地面点的空间位置是用（）来表示的。
Ａ.地理坐标
Ｂ.平面直角坐标
C.坐标和高程
参考答案：C
form the moon, our earth with water .seventy percent of its surface, appears as a blue ball.
A．seen, covered
B．seeing, covering
C．seen, covering
D．seeing, covered
提出“礼贵从宜，事难泥古”的思想家是（）
A.朱熹
B.陈亮
C.王安石
D.范仲淹
