We're going to the cinema.
A:We're going to do it.
B:We're walking in the cinema.
C:We're going to see a film.
新中国改变工业落后面貌,开始向社会主义工业化迈进的标志性事件是( )
-It’s on the bed.
圆心在x轴上,半径为1,且过点(2,1)的圆的标准方程为____