Jim records his physical training every time so that he can________it and think about how he should improve it the next day.
A：attach to
B：break up
C：refer to
D：keep on
《晏子春秋》中说：“橘生淮南为橘，生于淮北则为枳”，意思是说南方的橘树移植到淮河以北，就会变成小灌木，橘子也会变成不能吃的“枳”．造成这一差异的主要因素是（ ）
This is my eye.
下列关于经纬线的叙述，错误的是（ ）
