题干
—Jack, your hair is too long!—Really? I'll have it _____ right now.
A：cuts
B：cutting
C：to cut
D：cut
答案(点此获取答案解析）
D
—Jack, your hair is too long!—Really? I'll have it _____ right now.
A：cuts
B：cutting
C：to cut
D：cut
，它的一个顶点到一条渐近线的距离为
（c为双曲线的半焦距长），则双曲线的离心率为 （ ）