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
下列各组句子中的划线词,意义和用法都相同的一项是( )
已知反比例函数y=kx的图象如图所示,则一次函数y=kx+k的图象经过( )