浙江宁波市鄞州中学、宁波科创中学2026-2027学年第一学期期中考试高二年级数学学科试题

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鄞州中学2026学年第一学期期中考试

高二年级数学学科期中试题

考生须知:

1.本卷共4页满分150分,考试时间120分钟;

2.答题前,在答题卷指定区域完成相应内容的填写和填涂考试号、贴好条形码,所有答案必须写在答题纸上,写在试卷上无效;

3.本次考试期间不得使用计算器;

4.考试结束后,只需上交答题纸.

一、单项选择题(本大题共8小题,每小题5分,共40分.每小题列出的四个备选项中只有一个是符合题目要求的,不选、多选、错选均不得分)

1.在空间直角坐标系中,点关于坐标平面的对称点的坐标为(     )

A.  B.  C.  D.

2.若平面上直线的一个方向向量为,则直线的倾斜角为(     )

A.  B.  C.  D.

3.已知圆内有一点,倾斜角为且经过点的直线交圆于,两点,则的值为(     )

A.  B.  C.  D.

4.在四面体中,,,,在线段上,在线段上,且,,则等于(     )

A.  B.  C.  D.

5.设椭圆与双曲线的离心率分别为,,若双曲线两条渐近线的斜率小于2,则的取值范围为(     )

A.  B.  C.  D.page number 0

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6.如图,已知异面直线所成角的大小为,点在上,点在上,,且.若,,则的值为(     )

A.  B.  C.  D.

7.已知圆圆心在轴,若圆过点,且与轴、轴分别交于异于的,两个动点,则点到直线距离的最小值为(     )

A.  B.  C.  D.

8.已知正四面体的棱长为,是空间内一动点,若,则点到平面的距离的最大值为(     )

A.  B.  C.  D.

二、多项选择题(本大题共3小题,每小题6分,共18分.每小题列出的四个备选项中,有多项是符合题目要求的.全部选对得6分,部分选对得部分分,不选、多选、错选均不得分)

9.棱长为的正方体中,是的中点,下列结论正确的有(     )

A.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  B.

C.直线和平面所成角的大小为  D.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平面

10.已知直线,,下列正确的是(     )

A.直线过定点  B.存在唯一的实数,使得

C.存在唯一的实数,使得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  D.过某个定点

11.数学中有很多形状优美,寓意美好的曲线.某研究小组用函数,和抛物线的部分图象围成了一个封闭的“心形线”,过抛物线焦点的直线交抛page number 1

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物线于,两点,是或上的动点,下列说法正确的有(     )

A.抛物线的标准方程为  B.的取值范围是

C.面积的最大值是  D.的最小值是

三、填空题(本大题共3小题,共15分)

12.写出与圆和都相切的一条直线的方程___________.

13.如图,将长方形纸片沿对角线折成直二面角,分别为的中点,是原长方形的中心,若,则折纸后的余弦值为___________.

14.已知双曲线的两条渐近线分别为,过椭圆上动点作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交于点,作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交于点,若为定值,则的值为___________.

四、解答题(本题共5小题,共77分)

15.已知,,三点.

(1)若三点能构成三角形,写出边所在直线的一般方程,并求出满足条件的实数的取值范围;

(2)若为直角三角形,求所有满足条件的点的坐标.

16.如图,在四棱锥中,底面满足,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,底面,且.page number 2

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