题目
题型:不详难度:来源:
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答案
解析
试题分析:抛物线
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核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025115805-80490.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025115800-27096.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025115800-27096.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025115800-27096.gif)
A.![]() ![]() | B.![]() ![]() | C.4.5![]() | D.9![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025115742-17806.gif)
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在
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025115733-33394.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025115733-97718.gif)
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A.
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025115646-46614.gif)
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