急性弥漫性腹膜炎的感染途径除外
A．血流B．腹壁血栓性静脉炎C．由外界直接进入腹腔D．空腔脏器穿孔E．空腔脏器炎症蔓延
参考答案：C
--I hear that the famous singer Eason Chan will sing at Beijing New Theatre.
--Really? Where did you _____?
A．take it out
B．pick it up
C．bring it about
D．get it in
简述三国两晋南北朝在我国历史上的地位。
