5套试卷汇总河北省沧州市2020年高一(上)数学期末联考模拟试题
发布时间:2020-01-09 05:26:04
发布时间:2020-01-09 05:26:04
2019-2020学年高一数学上学期期末试卷
一、选择题
1.函数word/media/image1.wmf的一个单调增区间是( )
A.word/media/image2.wmf B.word/media/image3.wmf C.word/media/image4.wmf D.word/media/image5.wmf
2.实数满足word/media/image6.wmf,则word/media/image7.wmf的取值范围为( )
A.word/media/image8.wmf B.word/media/image9.wmf C.word/media/image10.wmf D.word/media/image11.wmf
3.连续掷两次骰子,分别得到的点数作为点word/media/image12.wmf的坐标,则点word/media/image12.wmf落在圆word/media/image13.wmf内的概率为
A.word/media/image14.wmf B.word/media/image15.wmf C.word/media/image16.wmf D.word/media/image17.wmf
4.已知函数word/media/image18.wmf,其图像相邻的两个对称中心之间的距离为word/media/image19.wmf,且有一条对称轴为直线word/media/image20.wmf,则下列判断正确的是 ( )
A.函数word/media/image21.wmf的最小正周期为word/media/image22.wmf
B.函数word/media/image21.wmf的图象关于直线word/media/image23.wmf对称
C.函数word/media/image21.wmf在区间word/media/image24.wmf上单调递增
D.函数word/media/image21.wmf的图像关于点word/media/image25.wmf对称
5.已知word/media/image26.wmf均为锐角,满足word/media/image27.wmf,则word/media/image28.wmf( )
A.word/media/image29.wmf B.word/media/image30.wmf C.word/media/image31.wmf D.word/media/image32.wmf
6.中国古代有计算多项式值的秦九韶算法,右图是实现该算法的程序框图.执行该程序框图,若输入的,,依次输入的为2,2,5,则输出的( )
A.7 B.12 C.17 D.34
7.已知word/media/image38.wmf,则word/media/image39.wmf( )
A.word/media/image40.wmf B.word/media/image41.wmf C.word/media/image42.wmf D.7
8.过直线word/media/image43.wmf上一点word/media/image12.wmf作圆word/media/image44.wmf的两条切线word/media/image45.wmf、word/media/image46.wmf,切点为word/media/image47.wmf,word/media/image48.wmf,若直线word/media/image45.wmf,word/media/image46.wmf关于直线word/media/image43.wmf对称,则word/media/image49.wmf等于( )
A.word/media/image51.wmf B.word/media/image52.wmf C.word/media/image53.wmf D.word/media/image54.wmf
9.设等差数列word/media/image55.wmf的前n项和为word/media/image56.wmf,若word/media/image57.wmf,word/media/image58.wmf,则当word/media/image56.wmf取最小值时,word/media/image59.wmf等于
A.word/media/image60.wmf B.word/media/image61.wmf C.word/media/image62.wmf D.word/media/image63.wmf
10.数列{an}的通项公式是an=(n+2)word/media/image64.wmf,那么在此数列中( )
A.a7=a8最大 B.a8=a9最大
C.有唯一项a8最大 D.有唯一项a7最大
11.已知向量,,若与平行,则实数x的值是
A. B.0 C.1 D.2
12.下列函数中,既是偶函数又存在零点的是( )
A. B. C. D.
二、填空题
13.下表记录了某公司投入广告费word/media/image76.wmf与销售额word/media/image77.wmf的统计结果,由表可得线性回归方程为word/media/image78.wmf,据此方程预报当word/media/image79.wmf时,word/media/image80.wmf__.
附:参考公式:word/media/image81.wmf,word/media/image82.wmf
14.函数word/media/image83.wmf的单调增区间是_____.
15.在平行四边形ABCD中,已知AB=2,AD=1,word/media/image84.wmf,E为CD的中点,
则word/media/image85.wmf
16.等差数列word/media/image86.wmf中,word/media/image87.wmf公差word/media/image88.wmf.则word/media/image89.wmf与word/media/image90.wmf的等差中项是_____(用数字作答)
三、解答题
17.如图是函数word/media/image91.wmfword/media/image92.wmf的部分图像,word/media/image93.wmf是它与word/media/image94.wmf轴的两个不同交点,word/media/image95.wmf是word/media/image93.wmf之间的最高点且横坐标为word/media/image19.wmf,点word/media/image96.wmf是线段word/media/image97.wmf的中点.
(1)求函数word/media/image98.wmf的解析式及word/media/image99.wmf上的单调增区间;
(2)若word/media/image100.wmf时,函数word/media/image101.wmf的最小值为word/media/image102.wmf,求实数word/media/image103.wmf的值.
18.已知某观光海域AB段的长度为3百公里,一超级快艇在AB段航行,经过多次试验得到其每小时航行费用Q(单位:万元)与速度v(单位:百公里/小时)(0≤v≤3)的以下数据:
为描述该超级快艇每小时航行费用Q与速度v的关系,现有以下三种函数模型供选择:Q=av3+bv2+cv,Q=0.5v+a,Q=klogav+b.
(1)试从中确定最符合实际的函数模型,并求出相应的函数解析式;
(2)该超级快艇应以多大速度航行才能使AB段的航行费用最少?并求出最少航行费用.
19.已知数列word/media/image55.wmf的前n项和word/media/image107.wmf,word/media/image108.wmf是等差数列,且word/media/image109.wmf.
(Ⅰ)求数列word/media/image108.wmf的通项公式;
(Ⅱ)令word/media/image110.wmf.求数列word/media/image111.wmf的前n项和word/media/image112.wmf.
20.设word/media/image113.wmf.
(1)求word/media/image114.wmf的单调递减区间;
(2)把word/media/image115.wmf的图象上所有点的横坐标伸长到原来的2倍(纵坐标不变),再把得到的图象向左平移word/media/image116.wmf 个单位,得到函数word/media/image117.wmf的图象,求word/media/image118.wmf的值.
21.在一条笔直公路上有A,B两地,甲骑自行车从A地到B地,乙骑着摩托车从B地到A地,到达A地后立即按原路返回,如图是甲乙两人离A地的距离与行驶时间之间的函数图象,根据图象解答以下问题:
直接写出,与x之间的函数关系式不必写过程,求出点M的坐标,并解释该点坐标所表示的实际意义;
若两人之间的距离不超过5km时,能够用无线对讲机保持联系,求在乙返回过程中有多少分钟甲乙两人能够用无线对讲机保持联系;
若甲乙两人离A地的距离之积为,求出函数的表达式,并求出它的最大值.
22.已知word/media/image128.wmf.
(I)若函数word/media/image129.wmf有三个零点,求实数word/media/image103.wmf的值;
(II)若对任意word/media/image130.wmf,均有word/media/image131.wmf恒成立,求实数word/media/image132.wmf的取值范围.
【参考答案】***
一、选择题
二、填空题
13.5
14.word/media/image133.wmf
15.word/media/image134.wmf
16.5
三、解答题
17.(1)word/media/image135.wmf(2)word/media/image136.wmf
18.(1)选择函数模型word/media/image137.wmf,函数解析式为word/media/image138.wmf;(2)以1百公里/小时航行时可使AB段的航行费用最少,且最少航行费用为2.1万元.
19.(Ⅰ);(Ⅱ)
20.(1)word/media/image141.wmf(2)word/media/image142.wmf
21.(1)M(,),甲乙经过h第一次相遇,此时离A距离km;(2)甲乙两人能够用无线对讲机保持联系;(3)可得f(x)的最大值为f(2)=1600.
22.(I)word/media/image145.wmf或word/media/image146.wmf;(II)word/media/image147.wmf.
2019-2020学年高一数学上学期期末试卷
一、选择题
1.已知word/media/image148.wmf表示三条不同的直线,word/media/image149.wmf表示两个不同的平面,下列说法中正确的是( )
A.若word/media/image150.wmf,则word/media/image151.wmf B.若word/media/image152.wmf,则word/media/image153.wmf
C.若word/media/image154.wmf,则word/media/image155.wmf D.若word/media/image156.wmf,则word/media/image153.wmf
2.已知变量word/media/image157.wmf,word/media/image77.wmf满足约束条件word/media/image158.wmf则word/media/image159.wmf取最大值为( )
A.word/media/image160.wmf B.word/media/image161.wmf C.1 D.2
3.如图所示,在正方体word/media/image162.wmf中,侧面对角线word/media/image163.wmf,word/media/image164.wmf上分别有一点E,F,且word/media/image165.wmf,则直线EF与平面ABCD所成的角的大小为( )
A.0° B.60° C.45° D.30°
4.一个平面载一球得到直径为6cm的圆面,球心到这个圆面的距离为4cm,则球的体积为( )
A.word/media/image167.wmf B.word/media/image168.wmf C.word/media/image169.wmf D.word/media/image170.wmf
5.已知函数在区间上是减函数,则的最大值为
A. B.7 C.32 D.无法确定
6.如图,有一个水平放置的透明无盖的正方体容器,容器高4cm,将一个球放在容器口,再向容器内注水,当球面恰好接触水面时测得水深为3cm,如果不计容器的厚度,则球的体积为
A.
B.
C.
D.
7.已知函数word/media/image180.wmf,则下列关于函数word/media/image181.wmf的说法中正确的是word/media/image182.wmf word/media/image183.wmf
A.其最小正周期为word/media/image184.wmf
B.其图象关于直线word/media/image185.wmf对称
C.其图象关于点word/media/image186.wmf对称
D.当word/media/image187.wmf时,word/media/image181.wmf的最小值为word/media/image188.wmf
8.已知word/media/image98.wmf为定义在word/media/image189.wmf上的奇函数,word/media/image190.wmf,且对任意的word/media/image191.wmf,当word/media/image192.wmf时,word/media/image193.wmf,则不等式word/media/image194.wmf的解集为
A.word/media/image195.wmf B.word/media/image196.wmf C.word/media/image197.wmf D.word/media/image198.wmf
9.函数word/media/image199.wmf的零点所在的区间为( )
A.word/media/image200.wmf B.word/media/image201.wmf C.word/media/image202.wmf D.word/media/image203.wmf
10.已知word/media/image204.wmf是第二象限角,word/media/image205.wmf为其终边上一点,且word/media/image206.wmf,则word/media/image207.wmf( )
A.word/media/image208.wmf B.word/media/image209.wmf C.word/media/image210.wmf D.word/media/image211.wmf
11.在word/media/image212.wmf中,“word/media/image213.wmf”是“word/media/image214.wmf”的( )
A.充分非必要条件 B.必要非充分条件
C.充要条件 D.既非充分又非必要条件
12.word/media/image215.wmf的值是( )
A.word/media/image216.wmf B.word/media/image217.wmf C.word/media/image218.wmf D.word/media/image219.wmf
二、填空题
13.直三棱柱ABC-A1B1C1,内接于球O,且AB⊥BC,AB=3.BC=4.AA1=4,则球O的表面积______.
14.设word/media/image220.wmf,向量word/media/image221.wmf,word/media/image222.wmf,若word/media/image223.wmf,则word/media/image224.wmf__________.
15.已知函数y=sin(πx+φ)﹣2cos(πx+φ)(0<φ<π)的图象关于直线x=1对称,则sin2φ .
16.点word/media/image225.wmf是直线word/media/image226.wmf上一动点,word/media/image227.wmf是圆word/media/image228.wmf的两条切线,word/media/image229.wmf是切点,若四边形word/media/image230.wmf面积的最小值为2,则word/media/image132.wmf的值为______.
三、解答题
17.在word/media/image231.wmf中,角word/media/image47.wmf,word/media/image48.wmf,word/media/image232.wmf的对边分别为word/media/image103.wmf,word/media/image233.wmf,word/media/image234.wmf.且满足word/media/image235.wmf.
(Ⅰ)求角word/media/image48.wmf;
(Ⅱ)若word/media/image231.wmf的面积为word/media/image236.wmf,word/media/image237.wmf,求边word/media/image233.wmf.
18.已知向量word/media/image238.wmf,word/media/image239.wmf,函数word/media/image240.wmf.
(1)若word/media/image241.wmf,求word/media/image94.wmf的取值集合;
(2)当word/media/image242.wmf时,不等式word/media/image243.wmf恒成立,求word/media/image244.wmf的取值范围.
19.在word/media/image245.wmf中,内角word/media/image47.wmf、word/media/image48.wmf、word/media/image232.wmf所对的边分别为word/media/image103.wmf、word/media/image233.wmf、word/media/image234.wmf,且word/media/image246.wmfword/media/image247.wmf.
(1)求word/media/image232.wmf;
(2)若word/media/image248.wmf,word/media/image249.wmf,求word/media/image234.wmf.
20.已知等差数列word/media/image250.wmf满足word/media/image251.wmf,word/media/image252.wmf,公比为正数的等比数列word/media/image253.wmf满足word/media/image254.wmf,word/media/image255.wmf.
(1)求数列word/media/image250.wmf,word/media/image253.wmf的通项公式;
(2)设word/media/image256.wmf,求数列word/media/image257.wmf的前word/media/image59.wmf项和word/media/image258.wmf.
21.已知函数word/media/image259.wmf的定义域为R.
(1)求a的取值范围.
(2)若该函数的最小值为word/media/image260.wmf,解关于x的不等式word/media/image261.wmf.
22.已知的三个顶点,,,其外接圆为圆.
(1)求圆的方程;
(2)若直线过点,且被圆截得的弦长为,求直线的方程;
(3)对于线段上的任意一点,若在以为圆心的圆上都存在不同的两点,,使得点是线段的中点,求圆的半径的取值范围.
【参考答案】***
一、选择题
二、填空题
13.word/media/image276.wmf
14.word/media/image102.wmf
15.
16.word/media/image278.wmf
三、解答题
17.(Ⅰ)word/media/image279.wmf;(Ⅱ)word/media/image280.wmf
18.(1)word/media/image281.wmf或word/media/image282.wmf;(2)word/media/image283.wmf.
19.(1)word/media/image284.wmf(2)word/media/image285.wmf
20.(1)word/media/image286.wmf;(2)word/media/image287.wmf.
21.(1)[0,1];(2)word/media/image288.wmf.
22.(1)(2)或(3)
2019-2020学年高一数学上学期期末试卷
一、选择题
1.已知椭圆word/media/image232.wmf的方程为word/media/image293.wmf(word/media/image294.wmf),如果直线word/media/image295.wmf与椭圆的一个交点word/media/image296.wmf在word/media/image94.wmf轴上的射影恰好是椭圆的右焦点word/media/image297.wmf,则word/media/image244.wmf的值为()
A.2 B.2word/media/image298.wmf C.4 D.8
2.已知函数word/media/image299.wmf,则不等式word/media/image300.wmf的解集为( )
A.word/media/image301.wmf B.word/media/image302.wmf C.word/media/image303.wmf D.word/media/image304.wmf
3.在word/media/image245.wmf中,角word/media/image47.wmf,word/media/image48.wmf,word/media/image232.wmf所对的边分别是word/media/image103.wmf,word/media/image233.wmf,word/media/image234.wmf,word/media/image305.wmf,word/media/image306.wmf,word/media/image307.wmf,则word/media/image308.wmf( )
A.word/media/image309.wmf或word/media/image310.wmf B.word/media/image310.wmf
C.word/media/image309.wmf D.word/media/image311.wmf
4.已知当word/media/image312.wmf时函数word/media/image313.wmf取得最小值,则word/media/image314.wmf( )
A.-5 B.5 C.word/media/image315.wmf D.word/media/image316.wmf
5.已知word/media/image317.wmf word/media/image183.wmf
A.word/media/image318.wmf B.word/media/image319.wmf C.word/media/image320.wmf D.word/media/image321.wmf
6.设word/media/image322.wmf,word/media/image323.wmf3,word/media/image324.wmf,则word/media/image325.wmf( )
A.word/media/image326.wmf B.word/media/image327.wmf C.word/media/image328.wmf3,word/media/image324.wmf D.word/media/image328.wmf2,3,word/media/image324.wmf
7.设word/media/image329.wmf,word/media/image330.wmf,word/media/image331.wmf,则word/media/image332.wmf的大小关系是( )
A.word/media/image333.wmf B.word/media/image334.wmf C.word/media/image335.wmf D.word/media/image336.wmf
8.设word/media/image337.wmf,word/media/image338.wmf,word/media/image339.wmf,则word/media/image103.wmf、word/media/image233.wmf、word/media/image234.wmf的大小关系为
A.word/media/image333.wmf B.word/media/image340.wmf
C.word/media/image341.wmf D.word/media/image342.wmf
9.已知函数word/media/image343.wmf,下列说法错误的是( )
A.函数word/media/image181.wmf最小正周期是word/media/image344.wmf B.函数word/media/image181.wmf是偶函数
C.函数word/media/image181.wmf图像关于word/media/image345.wmf对称 D.函数word/media/image181.wmf在word/media/image346.wmf上是增函数
10.设全集word/media/image347.wmf,集合word/media/image348.wmf,word/media/image349.wmf,则word/media/image350.wmf( )
A.word/media/image351.wmf B.word/media/image352.wmf C.word/media/image353.wmf D.word/media/image354.wmf
11.某程序框图如图所示,若输出的S=26,则判断框内应填( )
A.k>3? B.k>4?
C.k>5? D.k>6?
12.在梯形word/media/image356.wmf中,word/media/image357.wmf,word/media/image358.wmf,word/media/image359.wmf.将梯形word/media/image356.wmf绕word/media/image360.wmf所在直线旋转一周而形成的曲面所围成的几何体的体积为( )
A.word/media/image361.wmf B.word/media/image362.wmf C.word/media/image363.wmf D.word/media/image364.wmf
二、填空题
13.有五条线段,长度分别为2,3,5,7,9,从这五条线段中任取三条,则所取三条线段能构成一个三角形的概率为___________.
14.已知,则__________.
15.已知函数word/media/image367.wmf,word/media/image368.wmf.若使不等式word/media/image369.wmf成立的整数word/media/image94.wmf恰有word/media/image370.wmf个,则实数word/media/image132.wmf的取值范围是____
16.在word/media/image245.wmf中,角word/media/image47.wmf,word/media/image48.wmf,word/media/image232.wmf所对的边分别为word/media/image103.wmf,word/media/image233.wmf,word/media/image234.wmf,word/media/image245.wmf的面积为word/media/image371.wmf,若word/media/image372.wmf,且word/media/image373.wmf,则word/media/image374.wmf__________.
三、解答题
17.已知直线word/media/image375.wmf:word/media/image376.wmf及圆心为word/media/image232.wmf的圆word/media/image232.wmf:word/media/image377.wmf.
(1)当word/media/image378.wmf时,求直线word/media/image375.wmf与圆word/media/image232.wmf相交所得弦长;
(2)若直线word/media/image375.wmf与圆word/media/image232.wmf相切,求实数word/media/image103.wmf的值.
18.医药公司针对某种疾病开发了一种新型药物,患者单次服用制定规格的该药物后,其体内的药物浓度word/media/image379.wmf随时间word/media/image380.wmf的变化情况(如图所示):当word/media/image381.wmf时,word/media/image234.wmf与word/media/image382.wmf的函数关系式为word/media/image383.wmf(word/media/image244.wmf为常数);当word/media/image384.wmf时,word/media/image234.wmf与word/media/image382.wmf的函数关系式为word/media/image385.wmf(word/media/image244.wmf为常数).服药word/media/image386.wmf后,患者体内的药物浓度为word/media/image387.wmf,这种药物在患者体内的药物浓度不低于最低有效浓度,才有疗效;而超过最低中毒浓度,患者就会有危险.
(1)首次服药后,药物有疗效的时间是多长?
(2)首次服药1小时后,可否立即再次服用同种规格的这种药物?
(参考数据:word/media/image388.wmf,word/media/image389.wmf)
19.设word/media/image391.wmf.
(1)化简word/media/image98.wmf;
(2)已知word/media/image392.wmf,求word/media/image393.wmf的值.
20.已知三棱柱word/media/image394.wmf中,word/media/image395.wmf底面word/media/image396.wmf,word/media/image397.wmf,word/media/image398.wmf,word/media/image399.wmf,word/media/image95.wmf、word/media/image400.wmf、word/media/image297.wmf分别是word/media/image163.wmf、word/media/image401.wmf、word/media/image402.wmf的中点.
(1)求证:word/media/image404.wmf平面word/media/image396.wmf;
(2)求三棱锥word/media/image405.wmf的体积.
21.在等差数列word/media/image55.wmf中,word/media/image406.wmf,word/media/image407.wmf.
(word/media/image408.wmf)求数列word/media/image55.wmf的通项公式.
(word/media/image409.wmf)设word/media/image410.wmf,求word/media/image411.wmf的值.
22.已知集合word/media/image412.wmf=R.
(1)求word/media/image413.wmf;
(2)求(word/media/image414.wmfA)word/media/image415.wmf;
(3)如果非空集合word/media/image416.wmf,且Aword/media/image417.wmf,求word/media/image244.wmf的取值范围.
【参考答案】***
一、选择题
二、填空题
13.word/media/image418.wmf
14.
15.word/media/image420.wmf
16.word/media/image51.wmf
三、解答题
17.(1) 弦长为4;(2) 0
18.(1)word/media/image421.wmf小时;(2)略
19.(1)word/media/image422.wmf(2)word/media/image423.wmf
20.(1)详略;(2)word/media/image424.wmf.
21.(1)word/media/image425.wmf.
(2)1112.
22.(1)word/media/image426.wmf(2)word/media/image427.wmf(3)word/media/image428.wmf或word/media/image429.wmf.
2019-2020学年高一数学上学期期末试卷
一、选择题
1.下列函数中,既是偶函数又在上是单调递减的是( )
A. B. C. D.
2.若三棱锥word/media/image435.wmf中,word/media/image436.wmf,word/media/image437.wmf,word/media/image438.wmf,且word/media/image439.wmf,word/media/image440.wmf,word/media/image441.wmf,则该三棱锥外接球的表面积为()
A.word/media/image442.wmf B.word/media/image443.wmf C.word/media/image444.wmf D.word/media/image445.wmf
3.已知函数word/media/image446.wmf相邻两个零点之间的距离为word/media/image447.wmf,将word/media/image448.wmf的图象向右平移word/media/image449.wmf个单位长度,所得的函数图象关于word/media/image77.wmf轴对称,则word/media/image450.wmf的一个值可能是( )
A.word/media/image451.wmf B.word/media/image447.wmf C.word/media/image19.wmf D.word/media/image452.wmf
4.圆周率是圆的周长与直径的比值,一般用希腊字母word/media/image451.wmf表示.早在公元480年左右,南北朝时期的数学家祖冲之就得出精确到小数点后7位的结果,他是世界上第一个把圆周率的数值计算到小数点后第7位的人,这比欧洲早了约1000年.在生活中,我们也可以通过设计如下实验来估计word/media/image451.wmf的值:在区间word/media/image453.wmf内随机抽取200个数,构成100个数对word/media/image454.wmf,其中以原点为圆心,1为半径的圆的内部的数对word/media/image454.wmf共有78个,则用随机模拟的方法得到的word/media/image451.wmf的近似值为( )
A.word/media/image455.wmf B.word/media/image456.wmf C.word/media/image457.wmf D.word/media/image458.wmf
5.已知圆word/media/image459.wmf,圆 word/media/image460.wmf ,则圆word/media/image461.wmf与圆word/media/image462.wmf的位置关系是( )
A.相离 B.相交 C.外切 D.内切
6.如图所示,在正方形ABCD中,E为AB的中点,F为CE的中点,则word/media/image463.wmf
A.word/media/image465.wmf B.word/media/image466.wmf
C.word/media/image467.wmf D.word/media/image468.wmf
7.函数f(x)=(word/media/image469.wmf)x-x+1的零点所在的一个区间是( )
A.(-1,0) B.(0,1) C.(1,2) D.(2,3)
8.直线word/media/image470.wmf被圆word/media/image471.wmf截得的弦长为word/media/image472.wmf,则直线的倾斜角为( )
A.word/media/image473.wmf B.word/media/image474.wmf C.word/media/image473.wmf或word/media/image475.wmf D.word/media/image474.wmf或word/media/image361.wmf
9.函数word/media/image476.wmf的图象大致是( )
A. B. C. D.
10.已知函数word/media/image481.wmf的周期为2,当word/media/image482.wmf时,word/media/image483.wmf,如果word/media/image484.wmf,则函数的所有零点之和为( )
A.8 B.6 C.4 D.10
11.在word/media/image231.wmf中,角word/media/image485.wmf所对的边分别为word/media/image332.wmf,若word/media/image486.wmf,则角word/media/image48.wmf的值
A.word/media/image487.wmf B.word/media/image474.wmf C.word/media/image487.wmf或word/media/image475.wmf D.word/media/image474.wmf或word/media/image361.wmf
12.已知圆word/media/image488.wmf:word/media/image489.wmf,圆word/media/image490.wmf:word/media/image491.wmf,点word/media/image492.wmf、word/media/image493.wmf分别是圆word/media/image488.wmf、圆word/media/image490.wmf上的动点,word/media/image494.wmf为word/media/image495.wmf轴上的动点,则word/media/image496.wmf的最大值是( )
A.word/media/image497.wmf B.9 C.7 D.word/media/image498.wmf
二、填空题
13.已知函数word/media/image499.wmf,若函数word/media/image500.wmf有四个零点,则实数m的取值范围为______.
14.在三棱锥P-ABC中,PA⊥AB,AC⊥AB,PA=3,AC=4,PC=5,且三棱锥P-ABC的外接球的表面积为28π,则AB=______.
15.已知一个正方体的所有顶点在一个球面上,若这个正方体的表面积为18,则这个球的体积为______.
16.word/media/image245.wmf的内角word/media/image485.wmf的对边分别为word/media/image332.wmf,若word/media/image501.wmf,则word/media/image308.wmf ________.
三、解答题
17.(1)关于word/media/image157.wmf的不等式word/media/image502.wmf的解集非空,求实数word/media/image103.wmf的取值范围;
(2)已知word/media/image503.wmf,求函数word/media/image504.wmf的最大值.
18.设word/media/image56.wmf为等差数列word/media/image55.wmf的前word/media/image59.wmf项和,已知word/media/image505.wmf,word/media/image506.wmf.
(1)求数列word/media/image55.wmf的通项公式;
(2)令word/media/image507.wmf,且数列word/media/image508.wmf的前word/media/image59.wmf项和为word/media/image112.wmf,求证:word/media/image509.wmf.
19.如图,在平面直角坐标系word/media/image510.wmf中,椭圆word/media/image511.wmf的左、右焦点分别为word/media/image512.wmf,word/media/image513.wmf,word/media/image12.wmf为word/media/image232.wmf椭圆上一点,且word/media/image514.wmf垂直于word/media/image94.wmf轴,连结word/media/image515.wmf并延长交椭圆于另一点word/media/image106.wmf,设word/media/image516.wmf.
(1)若点word/media/image12.wmf的坐标为word/media/image518.wmf,求椭圆word/media/image232.wmf的方程及word/media/image519.wmf的值;
(2)若word/media/image520.wmf,求椭圆word/media/image232.wmf的离心率的取值范围.
20.已知函数word/media/image521.wmf,word/media/image522.wmf.
word/media/image523.wmf若函数word/media/image521.wmf为奇函数,求实数a的值;
word/media/image524.wmf设函数word/media/image525.wmf,且word/media/image526.wmf,已知word/media/image527.wmf对任意的word/media/image528.wmf恒成立,求a的取值范围.
21.已知,,是同一平面内的三个向量,其中=(1,2)。
(1)若,且∥,求的坐标。
(2)若,且与垂直,求与的夹角。
22.如图, word/media/image536.wmf是平面四边形word/media/image356.wmf的对角线, word/media/image537.wmf, word/media/image538.wmf,且word/media/image539.wmf.现在沿word/media/image536.wmf所在的直线把word/media/image540.wmf折起来,使平面word/media/image541.wmf平面word/media/image542.wmf,如图.
(1)求证: word/media/image544.wmf平面word/media/image545.wmf;
(2)求点word/media/image95.wmf到平面word/media/image396.wmf的距离.
【参考答案】***
一、选择题
二、填空题
13.word/media/image546.wmf
14.word/media/image547.wmf
15.word/media/image548.wmf
16.word/media/image474.wmf
三、解答题
17.(1)word/media/image549.wmf(2) word/media/image550.wmf
18.(1)word/media/image425.wmf,word/media/image551.wmf(2)略
19.(1)word/media/image552.wmf;word/media/image553.wmf(2)word/media/image554.wmf
20.(1)word/media/image555.wmf;(2)word/media/image556.wmf
21.(1)=(2,4)或=(-2,-4);(2)
22.(1)略;(2)word/media/image260.wmf.
2019-2020学年高一数学上学期期末试卷
一、选择题
1.在word/media/image231.wmf中,word/media/image558.wmf,且word/media/image245.wmf面积为1,则下列结论不正确的是( )
A.word/media/image559.wmf B.word/media/image560.wmf C.word/media/image561.wmf D.word/media/image562.wmf
2.在word/media/image245.wmf中,已知word/media/image563.wmf,且word/media/image378.wmf,则word/media/image564.wmf的值是( )
A.word/media/image370.wmf B.word/media/image102.wmf C.word/media/image161.wmf D.word/media/image565.wmf
3.设x∈R,则“|x-2|<1”是“x2+x-2>0”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
4.在任意平面四边形ABCD中,点E,F分别在线段AD,BC上,word/media/image566.wmf,给出下列四组等式
word/media/image567.wmf,word/media/image568.wmf
word/media/image569.wmf,word/media/image570.wmf
word/media/image571.wmf,word/media/image570.wmf
word/media/image572.wmf,word/media/image570.wmf
其中,能使word/media/image519.wmf,word/media/image573.wmf为常数的组数是word/media/image182.wmf word/media/image183.wmf
A.1 B.2 C.3 D.4
5.下列函数中,值域是word/media/image574.wmf的是( )
A.word/media/image575.wmf B.word/media/image576.wmf
C.word/media/image577.wmf D.word/media/image578.wmf
6.已知实数word/media/image579.wmf满足约束条件word/media/image580.wmf,则word/media/image581.wmf的最小值是
A.word/media/image160.wmf B.word/media/image161.wmf C.1 D.2
7.给出以下命题(其中word/media/image103.wmf,word/media/image233.wmf,word/media/image375.wmf是空间中不同的直线,word/media/image204.wmf,word/media/image582.wmf,word/media/image583.wmf是空间中不同的平面):①若word/media/image584.wmf,word/media/image585.wmf,则word/media/image586.wmf;②若word/media/image587.wmf,word/media/image588.wmf,则word/media/image586.wmf;③若word/media/image589.wmf,word/media/image590.wmf,则word/media/image591.wmf;④若word/media/image592.wmf,word/media/image593.wmf,word/media/image594.wmf,word/media/image585.wmf,则word/media/image595.wmf.其中正确的个数为( )
A.0个 B.1个 C.2个 D.3个
8.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
9.函数word/media/image199.wmf的零点所在的区间为( )
A.word/media/image200.wmf B.word/media/image201.wmf C.word/media/image202.wmf D.word/media/image203.wmf
10.正方体word/media/image162.wmf中,word/media/image597.wmf分别是word/media/image598.wmf的中点.那么,正方体的过word/media/image597.wmf的截面图形是( )
A.三角形 B.四边形 C.五边形 D.六边形
11.下列四个推导过程符合演绎推理三段论形式且推理正确的是( )
A.大前提无限不循环小数是无理数,小前提π是无理数,结论π是无限不循环小数
B.大前提无限不循环小数是无理数,小前提π是无限不循环小数,结论π是无理数
C.大前提π是无限不循环小数,小前提无限不循环小数是无理数,结论π是无理数
D.大前提π是无限不循环小数,小前提π是无理数,结论无限不循环小数是无理数
12.某几何体的三视图如图所示,则该几何体的表面积为( )
A.180 B.200 C.220 D.240
二、填空题
13.已知实数word/media/image579.wmf满足不等式组word/media/image600.wmf,则word/media/image601.wmf的取值范围为__________.
14.已知word/media/image602.wmf,则word/media/image603.wmf=_____;word/media/image604.wmf=_____.
15.函数word/media/image605.wmf的最小值是______
16.如图,正方体word/media/image162.wmf中,word/media/image606.wmf的中点为word/media/image296.wmf,word/media/image607.wmf的中点为word/media/image608.wmf,word/media/image12.wmf为棱word/media/image609.wmf上一点,则异面直线word/media/image610.wmf与word/media/image611.wmf所成角的大小为__________.
三、解答题
17.已知正项数列word/media/image86.wmf前word/media/image59.wmf项和为word/media/image56.wmf,word/media/image613.wmf
(1)求word/media/image614.wmf的值,并求数列word/media/image55.wmf的通项公式word/media/image615.wmf;
(2)设word/media/image616.wmf,数列word/media/image617.wmf前word/media/image59.wmf项和为word/media/image112.wmf,求使不等式word/media/image618.wmf成立的正整数word/media/image59.wmf组成的集合.
18.设,已知向量,且.
(1)求的值;
(2)求的值.
19.某市从高二年级随机选取1000名学生,统计他们选修物理、化学、生物、政治、历史和地理六门课程(前3门为理科课程,后3门为文科课程)的情况,得到如下统计表,其中“√”表示选课,“空白”表示未选.
(Ⅰ)在这1000名学生中,从选修物理的学生中随机选取1人,求该学生选修政治的概率;
(Ⅱ)在这1000名学生中,从选择方案一、二、三的学生中各选取2名学生,如果在这6名学生中随机选取2名,求这2名学生除选修物理以外另外两门选课中有相同科目的概率;
(Ⅲ)利用表中数据估计该市选课偏文(即选修至少两门文科课程)的学生人数多还是偏理(即选修至少两门理科课程)的学生人数多,并说明理由.
20.已知函数.
(1)若,求不等式的解集;
(2)若为偶函数,求的值.
21.(1)已知word/media/image630.wmf,求word/media/image631.wmf的值;
(2)已知word/media/image632.wmf,word/media/image633.wmf ,求word/media/image634.wmf的值.
22.已知函数word/media/image635.wmf.
(1)若word/media/image636.wmf的定义域为word/media/image637.wmf(word/media/image638.wmf是自然对数的底数),求函数word/media/image639.wmf的最大值和最小值;
(2)求函数word/media/image640.wmf的零点个数.
【参考答案】***
一、选择题
二、填空题
13.word/media/image641.wmf
14.-2 word/media/image642.wmf
15.word/media/image565.wmf
16.word/media/image447.wmf
三、解答题
17.(1)word/media/image643.wmf;(2)word/media/image644.wmf
18.(1)(2)
19.(Ⅰ)word/media/image647.wmf;(Ⅱ)word/media/image648.wmf;(Ⅲ)该市选课偏理的学生人数多
20.(1)(2)
21.(1) word/media/image418.wmf (2) word/media/image651.wmf
22.(1)word/media/image652.wmf,word/media/image653.wmf(2)2个