题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173445-68242.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173445-50502.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173445-60017.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173445-84503.png)
因为
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173445-55172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173446-90366.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173446-72784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173445-50502.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173443-18570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173443-38705.png)
A.![]() | B.![]() | C.-1 | D.1 |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173436-36839.png)
(2)已知
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173437-78557.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173437-41430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173437-30022.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173432-35199.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173432-54896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173432-80504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173433-13560.png)
A.R | B.(1,+ ![]() | C.[1,+ ![]() | D.[ ![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173428-10149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173428-55456.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173428-90474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173428-62117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173428-70395.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173429-26328.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173424-87186.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173424-51473.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173425-99373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173425-99373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173425-99373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173425-99373.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173425-31935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173425-23174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173425-25233.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173425-48291.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173426-41588.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817173426-52077.png)
A.216 | B.108 | C.48 | D.24 |
最新试题
- 1在80℃时,将0.4mol的四氧化二氮气体充入2L已抽空的固定容积的密闭容器中,隔一段时间对该容器内的物质进行分析,得到
- 2如图所示的四个实例中,目的是为了增大压强的是( )A.铁轨铺在枕木上B.图钉的钉尖做得很尖C.书包带做得较宽D.坦克装
- 3(本题满分18分)本题共有3个小题,第1小题满分4分,第2小题满分8分, 第3小题满分6分.设把三阶行列式中第一行第二列
- 4阅读下列《丹柯》节选文段,完成后面题目。(12分)丹柯领着他们。大家和谐地跟着他走----他们相信他。这条路是很难走的!
- 5某数学竞赛共有20道题,答对一道题得5分,不答或答错一题不仅不给分,还要扣去3分,必须答对几道题才能得84分?
- 6化学就在我们身边(1)萌萌是个爱劳动的孩子,平时自己的衣物总是自己清洗,她发现用湿手取少量洗衣粉时感觉到手发烫,原因是洗
- 7函数y=2x2+1的导数为______.
- 8已知f (x)是R上的偶函数,且在(0,+∞)上单调递增,并且f (x)<0对一切x∈R成立,试判断-1f(x)在(-∞
- 9下列食品中的主要成分是蛋白质的是( )A.米饭B.鸡蛋C.黄瓜D.菜籽油
- 10设函数在上的导函数为,在上的导函数为,若在上,恒成立,则称函数在上为“凸函数”.已知当时,在上是“凸函数”,则在上(
热门考点
- 1已知圆的极坐标方程为,则该圆的半径是 .
- 2植物精油具有抗菌消炎、解热镇痛等药物功用。从樟科植物枝叶中提取的精油中含有下列甲、乙、丙三种成分:丙:分子式C16H14
- 3设l是直线,α,β是两个不同的平面( )A.若l//α,l//β,则α//βB.若l//α,l⊥β,则α⊥βC.若
- 4Nino Hernandez, who ________ only 10kg and is regarded as th
- 5.-Is there any flight to Tokyo today?-I think there ______,
- 6一天当中,襄阳市的最低气温大约出现在( )A.日出前后B.日落前后C.午后二时D.凌晨二时
- 7在“伏安法测小灯泡电阻”的实验中:(1)用笔画线在图甲中将电路实物图连接完整。(2)连接好电路后,闭合开关,发现无论如何
- 8I _____ ping-pong quite well, but I haven"t had time to pla
- 9碱性电池有容量大,放电电流大的特点,被广泛应用。锌-锰碱性电池以氢氧化钾溶液为电解液,电池总反应式为:Zn + 2MnO
- 10【题文】填入下面横线处的句子,与上下文衔接最恰当的一组是( )几十年来,霍金的身体禁锢在轮椅中,&