题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215003-13344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215003-54668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215003-52785.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215004-55041.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215003-52785.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215004-24256.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215004-55041.png)
A.圆或椭圆 | B.抛物线或双曲线 | C.椭圆或双曲线 | D.以上均有可能 |
答案
解析
试题分析:以
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215004-31986.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215003-13344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215005-48332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215004-55041.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215003-52785.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025215004-55041.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214943-50730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214943-71146.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214943-10374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214944-67249.jpg)
(1)求椭圆的方程;
(2)点
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214944-94784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214944-15931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214944-50640.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214944-94784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214944-15931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214945-86981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214945-30031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214945-66706.png)
(1)设
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214937-73944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214937-77775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214937-60434.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214937-58721.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214938-88161.png)
(2)若等比数列的前
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214938-16459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214938-33632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214938-27866.png)
(3)若
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214938-92075.png)
(4)双曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214938-72537.png)
(5)平面内到定点(3,-1)的距离等于到定直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214938-24265.png)
其中正确命题的序号是 .
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214929-51941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214856-65394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214856-75106.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214856-72221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214857-89288.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214857-77895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214857-99134.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214857-75253.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214858-28494.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214856-65394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214858-95271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214858-58235.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214859-35386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214859-49728.png)
(1)求圆
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214856-65394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214859-35386.png)
(2)若两条直线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214859-48587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214900-97400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214859-35386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214900-68418.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214900-87555.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214900-54531.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214901-54059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214901-30693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214901-47642.png)
(3)证明:曲线
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214859-35386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214859-35386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214850-24948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214850-55672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214850-55672.png)
①函数
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214850-55672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214851-61528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214850-55672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214851-61528.png)
③函数
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214850-55672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214850-55672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214851-72629.png)
⑤函数
![](http://img.shitiku.com.cn/uploads/allimg/20191025/20191025214851-78238.png)
最新试题
- 1I don’t think the watch will ______ much. It is ______ $30 a
- 2结合语境解释下列句中加粗词语的意思。(1)这长白山的雪峰冷到彻骨。_________________________(2
- 3Will you _________ playing basketball?[ ]A. join us in
- 4【题文】(28分)阅读材料,回答问题:材料一 范蠡提出 “广天下,尊万乘之主;使百姓安其居,乐其业
- 5下列实验操作中,正确的是 A B C D
- 6【题文】南开大学教授李治安认为:元朝行省制中央集权是秦汉以来郡县制中央集权模式的较高级演化形态,也是两宋否定唐后期藩镇分
- 7同学们,在你们成长的过程中,想到过母亲的付出吗?请写一篇60—80词左右的小短文,描述母亲为你做的事和你的感受。以下提示
- 8“视人之国,若视其国;视人之家,若视其家;视人之身,若视其身。”这一主张属于( )A.儒家“仁爱”思想 B.墨家
- 9使滚烫的水尽快地凉下来,有很多方法:(1)用嘴吹气或放在电风扇前吹,其原理是______;(2)找一只开口较大的空杯子,
- 10电影《高考1977》反映了恢复高考后的第一次考试,如果让你设计考试场景,可以出现的是A.背景音乐:反映粉碎“四人帮”的歌
热门考点
- 1地球上的各种生物都通过食物链和食物网形成紧密而复杂的关系。[ ]
- 2The building was named Ford Hall in of a man Jam
- 3下列几何图形中:(1)平行四边形;(2)线段;(3)角;(4)圆;(5)正方形;(6)任意三角形.其中一定是轴对称图形的
- 4《共产党宣言》揭示了资本主义必然灭亡和共产主义必然胜利的客观规律。将这一理论付诸实践,缔造世界上第一个社会主义国家的是[
- 5如图所示的电路中,电源电动势E=6V,内阻r=1Ω,电阻R1=6Ω、R2=5Ω、R3=3Ω,电容器的电容C=2×10-5
- 6下列词语中加点的字,每对读音都不相同的一项是( )A.什锦/侵蚀谥号/关隘泥沙/泥古B.潜伏/浅海拜谒/竭尽下载/
- 7分解因式:4x2 - 16 =__________。
- 8“人说山西好风光,地肥水美五谷香,左手一指太行山,右手一指是吕梁,站在那高处望上一望,你看到汾河的水呀,哗啦啦啦流过我的
- 9下列对纬线叙述错误的是 ( )A.所有的纬线长度都相等B.所有纬线都与赤道平行C.最大纬度线圈是赤道D.纬线形状
- 10衣食住行等作为社会文化的载体,展示了时代特有的精神风貌。在19世纪80年代的上海,不可能出现的社会生活场景是A.报童在街