题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020646-44114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020646-42029.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020646-44114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020648-13950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020647-82942.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-25108.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-96453.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-99687.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-23046.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-90042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-75816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-41267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-78092.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-40553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-41267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-90042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020639-94352.jpg)
(Ⅰ)建立适当的平面直角坐标系,求曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-41267.png)
(Ⅱ)设过点
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020639-56402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020638-41267.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020639-89798.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020639-83688.png)
若△
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020639-78471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020639-95955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020639-34667.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020626-16912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020626-28390.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020626-63530.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020626-28390.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020626-17382.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020626-17382.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020627-29414.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020626-17382.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020627-81228.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020627-87658.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020617-95650.png)
A.1+![]() | B.2+![]() |
C.3-![]() | D.3+![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020608-75605.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020609-89434.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020609-20483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020609-97181.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020609-63630.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020609-65001.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020610-82368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020610-10367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020610-46980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020610-39670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020610-82368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020611-81509.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020611-74446.jpg)
(Ⅰ)求椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020610-82368.png)
(Ⅱ)设椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020610-82368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020611-69786.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020611-89762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020612-81309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020612-51693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020612-46147.png)
变化时,以线段
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020612-37341.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020613-18611.png)
若不是,说明理由.
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020603-92334.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020603-74434.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020603-66407.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020604-99434.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191026/20191026020604-42888.png)
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