题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020930-93448.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020930-86780.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020930-54904.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020931-28106.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020931-59348.png)
A.![]() | B.![]() | C.2,![]() | D.1,![]() |
答案
解析
解答:由
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020932-71810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020932-30057.png)
解答
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020932-13440.png)
核心考点
试题【 已知向量,,,且,则的值分别为A.,1B.,2C.2,D.1,】;主要考察你对平面向量的基本定理及坐标表示等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020922-86583.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020923-99000.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020923-68018.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020923-75171.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020923-86340.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020924-33016.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020924-11598.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020924-65119.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020923-86340.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020924-11598.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020924-44524.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020919-32564.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020919-23089.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020919-63000.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020919-23089.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020920-53940.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020920-81266.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020920-64575.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020911-51539.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020911-30227.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020911-57143.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020911-33972.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020912-46141.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020912-62185.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020912-98028.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020905-10603.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020905-36364.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020905-81844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020905-16734.png)
能的位置区域用阴影表示正确的是 ( )
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020906-54324.png)
OC、OB与OC的夹角都为30°,且∣OA∣=∣OB∣="1," ∣OC∣=
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020858-58838.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020858-64418.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020858-32346.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020858-38507.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020859-36079.png)
A.2 B.
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020858-58838.png)
C.
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104020859-59135.png)
最新试题
- 1“ ,” he said.“Things really are not as bad as they
- 2 His factory broke down because of the financial crisis, but
- 3下列实验操作不正确的是
- 4(1)硫酸是一种非常重要的化工原料,化工厂生产的硫酸是浓硫酸,实际往往需要用到各种浓度的稀硫酸.在实验室稀释浓硫酸时,应
- 5Success is often measured by the ability to overcome adversi
- 6已知函数f(x)=sin2x+xcosx+2cos2x,x∈R。(1)求函数f(x)的最小正周期和单调增区间;(2)函数
- 7在极坐标系下,已知圆O:和直线,(1)求圆O和直线的直角坐标方程;(2)当时,求直线与圆O公共点的一个极坐标.
- 8大爆炸理论认为,我们的宇宙起源于137亿年前的一次大爆炸.除开始瞬间外,在演化至今的大部分时间内,宇宙基本上是匀速膨胀的
- 9阅读下面的文字,完成1~4题。囚首垢面的鲁迅纳兰泽芸 有人说鲁迅是“一身补丁,一团漆黑,一头直竖”。补丁指的是他身上的
- 10画出如下图中每个木杆在灯光下的影子
热门考点
- 1 “First we make our habits,then our habits make us.”——Charl
- 2It’s the third time _____ arrived late this month. A.that yo
- 3下列图标是对汉字“书写”现状的调查。请仔细阅读,完成后面的题目。(1)从图中汉字“书写”的现状可以得出怎样的结论(要求:
- 4如图所示,E是⊙O内两弦AB和CD的交点,直线EF∥CB,交AD的延长线于F,FG切⊙O于G.求证:(1)△DFE∽△E
- 5中国还是一个发展中国家,人均GDP排全球100多位,但却是奢侈品消费大国,“奢侈品消费大国”不等于“奢侈品大国”。世界上
- 6已知某不纯的硝酸钠中混有一种、两种或三种杂质,为了确定不纯的硝酸钠溶液中所含杂质的成分,一位同学设计了以下实验过程:请回
- 7已知空气-锌电池的电极反应:锌片:Zn-2OH--2e- = ZnO + H2O,石墨:1/2 O2+H2O +2e-
- 8下图是一种形状酷似一条小狗的有机物键线式结构图。化学家将其取名为“doggycene”,下列有关 “doggycene”
- 9(1)关于热传递和内能的下述说法中正确的是:A.热量总是从内能大的物体传给内能小的物体B.热量总是从分子平均动能大的物体
- 10以下各组线段为边,可组成三角形的是( )A.a=15cm,b=30cm,c=45cmB.a=30cm,b=30cm,c