云南安宁市第一中学2026-2027学年高二上学期期中考试数学试卷

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安宁一中高二年级2026-2027学年上学期期中考试

数学试卷

命题人:朱明星

一、单选题(每题5分,共40分)

1.已知集合eqId6199f0e38af28ec780e137dca050fae5,eqId246f1233544306b584a5a7f9e1a3f14a,则eqIdb4b9b470218359a4a47be9244980489e(   )

A.eqIdb378c027964a5f51a6b004bae5b2d0bc B.eqId5a17b2ce11769ab8f0d930ff94d94361 C.eqIdd473d6c1dd16cb85ecb0cc3d43cff0cf D.eqId2eac374c8f2a5675c6f8da00167d612c

2.已知eqIdafc933d8e17ad3edfe04a3d4a2d0716d,则eqId1245ed74a632317d3a0a106aa9d02eaf的虚部为(     )

A.eqId3389f53711264b0acba3ba6019f8b908 B.eqIdf89eef3148f2d4d09379767b4af69132 C.eqId2adc9e2a4b896f1a3f218cfe75d6180d D.eqId4692df4ce0b68533ffa9deb28f53786d

3.设eqIdcb4a94febde71b5356cad841ce643050,向量eqIdf965738f07067013b04db820e3ae8a96,eqIdf04415cbbfef9f73eca0d83a6b0eaab0,eqId07bd57dd68879c0d78a2c42b9e724584,则eqIde2964b9f8eb74f2c1c4c48b4502cfaf5(   )

A.eqId4a94acdfb41489d5694b5a64b9e99754 B.eqIdd13ce3ebd1112220c639562739f1f9d1 C.eqId81fb134b2b48acc99213fff6ccfee65f D.1

4.已知角eqIde170f206fdbbd834aad7580c727e2cc6的终边过点eqId97fe88412da03cc114f2250593293217,则eqId66e7cd4e866f7e0e38c51a799b087ace(    )

A.eqIdeac97e6740365c85ad857aff85cefbe5 B.eqId94f8657de54481172ca9179c88c0c4c7 C.eqId7e6157b82654bf4421d4f5c75ec61bab D.eqId4bfe975874e9c8ac38a8c0e3354e1024

5.如图,在三棱柱eqId42d3a82b8e587ee890467835bc4e854c中,设eqId6a08f3a88dffed011df93d1d606a08ba,eqIdb4f8173bb7787b6b107acfe767dd1d91,eqId2fb7fce1344c4fa13a50e97f109f6e17,eqIdac047e91852b91af639feec23a9598b2是eqId0d8772aa893a9c1d40f714cb25701701的中点,则eqId4fe6d728b430549f00bb9c0a7bf8bf7d可表示为(    )

@@@ff4b32e3-6ea0-4a15-9428-7076b18d2d2e

A.eqId83a3ca24f2925b64a3b76f633833c660 B.eqId7a2e5b6e1d0cceba5b76b3503ee893ca

C.eqId308602677402bf90e568f331297bf101 D.eqId6396f912dc4188f801a9bd675deb6e86

6.已知函数eqId4fe7d5809da02c15a43a0e9a898b9086是定义在R上且周期为4的偶函数,当eqId966d9dd819cba29980da3700422c2497时,eqId01e47d77aa8a3cff15aaa7e1e893c761,则eqId212381ec0dbd7f351b18b78f2398ab3a(    )

A.eqIdacbc6a613224461ade69362d46550474 B.eqId3389f53711264b0acba3ba6019f8b908 C.0 D.1

7.“圆eqIdd0caa37be11be6d360fb7bb2b15bd2da截直线eqId1b979396a703fb14715ba39232f5786a所得弦长为2”是“eqIde65397f11ea8af736f38debadf420c4a”的(   )

A.充分不必要条件 B.必要不充分条件

C.充要条件 D.既不充分也不必要条件page number 0

 

试卷第1页(共1页)

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8.已知函数eqIddbc5ab4d9ec57132fd62c0ba306a2980的部分图象如图所示,则下列说法正确的是(    )

@@@835311c6-65b6-4add-a157-d177e167fe8b

A.eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f最小正周期为eqId35e2d7c958e99bcd9d7f251c19ee3544

B.函数eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f的图象关于直线eqId73e4f6a44c5cf678f1c0d03589084203对称

C.函数eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f在区间eqId5e9d46b0b375976e26888158840118fd上单调递增

D.函数eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f在eqIdcfbd2539a2607d3fd4537a90d92344a1上有3个零点

二、多选题(每题6分,共18分,少选得部分分,多选错选不得分)

9.在菱形纸片eqId411b38a18046fea8e9fab1f9f9b80a5f中,E,F分别为eqId03902478df1a55bc99703210bccab910,eqId0dc5c9827dfd0be5a9c85962d6ccbfb1的中点,O是菱形eqId411b38a18046fea8e9fab1f9f9b80a5f的中心,eqIdfcd0ced286a0fbc7e4862f8147264277,eqId8d7bce5b3862e12e5c7d206c35052471,将菱形纸片eqId411b38a18046fea8e9fab1f9f9b80a5f沿对角线eqId60ef95894ceebaf236170e8832dcf7e3折成直二面角,以O为原点,eqIdb90e0f35eda1a729fed485f83da5ea9d,eqId828628c0876b45381c9a0edeb0fec236,eqId683c590673eece14fea3319c4fd5eb55所在的直线分别为x轴、y轴、z轴,建立如图所示的空间直角坐标系,则(    )

@@@c5524a79-7e5c-4f7d-af0b-ad2f1b3b74f6  

A.eqId4241f7a84caaae24eea4c20dc29f885f B.eqId9d412eda9a8740cb917822bdbf74861a

C.eqIda15f5b054f0859fef1429bf88e8f7cb0 D.eqIdb1aa81ed28f2ad9e42cc8a17ba6bfb84

10.已知直线eqId0f85fca60a11e1af2bf50138d0e3fe62:eqId6767830cc1811f0f4ea5a008fdc7e723与圆eqIdc5db41a1f31d6baee7c69990811edb9f:eqId30093078a92ef2c2d79ab24d82b7b013,则下列说法正确的是(    )

A.直线eqId0f85fca60a11e1af2bf50138d0e3fe62恒过定点eqId7160d93f92089ef36f3dab809d3114b8

B.当eqId5095a28bb1b91bf6bed9e2cfbd76bb18时,直线eqId0f85fca60a11e1af2bf50138d0e3fe62与圆eqIdc5db41a1f31d6baee7c69990811edb9f相切

C.当eqIda882037b9ce104ecc496e0f31a139361时,直线eqId0f85fca60a11e1af2bf50138d0e3fe62与圆eqIdc5db41a1f31d6baee7c69990811edb9f相交

D.当eqIdf8e69866076dcff686a05e9e91e61e68时,直线eqId0f85fca60a11e1af2bf50138d0e3fe62与圆eqIdc5db41a1f31d6baee7c69990811edb9f相离page number 1

 

试卷第2页(共1页)

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11.已知随机事件eqId5963abe8f421bd99a2aaa94831a951e9、eqId7f9e8449aad35c5d840a3395ea86df6d发生的概率分别为eqIde0939ef11509776a412e36d9bbfd53f9,eqIdc76fe4137ef6ae3c52648398cf1bb9e7,则(   )

A.若eqId5963abe8f421bd99a2aaa94831a951e9与eqId7f9e8449aad35c5d840a3395ea86df6d互斥,则eqId1c065044e190ad8f134cb04d5b414ce1

B.若eqId5963abe8f421bd99a2aaa94831a951e9与eqId7f9e8449aad35c5d840a3395ea86df6d相互独立,则eqId676dc5b809223438197d879c833a6269

C.若eqIdc2ad78dc8b8aed907b4fe9640c997454,则eqId1c065044e190ad8f134cb04d5b414ce1

D.若eqIdaf3be0776c0093b2e2d3bf33dd44bd1d,则事件eqId21778974e8491fe2a158e70b459217be与eqId7f9e8449aad35c5d840a3395ea86df6d相互独立

三、填空题(每题5分,共15分)

12.已知向量eqId94c6981b27639f8db95c28b9749951ae,若eqIdf5288e281796657fb84bb4ea6296cdc9,则eqIdcc76161b3aebe8aced8b9b35d61bf105__________

13.已知平面内有eqIdbaaf13627819890607661d8eb55efa83,eqId210ef57eda39433ffafcd56ec80f8003,eqId5a35a1cae2f00184e4a4236b63afc5b5三点,则eqId15c0dbe3c080c4c4636c64803e5c1f76的外接圆的标准方程为___________.

14.如图,在边长为2的正方形eqId411b38a18046fea8e9fab1f9f9b80a5f中,点eqId2a30f3a8b673cc28bd90c50cf1a35281是eqIdf52a58fbaf4fea03567e88a9f0f6e37e的中点,点eqIda0ed1ec316bc54c37c4286c208f55667是eqId0dc5c9827dfd0be5a9c85962d6ccbfb1的中点,将eqIdc771a4feb150ad9cff8d70431c97eb17,eqId7b442da65c8a7c6b6e257cf78d77794c,分别沿eqIdafdb83869dc7a1064f49046819e5ba26折起,使eqIdce7af7c5df749c6fa9bbe87faa72c66d三点重合于点eqIda18722354086c42e62334983fc50eb6a,则三棱锥eqId629a08e1bd5d972fabc9d21229d9d414的体积是___________,三棱锥eqId629a08e1bd5d972fabc9d21229d9d414的内切球的体积是___________

@@@75b0a973-aa56-4eb2-bd02-6a67864dd666

四、解答题(共77分)

 

15(13分).在平面直角坐标系xOy中,已知eqId15c0dbe3c080c4c4636c64803e5c1f76的三个顶点eqId61e41aa57f5d1d4748a97bc7f998c140.

(1)求BC边所在直线的一般式方程;

(2)若eqId15c0dbe3c080c4c4636c64803e5c1f76的面积等于2,且点eqId5963abe8f421bd99a2aaa94831a951e9在直线eqId2c5754303c50e412d0757a32f1abbb0e上,求点eqId5963abe8f421bd99a2aaa94831a951e9的坐标.

 

 

16(15分).学校在组织选拔数学弘毅班的过程中,对报名的50名学生进行了一次测试.已知参加此次测试的学生的分数eqIdcda4c6be5e39cc9b3bf4a25ea2c03588全部介于45分到95分之间(满分100分),学校将所有测试分数分成5组:eqId46cad116e629ef7912a71b7f31c9c74b,eqIdca161d31588bcb6508e38ebe701bfa38,eqId07096af3b99fd1cb11c31f19a2c6408e,eqId1f77d01bdd4235c7d390eb81f5e0da6e,整理得到如图所示的频率分布直方图(同组数据以这组数据的中间值作为代表).page number 2

 

试卷第3页(共1页)

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