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2023屆高考數(shù)學(xué)預(yù)測猜題卷新高考一、單項選擇題:本題共8個小題,每小題5分,共40分.在每小題給出的四個選項中,只有一項是符合題目要求的.1.若集合SKIPIF1<0,SKIPIF1<0,則SKIPIF1<0()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0或SKIPIF1<02.若復(fù)數(shù)z滿足SKIPIF1<0,則復(fù)數(shù)z的虛部為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.SKIPIF1<0的展開式中SKIPIF1<0的系數(shù)是()A.SKIPIF1<0 B.0 C.35 D.704.已知A,B是拋物線SKIPIF1<0上兩個不同的點,F(xiàn)為拋物線的焦點,G為SKIPIF1<0的重心.若SKIPIF1<0,則SKIPIF1<0的最小值為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.設(shè)SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.已知函數(shù)SKIPIF1<0的最小正周期為SKIPIF1<0,且SKIPIF1<0的圖象經(jīng)過點SKIPIF1<0和SKIPIF1<0,則SKIPIF1<0的最大值為()A.1 B.SKIPIF1<0 C.SKIPIF1<0 D.27.已知四棱錐SKIPIF1<0,底面ABCD為矩形,側(cè)面SKIPIF1<0平面ABCD,SKIPIF1<0,SKIPIF1<0,若點M為PC的中點,則下列說法正確的是()A.SKIPIF1<0平面PCDB.SKIPIF1<0平面MBDC.四棱錐SKIPIF1<0外接球的表面積為SKIPIF1<0D.四棱錐SKIPIF1<0的體積為68.已知定義在SKIPIF1<0上的奇函數(shù)SKIPIF1<0滿足SKIPIF1<0,當SKIPIF1<0時,SKIPIF1<0,則當函數(shù)SKIPIF1<0在SKIPIF1<0上有三個零點時,SKIPIF1<0的取值范圍是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0二、多項選擇題:本題共4小題,每小題5分,共20分.在每小題給出的選項中,有多項符合題目要求.全部選對的得5分,有選錯的得0分,部分選對的得2分.9.為了加深師生對黨史的了解,激發(fā)廣大師生知史愛黨、知史愛國的熱情,某校舉辦了“學(xué)黨史、育文化”暨“喜迎黨的二十大”黨史知識競賽,并將師生的競賽成績(滿分100分,成績?nèi)≌麛?shù))整理成如圖所示的頻率分布直方圖,則下列說法錯誤的是()A.a的值為0.005 B.這組數(shù)據(jù)的極差為60C.樣本數(shù)據(jù)的平均數(shù)為70 D.這組數(shù)據(jù)的第85百分位數(shù)為8610.已知等差數(shù)列SKIPIF1<0的前n項和為SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0,SKIPIF1<0,SKIPIF1<0成等比數(shù)列,則下列結(jié)論正確的是()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<011.在正方體SKIPIF1<0中,過AB作垂直于SKIPIF1<0的平面交平面SKIPIF1<0于直線l,M是直線l上的動點,則()A.SKIPIF1<0B.SKIPIF1<0C.點M到平面SKIPIF1<0的距離等于AB的長D.直線SKIPIF1<0與直線CD所成角的余弦值的最大值是SKIPIF1<012.已知圓SKIPIF1<0,P為x軸上的一個動點,過點P作圓M的兩條切線,切點分別為A和B,直線AB與MP交于點C,則下列結(jié)論中正確的是()A.四邊形PAMB周長的最小值為SKIPIF1<0B.SKIPIF1<0的最小值為SKIPIF1<0C.若SKIPIF1<0,則SKIPIF1<0的面積為SKIPIF1<0D.若SKIPIF1<0,則SKIPIF1<0的最大值為SKIPIF1<0三、填空題:本題共4小題,每小題5分,共20分.13.已知角SKIPIF1<0的頂點與原點重合,始邊與x軸正半軸重合,終邊過點SKIPIF1<0,則SKIPIF1<0_________.14.在梯形ABCD中,SKIPIF1<0,E是BC的中點,若SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0,則SKIPIF1<0_________.15.已知O為坐標原點,雙曲線SKIPIF1<0的左、右頂點分別為M,N,右焦點為SKIPIF1<0,若過點SKIPIF1<0的直線與E交于A,B兩點(A在x軸上方),直線MA,NB與y軸分別相交于點C,D,則SKIPIF1<0________.16.已知函數(shù)SKIPIF1<0,若存在唯一整數(shù)SKIPIF1<0,使得SKIPIF1<0成立,則實數(shù)a的取值范圍為_________.四、解答題:本題共6小題,共70分.解答應(yīng)寫出文字說明、證明過程或演算步驟.17.(10分)在SKIPIF1<0中,角A,B,C的對邊分別為a,b,c,SKIPIF1<0,SKIPIF1<0的外接圓半徑為SKIPIF1<0.(1)求角A;(2)求SKIPIF1<0周長的最大值.18.(12分)已知數(shù)列SKIPIF1<0的各項均不為零,SKIPIF1<0,前n項和SKIPIF1<0滿足SKIPIF1<0.(1)求證:數(shù)列SKIPIF1<0是等差數(shù)列;(2)記SKIPIF1<0,求數(shù)列SKIPIF1<0的前n項和SKIPIF1<0.19.(12分)某校課題組選取高一兩個班級開展對“數(shù)學(xué)問題鏈深度設(shè)計”的研究,其中A班為常規(guī)教學(xué)班,B班為課改研究班.在一次期末考試后,對A,B兩班學(xué)生的數(shù)學(xué)成績(單位:分)進行分析,滿分150分,規(guī)定:小于120分為不優(yōu)秀,大于或等于120分為優(yōu)秀.已知A,B兩班學(xué)生的數(shù)學(xué)成績的頻數(shù)分布統(tǒng)計表如下:A班:分組SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0100分以下頻數(shù)481012124B班:分組SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0100分以下頻數(shù)612141062(1)由以上統(tǒng)計數(shù)據(jù)填寫下面的SKIPIF1<0列聯(lián)表,并根據(jù)小概率值SKIPIF1<0的獨立性檢驗,能否認為成績是否優(yōu)秀與課改研究有關(guān)?A班B班總計優(yōu)秀不優(yōu)秀總計(2)從A,B兩班里成績在100分以下的學(xué)生中任意選取2人,記X為2人中B班的人數(shù),求X的分布列及數(shù)學(xué)期望.附:SKIPIF1<0,SKIPIF1<0,SKIPIF1<00.10.050.0250.012.7063.8415.0246.63520.(12分)如圖,在直四棱柱SKIPIF1<0中,側(cè)面SKIPIF1<0是邊長為2的正方形,底面ABCD是直角梯形,SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0.(1)求證:平面SKIPIF1<0平面SKIPIF1<0;(2)已知點M是棱SKIPIF1<0的中點,求二面角SKIPIF1<0的余弦值.21.(12分)已知函數(shù)SKIPIF1<0,.(1)若在SKIPIF1<0上單調(diào)遞增,求a的取值范圍;(2)若,證明:.22.(12分)已知橢圓SKIPIF1<0的右焦點為SKIPIF1<0,離心率為SKIPIF1<0,過SKIPIF1<0的直線SKIPIF1<0與橢圓C交于M,N兩點,且當原點O到直線SKIPIF1<0的距離最大時,SKIPIF1<0.(1)求橢圓C的標準方程;(2)過原點O且垂直于直線SKIPIF1<0的直線SKIPIF1<0與橢圓C相交于P,Q兩點,記四邊形PMQN的面積為S,求SKIPIF1<0的取值范圍.2023屆高考數(shù)學(xué)預(yù)測猜題卷新高考參考答案一、單項選擇題1.答案:D解析:依題意得,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則SKIPIF1<0或SKIPIF1<0.故選D.2.答案:B解析:設(shè)SKIPIF1<0,則SKIPIF1<0,因為,則,所以,解得SKIPIF1<0,因此,復(fù)數(shù)z的虛部為SKIPIF1<0.故選B.3.答案:C解析:SKIPIF1<0的展開式的通項為SKIPIF1<0,其中SKIPIF1<0項的系數(shù)為SKIPIF1<0,SKIPIF1<0項的系數(shù)為SKIPIF1<0,則SKIPIF1<0的展開式中SKIPIF1<0的系數(shù)為SKIPIF1<0.故選C.4.答案:B解析:SKIPIF1<0,SKIPIF1<0,設(shè)SKIPIF1<0,過點A作拋物線準線的垂線,垂足為SKIPIF1<0,SKIPIF1<0.故選B.5.答案:A解析:由題可知,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,令SKIPIF1<0,則SKIPIF1<0,所以當SKIPIF1<0時,SKIPIF1<0,所以SKIPIF1<0在SKIPIF1<0上單調(diào)遞減,所以SKIPIF1<0,所以SKIPIF1<0,故選A.6.答案:B解析:因為SKIPIF1<0的最小正周期為SKIPIF1<0,所以SKIPIF1<0,即SKIPIF1<0,故SKIPIF1<0,所以SKIPIF1<0,即SKIPIF1<0,又SKIPIF1<0,所以SKIPIF1<0,故SKIPIF1<0,又SKIPIF1<0的圖象經(jīng)過點SKIPIF1<0,所以SKIPIF1<0,所以SKIPIF1<0,故SKIPIF1<0的最大值為SKIPIF1<0.故選B.7.答案:B解析:如圖,在四棱錐SKIPIF1<0中,因為側(cè)面SKIPIF1<0平面ABCD,平面SKIPIF1<0平面SKIPIF1<0SKIPIF1<0,SKIPIF1<0,所以SKIPIF1<0平面PCD,因為過點B只能作一條直線與已知平面垂直,故A錯誤;連接AC,交BD于點O,連接MO,在SKIPIF1<0中,SKIPIF1<0,又SKIPIF1<0平面MBD,SKIPIF1<0平面MBD,所以SKIPIF1<0平面MBD,故B正確;取CD中點N,連接PN,ON,NM,在矩形ABCD中,易得SKIPIF1<0,所以SKIPIF1<0,SKIPIF1<0,在SKIPIF1<0中,SKIPIF1<0,易知SKIPIF1<0平面PCD,所以SKIPIF1<0,在SKIPIF1<0中,SKIPIF1<0,所以SKIPIF1<0,所以O(shè)為四棱錐SKIPIF1<0外接球的球心,半徑為3,所以其外接球的表面積為SKIPIF1<0,故C不正確;四棱錐SKIPIF1<0的體積是四棱錐SKIPIF1<0的體積的一半,因為SKIPIF1<0,側(cè)面SKIPIF1<0平面ABCD,平面SKIPIF1<0平面SKIPIF1<0SKIPIF1<0,所以SKIPIF1<0平面ABCD,SKIPIF1<0,所以四棱錐SKIPIF1<0的體積SKIPIF1<0,故D錯誤.故選B.8.答案:D解析:因為SKIPIF1<0,所以SKIPIF1<0的周期為2.因為SKIPIF1<0為奇函數(shù),所以SKIPIF1<0,則SKIPIF1<0,又SKIPIF1<0,所以SKIPIF1<0.當SKIPIF1<0時,SKIPIF1<0.由SKIPIF1<0單調(diào)遞減得函數(shù)SKIPIF1<0在SKIPIF1<0上單調(diào)遞增,所以在SKIPIF1<0上,SKIPIF1<0,得SKIPIF1<0,作出函數(shù)SKIPIF1<0的圖象如圖所示.當直線SKIPIF1<0經(jīng)過點SKIPIF1<0時,SKIPIF1<0,當直線SKIPIF1<0過點SKIPIF1<0時,SKIPIF1<0,當直線SKIPIF1<0經(jīng)過點SKIPIF1<0時,SKIPIF1<0,所以數(shù)形結(jié)合知,當函數(shù)SKIPIF1<0在SKIPIF1<0上有三個零點時,SKIPIF1<0或SKIPIF1<0.故選D.二、多項選擇題9.答案:BC解析:對于A,由SKIPIF1<0,得SKIPIF1<0,故A正確;對于B,由頻率分布直方圖無法得到這組數(shù)據(jù)的最大值和最小值,故無法準確判斷這組數(shù)據(jù)的極差,故B錯誤;對于C,樣本數(shù)據(jù)的平均數(shù)SKIPIF1<0SKIPIF1<0,故C錯誤;對于D,設(shè)這組數(shù)據(jù)的第85百分位數(shù)為m,則SKIPIF1<0,解得SKIPIF1<0,故D正確.故選BC.10.答案:ABC解析:對于A,由題可得SKIPIF1<0,解得SKIPIF1<0,所以SKIPIF1<0,故A正確;對于B,SKIPIF1<0,故B正確;對于C,由SKIPIF1<0,SKIPIF1<0,SKIPIF1<0成等比數(shù)列得,SKIPIF1<0,又SKIPIF1<0,所以SKIPIF1<0,故SKIPIF1<0,結(jié)合SKIPIF1<0可解得SKIPIF1<0,故C正確;對于D,SKIPIF1<0,所以SKIPIF1<0SKIPIF1<0,故D錯誤.故選ABC.11.答案:BC解析:如圖,易知SKIPIF1<0,SKIPIF1<0,所以平面SKIPIF1<0即為過AB且垂直于SKIPIF1<0的平面,它和平面SKIPIF1<0的交線為SKIPIF1<0,顯然SKIPIF1<0,即SKIPIF1<0,故A錯誤,B正確;對于C,點M在SKIPIF1<0上,而SKIPIF1<0平面SKIPIF1<0,所以點M到平面SKIPIF1<0的距離不隨點M在SKIPIF1<0上的位置變化而發(fā)生變化,始終等于AB的長度,故C正確;對于D,建立如圖所示的空間直角坐標系,設(shè)SKIPIF1<0,則DSKIPIF1<0,CSKIPIF1<0,SKIPIF1<0SKIPIF1<0,點M在SKIPIF1<0上,可設(shè)SKIPIF1<0,則SKIPIF1<0,SKIPIF1<0,所以SKIPIF1<0SKIPIF1<0,當SKIPIF1<0時,SKIPIF1<0取得最大值SKIPIF1<0,即直線SKIPIF1<0與直線CD所成角的余弦值的最大值是SKIPIF1<0,故D錯誤.故選BC.12.答案:BCD解析:對于A,SKIPIF1<0,顯然SKIPIF1<0,所以SKIPIF1<0和SKIPIF1<0的最小值為SKIPIF1<0,又SKIPIF1<0,所以四邊形PAMB周長的最小值為SKIPIF1<0,故A錯誤;對于B,SKIPIF1<0,SKIPIF1<0,故B正確;對于C,若SKIPIF1<0,則SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,所以SKIPIF1<0,故C正確;對于D,設(shè)SKIPIF1<0,則切點弦AB所在直線的方程為SKIPIF1<0,即SKIPIF1<0,所以直線AB過定點SKIPIF1<0,因為SKIPIF1<0,所以點C的軌跡是以MT為直徑的圓(不含點M),該圓的圓心為SKIPIF1<0,半徑SKIPIF1<0,顯然SKIPIF1<0在圓外,所以SKIPIF1<0,故D正確.故選BCD.三、填空題13.答案:SKIPIF1<0解析:SKIPIF1<0的終邊過點SKIPIF1<0,SKIPIF1<0,SKIPIF1<0.SKIPIF1<0SKIPIF1<0.14.答案:9解析:法一:因為SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,所以SKIPIF1<0,又E是BC的中點,SKIPIF1<0,所以SKIPIF1<0SKIPIF1<0SKIPIF1<0SKIPIF1<0.法二:以A為坐標原點建立如圖所示的平面直角坐標系,由題易得SKIPIF1<0,SKIPIF1<0,設(shè)SKIPIF1<0,則SKIPIF1<0,所以SKIPIF1<0,SKIPIF1<0,而SKIPIF1<0,所以SKIPIF1<0,則SKIPIF1<0,所以SKIPIF1<0.因為E是BC的中點,所以SKIPIF1<0.15.答案:SKIPIF1<0解析:由題意知SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,所以SKIPIF1<0,設(shè)直線方程為SKIPIF1<0,代入E的方程,整理得SKIPIF1<0,設(shè)SKIPIF1<0,SKIPIF1<0,則SKIPIF1<0,SKIPIF1<0,得SKIPIF1<0.又SKIPIF1<0,所以直線MA的方程為SKIPIF1<0,令SKIPIF1<0,得SKIPIF1<0,同理直線NB的方程為SKIPIF1<0,令SKIPIF1<0,得SKIPIF1<0,所以SKIPIF1<0SKIPIF1<0.16.答案:SKIPIF1<0解析:SKIPIF1<0,即SKIPIF1<0,令SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則SKIPIF1<0,易知SKIPIF1<0在SKIPIF1<0上單調(diào)遞增,又SKIPIF1<0,SKIPIF1<0,所以存在實數(shù)SKIPIF1<0,使得SKIPIF1<0,且當SKIPIF1<0時,SKIPIF1<0,SKIPIF1<0在SKIPIF1<0上單調(diào)遞減,當SKIPIF1<0時,SKIPIF1<0,SKIPIF1<0在SKIPIF1<0上單調(diào)遞增,所以SKIPIF1<0,又SKIPIF1<0,SKIPIF1<0是過定點SKIPIF1<0的直線,所以畫出函數(shù)SKIPIF1<0和SKIPIF1<0的大致圖象如圖所示,令SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,由圖可知若存在唯一整數(shù)SKIPIF1<0,使得SKIPIF1<0成立,則需SKIPIF1<0,而SKIPIF1<0,所以SKIPIF1<0,因為SKIPIF1<0,所以SKIPIF1<0,即實數(shù)a的取值范圍是SKIPIF1<0.四、解答題17.解析:(1)由正弦定理得,即,………………2分因為,所以,即SKIPIF1<0,因為SKIPIF1<0,所以SKIPIF1<0.………………5分(2)因為SKIPIF1<0的外接圓半徑為SKIPIF1<0,所以SKIPIF1<0SKIPIF1<0,所以SKIPIF1<0.由余弦定理得SKIPIF1<0,………………7分即SKIPIF1<0,所以SKIPIF1<0,當且僅當SKIPIF1<0時取等號,所以SKIPIF1<0周長的最大值為6.………………10分18.解析:(1)因為SKIPIF1<0,所以SKIPIF1<0,當SKIPIF1<0時,因為SKIPIF1<0,所以SKIPIF1<0,………………3分即SKIPIF1<0,即SKIPIF1<0,整理得SKIPIF1<0,故可得SKIPIF1<0.又SKIPIF1<0,故數(shù)列SKIPIF1<0是以1為首項,2為公差的等差數(shù)列.……………6分(2)由(1)可知SKIPIF1<0,故可得SKIPIF1<0,………………9分所以SKIPIF1<0SKIPIF1<0.………………12分19.解析:(1)零假設(shè)為SKIPIF1<0:成績與課改研究獨立,即成績與課改研究之間無關(guān)聯(lián).完成SKIPIF1<0列聯(lián)表如下表,A班B班總計優(yōu)秀223254不優(yōu)秀281846總計5050100…………………3分則SKIPIF1<0,所以根據(jù)小概率值SKIPIF1<0的獨立性檢驗,推斷SKIPIF1<0不成立,即認為成績是否優(yōu)秀與課改研究有關(guān),此推斷犯錯誤的概率不大于0.05.…6分(2)A,B兩班里成績在100分以下的學(xué)生中,A班有4人,B班有2人,所以X的所有可能取值為0,1,2,則SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,………………9分則隨機變量X的分布列為X012PSKIPIF1<0SKIPIF1<0SKIPIF1<0數(shù)學(xué)期望SKIPIF1<0.………………12分20.解析:(1)在直角梯形ABCD中,SKIPIF1<0,SKIPIF1<0,所以SKIPIF1<0.又SKIPIF1<0,所以SKIPIF1<0,SKIPIF1<0,所以SKIPIF1<0.………………2分在SKIPIF1<0中,由余弦定理得SKIPIF1<0,所以SKIPIF1<0,所以SKIPIF1<0.在直四棱柱SKIPIF1<0中,SKIPIF1<0底面ABCD,SKIPIF1<0底面ABCD,所以SKIPIF1<0,………………4分又SKIPIF1<0,所以SKIPIF1<0平面SKIPIF1<0.又SKIPIF1<0平面SKIPIF1<0,所以平面SKIPIF1<0平面SKIPIF1<0.………………6分(2)如圖,取BC的中點E,連接AE,則SKIPIF1<0,所以SKIPIF1<0.易證AE,AD,SKIPIF1<0兩兩垂直,所以分別以AE,AD,SKIPIF1<0所在直線為x、y、z軸建立空間直角坐標系SKIPIF1<0,則SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,所以SKIPIF1<0,SKIPIF1<0,SKIPIF1<0.……………8分設(shè)平面ACM的法向量為SKIPIF1<0,則SKIPIF1<0,取SKIPIF1<0,得SKIPIF1<0.設(shè)平面SKIPIF1<0的法向量為SKIPIF1<0,則SKIPIF1<0,取SKIPIF1<0,得SKIPIF1<0.………10分所以SKIPIF1<0,由圖可知二面角SKIPIF1<0為鈍角,所以二面角SKIPIF1<0的余弦值為SKIPIF1<0.………………12分21.解析:(1)若SKIPIF1<0在SKIPIF1<0上單調(diào)遞增,則SKIPIF1<0,因為SKIPIF1<0,所以SKIPIF1<0.………………2分設(shè)SKIPIF1<0,則SKIPIF1<0,SKIPIF1<0,所以當SKIPIF1<0時,SKIPIF1<0,SKIPIF1<0單調(diào)遞減,當SKIPIF1<0時,SKIPIF1<0,SKIPIF1<0單調(diào)遞增,所以SKIPIF1<0.………………4分所以當SKIPIF1<0,即SKIPIF1<0時,SKIPIF1<0,即SKIPIF1<0,所以a的取值范圍是SKIPIF1<0.………………5分(2)因為SKIPIF1<0,所以SKIPIF1<0,即SKIPIF1<0
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