题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145042-41404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145042-74002.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145042-41404.png)
A.0 | B.2 | C.4 | D.6 |
答案
解析
试题分析:依题意可知
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145043-93364.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145043-30862.png)
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核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145035-78079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145035-97783.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145035-78079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145036-41901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145036-84404.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145036-15557.png)
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①椭圆
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145020-73774.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145021-96408.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145022-54879.png)
其中所有正确结论的序号是________.
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145015-24883.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145015-31716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145015-23946.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145007-10917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145007-41722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023145007-70687.png)
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