膜炎的绝大多数为胃肠道内的常驻菌群

D.原发性腹膜炎的细菌多为溶血性链球菌

E.原发性腹膜炎很常见，可发生于任何年龄