①地球的自转②黄河注入黄海③地球的形状④地球的公转.
A:①②
B:①③
C:②③
D:③④
已知圆心在点P(-2,3),并且与y轴相切,则该圆的方程是( )
根据图画提示完成对话
Mike is a very cool boy. He very likes Chinese food. He likes ____, but he can't use ____. Mike's friend Wu Yifan lies ____. He can use ____ and ____now. Their teachers Miss White is beautiful . She likes ____and ____. She can use ____.