急性阑尾炎最常见的并发症是（）
A.脓肿形成
B.局限性或弥漫性腹膜炎
C.内、外瘘形成
D.化脓性门静脉炎
E.脓毒血症、感染性休克
参考答案：B
As we have known from the map of the world, this is ______.
A．twice as larger as that island
B．as twice as that one
C．twice as large an island as that one
D．twice as a large island as that one
（）年，劳动部正式将美容师作为一种职业编制在《中华人民共和国工种分类目录》中。
A、1990
B、1991
C、1992
D、1993
