题干
22. He’s succeeded in many fields but his wife is an ordinary woman, ___________?
A：is she
B：isn’t she
C：doesn’t he
D：hasn’t he
答案(点此获取答案解析）
B
A：is she
B：isn’t she
C：doesn’t he
D：hasn’t he
（
）的渐近线上任意一点P到两个焦点的距离之差的绝对值与
的大小关系为
