福建泉州第五中学2026届高三下学期5月数学模拟练习4

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福建省泉州市第五中学2026届高三下学期5月数学模拟练习4

 

一、单选题

1.若复数eqIde81e59019989b7dc2fb59b037ef6e010满足eqIdbee5001b02a12e40916cb9401931ffd3,则eqIdc7e0aeeb125cfb42e33094594d4381f5(    )

A.1 B.eqIdcf298f00799cbf34b4db26f5f63af92f C.eqIda7ffe8515ff6183c1c7775dc6f94bdb8 D.2

2.已知点eqId115a0c87ac14dbb770c95d74d6e26073在抛物线eqId37ab7408ffcefcb8e5e1ad4a9c58f1b1的图象上,eqIda0ed1ec316bc54c37c4286c208f55667为eqIdc5db41a1f31d6baee7c69990811edb9f的焦点,则eqIdff24d4627c643c5aeee873c6e1e626aa(    )

A.eqIdcf298f00799cbf34b4db26f5f63af92f B.2 C.3 D.eqId95bacae35b6e16a0a33c2bdc6bc07df7

3.设eqId76f0649064a085fb74c997fb507a9b6d的平均数为eqIdac047e91852b91af639feec23a9598b2,eqId0a6936d370d6a238a608ca56f87198de与eqId2c94bb12cee76221e13f9ef955b0aab1的平均数为eqId54a5d7d3b6b63fe5c24c3907b7a8eaa3,eqId54a5d7d3b6b63fe5c24c3907b7a8eaa3与eqId071a7e733d466949ac935b4b8ee8d183的平均数为eqIddad2a36927223bd70f426ba06aea4b45.若eqIdce613eaa5df46a50174085ef5d1087fb,则(    )

A.eqId7b9d288c26000b75a8ea556f0c475101 B.eqIda6286380d70ddbcb29fb79dfb2479932

C.eqId8f659cd53fef1cef13b6747c4fcd56a1 D.eqId980f1342a7eb5c7bb1c6a20ed94d7bfb

4.两圆eqIdf240cccaf24af8a796abb95cb42be52e与eqId01b0a5e49d8e16b12927798d88e4e314的公共弦长为(    )

A.eqId8d5989c84e320b504511f23eeb6e7357 B.eqIdcf298f00799cbf34b4db26f5f63af92f C.eqIdf89eef3148f2d4d09379767b4af69132 D.1

5.比较两组测量尺度差异较大数据的离散程度时,常使用离散系数,其定义为标准差与均值之比.某地区进行调研考试,共10000名学生参考,测试结果(单位:分)近似服从正态分布,且平均分为57.4,离散系数为0.36,则全体学生成绩的第84百分位数约为(    )

附:若随机变量eqId0d8b9ad2fcfff3dd546c5fdbedfe6238服从正态分布eqId6ff4da7c2ebd11252522665f603488fc.

A.82 B.78 C.74 D.70

6.eqIdfa6acb2fe839d832baa1201f3eb75d49(   )

A.eqId38387ba1cadfd3dfc4dea4ca9f613cea B.eqIda7ffe8515ff6183c1c7775dc6f94bdb8 C.eqId61128ab996360a038e6e64d82fcba004 D.eqIdbdaa19de263700a15fcf213d64a8cd57

7.函数eqIdad2f4f7842320f9f002e66f87abfa555若eqId09f86f37ec8e15846bd731ab4fcdbacd有两个零点eqIdeb6dee5f684353f66554fa02af326acb的零点为eqId26445a27d5d4fd0b8c33bf912f7fbb09则关于eqId79b752f0f189e5d8666daea73e145dff的不等式不能成立的是(    )

A.eqId379deb0a22d766669244f63d4ccf037f B.eqIde572fd1b31dac79b6c21ef2f1fdc0ba8 C.eqId0466230dcd561970cc378e7631b785b1 D.eqIde69264c1535cf0ccdac2d186da669df9

8.在平面直角坐标系中,定义eqIdc913b3abbf53d81fcf25bf83d4ae3756为点eqIde2e3dcb7f9fa27f3d07d18a61d4bb36e到点eqId1c971815096aafba83743ab5e4c89d78的“折线距离”.点eqId1dde8112e8eb968fd042418dd632759e是坐标原点,点eqIdacc290b44635265137fdf13146b6a6d9在直线eqIdc8a39648cb8036d9773c2fcc145e6270上,点eqIddad2a36927223bd70f426ba06aea4b45在圆eqIdf240cccaf24af8a796abb95cb42be52e上,点eqId4aa0df7f1e45f9de29e802c7f19a4f64在抛物线eqId4d5545195ade2bda359e683715332e83上.下列结论中不正确的结论为(    )page number 0

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A.eqId03bcb3d0bea7a8b834bbbb1cbef7ab7a的最小值为2 B.eqIdd4298f459599feb1a5ed4dce607b8e3d的最大值为eqIdcf298f00799cbf34b4db26f5f63af92f

C.eqId32286c3865f06865920816e7685c497a的最小值为eqId31f8f7e40ba386c0a9675896b52752d6 D.eqId8fa5cd98069de2aad5946849389a6c9c的最小值为eqIde2f15dd49f3bbd1ddb30a38f6c46d9cd

 

二、多选题

9.如图,为测量海岛的高度eqIdf52a58fbaf4fea03567e88a9f0f6e37e以及其最高处瞭望塔的塔高eqId0dc5c9827dfd0be5a9c85962d6ccbfb1,测量船沿航线eqId67d822262ff00915910e5b87d81ad1ba航行,且eqId67d822262ff00915910e5b87d81ad1ba与eqId60ef95894ceebaf236170e8832dcf7e3在同一铅直平面内,测量船在eqId8455657dde27aabe6adb7b188e031c11处测得eqId9fa9ee4eff7a12b62b1c3ee3eac73241,eqId13edf4adea9f9aa4a02f73ac0b44da74,然后沿航线eqId67d822262ff00915910e5b87d81ad1ba向海岛的方向航行eqId294f5ba74cdf695fc9a8a8e52f421328千米到达eqId2a30f3a8b673cc28bd90c50cf1a35281处,测得eqId9e6c4a9ddf022f6e7eb6c516fb441f21,eqId39140e4c63940f8bc59261f120fe91d1(eqId132cf8d91971b3d1d7a1628db975e6fd,测量船的高度忽略不计),则(    )

@@@4be0a06a-3fd0-4654-898a-66ec7c5c40e6

A.eqIdc78125427c9d1c272df5c8f1a53ffd46 B.eqIded0752369cc7465e67b503026637bc96

C.eqId0ae03e8cf3361467e3dc846022dc337b D.eqId2ae0abf08c433a9d9f0f10117e796058

10.已知函数eqId5ef0489faacc66e47be1e54c9cc7bdd6,则(    )

A.eqId4fe7d5809da02c15a43a0e9a898b9086是偶函数 B.eqId4fe7d5809da02c15a43a0e9a898b9086的最小正周期为eqId35e2d7c958e99bcd9d7f251c19ee3544

C.eqId4fe7d5809da02c15a43a0e9a898b9086的最大值为eqIdb8860d9787671b53b1ab68b3d526f5ca D.eqId4fe7d5809da02c15a43a0e9a898b9086的最小值为eqIdc95b6be4554f03bf496092f1acdfbb89

11.已知椭圆eqIdd9c598b168c8dbea7bb89f2cdf3082f3为原点,过第一象限内椭圆外一点eqId7775aa57ca0e62216f3039ed88dceed0作椭圆的两条切线,切点分别为eqId01c74a907dda6bb7d9d56d009d9df253.记直线eqId32d2c924ee90d559f6667df030763e39的斜率分别为eqId3c65902e35640cf2c8d4111c36b40145,若eqIda7698e427dd00fcc8cb0bf48c30f28eb,则(    )

A.直线eqIdf52a58fbaf4fea03567e88a9f0f6e37e过定点 B.eqId8ae41ae529195d7283a71cd9b6089b9e为定值

C.eqId88c735361855735f96145ff0303374ac的最大值为2 D.eqId43139ce88d479846c173641637db0751的最小值为4

 

三、填空题

12.设集合eqId8b7cb579b6aa363b8057b81e959985da,eqIdf65eaebafb8d3adcc54713c1d9bf3d4d,若eqIdc2ad78dc8b8aed907b4fe9640c997454,则实数a的取值范围是______.

13.由样本数据eqIdfe8e1b34fa30163c873c932b0047c6af,求得回归直线方程为eqIdbd75fc094830d4082972af9e5e52e773,且eqId4b2c6aedcf24d25c60d9003776b233eb,若去除偏离点(4,10)后,得到新的回归直线方程为eqId5f38cebd80ade63e84fb6897b7ec6d3b,则去除偏离点后,相应于样本点eqId4bc387da3c10d0ffde2a41a935cc1331的残差值为______.

14.如图将一个矩形划分为如下的A、B、C、D、E、F六个区域,现用四种不同的颜色对这六个区域page number 1

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进行染色,要求边界有重合部分的区域(顶点与边重合或顶点与顶点重合不算)染上不同的颜色,并且每一种颜色都要使用到,则一共有__________种不同的染色方案.

@@@717a1b15-7b4b-4862-822b-8bca1cde641f

 

四、解答题

15.已知等差数列eqId83cf38189d5cbf627d2b82ac0eb76006的前n项和为eqId08eb71ecf8d733b6932f4680874dbbf3,且eqIdfddb4e22b75895e645a2e5bb37d92765,eqIdbda861dbb5e344b5596ba26af4dc4714.当eqIde145b6046bc80d0ffecc61ac67c87ca1时,eqIdba18194104d44382011c9a9c081332a9eqId1a3342ece8adb59cc293c0df1024da21.

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

(2)(ⅰ)若eqId98eb4e7a6e93aae3774ea34f070eb8ba,求数列eqId57ef6d44448092ebdb9e4a49d866a749的前n项和eqIdf1ae9a3b0b7aeb1545b65d91aa371b3c;

(ⅱ)根据(ⅰ)试求出eqIdf1ae9a3b0b7aeb1545b65d91aa371b3c的最小值.

 

 

16.盒中有标记数字eqIde0a97321c136e0af913c3eb2d52d4492的小球各1个.

(1)随机一次取出3个小球,求3个小球上的数字之和大于10的概率;

(2)随机一次取出1个小球并记录下小球上的数字,重复以上操作,直到记录下的数字中同时出现1和2或者同时出现3和4.记操作的次数为eqIdf022950e0faa45b617d497b01b5292b9.

(i)若每次操作后不将取出的小球放回盒中,求eqIdf022950e0faa45b617d497b01b5292b9的分布列及数学期望eqId5bf3baba074e8aeb6f3ea117865bbd1b;

(ii)若每次操作后将取出的小球放回盒中,求eqIdf022950e0faa45b617d497b01b5292b9的数学期望eqId5bf3baba074e8aeb6f3ea117865bbd1b.

 

 

17.点eqId5963abe8f421bd99a2aaa94831a951e9为直线eqIda089c207e39a24d0d82aa853ac2bbb8c上的动点,eqId1dde8112e8eb968fd042418dd632759e为坐标原点,过点eqId5963abe8f421bd99a2aaa94831a951e9作直线eqId0f85fca60a11e1af2bf50138d0e3fe62垂直于eqIdd053b14c8588eee2acbbe44fc37a6886轴,过点eqId1dde8112e8eb968fd042418dd632759e作直线eqIdef4113c492885ba7c47fe42ac792578f的垂线交直线eqId0f85fca60a11e1af2bf50138d0e3fe62于点eqIddad2a36927223bd70f426ba06aea4b45.

(1)求点eqIddad2a36927223bd70f426ba06aea4b45的轨迹方程;

(2)记eqIddad2a36927223bd70f426ba06aea4b45点轨迹为曲线eqIdc5db41a1f31d6baee7c69990811edb9f,eqIdc5db41a1f31d6baee7c69990811edb9f上一定点eqId7f9e8449aad35c5d840a3395ea86df6d,过eqId7f9e8449aad35c5d840a3395ea86df6d作两不同直线分别交eqIdc5db41a1f31d6baee7c69990811edb9f于eqId7789a500686c7a73770404ead6af0590两点,

①直线eqIdca0d4421145e4f48f7cb3f28a003daa6的斜率满足eqId6e396705c69d687b153c7756ea49c833,且直线eqId411461db15ee8086332c531e086c40c7过点eqId5bad9a4a9365dc43f23c27b9a64426a3,求定点eqId7f9e8449aad35c5d840a3395ea86df6d坐标;page number 2

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