题目

（08年广东佛山质检文） 若椭圆的左、右焦点分别为、，抛物线的焦点为．若，则此椭圆的离心率为（    ）．A．        B．        C．       D． 答案：答案:B35.Jasmine was holidaying with her family in a wildlife park ____she was bitten on the leg by a lion. A．whereB．whileC．sinceD．when