题干
We'll bring ______ your radio _______ two days.
A：back, in
B：with, after
C：back, into
答案(点此获取答案解析）
A
We'll bring ______ your radio _______ two days.
A：back, in
B：with, after
C：back, into
左支上一点,
分别为双曲线的左、右焦点,若
,则此双曲线离心率是
的图象在点
处的切线方程是 （ ）