A:What
B:That
C:Thi
D:Which
Lucy is going to _______.
一个运算程序输入x后,得到的结果是4x3﹣2,则这个运算程序是( )
We should avoid mistakes.
以点B为位似中心,在网格内画出△A2B2C2,使△A2B2C2与△ABC位似,且位似比为2:1,点C2的坐标是 ____