对电气主接线的基本要求有电能质量、()。
A.供电可靠性
B.可扩建性
C.经济性
D.灵活性
参考答案:A, B, C, D
As we have known from the map of the world,this is ________.
A.twice as large an island as that
B.twice as larger as that island
C.as twice large as that one
D.twice as a large island as that
根据我国宪法的规定,下列关于通信自由和通信秘密的属性的表述中,哪个选项是正确的( )
A.通信自由和秘密属于公民文化教育权利的范畴
B.通信自由和秘密属于我国公民一项基本的政治自由的权利
C.通信自由和秘密属于公民人身自由的权利的范畴
D.通信自由和秘密属于公民监督权的范畴