题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002527-51178.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002528-71037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002528-52363.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002528-25554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002528-58251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002528-90205.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-12036.png)
直线
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-58415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-62865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-50609.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:原点
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-12036.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-58415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002530-76397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002531-11415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-58415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002531-23422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002531-84620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-58415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002528-52363.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002531-68776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002531-35386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002532-22571.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-58415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002528-58251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002532-94392.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002532-34852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002532-98885.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002533-59940.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002533-59996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002529-50609.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002530-91715.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002511-68412.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002511-29059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002511-93039.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002504-95755.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002504-76792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002504-71872.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002504-20706.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002455-56450.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002455-65059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002455-86239.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002456-63056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002456-24245.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002456-62541.png)
④
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002456-73930.png)
(Ⅰ)若a=1,求不等式的解集;
(Ⅱ)若已知不等式的解集不是空集,求a的取值范围.
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002421-65265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002421-72738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002422-81860.png)
(Ⅰ)求证:直线ER与GR′的交点P在椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002422-96679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002422-99167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002422-87632.png)
(Ⅱ)若M、N为椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002422-96679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191016/20191016002422-16348.png)
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