下列说法正确的是[ ]
A.一物体被移到月球上质量将变小
B.1㎏铁块的质量比1㎏木头质量大
C.将一铁块拉成铁丝,它的质量将不发生变化
D.一块冰熔化成水,其质量减少
答案:C
( )是社会治安综合治理的战略性指导原则。
A.属地管辖 B.谁主管,谁负责C.属级管辖 D.打防结合.预防为主
The glass doors have taken the place of the wooden ones at the entrance, ___ in the natural light during
the day. [ ]
A. to let
B. letting
C. let
D. having let