题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062254-74131.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062254-59130.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062254-70779.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062254-13773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062255-60655.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062255-26651.png)
A.1 | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062256-66698.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062256-66156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062256-45025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062257-62195.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062257-94427.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062257-54573.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062258-24012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062258-36056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062258-39922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062258-17194.png)
因为
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062258-24012.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062259-88551.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062259-57844.png)
核心考点
试题【如图,直角△ABC的斜边,为斜边AB的中点,若为线段上的动点,则的最大值是 ( ) A.1B.C.D.】;主要考察你对平面向量数量积的意义等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062248-72592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062248-20957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062248-91831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062248-72592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062248-20957.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062248-56589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062249-45577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062242-24405.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062242-12330.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062242-29826.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062243-76950.png)
A.![]() | B.![]() | C.1 | D.2 |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062232-34619.png)
(1)求点
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062232-31375.png)
(2)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062232-19642.png)
(3)设曲线C与x轴的交点为M,若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062232-19642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062222-99176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062222-91003.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062222-13179.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062223-29546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062223-42927.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062215-75798.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062215-95011.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062216-40559.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062216-73056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062216-40344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062216-57634.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062217-53001.png)
最新试题
- 1多选如图,质量为m的滑块从倾角为30°的固定斜面上无初速地释放后匀加速下滑,加速度,取出发点为参考点,能正确描述滑块的速
- 2用所给单词的适当形式完成句子。1. There"s a __ (wood) bridge over the r
- 3人们可以多享受权利,少履行义务。____________________________________________
- 4在△ABC中,内角A,B,C对边的边长分别是a,b,c,若b=2asinB,则A等于( )A.30°或60°B.45°
- 5如图所示,两艘飞船A、B沿同一直线同向飞行,相对地面的速度均为v(v接近光速c)。地面上测得它们相距为L,则A测得两飞船
- 6综合性学习。 某中学举行“走进文学百花园”语文实践活动。请你按照活动要求,凭借自身的语文素养,打开“三重门”
- 7反比例函数的图像经过第 ▲ 象限.
- 8结缔组织的种类很多,骨髓、血液等都属于结缔组织,它有_______、________、________、______等功
- 9食醋、纯碱、食盐均为家庭厨房中常用的物质,利用这些物质,不能完成的实验是 [ ]A.除去热水瓶中的水垢B.鉴别氯
- 10下列句子中没有错别字的一项是[ ]A.我们居住的空间,如果没有鲜花绿草的点缀,就会缺少一份生机与灵动。 B.渭南
热门考点
- 1依次在下列句子的横线上填入词语,恰当的一项是[ ]①我国政府制定了保障残疾人_____的相应政策、条例和规定。②
- 2设四边形ABCD与四边形A′B′C′D′是位似图形,且位似比为k,给出下列4个式子:(1)ACA′C′=BDB′D′=k
- 3选做题:有A、B、C、D、E、F六种元素,B原子得到一个电子后3P轨道全充满,A+比B形成的简单离子少一个电子层,C原子
- 4经济学家舒尔茨指出,在解释农业产量的增长差别时,土地的差别是最不重要的,物质资本的质量差别是相当重要的,农民的能力差别是
- 5We may miss the first bus, but _________ we will be there be
- 6 He looked around and caught a man __________ his hand into
- 7_________ favorite movie is comedies.[ ]A.I
- 8已知函数与互为反函数,且函数与函数也互为反函数,若则=( )A.0B.1C.-2010 D.-2009
- 9下列叙述不正确的是A.分散质粒子的半径在10-9cm ~10-7cm之间的分散系叫做胶体B.少量金属钠可保存在煤油中C.
- 10如图所示,空间各处都有匀强磁场,将一导线AO放在XOY面上通以电流I,导线与OX夹角为45°.已知AO导线受的磁场力方向