题干
The thing in the bowl looks terrible, and I don't want to see it again.
A：happy
B：exiting
C：unpleasant
答案(点此获取答案解析）
C
The thing in the bowl looks terrible, and I don't want to see it again.
A：happy
B：exiting
C：unpleasant
左支上一点，
为双曲线的左右焦点，且
则此双曲线离心率是（ ）
