画图,将图中的△ABC作下列运动,画出相应的图形.
(1)沿y轴正向平移2个单位;
(2)关于y轴对称;
(3)以B点为位似中心,放大到2倍.
解:作图如下:
Nowhere else, as his mother told us, __________ except the cabin in the backyard.
A.did he go
B.he did go
C.went he
D.he went
硫磺气化后,在900℃时为()气体。
A、橙黄
B、草黄色
C、暗棕
D、无色