广东省惠州市惠阳中山中学等校联考2026-2027学年高二上学期期中考试数学试题

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2026—2027学年第一学期期中考试

高二数学试题

全卷满分150分,考试时间120分钟

2026.11

一、单项选择题:本题共8小题,每小题5分,共40分.在每小题给出的四个选项中,只有一项是符合题目要求的.

1.已知直线,则l的倾斜角为(    )

A. B.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 C.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 D.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

2.若直线与直线()平行,则这两条直线间的距离为(    )

A. B. C. D.

3.在正方体中,已知M、N分别是、的中点,则直线与所成角的余弦值为(    )

A. B. C. D.

4.数学家欧拉在1765年发现,任意三角形的外心、重心、垂心位于同一条直线上,这条直线称为的欧拉线.已知的顶点坐标为,则欧拉线的方程为(    )

A.  B.

C.  D.

5.已知直线恒过定点M,则以点M为圆心,半径为1的圆的方程是(    )

A.  B.

C.  D.

6.已知圆和圆恰有三条公共切线,则的最小值为(    )page number 0

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A.6 B.36 C.10 D.

7.已知点,直线,在直线l上找一点P使得最小,则这个最小值是(    )

A.3 B.4 C.5 D.

8.在三棱锥P-ABC中,,平面PAB⊥平面ABC,若球O是三棱锥P-ABC的外接球,则球O的表面积为(    )

A.96π B.84π C.72π D.48π

二、多项选择题:本题共3小题,每小题6分,共18分.在每小题给出的选项中,有多项符合题目要求.全部选对的得6分,部分选对的得部分分,有选错的得0分.

9.已知分别为直线的方向向量(不重合),分别为平面α,β的法向量(α,β不重合),则下列说法中正确的是(    )

A.  B.

C.  D.

10.已知直线,圆,则下列结论正确的是(    )

A.过点且与直线l平行的直线方程是

B.直线l在两坐标轴上的截距相等

C.k的取值范围为

D.当k=4时,圆面积为16π

11.已知圆,直线l过点,且与圆O交于A,B两点,则(    )

A.线段AB长度的最小值为2

B.△AOB面积的最大值为

C.直线l与x轴负半轴和y轴正半轴围成的三角形面积的最小值为6

D.过点P作直线l的垂线交圆O于C,D两点,则线段BD的中点E到原点O的距离的最小值为page number 1

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三、填空题:本题共3小题,每小题5分,共15分.

12.过点且垂直于直线的直线方程为__________.(写一般式方程)

13.如图,二面角等于135°,A,B是棱l上两点,BD,AC分别在半平面α,β内,,且,则__________.

14.若直线与曲线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恰有两个交点,则实数k的取值范围是__________.

四、解答题:本题共5小题,共77分.解答应写出文字说明、证明过程或演算步骤.

15.(本题满分13分)已知,求(均写出一般式方程):

(1)BC边上的中线所在的直线方程;

(2)AB边垂直平分线方程;

(3)过B点且在x轴和y轴上的截距互为相反数的直线方程.

16.(本题满分15分)已知空间中三点.

(1)求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;

(2)求向量在向量上的投影向量的坐标;

(3)若点在平面ABC内,求m的值.

17.(本题满分15分)已知圆心为C的圆经过两点,且圆心C在直线上.

(1)求圆C的标准方程;

(2)过点斜率为的直线与圆C交于M,N两点,求直线l被圆C截得的弦|MN|的长.

18.(本题满分17分)如图,在四棱锥中,平面⊥平面,page number 2

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