题目

听下面一段较长对话，回答以下小题。【1】What does the woman think of the match?A．Entertaining.B．Discouraging.C．Boring.【2】What do the speakers plan to do on Tuesday afternoon?A．Watch a game.B．Play tennis.C．Go to the cinema. 答案：【答案】【1】A【2】B【解析】【原文】W: Wow. That was a great match. I really like watching tennis games.M: Me too. I think tennis is an exciting sport. W: I think so. Do you play tennis, John?M: Yes, but not very well. Do you play?W: A little. How about a game on Tuesday afternoon?M: Sure.(14分)己知、、是椭圆：（）上的三点，其中点的坐标为，过椭圆的中心，且，。（Ⅰ）求椭圆的方程；（Ⅱ）过点的直线(斜率存在时)与椭圆交于两点，，设为椭圆与 轴负半轴的交点，且，求实数的取值范围．