(8份试卷合集)2019-2020学年四川省自贡市数学高一第一学期期末质量检测模拟试题_第1页
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高一数学期末模拟试卷注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。一、选择题1.过点P(0,2)作直线x+my﹣4=0的垂线,垂足为Q,则Q到直线x+2y﹣14=0的距离最小值为()A.0 B.2 C.SKIPIF1<0 D.2SKIPIF1<02.如图,函数SKIPIF1<0的图像是()A. B.C. D.3.在正四棱柱SKIPIF1<0中,SKIPIF1<0,则点SKIPIF1<0到平面SKIPIF1<0的距离是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.函数SKIPIF1<0的零点所在区间为()A.(0,1) B.(1,2) C.(2,3) D.(3,4)5.若向量SKIPIF1<0,SKIPIF1<0满足SKIPIF1<0,当SKIPIF1<0,SKIPIF1<0不共线时,SKIPIF1<0与SKIPIF1<0的关系是SKIPIF1<0SKIPIF1<0A.相等 B.平行 C.垂直 D.相交但不垂直6.在长方体SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则长方体外接球的表面积为()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.如图,在正方体ABCD-A1B1C1D1中,E,F分别是C1D1,CC1的中点,则异面直线AE与BF所成角的余弦值为()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.不等式SKIPIF1<0的解集是SKIPIF1<0,则SKIPIF1<0等于()A.14 B.SKIPIF1<014 C.SKIPIF1<010 D.109.SKIPIF1<0的内角SKIPIF1<0的对边分别为SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,若SKIPIF1<0的面积为SKIPIF1<0,则SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<010.已知集合SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0=()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<011.下列四组中的SKIPIF1<0,SKIPIF1<0,表示同一个函数的是().A.SKIPIF1<0,SKIPIF1<0 B.SKIPIF1<0,SKIPIF1<0C.SKIPIF1<0,SKIPIF1<0 D.SKIPIF1<0,SKIPIF1<012.已知,则的值为()A.B.C.D.13.若SKIPIF1<0,且SKIPIF1<0,则SKIPIF1<0的值为SKIPIF1<0SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<014.点P为ΔABC所在平面外一点,PO⊥平面ABC,垂足为O,若PA=PB=PC,则点O是ΔABC的()A.内心B.外心C.重心D.垂心15.在复平面内,复数对应的点位于A.第一象限B.第二象限C.第三象限D.第四象限二、填空题16.已知SKIPIF1<0,且SKIPIF1<0,则SKIPIF1<0_____.17.已知数列SKIPIF1<0的前SKIPIF1<0项和满足SKIPIF1<0,则SKIPIF1<0______.18.已知数列SKIPIF1<0的前SKIPIF1<0项和是SKIPIF1<0,且SKIPIF1<0,则SKIPIF1<0______.(写出两个即可)19.不等式SKIPIF1<0的解集为_______.三、解答题20.某车间将10名技工平均分成甲、乙两组加工某种零件,在单位时间内每个技工加工的合格零件数,按十位数字为茎,个位数字为叶得到的茎叶图如图所示.已知甲、乙两组数据的平均数都为10.(1)求SKIPIF1<0的值;(2)分别求出甲、乙两组数据的方差SKIPIF1<0和SKIPIF1<0,并由此分析两组技工的加工水平;21.设SKIPIF1<0为等差数列SKIPIF1<0的前SKIPIF1<0项和,已知SKIPIF1<0,SKIPIF1<0.(1)求数列SKIPIF1<0的通项公式;(2)令SKIPIF1<0,且数列SKIPIF1<0的前SKIPIF1<0项和为SKIPIF1<0,求证:SKIPIF1<0.22.已知关于的不等式的解集为.(1)求的值;(2)当,,且满足时,有恒成立,求的取值范围.23.为迎接夏季旅游旺季的到来,少林寺单独设置了一个专门安排游客住宿的客栈,寺庙的工作人员发现为游客准备的一些食物有些月份剩余不少,浪费很严重,为了控制经营成本,减少浪费,就想适时调整投入.为此他们统计每个月入住的游客人数,发现每年各个月份来客栈入住的游客人数会发生周期性的变化,并且有以下规律:①每年相同的月份,入住客栈的游客人数基本相同;②入住客栈的游客人数在2月份最少,在8月份最多,相差约400人;③2月份入住客栈的游客约为100人,随后逐月递增直到8月份达到最多.(1)试用一个正弦型三角函数SKIPIF1<0描述一年中入住客栈的游客人数y与月x份之间的关系;(2)请问哪几个月份要准备400份以上的食物?24.设全集,已知函数的定义域为集合,函数的值域为集合.(1)求;(2)若且,求实数的取值范围.25.已知函数SKIPIF1<0,其中SKIPIF1<0,SKIPIF1<0.(1)若SKIPIF1<0,SKIPIF1<0,求SKIPIF1<0的值;(2)若SKIPIF1<0,SKIPIF1<0,求SKIPIF1<0的最大值;(3)若SKIPIF1<0,求证:SKIPIF1<0.【参考答案】一、选择题1.C2.C3.A4.B5.C6.C7.D8.B9.C10.A11.D12.C13.A14.B15.D二、填空题16.SKIPIF1<017.518.SKIPIF1<0或SKIPIF1<019.SKIPIF1<0三、解答题20.(1)SKIPIF1<0;(2)SKIPIF1<0,乙组加工水平高。21.(1)SKIPIF1<0,SKIPIF1<0(2)略22.(I);(II)23.(1)f(x)=200sin(x)+300;(2)只有6,7,8,9,10五个月份要准备400份以上的食物.24.(1){1};(2)25.(1)SKIPIF1<0;(2)SKIPIF1<0;(3)略.

高一数学期末模拟试卷注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。一、选择题1.在中,内角所对的边分别为,若,且,则的形状是()A.锐角三角形 B.钝角三角形 C.等腰直角三角形 D.不确定2.在中,角对应的边分别是,已知,的面积为,则外接圆的直径为()A. B. C. D.3.等差数列SKIPIF1<0中,已知SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0的前SKIPIF1<0项和SKIPIF1<0的最小值为()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.设函数SKIPIF1<0,SKIPIF1<0,其中SKIPIF1<0,若对任意的n,SKIPIF1<0,SKIPIF1<0和SKIPIF1<0至少有一个为非负值,则实数m的最大值是SKIPIF1<0SKIPIF1<0A.1 B.SKIPIF1<0 C.2 D.SKIPIF1<05.已知函数SKIPIF1<0,若SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的大小关系是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.在下列区间上,方程SKIPIF1<0无实数解的是SKIPIF1<0SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.设函数SKIPIF1<0的定义域为D,若对任意SKIPIF1<0,存在唯一的实数SKIPIF1<0满足SKIPIF1<0,则SKIPIF1<0可以是SKIPIF1<0SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.已知等差数列SKIPIF1<0的公差SKIPIF1<0,前SKIPIF1<0项和为SKIPIF1<0,若对所有的SKIPIF1<0,都有SKIPIF1<0,则().A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<09.奥林匹克会旗中央有5个互相套连的圆环,颜色自左至右,上方依次为蓝、黑、红,下方依次为黄、绿,象征着五大洲.在手工课上,老师将这5个环分发给甲、乙、丙、丁、戊五位同学制作,每人分得1个,则事件“甲分得红色”与“乙分得红色”是()A.对立事件 B.不可能事件C.互斥但不对立事件 D.不是互斥事件10.SKIPIF1<0中,SKIPIF1<0在SKIPIF1<0上,SKIPIF1<0,SKIPIF1<0是SKIPIF1<0上的点,SKIPIF1<0,则m的值()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<011.已知函数SKIPIF1<0,则不等式SKIPIF1<0的解集为()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<012.正项等比数列SKIPIF1<0中,SKIPIF1<0,则SKIPIF1<0的值()A.10 B.20 C.36 D.12813.已知向量SKIPIF1<0,SKIPIF1<0,若SKIPIF1<0,则SKIPIF1<0与SKIPIF1<0的夹角为()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<014.函数SKIPIF1<0的大致图象是()A. B.C. D.15.已知实数且,则在同一直角坐标系中,函数的图象可能是A.B.C.D.二、填空题16.已知函数SKIPIF1<0,则SKIPIF1<0的最小正周期是______;SKIPIF1<0的对称中心是______.17.已知函数SKIPIF1<0为偶函数,则SKIPIF1<0_____,函数SKIPIF1<0的单调递增区间是_____.18.已知函数SKIPIF1<0的最小正周期为SKIPIF1<0,若将该函数的图像向左平移SKIPIF1<0个单位后,所得图像关于原点对称,则SKIPIF1<0的最小值为________.19.点SKIPIF1<0是直线SKIPIF1<0上一动点,SKIPIF1<0是圆SKIPIF1<0的两条切线,SKIPIF1<0是切点,若四边形SKIPIF1<0面积的最小值为2,则SKIPIF1<0的值为______.三、解答题20.已知SKIPIF1<0,SKIPIF1<0,函数SKIPIF1<0.(1)求SKIPIF1<0的对称轴方程;(2)求使SKIPIF1<0成立的SKIPIF1<0的取值集合.21.已知数列SKIPIF1<0的前SKIPIF1<0项和SKIPIF1<0,且满足SKIPIF1<0.(Ⅰ)求数列SKIPIF1<0的通项公式;(Ⅱ)求数列SKIPIF1<0的前SKIPIF1<0项和SKIPIF1<0.22.在SKIPIF1<0中,角SKIPIF1<0所对的边分别是SKIPIF1<0,已知SKIPIF1<0.(Ⅰ)求角SKIPIF1<0的大小;(Ⅱ)若SKIPIF1<0,SKIPIF1<0,求SKIPIF1<0的面积.23.如图C,D是以AB为直径的圆上的两点,SKIPIF1<0,F是AB上的一点,且SKIPIF1<0,将圆沿AB折起,使点C在平面ABD的射影E在BD上,已知SKIPIF1<0(1)求证:ADSKIPIF1<0平面BCE(2)求证:AD//平面CEF;(3)求三棱锥A-CFD的体积.24.已知函数SKIPIF1<0.(1)当SKIPIF1<0时,求不等式SKIPIF1<0的解集.(2)讨论不等式SKIPIF1<0的解集.25.在SKIPIF1<0中,内角A,B,C的对边a,b,c,且SKIPIF1<0,已知SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,求:(1)a和c的值;(2)SKIPIF1<0的值.【参考答案】一、选择题1.C2.D3.C4.A5.D6.B7.C8.D9.C10.A11.C12.B13.D14.A15.D二、填空题16.SKIPIF1<0SKIPIF1<0,SKIPIF1<017.SKIPIF1<018.SKIPIF1<019.SKIPIF1<0三、解答题20.(1)SKIPIF1<0(2)SKIPIF1<021.(Ⅰ)SKIPIF1<0;(Ⅱ)SKIPIF1<0.22.(Ⅰ)SKIPIF1<0;(Ⅱ)SKIPIF1<023.(1)参考解析;(2)参考解析;(3)SKIPIF1<024.(1)SKIPIF1<0;(2)详略.25.(1)SKIPIF1<0;(2)SKIPIF1<0

高一数学期末模拟试卷注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。一、选择题1.已知SKIPIF1<0表示三条不同的直线,SKIPIF1<0表示两个不同的平面,下列说法中正确的是()A.若SKIPIF1<0,则SKIPIF1<0 B.若SKIPIF1<0,则SKIPIF1<0C.若SKIPIF1<0,则SKIPIF1<0 D.若SKIPIF1<0,则SKIPIF1<02.若函数SKIPIF1<0的图象上所有点纵坐标不变,横坐标伸长到原来的2倍,再向左平行移动SKIPIF1<0个单位长度得函数SKIPIF1<0的图象,则函数SKIPIF1<0在区间SKIPIF1<0内的所有零点之和为()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.已知SKIPIF1<0,SKIPIF1<0,下列不等式成立的是()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<04.设SKIPIF1<0,若3是SKIPIF1<0与SKIPIF1<0的等比中项,则SKIPIF1<0的最小值为().A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.椭圆以SKIPIF1<0轴和SKIPIF1<0轴为对称轴,经过点(2,0),长轴长是短轴长的2倍,则椭圆的方程为()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0或SKIPIF1<0 D.SKIPIF1<0或SKIPIF1<06.若为等差数列,是其前项和,且,则的值为()A. B. C. D.7.已知函数SKIPIF1<0满足SKIPIF1<0且当SKIPIF1<0时,SKIPIF1<0,设SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则a,b,c的大小关系是SKIPIF1<0SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.如图所示,平面内有三个向量SKIPIF1<0,其中SKIPIF1<0与SKIPIF1<0的夹角为SKIPIF1<0,SKIPIF1<0与SKIPIF1<0的夹角为SKIPIF1<0,且SKIPIF1<0,若SKIPIF1<0,则SKIPIF1<0SKIPIF1<0A.1 B.2 C.3 D.49.下列关于函数SKIPIF1<0的说法正确的是()A.图象关于点SKIPIF1<0成中心对称 B.图象关于直线SKIPIF1<0成轴对称C.在区间SKIPIF1<0上单调递增 D.在区间SKIPIF1<0上单调递增10.设,,,则的大小关系为()A. B. C. D.11.已知函数SKIPIF1<0,若SKIPIF1<0存在四个互不相等的实数根,则实数SKIPIF1<0的取值范围为()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<012.函数SKIPIF1<0的定义域是()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<013.设SKIPIF1<0为大于1的正数,且SKIPIF1<0,则SKIPIF1<0,SKIPIF1<0,SKIPIF1<0中最小的是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.三个数相等14.已知某批零件的长度误差(单位:毫米)服从正态分布SKIPIF1<0,从中随机取一件,其长度误差落在区间(3,6)内的概率为()(附:若随机变量ξ服从正态分布SKIPIF1<0,则SKIPIF1<0,SKIPIF1<0。)A.4.56% B.13.59% C.27.18% D.31.74%15.已知函数SKIPIF1<0的图象恒过定点SKIPIF1<0,若定点SKIPIF1<0在幂函数SKIPIF1<0的图像上,则幂函数SKIPIF1<0的图像是()A. B. C. D.二、填空题16.已知锐角SKIPIF1<0的外接圆的半径为1,SKIPIF1<0,则SKIPIF1<0的面积的取值范围为_____.17.已知,,,求______.18.SKIPIF1<0______.19.设SKIPIF1<0为偶函数,则实数SKIPIF1<0的值为________.三、解答题20.已知向量SKIPIF1<0,SKIPIF1<0,其中SKIPIF1<0.SKIPIF1<0若SKIPIF1<0,求角SKIPIF1<0;SKIPIF1<0若SKIPIF1<0,求SKIPIF1<0的值.21.已知SKIPIF1<0,SKIPIF1<0SKIPIF1<0ⅠSKIPIF1<0求SKIPIF1<0的值;SKIPIF1<0ⅡSKIPIF1<0求SKIPIF1<0的值22.已知函数SKIPIF1<0.SKIPIF1<0求函数SKIPIF1<0的最大值;SKIPIF1<0若SKIPIF1<0,SKIPIF1<0时,求SKIPIF1<0的值.23.已知△ABC的三边a,b,c所对的角分别为A,B,C,且a∶b∶c=7∶5∶3.(1)求cosA的值;(2)若△ABC的面积为45,求△ABC外接圆半径R的大小.24.围建一个面积为360m2的矩形场地,要求矩形场地的一面利用旧墙(利用旧墙需维修),其它三面围墙要新建,在旧墙的对面的新墙上要留一个宽度为2m的进出口,如图所示,已知旧墙的维修费用为45元/m,新墙的造价为180元/m,设利用的旧墙的长度为x(单位:元)。(Ⅰ)将y表示为x的函数;(Ⅱ)试确定x,使修建此矩形场地围墙的总费用最小,并求出最小总费用。25.关于SKIPIF1<0的不等式SKIPIF1<0,其中SKIPIF1<0为大于0的常数。(1)若不等式的解集为SKIPIF1<0,求实数SKIPIF1<0的取值范围;(2)若不等式的解集为SKIPIF1<0,且SKIPIF1<0中恰好含有三个整数,求实数SKIPIF1<0的取值范围.【参考答案】一、选择题1.D2.C3.A4.D5.C6.B7.B8.C9.D10.B11.D12.D13.C14.B15.D二、填空题16.SKIPIF1<017.1618.19.4三、解答题20.(1)SKIPIF1<0或SKIPIF1<0,SKIPIF1<0;(2)SKIPIF1<021.(Ⅰ)SKIPIF1<0(Ⅱ)SKIPIF1<022.(1)SKIPIF1<0(2)SKIPIF1<023.(1);(2).24.(Ⅰ)y=225x+SKIPIF1<0(Ⅱ)当x=24m时,修建围墙的总费用最小,最小总费用是10440元。25.(1)SKIPIF1<0;(2)SKIPIF1<0

高一数学期末模拟试卷注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。一、选择题1.直线l经过SKIPIF1<0两点,则直线l的倾斜角的取值范围是()A.SKIPIF1<0∪SKIPIF1<0 B.[0,π)C.SKIPIF1<0 D.SKIPIF1<0∪SKIPIF1<02.将函数SKIPIF1<0的图象向右平移SKIPIF1<0个单位长度后得到函数SKIPIF1<0的图象,若当SKIPIF1<0时,SKIPIF1<0的图象与直线SKIPIF1<0恰有两个公共点,则SKIPIF1<0的取值范围为()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.若点(m,n)在反比例函数y=SKIPIF1<0的图象上,其中m<0,则m+3n的最大值等于()A.2SKIPIF1<0 B.2 C.﹣2SKIPIF1<0 D.﹣24.SKIPIF1<0的内角SKIPIF1<0的对边分别为SKIPIF1<0成等比数列,且SKIPIF1<0,则SKIPIF1<0等于()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.设数列SKIPIF1<0的前SKIPIF1<0项和为SKIPIF1<0,且SKIPIF1<0SKIPIF1<0,则数列SKIPIF1<0的前10项的和是()A.290 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.已知函数SKIPIF1<0满足SKIPIF1<0且当SKIPIF1<0时,SKIPIF1<0,设SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则a,b,c的大小关系是SKIPIF1<0SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.定义在SKIPIF1<0上的函数SKIPIF1<0满足SKIPIF1<0,当SKIPIF1<0时,SKIPIF1<0,则()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<08.如图,在四棱锥SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0为棱SKIPIF1<0的中点,点SKIPIF1<0是平面SKIPIF1<0内一个动点,且直线SKIPIF1<0平面SKIPIF1<0,动点SKIPIF1<0所组成的图形记为SKIPIF1<0,则()A.SKIPIF1<0直线SKIPIF1<0 B.SKIPIF1<0平面SKIPIF1<0 C.SKIPIF1<0平面SKIPIF1<0 D.SKIPIF1<0直线SKIPIF1<09.已知SKIPIF1<0,SKIPIF1<0是两个不同的平面,SKIPIF1<0,SKIPIF1<0是两条不同的直线,给出下列命题:①若SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0.②若SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0.③若SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0.④若SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0且SKIPIF1<0.其中正确命题的个数是()A.1 B.2 C.3 D.410.设,,,则的大小关系为()A. B. C. D.11.已知定义在SKIPIF1<0上的函数SKIPIF1<0的图象关于SKIPIF1<0轴对称,且函数SKIPIF1<0在SKIPIF1<0上单调递减,则不等式SKIPIF1<0的解集为()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<012.中国古代数学著作《算法统宗》中有这样一个问题:“三百七十八里关,初步健步不为难,次日脚痛减一半,六朝才得到其关,要见次日行里数,请公仔仔细算相还”,其大意为:“有一个人走378里路,第一天健步行走,从第二天起脚痛每天走的路程为前一天的一半,走了6天后到达目的地”,则该人第五天走的路程为()A.6里 B.12里 C.24里 D.48里13.若直线y=x+b与曲线SKIPIF1<0有公共点,则b的取值范围是A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<014.SKIPIF1<0路公共汽车每SKIPIF1<0分钟发车一次,小明到乘车点的时刻是随机的,则他候车时间不超过两分钟的概率是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<015.设SKIPIF1<0为等差数列SKIPIF1<0的前SKIPIF1<0项和,若SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0二、填空题16.定义域为SKIPIF1<0上的函数SKIPIF1<0满足SKIPIF1<0,且当SKIPIF1<0时,SKIPIF1<0,若SKIPIF1<0,则a的取值范围是______.17.已知函数在上存在最小值,则m的取值范围是________.18.函数y=sinωx(ω>0)的部分图象如图所示,点A,B是最高点,点C是最低点,若△ABC是直角三角形,则ω的值为____.19.安排SKIPIF1<0六名义工照顾甲、乙、丙三位老人,每两位义工照顾一位老人.考虑到义工与老人住址距离问题,义工SKIPIF1<0不安排照顾老人甲,义工SKIPIF1<0不安排照顾老人乙,安排方法共有___________.三、解答题20.计算:(1)SKIPIF1<0(2)SKIPIF1<021.选修4-5:不等式选讲已知实数SKIPIF1<0满足SKIPIF1<0,且SKIPIF1<0.(1)证明:SKIPIF1<0;(2)证明:SKIPIF1<0.22.计算下列各式的值:SKIPIF1<0;SKIPIF1<0.23.已知函数SKIPIF1<0的图象过点SKIPIF1<0.(1)判断函数SKIPIF1<0的奇偶性,并说明理由;(2)若SKIPIF1<0,求实数SKIPIF1<0的取值范围.24.若SKIPIF1<0,解关于SKIPIF1<0的不等式SKIPIF1<0.25.已知SKIPIF1<0是定义域为的奇函数,当SKIPIF1<0时,SKIPIF1<0.(1)写出函数SKIPIF1<0的解析式;(2)若方程SKIPIF1<0恰有SKIPIF1<0个不同的解,求SKIPIF1<0的取值范围.【参考答案】一、选择题1.A2.C3.C4.B5.C6.B7.B8.B9.C10.B11.A12.B13.C14.A15.B二、填空题16.SKIPIF1<017.18.SKIPIF1<019.42三、解答题20.(1)99(2)SKIPIF1<021.(1)略(2)略.22.(1)8(2)SKIPIF1<023.(1)SKIPIF1<0为偶函数,理由略;(2)SKIPIF1<0。24.当0<a<1时,原不等式的解集为SKIPIF1<0,当a<0时,原不等式的解集为SKIPIF1<0;当a=0时,原不等式的解集为⌀.25.(1)SKIPIF1<0;(2)SKIPIF1<0

高一数学期末模拟试卷注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。一、选择题1.若变量满足约束条件则的最小值等于()A. B. C. D.22.不等式SKIPIF1<0的解集为()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<03.函数SKIPIF1<0(其中SKIPIF1<0)的图象如图所示,为了得到SKIPIF1<0的图象,只需把SKIPIF1<0的图象上所有的点()A.向右平移SKIPIF1<0个单位长度 B.向左平移SKIPIF1<0个单位长度C.向右平移SKIPIF1<0个单位长度 D.向左平移SKIPIF1<0个单位长度4.已知向量SKIPIF1<0,向量SKIPIF1<0,若向量SKIPIF1<0在向量SKIPIF1<0方向上的投影为SKIPIF1<0,则实数x等于()A.3 B.2 C.SKIPIF1<0 D.SKIPIF1<05.要得到函数SKIPIF1<0的图像,只需将函数SKIPIF1<0的图像()A.向左平移SKIPIF1<0个单位 B.向右平移SKIPIF1<0个单位C.向左平移SKIPIF1<0个单位 D.向右平移SKIPIF1<0个单位6.已知向量SKIPIF1<0,SKIPIF1<0满足SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0()A.3 B.2 C.1 D.07.设SKIPIF1<0,则SKIPIF1<0等于()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.锐角三角形SKIPIF1<0的内角SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的对边分别为SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,已知SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0周长的最大值为()A.SKIPIF1<0 B.SKIPIF1<0 C.3 D.49.下列函数中,在SKIPIF1<0上既是奇函数又是减函数的是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<010.中国古代数学著作《算法统宗》中有这样一个问题:“三百七十八里关,初步健步不为难,次日脚痛减一半,六朝才得到其关,要见次日行里数,请公仔仔细算相还”,其大意为:“有一个人走378里路,第一天健步行走,从第二天起脚痛每天走的路程为前一天的一半,走了6天后到达目的地”,则该人第五天走的路程为()A.6里 B.12里 C.24里 D.48里11.已知变量SKIPIF1<0之间满足线性相关关系SKIPIF1<0,且SKIPIF1<0之间的相关数据如下表所示:x1234y0.1m3.14则实数SKIPIF1<0()A.0.8 B.0.6 C.1.6 D.1.812.已知SKIPIF1<0为等差数列,SKIPIF1<0,SKIPIF1<0,以SKIPIF1<0表示SKIPIF1<0的前SKIPIF1<0项和,则使得SKIPIF1<0达到最大值的SKIPIF1<0是()A.21 B.20 C.19 D.1813.若奇函数SKIPIF1<0在SKIPIF1<0内是减函数,且SKIPIF1<0,则不等式SKIPIF1<0的解集为()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<014.已知SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则a,b,c的大小关系为SKIPIF1<0SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<015.如图为某几何体的三视图,则该几何体的表面积为()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<0二、填空题16.在SKIPIF1<0中,D为AC的中点,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,则SKIPIF1<0______.17.在SKIPIF1<0中,已知SKIPIF1<0,SKIPIF1<0,且AC边的中点M在y轴上,BC边的中点N在x轴上,求:SKIPIF1<0顶点C的坐标;

SKIPIF1<0直线MN的方程.18.设,则与的大小关系是__________.19.已知直角梯形ABCD中,AD∥BC,∠ADC=90°,AD=2,BC=1,P是腰DC上的动点,则的最小值为.三、解答题20.已知函数SKIPIF1<0。(1)若SKIPIF1<0,求不等式SKIPIF1<0的解集;(2)若SKIPIF1<0,且SKIPIF1<0,求SKIPIF1<0的最小值。21.已知函数SKIPIF1<0是奇函数.SKIPIF1<0求实数m,n的值;SKIPIF1<0若函数SKIPIF1<0的定义域为SKIPIF1<0判断函数SKIPIF1<0的单调性,并用定义证明;SKIPIF1<0是否存在实数t,使得关于x的不等式SKIPIF1<0在SKIPIF1<0上有解?若存在,求出t的取值范围;若不存在,说明理由.22.已知函数SKIPIF1<0,SKIPIF1<0.SKIPIF1<0若函数SKIPIF1<0为奇函数,求实数a的值;SKIPIF1<0设函数SKIPIF1<0,且SKIPIF1<0,已知SKIPIF1<0对任意的SKIPIF1<0恒成立,求a的取值范围.23.已知函数.(1)求的定义域与最小正周期;(2)当时,求值域.24.求满足下列条件的直线方程.(1)经过点A(-1,-3),且斜率等于直线3x+8y-1=0斜率的2倍;(2)过点M(0,4),且与两坐标轴围成三角形的周长为12.25.如图,某污水处理厂要在一个矩形污水处理池SKIPIF1<0的池底水平铺设污水净化管道(SKIPIF1<0三条边,SKIPIF1<0是直角顶点)来处理污水,管道越长,污水净化效果越好.要求管道的接口SKIPIF1<0是SKIPIF1<0的中点,SKIPIF1<0分别落在线段SKIPIF1<0上,已知SKIPIF1<0米,SKIPIF1<0米,记SKIPIF1<0.(1)试将污水净化管道的总长度SKIPIF1<0(即SKIPIF1<0的周长)表示为SKIPIF1<0的函数,并求出定义域;(2)问SKIPIF1<0取何值时,污水净化效果最好?并求出此时管道的总长度.【参考答案】一、选择题1.A2.A3.D4.D5.C6.A7.D8.C9.C10.B11.D12.B13.D14.C15.B二、填空题16.917.(1)SKIPIF1<0;(2)SKIPIF1<0.18.logm2<logn219.5三、解答题20.(1)答案不唯一,具体略(2)SKIPIF1<021.(1)SKIPIF1<0或SKIPIF1<0;(2)①略;②SKIPIF1<0.22.(1)SKIPIF1<0;(2)SKIPIF1<023.(1),;(2).24.(1)3x+4y+15=0.(2)4x+3y-12=0或4x-3y+12=0.25.(1)SKIPIF1<0,SKIPIF1<0;(2)SKIPIF1<0或SKIPIF1<0时,L取得最大值为SKIPIF1<0米..

高一数学期末模拟试卷注意事项:1.答题前,考生先将自己的姓名、准考证号填写清楚,将条形码准确粘贴在考生信息条形码粘贴区。2.选择题必须使用2B铅笔填涂;非选择题必须使用0.5毫米黑色字迹的签字笔书写,字体工整、笔迹清楚。3.请按照题号顺序在各题目的答题区域内作答,超出答题区域书写的答案无效;在草稿纸、试题卷上答题无效。4.保持卡面清洁,不要折叠,不要弄破、弄皱,不准使用涂改液、修正带、刮纸刀。一、选择题1.某工厂对一批新产品的长度(单位:SKIPIF1<0)进行检测,如下图是检测结果的频率分布直方图,据此估计这批产品的中位数与平均数分别为()A.20,22.5 B.22.5,25 C.22.5,22.75 D.22.75,22.752.下列函数中,既是偶函数又在上是单调递减的是()A. B. C. D.3.若SKIPIF1<0,则下列不等式中不正确的是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.如图,在四棱锥SKIPIF1<0中,SKIPIF1<0底面SKIPIF1<0,底面SKIPIF1<0为直角梯形,SKIPIF1<0,SKIPIF1<0,则直线SKIPIF1<0与平面SKIPIF1<0所成角的大小为()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.已知函数SKIPIF1<0既存在极大值又存在极小值,则实数SKIPIF1<0的取值范围是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.设SKIPIF1<0,若3是SKIPIF1<0与SKIPIF1<0的等比中项,则SKIPIF1<0的最小值为().A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.已知a,b,SKIPIF1<0,函数SKIPIF1<0,若SKIPIF1<0,则下列不等关系不可能成立的是SKIPIF1<0SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<08.若直线SKIPIF1<0把圆SKIPIF1<0分成面积相等的两部分,则SKIPIF1<0的最小值为()A.10 B.8 C.5 D.49.若函数SKIPIF1<0,则SKIPIF1<0()A.0 B.-1 C.SKIPIF

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