2026-2027学年高三上学期第三次月考模拟数学试卷(辽宁省鞍山市)

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辽宁省2026-2027学年上学期第三次月考模拟卷1

第一部分(选择题 共58分)

 

一、单选题: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.已知集合eqId707e8858aba25cb90933f5dcf954e5e3,eqIdb0d4895a7d89c63d5bb5a80cbd3168f9,则eqIdb79ec6fe93dfeeedc8f70542c31b0105(     )

A.eqId84fdf3c30589a45f3e58dae9bd7650a6 B.eqId7789b0de89a4012c6c32e48d8f06b32d C.eqIdcd164e70ba920213ca59adc1991f7a71 D.eqIdb69ad3a2407cc385ad9e906cee42f65c或eqId7a30dc78173108e686befc9c296e3ccd

2.若eqId0a6936d370d6a238a608ca56f87198de,eqId7f515a2b16232d8c17df0a03a9f835d0,则eqId485a2d99320384a0857b00ce9ab9e990是eqId1dd00e2f6802c99fb624aa77ebe17d68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

3.已知曲线eqId4f38a340d52c6a7c6842b50c90c11ecf在点eqId3b2c84e7b41a841a230ed5f8a42309aa处的切线方程为eqId08b9f0b9e53a83e68f5fec944f343119,则eqId380bbacf854e30e2e747fc286d2b9997(     )

A.2 B.3 C.4 D.6

4.已知函数eqId8665842489bc1b588fa43d34730fd1d8,(eqId13378be06b6b01bcad1d261ff14e87cf,eqIda4456675a5dbe545462a22cef9aca8fe,eqId29e1734dcc7697235124fbaba4ba6033)的部分图象如图所示,则下列结论正确的是(     )

@@@e3b3db3b-d9e0-4d92-9654-028c0d766611

A.eqIdba8a1119ceb5cd8291504bead1a6730d

B.将eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f的图象向右平移eqIdac1a63ab608517bb10aa036783dfb51f个单位,再将所有点的横坐标变为原来2倍,得到eqId028517e8bebe634441e0a5c79828e88a的图象,则eqId662084cfa3d8f80466e303453720c300

C.eqIdd275fbb3ee5cd1177ca5a2ceecbbef0f的对称中心为eqId0659485867997a9740a85d6ce882a858,eqId56c5ad1eae92972907b41b66bc6c4a93

D.若eqIde2c2d5961e84803d01ad1fa231a3bb09,且eqIdabf7c745cd02f4620a175cf00ec85e69,则eqIda1d30f47e3bad98dfeb0885b6e4fa702

5.我国自主研制的JF-22超高速风洞,是航空航天高端研发的国之重器.在风洞平面流场研究中,取平面内一组不共线的单位气流矢量eqId2868a9fe011f56a80c9d1a8ee4604d59,eqId36fe4e713c108e118522a99ecd683924作为平面基底,风洞内某位置的合气流矢量eqId7a2f4b1178f68bd147d1a2a6acd04435可以唯一表示为eqId1cd9620a6ce8dfe24cb0a4a489fd410c,已知基底矢量eqId2868a9fe011f56a80c9d1a8ee4604d59与eqId36fe4e713c108e118522a99ecd683924的夹角为eqIdc0211da37e92f915e781691296578ba0,且合气流矢量eqId7a2f4b1178f68bd147d1a2a6acd04435与基底矢量eqId2868a9fe011f56a80c9d1a8ee4604d59相互垂直,则eqIde7b741079eb5792a67559baa9b098684(   )

A.eqId860884c0017c8bceb5b0edff796c144f B.eqIda4b8503f4706b8321e4e79a87eadea84 C.eqIda7ffe8515ff6183c1c7775dc6f94bdb8 D.3

6.若数列eqIde976c0663fa749ca749f99842d21ca03满足:从第二项起,每一项与它的前一项的差依次排成一列,组成的新数列是一个公差为eqIde170f206fdbbd834aad7580c727e2cc6的等差page number 0

 

试卷第2页(共2页)

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数列,则称数列eqIde976c0663fa749ca749f99842d21ca03为“eqIde170f206fdbbd834aad7580c727e2cc6—等差数列”.已知eqId83cf38189d5cbf627d2b82ac0eb76006为“eqId5ca7d1107389675d32b56ec097464c14—等差数列”,且eqIdb065334d8f60c49f4bd3d9f1373fe4cd,eqId18d8e8f821111de8075e5c3dfb22a5d6,则eqId0382b4a2ab0657d2d6830bb6be2b17b6(     )

A.eqIdf76fba0fe83cf0aa9a68210591cac1a0 B.eqId332e71982612ea86c28b9f2054b1045c

C.eqId83fd1dadbe1b2cafc0cf8b5bb8b18ed9 D.eqId7056d634173cbee2a7375265bd9cb604

7.已知eqId08115d6d9f876dea921a4d32260ff1fb,eqId061813f1ec633c5c4c393c4de7938322,eqId7ff16f02559e1312c183861c5526e560,则(    )

A.eqId6f29d5f376c75c41ae6af0c8a8565449的最小值为eqIdf4700efcb84c4027ce7a50af0d5212fc B.eqId2736f4661f02df6538e3e3b7f916fb3f的最小值为eqId38387ba1cadfd3dfc4dea4ca9f613cea

C.eqId33814227e251e03a77bec5bd7d5af3d1的取值范围是eqIdbe67be8d9fcb136dcd7bbc3af68da0e4 D.eqIdee778d6b54b389dcec81cad7d493466f的最小值为4

8.抛物线上任意两点eqId5963abe8f421bd99a2aaa94831a951e9,eqId7f9e8449aad35c5d840a3395ea86df6d处的切线交于点eqIddad2a36927223bd70f426ba06aea4b45,称eqId2205cffebf8c4d5f81d15ed7b85c8936为“阿基米德三角形”,当线段eqIdf52a58fbaf4fea03567e88a9f0f6e37e经过抛物线焦点eqIda0ed1ec316bc54c37c4286c208f55667时,eqId2205cffebf8c4d5f81d15ed7b85c8936具有以下特征:(1)eqIddad2a36927223bd70f426ba06aea4b45点必在抛物线的准线上;(2)eqId2205cffebf8c4d5f81d15ed7b85c8936为直角三角形,且eqId83640592853a53872d7af69c0cffc1bb;(3)eqIdc80406e8beb743b122bd7b021671c780.已知过抛物线eqIdd6fdedd1db38755989cd462c151f5106焦点的直线eqId0f85fca60a11e1af2bf50138d0e3fe62与抛物线交于eqId5963abe8f421bd99a2aaa94831a951e9,eqId7f9e8449aad35c5d840a3395ea86df6d两点,过点eqId5963abe8f421bd99a2aaa94831a951e9,eqId7f9e8449aad35c5d840a3395ea86df6d处的切线交于点eqIddad2a36927223bd70f426ba06aea4b45,若点eqIddad2a36927223bd70f426ba06aea4b45的横坐标为eqId61128ab996360a038e6e64d82fcba004,则直线eqIdf52a58fbaf4fea03567e88a9f0f6e37e的方程为(    )

A.eqId07225849d13e453ce2efbac7d5cfc0b1 B.eqId2b0f8418c1ade0ef173543c3c4504714

C.eqIde176f6583d978816a3a89cba964f7faf D.eqIda24f18f14c17f8d6432955c537e8f653

二、多选题: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eqId5a1dad15f7362c65e1ad1236fd392a71是关于eqId81dea63b8ce3e51adf66cf7b9982a248的方程eqId8a0342195c134d540f32c6e192465636(eqIdb1010846eeec6c9da29640f5aa3f8738,eqIdf9dd3d2b2e6a989d52301fecc39eb74b)的一个根,另一个根记作eqIdfa224ed9be8766a4d0b5138bd57de0f0,则(   )

A.eqId13bdfd18dfe5b7e889ebfd93de5068e5,eqIdca97224a85b7d11168219c61c6143e43 B.eqIdebe3cb7e0694744d1e8a592592931642

C.eqId01a6707805b36c3528266ba2593183af D.eqId1a5181e185e248f20e8f102f4d83b33a

10.已知圆eqId1dde8112e8eb968fd042418dd632759e:eqIda5f5d967ad135991b6075ee45df55643,eqIdc5db41a1f31d6baee7c69990811edb9f:eqIde8798b355ecafa1b6f46bff27caf46a3,两圆相交于eqId5963abe8f421bd99a2aaa94831a951e9,eqId7f9e8449aad35c5d840a3395ea86df6d两点,eqId4c553d8bfe4721ac587c867416d1528b,eqId3252b27660dbd50af37ed270dd976191,eqIddad2a36927223bd70f426ba06aea4b45为圆eqIdc5db41a1f31d6baee7c69990811edb9f上的动点,则(     )

A.eqId3b683092fd0789c3e3a6813cf3f1648f B.直线eqIdef4113c492885ba7c47fe42ac792578f与圆eqIdc5db41a1f31d6baee7c69990811edb9f相切

C.直线eqId0dc5c9827dfd0be5a9c85962d6ccbfb1与圆eqId1dde8112e8eb968fd042418dd632759e相切 D.eqId99205058d5e740697df633d95fd4eb15为定值

11.已知函数eqId6f024d8488f5e15d7be4f640ae1ac476,则(     )

A.函数eqIdcfbd9b2c33ae11831377f140b728ca50的最小值为eqId4e8b4bbd2f9912adfc9864c0e1e76a9d

B.eqIdef4c1dca14c24d7ca283d57f67f204fc是函数eqIdc9ebe7093513cb221abf64c109db3617的一个周期

C.函数eqIdbbee56b2b9990c5b61ade1445d3ec63f在eqId3faf88212953456d527dcd3af53ccb31上单调递增

D.eqId83986d667f7618313804888470393a67,eqId25eda70c626e953988e85c2d5dd05dad

第二部分(非选择题 共92分)page number 1

 

试卷第2页(共1页)

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三、填空题:本题共3小题,每小题5分,共15分。

12.已知eqId3f9a68fda04e9a8f9266a7dcd2084119,则eqIde88d89d8ac3bf2d9fd22281d3e192155______.

13.已知空间向量eqIda34facc5147f1792aeedeeb822e99d0a,eqId2390544d7393c081f8a239d56df22085,若eqId7a2f4b1178f68bd147d1a2a6acd04435与eqIdc94075193c11fe43f2396cff5a485054的夹角是钝角,则eqId294f5ba74cdf695fc9a8a8e52f421328的取值范围是________.

14.已知eqIdc814128ea2139e33db94ea590e7c2223,eqIdaec19b68e3add9d5bfcc6269a1855b87分别是函数eqId359a47978894d81bc75c4f8e61b3740c和eqId7bd0d27f237448d1424a67ca84ab10b2的零点,则eqId5e73d68e596994001c83c2b5bd232a72________.

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.在面积为S的eqId15c0dbe3c080c4c4636c64803e5c1f76中,内角A,B,C所对的边分别为a,b,c,且eqIdf4fff58051764b006b590ab731544cf4.

(1)若eqId3ae7e59e7d1e6814416c15d8abaa8d3b,试判断eqId15c0dbe3c080c4c4636c64803e5c1f76的形状,并说明理由;

(2)若eqId03837b3769eda7f0d3804cc5ad4a6d60,则eqId15c0dbe3c080c4c4636c64803e5c1f76的面积为eqIda7ffe8515ff6183c1c7775dc6f94bdb8,求eqId0a6936d370d6a238a608ca56f87198de,eqId071a7e733d466949ac935b4b8ee8d183的值;

(3)若eqId15c0dbe3c080c4c4636c64803e5c1f76为锐角三角形,求eqId5a8080fef9bdfa92ae70f3e314eef3e3的取值范围.

16.如图,已知等腰梯形eqId411b38a18046fea8e9fab1f9f9b80a5f中,eqId34e0a957a55460c72673c0f2ee90dbb3,eqIdabfb2735e1683a6ae86b5b97a0032e4f,eqId2a30f3a8b673cc28bd90c50cf1a35281是eqId0dc5c9827dfd0be5a9c85962d6ccbfb1的中点,eqId619e1e12cc9037b65ec7ee72160e9022,将eqIdad09a769a75b107390b9eeccc929f761沿着eqId68a83fdd2ba72a2dba0b6b10bb3e06b9翻折成eqId8f38a857b9fabe179c565feb88de4175,使eqId2e21b3c5a71df7c74739468de3553057平面eqIdd6bfad3f7e65188bcf7f62ea5acdbf4a.

@@@4729372f-d31c-49b1-9119-cf773f72959a

(1)求证:eqId97f30533da2e1d2a958dc906c37eba9d平面eqIdacbee3d2962bee74bf65ad4e71bca155;

(2)求平面eqId257f33a7c02e440407ae57dc42de06e6与平面eqIdefb87785b2842459c59b2571aac7374b夹角的余弦值;

(3)在线段eqIdd7f6f93171329d508d491143b9d71f7b上是否存在点eqIddad2a36927223bd70f426ba06aea4b45,使得eqId17e5e2ba78a5b1dd0f39bb65d2a0a0f8平面eqIdefb87785b2842459c59b2571aac7374b,若存在,求出eqId3324bc6bf263ca1feeaf1b61eddab330的值;若不存在,说明理由.

17.已知等差数列eqId83cf38189d5cbf627d2b82ac0eb76006的前n项和为eqId08eb71ecf8d733b6932f4680874dbbf3,数列eqId034ba25825c13725931c483aa47c9363是等比数列,eqIdebaf2a2590bb84d646957f913d78f6dc,eqId3bf3f98ef29e2eac7d484465f3a66d07,eqId9e19cec6f1ad1b8849ade81f655403bb.

(1)求数列eqId83cf38189d5cbf627d2b82ac0eb76006和eqId034ba25825c13725931c483aa47c9363的通项公式;

(2)对任意的正整数n,设eqId7b0fa5c97363fafdde1dabe0c69b3a18,求数列eqId57ef6d44448092ebdb9e4a49d866a749的前2n项和eqIdfbd85b79372dc6e596d465f738c3c300;

(3)若对于数列eqId83cf38189d5cbf627d2b82ac0eb76006,在eqId5f255d0395fba51ca2d44293cca42e0a和eqId217b927efe12a98e1082ecd7f035b921之间插入eqId51f0264a379802edcf7d2a030f02606e个1(eqIdcad52924df9291d5d191d18e09374ee1),组成一个新的数列eqIdb783cf91e34e692ce8e171f0965cb53f,求数列eqIdb783cf91e34e692ce8e171f0965cb53f的前2026项和.

18.已知函数eqId35709eff1d8e5da01a8c6b0b1acdd698.

(1)若函数eqId4fe7d5809da02c15a43a0e9a898b9086在eqId9b384412acba251d87902ab928902f16处的切线平行于直线eqIdd77f5191798242b7b9b88a75e17e4425,求实数eqId0a6936d370d6a238a608ca56f87198de的值;

(2)若方程eqIdc2161dea71c4f8475d62d6421960e892在eqId835eec12ec99561a3655c296570d75be上恰有3个不相等的实数解,求实数eqId0a6936d370d6a238a608ca56f87198de的取值范围;page number 2

 

试卷第3页(共1页)

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