一Do you know which book doesn't belong to the four great classical Chinese novels
一Of course I know, it's .
A:Journey to the West
B:A Dream o f Red Mansions
C:The Romance of the Three Kingdoms
D:Madame White Snake
读“不堪重负的地球”图,完成下题.
神经调节的基本方式是
根据开普勒定律可知:火星绕太阳运行的轨道是椭圆,太阳处在椭圆的一个焦点上.下列说法正确的是( )