题干
— Why are you in such a hurry， Mike?
—There_______ an NBA basketball game in ten minutes.
A：will be
B：will have
C：is going to have
D：are going to be
答案(点此获取答案解析）
A
有公共的焦点F1，F2，P是两曲线的一个交点，则
=" " （ ）