题干
— Excuse me, can you tell me __________?
— Sorry. I am new here, too.
A：where is the Baise Expo
B：where was the Baise Expo
C：where the Baise Expo is
D：where the Baise Expo was
答案(点此获取答案解析）
C
的左焦点
引圆
的切线，切点为T,延长FT交双曲线右支于点P,O为坐标原点，M为PF 的中点，则
与
的大小关系为 ( ▲ ) ．