Another newest man-made satellite is the earth now.
A:circle
B:circling
C:circling around
D:circles
伯里克利时期,民主政治达到巅峰,这一现象出现在( )
①将△ABC沿y轴正方向平移3个单位得到△A1B1C1,画出△A1B1C1,并写出点B1坐标;
②画出△A1B1C1关于y轴对称的△A2B2C2,并写出点C2的坐标.