名校
解题方法
1 . 下列说法正确的是( )
A.“![]() ![]() |
B.“![]() ![]() ![]() |
C.设![]() ![]() ![]() ![]() |
D.“![]() ![]() |
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2024-02-17更新
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1334次组卷
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3卷引用:吉林省长春市朝阳区实验中学2023-2024学年高一上学期1月期末数学试题
名校
解题方法
2 . 已知抛物线
,
为其焦点,过
的直线与抛物线
交于
两点,
为
中点,过
两点分别作准线的垂线交准线于
两点,直线倾斜角为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4151d4a6aa73f2aff7f46f3f83256cea.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/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.若![]() ![]() |
B.![]() |
C.![]() ![]() |
D.过![]() ![]() ![]() |
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解题方法
3 . 已知椭圆C:
,P为椭圆上一个动点,
为其左右焦点,当
垂直于
轴时,
,则下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd9d537bac0fd05b1b043f700aaa9cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb88c56652ad7b44873c7e1dfe355c5.png)
A.![]() |
B.![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() |
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4 . 在正方体
中,
,
分别为
,
中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() ![]() |
D.平面![]() ![]() ![]() |
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2024-01-28更新
|
188次组卷
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2卷引用:吉林省通化市梅河口市第五中学2023-2024学年高二上学期期末数学试题
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5 . 已知双曲线C的方程为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58fa4a337f0b81b991fb32e8e6e3c0.png)
A.双曲线C的实轴长为6 |
B.双曲线C的渐近线方程为![]() |
C.双曲线C的焦点到渐近线的距离为4 |
D.双曲线C上的点到焦点距离的最小值为8 |
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2024-01-28更新
|
492次组卷
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2卷引用:吉林省通化市梅河口市第五中学2023-2024学年高二上学期期末数学试题
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6 . 已知
是抛物线
上的两动点,
是抛物线的焦点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64447af8454c613a58b11d9274d3da2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.直线![]() ![]() ![]() ![]() |
B.直线![]() ![]() ![]() |
C.若坐标原点为![]() ![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() ![]() |
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7 . 已知椭圆
,双曲线
(
,
),椭圆
与双曲线
有共同的焦点,离心率分别为
,
,椭圆
与双曲线
在第一象限的交点为
且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8210484dd6815b5bebc7b22f1389cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ab2caccd742eb636bd8378661a8807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b967232e28ad0d453adc66676bdf8b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f1ea30341eb5d584710c3aebc64ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7285470bf401f5edaac641234ee6ff6a.png)
A.若![]() ![]() |
B.![]() ![]() |
C.![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() ![]() ![]() |
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2024-01-15更新
|
538次组卷
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5卷引用:吉林省通化市梅河口市第五中学2023-2024学年高二上学期期末数学试题
8 . 已知抛物线
的焦点为F,过点F作互相垂直的两条直线与抛物线E分别交于点A,B,C,D,P,Q分别为
,
的中点,O为坐标原点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4fb72e39d79b7a0cd892fa5fa34bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() |
B.![]() |
C.若F恰好为![]() ![]() ![]() |
D.直线![]() ![]() |
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4卷引用:吉林省部分名校2023-2024学年高二上学期期末联合考试数学试题
9 . 对抛物线
,下列描述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a5868aafcfc69ba947ab1e5a336b79.png)
A.开口向左,焦点为![]() | B.开口向左,准线方程为![]() |
C.开口向下,准线方程为![]() | D.开口向下,焦点为![]() |
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2卷引用:吉林省长春博硕学校2023-2024学年高二上学期期末考试数学试卷
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10 . 已知曲线
:
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2085af2326d0e13a12d3db8dbb79f51.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
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