下列关于经度、纬度变化的叙述,正确的是( )。
A:经度越大,离本初子午线越近
B:纬度越高,离赤道越近
C:最大经度是360°
D:0°经线以东的180°为东经
Leeanne Carlson wanted $ 20 million for his large house with two gardens, but he _______ $ 10 million.
判断对错.
半圆的周长等于圆周长的一半.