陆地及水上撤离后乘客应选择风上侧远离飞机100米外躲避。（）

28分解素因数是______．

_____ they known their neighbor was a drummer, they _____ into the building. [ ]

A. Had; wouldn't have moved

B. Were; wouldn't move

C. Had; wouldn't move

D. If had; wouldn't have moved

以下程序运行后的输出结果是 【7】 。
main()
int m=011,n=11;
printf("%d %d\n",++m,n++);

气雾剂的特点叙述错误的是（）

A.速效、定位

B.清洁无菌稳定性好

C.使用方便

D.使用剂量难控

E.可避免肝的首关效应

哺乳期妇女避孕，不宜选用皮下埋植剂。