题目
题型:单选题难度:一般来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222950-22117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222950-75973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222950-22117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222950-25090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222951-68085.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222951-16457.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:因为
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222952-54111.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222952-45223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222950-22117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222950-22117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222952-78369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222952-95013.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222953-25956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222952-95013.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222953-12567.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222953-63368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222953-13236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222953-93262.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222954-31003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222954-79734.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222954-31003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222954-44463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222954-31729.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222955-83279.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222954-31003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222955-24365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222955-58025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222951-32174.png)
核心考点
试题【已知函数满足,且是偶函数,当时, ,若在区间[-1,3]内,函数有4个零点,则实数k的取值范围是( )A.B.C.D.】;主要考察你对函数的奇偶性与周期性等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222947-57157.png)
A.-2 | B.0 | C.1 | D.2 |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222943-28972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222943-51540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222944-76795.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222944-51897.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222944-37338.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222939-29137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222939-82126.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222926-30142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222926-94816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222926-33081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222926-12296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222926-88857.png)
(Ⅰ).求
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222927-13220.png)
(Ⅱ).若直线
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222927-12145.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222926-30142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222927-76308.png)
(Ⅲ).试讨论当实数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222927-64156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222927-31138.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222928-84983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222928-32262.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222928-84983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222928-74586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222921-62831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222921-23992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222921-91933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222921-73834.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818222922-64446.png)
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