智能建筑的局域网,在以下哪些环境中,都应该可以正常的工作?()
A.电源干扰
B.电磁干扰
C.地点位干扰
D.雷击干扰
E.电流干扰
参考答案:A, B, C, D
The country life we ______. The differences between rural and urban areas are disappearing.
A.were used to have changed
B.used to change
C.used to changing
D.were used to has changed
副热带高压带的形成主要取决于()。
A.太阳辐射和海陆分布
B.太阳辐射和地形影响
C.太阳辐射和地球自转
D.地球自转和海陆分布