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-2016高一期中考试题

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篇一:2015-2016期中考试广州五校联考高一数学卷

2015-2016学年下学期期中五校联考

高一数学

试卷共4页,22小题,满分150分。考试用时120分钟。

第I卷 选择题(60分)

一、选择题:本大题共12小题,每小题5分,共60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.在半径为1的圆中,3弧度的圆心角所对的弧长为( )

3A.3 B.3? C. D.以上都不对 2

2.若向量?(1,2),?(3,4),则?( )

A.(4,6)B.(?4,?6)C.(?2,?2)D.(2,2)

3.sin330??( )

113A.? B.? C. D. 2222

4.若sin??0且tan??0,则?是( )

A.第一象限角B.第二象限角

C.第三象限角D.第四象限角

5.在四边形ABCD中,??0且?,则四边形ABCD是( )

A.梯形B.菱形

C.矩形D.平行四边形

2sin??cos?6.若tan??2,则的值为( ) sin??2cos?

35A.0B. C.1 D. 44

7.已知?ABC为正三角形,其边长为2,则AB?BC?( )

A.2 B.?2 C.?23 D.23

?1?8.若sin(??)?,则cos(??)?( ) 633

7117A.? B.? C. D. 3399

?9.函数f(x)?sin(x?)的图象的一条对称轴是( ) 4

??A.x? B.x? 42

??C.x?? D.x?? 42

10.31??( ) ??cos10sin10

A.2 B.?2 C.4 D.?4

11.已知点O是?ABC所在平面内的一定点,P是平面ABC内一动点,若

1???(?),??(0,??),则点P的轨迹一定经过?ABC的( ) 2

A.垂心B.重心

C.内心D.外心

??5??12.如图1是函数y?Asin(?x??)(x?R)在区间??,?上的图象,为了得到这个函?66?

数的图象,只要将y?sinx(x?R)的图象上所有的点( )

?A.向左平移个单位长度,再把所得各点的横坐标 3

1缩短到原来的,纵坐标不变 2

?B.向左平移个单位长度,再把所得各点的横坐标 3伸长到原来的2倍,纵坐标不变 ?C.向左平移个单位长度,再把所得各点的横坐标 6

1缩短到原来的,纵坐标不变 图1 2

?D.向左平移个单位长度,再把所得各点的横坐标 6

伸长到原来的2倍,纵坐标不变

第II卷 非选择题(90分)

二、填空题:本大题共4小题,每小题5分,共20分.

5???13.已知???,??,sin??,则tan2?? 52??

14

?4?2且两个向量的夹角为120

?,则3a??

15.函数f(x)?sinx?cosx?1x的零点个数为 2

BC中,M为AB的三等分点,AM:AB?1:3,N为AC的中点,BN与CM16.在?A

交于点E,?,?,则AE? .(用m,n表示)

三、解答题:本大题共6小题,共70分,解答应写出文字说明,证明过程或演算步骤.

17.(本小题满分10分)

已知角?的终边上一点(3t,4t),t?0,求sin?,cos?,tan?的值.

18.(本小题满分12分) 已知?(6,2),?(?3,k),当k为何值时:

(1)//?

(2)??

(3)a与b的夹角为钝角?

19.(本小题满分12分) ?3??3??5???3已知sin?,求cos?????. ????,cos?????,且0??????44?4?13?4?5

20.(本小题满分12分)

在平面直角坐标系xoy中,点Acos?,2sin?,B?sin?,0?,其中??R.

2?(1)当??时,求向量AB的坐标; 3

???(2)当?

??0,?的最大值. ?2???

21.(本小题满分12分)

如图2,有一块正方形区域ABCD,现在要划出一个直角三角形AEF区域进行绿化,

????满足:EF=1米,设?AEF??,???,?,边界AE,AF,EF的费用为每米1万元,区?63?

域内的费用为每平方米4万元.

(1)求总费用y关于?的函数;

(2)求最小的总费用和对应?的值.

C

B E 图2

22.(本小题满分12分)

已知函数f(x)的图象是由函数g(x)?cosx的图象经如下变换得到:先将g(x)图象

?上所有点的纵坐标伸长到原来的2倍(横坐标不变),再将所得到的图象向右平移个2

单位长度.

(1)求函数f(x)的解析式,并求其图象的对称中心;

(2)已知关于x的方程f(x)?g(x)?m在?0,2??内有两个不同的解?,?.

①求实数m的取值范围; 2m2

?1. ②证明:cos(???)?5

篇二:深圳市宝安中学2015-2016第一学期高一期中考试数学试题(含答案)

宝安中学2015—2016学年第一学期期中考试

高一数学试题

命题:许世清 审题:罗崇文 2015.11.09 选择题(1—12题,每小题5分,共60分)

1.集合M?{0?1},则其真子集有

A.1个 B. 2个 C. 3个 D. 4个

2.下列函数中,在其定义域内既是奇函数又是减函数的是

A.y?x B.y??x3 C.y?1x1 D. y?() 2x

3. 下列四个图形中不可能是函数y?f(x)图象的是

x

A

4.若3a=2,则log38-2log36用a的代数式可表示为

A a-2B 3a-(1+a)2 C 5a-2 D 3a-a2 . . . 5. 函数y?x的大致图像是

43 A BC D

36. 函数f(x)?log1(x2?3x?2)的单调递增区间为

A.(-∞,1)

xB.(2,+∞) C.(-∞,33) D.(,+∞) 227. 函数f(x)?e(e是自然对数的底数),对任意的实数x,y?R都有

A f(x?y)?f(x)?f(y) B f(xy)?f(x)?f(y)

C f(x?y)?f(x)?f(y) D f(xy)?f(x)?f(y)

8.右图给出了红豆生长时间t(月)与枝数y(枝)的散点图:那么

“红豆生南国,春来发几枝.”的红豆生长时间与枝数的关系用下列

哪个函数模型拟合最好?

A.指数函数:y?2t B.对数函数:y?log2t

C.幂函数:y?t3

x9. 函数y?a?D.二次函数:y?2t2 1(a?0,a?1)的图象可能是

a

A B C D

10.若集合M?{(x,y)|x?y?0},N?{(x,y)|x2?y2?0,x?R,y?R},则有

A、M∪N=MB、M∪N=N C、M∩N=M D、M∩N=?

?2x,x?(??,2]11.设函数f(x)??,则满足f(x)?4的x的值是

?log2x,x?(2,??)

A.2B.16 C.2或16D.-2或16

212.若函数f(x)?ln(ax?2ax?1)(a?0)在其定义域内存在最小值,则实数a的取值范围

A (1,??)B (??,0)?(1,??) C (??,0)D (0,1)

填空题(13—16题,每小题5分,共20分)

213.设f(x)?x?2mx?3,若f(x)在(??,3]上是减函数,则实数m的取值范围是

______________.

14. 不等式log1(x?1)?log1(x?5)的解集是39

215. 已知y?f(x)?x是奇函数,且f(1)?1.若g(x)?f(x)?2,则g(?1)?

16.已知实数a满足(a?5)2015?a2015?2a?5?

0,则?(保留小数点后两位。其中??3.1416).

解答与证明题(17—21题,共70分)

17. (本小题共10分)计算:

(1)(2311

0?29

5)?2?|?0.064|3?(4)2

2

(2

)273?2log23?log1

28?

18. (本小题共12分)求下列不等式的解集:

(1)|x?2|?2x?3(2)(1x?6

x?1

2)?1

19. (本小题共12分)已知幂函数f(x)?x?的图象经过点(,1

3).

(1)求函数f(x)的解析式,并判断奇偶性;

(2)判断函数f(x)在(??,0)上的单调性,并用单调性定义证明.

(3)作出函数f(x)在定义域内的大致图像(不必写出作图过程).

20.(本小题共12分)设集合M?{x|(2x?1?1)(2x?3?1)?0}.当x?M时,函数f(x)?log1x?log3

3x33的值域为N.

(1)求集合M; (2)求集合N.

21.(本小题共12分)

在直角坐标系xoy中,一次函数y=kx+b+2(k<0,b>0)的图像与x轴、y轴的正半轴分别交于点A、B,且使得SDAOB=|OA|+|OB|+3(S?AOB指?AOB的面积.|OA|,|OB|分别表示线段的长度).

(1)用b表示k;

(2)求DAOB面积的最小值.

22. (本小题共12分)

已知函数f(x)?x|x?2a|(a?R).

(1)判断函数f(x)的奇偶性;

(2)当a?1时,求函数f(x)在区间[1,]上的最大值;

(3)求函数f(x)在区间[0,1]上的最大值g(a).

32

高一数学答案

选择题(1—12题,每小题5分,共60分)

CBCAAACA DACD

填空题(13—16题,每小题5分,共20分)

13.[3,+?) 14.(1,4) 15. -1 16.0.93 解答与证明题(17—21题,共70分)

17. (本小题共10分)

解:(1)原式=1?1

4?0.4?3

2

=?2

5……………………………………………………5分

2

(2)原式=(33)3?3?log?3

22?lg(3?5?3?)2

=9?9?lg10

=19…………………………………………………………10分

18. (本小题共12分)

解:(1)原不等式可化为:

??x?2或?

?x?2?2x?3?x?2

?2?x?2x?3

解得:x?2或1?x?2

即x?1

所以,原不等式的解集为(1,??)……………………………………6分

6

(2)原不等式可化为:(1x2)?x?1?(10

2)

?x?6

x?1?0…………………………………………………………8分 变形为:x2?x?6

x?1?0 即(x?2)(x?3)

x?1?0

等价于,(x?1)(x?2)(x?3)?0……………………………………10分解得,x??2或1?x?3

所以原不等式的解集是(??,?2)?(1,3)…………………………12分

19. (本小题共12分)

篇三:新目标2016-2017年高一上期中考试英语试卷含答案

高一上学期期中考试

第一卷 100分

一、听力 (30分)略

二、阅读理解(共15小题;每小题2分,满分30分)

阅读下列短文,从每题所给的四个选项(A、B、C、和D)中,选出最佳选项,并在答题卡上将该项涂黑。

A

It'll soon be the birthday of one of my closest friends, Susie. I still cannot decide what to give her. She's a rare friend because she has been there for me all the time whenever I need a friend to talk to. I can always depend on her to be the first to arrive to give me advice when I have problems. I guess I am so lucky to have her as a friend.

It's more than seven years since I first met Susie in our school. I joined the theater group and she was a in order for her actors and actresses to take her seriously. And then during practice I got a chance to know her bett

-2016高一期中考试题

er. In fact, she was a friendly and warm-hearted person. Soon we become good friends.

I don't know exactly what to give my friend on her birthday as I believe she has everything. So it's really hard to buy her a gift she will appreciate. This year I want something different and special but I don't know what to give. One day I searched the internet without any purpose and to my surprise there is a really lovely site where you can

buy all kinds of gifts.

I scanned(浏览) some of their items and I found cool and exciting gifts. I chose a special personalized bracelet(手镯). I'm sure that this will look perfect on her. I put our arms as part of the design of the bracelet so that it'll remind us that we'll forever be friends. I can't wait to give her my gift but I won't tell her yet. I don't want to destroy the surprise.

21. Why does the author consider Susie as a rare friend?

A. Susie is good at solving problems.

B. She and the author have lots of things to talk about.

C. Susie is a friendly and warm-heated person.

D.She can always offer help when the author is in need.

22. Finally the author found a nice gift for her friend_____

A. With the help of somebody else B. While going online

C. While doing shopping in a store D. Without difficulty

23.The author wanted to put her and her friend's names in the bracelet in order to _____.

A. give her friend a big surprise

B. make the present more special

C. remind her friend of their difference between them.

D. make her friend remember their friendship forever

B

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