2019·河北·高考模拟
名校
1 . 如图,
,
分别是椭圆
的左、右顶点,圆
的半径为2,过点
作圆
的切线,切点为
,在
轴的上方交椭圆于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efcb4693f3b2a1fce9779e363a32a83b.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efcb4693f3b2a1fce9779e363a32a83b.png)
![](https://img.xkw.com/dksih/QBM/2019/4/6/2176601661235200/2177493757960192/STEM/bc04b3f9f19b4ecdaa21744661546658.png?resizew=222)
您最近一年使用:0次
2 . 如图所示,“嫦娥一号”探月卫星沿地月转移轨道飞向月球,在月球附近一点
变轨进入以月球球心
为一个焦点的椭圆轨道Ⅰ绕月飞行,之后卫星在
点第二次变轨进入仍以
为一个焦点的椭圆轨道Ⅱ绕月飞行,最终卫星在
点第三次变轨进入以
为圆心的圆形轨道Ⅲ绕月飞行.已知椭圆轨道Ⅰ和Ⅱ的中心与
在同一直线上,设椭圆轨道Ⅰ和Ⅱ的长半轴长分别为
,
,半焦距分别为
,
,则以下四个关系①
,②
,③
,④
中正确的是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7936359df4c926b72b48c6fdae55f12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76f79be89b8c6227b68eded6b675546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1ae0526bdc3b13edf7d3c8e65986c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59539688558d3382c8c347f837b19cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08e70a8a0290165a81c57cc72f3f035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4265894a8ecb24e6876b72eefcb8c1d1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/0c866537-a24b-4f49-9ca5-570ad71c0cfe.png?resizew=155)
您最近一年使用:0次
2020-03-19更新
|
288次组卷
|
2卷引用:河北省张家口市2019-2020学年高二上学期11月阶段测试数学试题