A:adapt to
B:apply to
C:appeal to
D:attach to
—Thanks for your _________, but I think I can manage it myself.
在数轴上,一个点从-3开始向左移动1个单位长度,再向右移动5个单位长度后表示的数是( )
若椭圆经过原点,且焦点分别为F10,1,F20,3,则其离心率为( )