In my view, London's not as expensive in price as Tokyo but Tokyo is ______in traffic.
A:the most organized
B:more organized
C:so organized as
D:as organized as
小明将红色滤色镜(即红色玻璃)挡在照相机镜头前给一株黄色的月季花拍照,照片上该花的颜色是 ( )
如图,用围棋子按下面的规律摆图形,则摆第n个图形需要围棋子的枚数为( )
如图是安装了漏电保护器的家庭电路.当漏电保护器检测到通过图中A、B两处的电流不相等(即发生漏电)时会迅速切断电路,从而起到保护作用:甲、乙两处分別装用电器和开关.对此电路.下列说法正确的是