题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183544-39683.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183544-57999.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183545-88440.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183545-39323.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183545-68161.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183545-30529.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183546-12744.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183545-68161.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183546-60611.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183546-59213.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183544-39683.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183546-93102.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183547-50198.gif)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183547-62188.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183547-11122.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183547-55650.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183547-41080.gif)
核心考点
举一反三
已知函数
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183432-39295.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183432-50351.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183432-39295.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183432-39295.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183433-56489.gif)
(2)对定义在
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183433-56489.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183432-39295.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183433-79618.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183433-59586.gif)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183433-79410.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183434-36112.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183434-93153.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183434-15685.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183434-75409.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183420-27949.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183420-81218.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183420-66940.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183420-70821.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183348-39430.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183348-76196.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183348-61006.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183349-16060.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183348-76196.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183349-94782.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183349-96668.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183349-33021.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183330-69673.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183330-29402.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183330-19378.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183331-85553.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183331-74309.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183331-36444.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183331-53237.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183332-75188.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183330-29402.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183332-29300.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183332-18168.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183331-85553.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183332-29300.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183322-18370.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183322-41601.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183322-96042.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205183323-46432.gif)
最新试题
- 1Betty is ______ at swimming than running. [ ]A. goo
- 2在平面直角坐标系中,已知点,若以O为极点,x轴的正半轴为极轴建立极坐标系,则点C的极坐标是______ (其中).
- 3Not until recently _______ paid work outside the home.A.most
- 4化简:(1)=( );(2)=( ).
- 5“孔雀开屏”属于动物的 ( )A.防御行为
- 6如图,PA垂直于矩形ABCD所在的平面,AD=PA=2,,E,F分别是AB、PD的中点.(Ⅰ)求证:AF∥平面PCE;(
- 7—Please keep the window _____, Jack ! It’s so hot!—Ok! And m
- 8等质量的甲、乙、丙三种金属,分别与足量的溶质质量分数相同的稀硫酸完全反应后,都生成+2价的硫酸盐,其产生氢气的体积与反应
- 9已知二面角α-l-β的大小为60°,m、n为异面直线,且m⊥α,n⊥β,则m、n所成的角为[ ]A.30°B.6
- 10如图所示,将废旧灯泡的灯丝接入电路,给灯丝缓慢加热,电流表示数变小,小灯泡亮度将 _________ ,这一现象说明 _
热门考点
- 1函数对于总有≥0 成立,则的取值集合为 .
- 2What"s that ________ Chinese?[ ]A. of B. at
- 3观察如图所示的植物细胞的结构模式图,回答下列问题(1)写出下列结构名称:[①]______,[②]______,[⑤]_
- 4(1)2010年12月7日19时40分,河南义马煤业发生瓦斯爆炸,26人遇难,12人受伤..经研究瓦斯的成分与天然气成分
- 5 1mol下列物质(1)甲烷、(2)乙烯、(3)苯、(4)乙醇在足量氧气中充分燃烧,消耗氧气物质的量大小顺序正确的是A.
- 6随着居民收入的增加,汽车生产能力的提升,家庭轿车已走入平常人家。目前我国家庭轿车需求量等于全球年产量。新近一项调查表明,
- 7关于裸子植物下列描述最为正确的是( )A.果实外没有果皮B.种子外没有果皮C.种子外没有种皮D.果实成熟后裂开,种子露
- 8已知集合P={x
- 9用一种试剂即可鉴别苯酚溶液、1-己烯、乙醇、苯,这种试剂是A.溴水B.FeCl3溶液C.NaOH溶液D.四氯化碳
- 10设m,n是两条不同的直线,α,β是两个不同的平面( ).A.若m∥α,n∥α,则m∥nB.若m∥α,m∥β,则α∥βC