2017届吉林省长春市高三毕业班第二次调研测试理科数学试题及答案

2017届吉林省长春市高三毕业班第二次调研测试理科数学试题及答案
2017届吉林省长春市高三毕业班第二次调研测试理科数学试题及答案

2017年长春市高中毕业班第二次调研测试

数 学(理科)

本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,满分 150分,考试时间为120分钟,其中第Ⅱ卷22题—24题为选考题,其它题为必考题。考试结束后,将试卷和答题卡一并交回。 注意事项:

1.答题前,考生先将自己的姓名、准考证号码填写清楚,将条形码

准确粘贴在条形码区域内。

2.选择题必须用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。

第Ⅰ卷(选择题,共60分)

一、选择题(本大题包括12小题,每小题5分,共60分,每小题给出的四个选项中,只有一项....

是符合题目要求的,请将正确选填涂在答题卡上).

1.设集合{}2|<=x x M ,集合{}10|<<=x x N ,则下列关系中正确的是

A .M N =R

B .()M N =R R e

C .()N M =R R e

D .M N M =

2.设i 是虚数单位,则i

2i 1--等于 A .0 B .4 C .2 D .2

3.已知向量(1,2)=a ,b (1,0)=,c (3,4)=,若λ为实数,()λ⊥b +a c ,则λ的

值为

A .311-

B .113-

C .1

2 D .35

4.已知命题p :函数12+-=x a y 的图象恒过定点)2,1(;命题q :若函数

y =)1(-x f 为偶函数,

则函数y =)(x f 的图象关于直线1=x 对称,则下列命题为真命题的是

A .p q ∨

B .p q ∧

C . p q ?∧ D. p q ∨?

5. 运行如图所示的程序框图,若输出的S 是254,则

①应为

A .n ≤5?

B .n ≤6?

C .n ≤7?

D .n ≤8?

6.以下四个命题中:

①从匀速传递的产品生产流水线上,质检员每10分钟从中抽取一件产品进行某项指标检测,这样的抽样是分层抽样;

②若两个变量的线性相关性越强,则相关系数的绝对值越接近于1;

③在某项测量中,测量结果ξ服从正态分布2(1,)N σ(0)σ>,若ξ位于区域(0,1)内的概率为0.4,则ξ位于区域(0,2)内的概率为0.8; ④对分类变量X 与Y 的随机变量K 2的观测值k 来说,k 越小,判断“X 与Y 有关系”的把握越大.其中真命题的序号为 第5题图

A .①④

B .②④

C .①③

D .②③

7.已知直线1:4360l x y -+=和直线2:1l x =-,抛物线24y x =上一动点P

到直线1l

和直线2l 的距离之和的最小值是

A

.5 B .2 C .115 D .3

8.计划将排球、篮球、乒乓球3个项目的比赛安排在4个不同的体育

馆举办,每个项目的比赛只能安排在一个体育馆进行,则在同一个体育馆比赛的项目不超过2个的安排方案共有

A .60种

B .42种

C .36种

D .24种

9.某几何体的三视图如图所示,则它的表面积为

A

. B

. C

.(2+π D

. 10.已知函数2()212x f x x x =++-,则()y f x =的图象大致为

11.已知直线l 与双曲线C 交于A ,B 两点(A ,B 在同一支上),21,F F 为

双曲线的两个焦点,则21,F F 在 第9题图

A B C

D

A .以A ,

B 为焦点的椭圆上或线段AB 的垂直平分线上

B .以A ,B 为焦点的双曲线上或线段AB 的垂直平分线上

C .以AB 为直径的圆上或线段AB 的垂直平分线上

D .以上说法均不正确

12.设函数()f x 是定义在(0)-∞,上的可导函数,其导函数为()f x ',且

有22()()f x xf x x '+>,则不等式2(2014)(2014)4(2)0x f x f ++-->的解集为

A .(),2012-∞-

B .()20120-,

C .(),2016-∞-

D .()20160-,

第Ⅱ卷(非选择题,共90分)

本卷包括必考题和选考题两部分。第13题~21题为必考题,每个试题考生都必须作

答。第22题~24题为选考题,考生根据要求做答。

二、填空题(本大题包括4小题,每小题5分,共20分,把正确答案

填在答题卡中的横线上).

13. 在△ABC 中,三个内角A ,B ,C 所对的边分别为a ,b ,c ,若

222sin sin sin A C B +

-sin A C =,则B = .

14.设32)1(x x

+的展开式的常数项为a ,则直线ax y =与曲线2x y =围成图形的面积为 .

15.用一个边长为4的正三角形硬纸,沿各边中点连线垂直折

起三个小三角形,做成一个蛋托,半径为1的鸡蛋(视为 球体)放在其上(如图),则鸡蛋中心(球心)与蛋托底

面的距离为 . 第15题图

2018年全国各地高考数学一模试卷(理科)及答案解析(合集)

2018年全国普通高等学校招生高考数学模拟试卷(理科)(一) 一、选择题:本大题共12个小题,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.(5分)已知集合A={x|2﹣x>0},B={x|()x<1},则() A.A∩B={x|0<x≤2}B.A∩B={x|x<0}C.A∪B={x|x<2}D.A∪B=R 2.(5分)已知i为虚数单位,a为实数,复数z满足z+3i=a+ai,若复数z是纯虚数,则() A.a=3 B.a=0 C.a≠0 D.a<0 3.(5分)我国数学家邹元治利用如图证明勾股定理,该图中用勾(a)和股(b)分别表示直角三角形的两条直角边,用弦(c)表示斜边,现已知该图中勾为3,股为4,若从图中随机取一点,则此点不落在中间小正方形中的概率是() A.B.C.D. 4.(5分)已知等差数列{a n}的前n项和为S n,且S9=6π,则tan a5=()A.B.C.﹣D.﹣ 5.(5分)已知函数f(x)=x+(a∈R),则下列结论正确的是() A.?a∈R,f(x)在区间(0,+∞)内单调递增 B.?a∈R,f(x)在区间(0,+∞)内单调递减 C.?a∈R,f(x)是偶函数 D.?a∈R,f(x)是奇函数,且f(x)在区间(0,+∞)内单调递增 6.(5分)(1+x)(2﹣x)4的展开式中x项的系数为() A.﹣16 B.16 C.48 D.﹣48 7.(5分)如图是某个几何体的三视图,则这个几何体的表面积是()

A.π+4+4 B.2π+4+4 C.2π+4+2 D.2π+2+4 8.(5分)若a>1,0<c<b<1,则下列不等式不正确的是() A.log2018a>log2018b B.log b a<log c a C.(a﹣c)a c>(a﹣c)a b D.(c﹣b)a c>(c﹣b)a b 9.(5分)执行如图所示的程序框图,若输出的n值为11,则判断框中的条件可以是() A.S<1022?B.S<2018?C.S<4095?D.S>4095? 10.(5分)已知函数f(x)=2sin(ωx+φ)(ω>0,|φ|≤)的部分图象如图所示,将函数f(x)的图象向左平移个单位长度后,所得图象与函数y=g(x)的图象重合,则() A.g(x)=2sin(2x+)B.g(x)=2sin(2x+)C.g(x)=2sin2x D.g(x)=2sin(2x﹣) 11.(5分)已知抛物线C:y2=4x的焦点为F,过点F作斜率为1的直线l交抛物线C与P、Q两点,则+的值为() A.B.C.1 D.2 12.(5分)已知数列{a n}中,a1=2,n(a n+1﹣a n)=a n+1,n∈N*,若对于任意的

2017届上海市徐汇区高三英语二模卷(含听力文本和答案)

2016学年第二学期徐汇区高三模拟考英语试卷2017.4 I. Listening Comprehension Section A Short Conversations Directions: In Section A, you will hear ten short conversations between two speakers. At the end of each conversation, a question will be asked about what was said. The conversations and the questions will be spoken only once. After you hear a conversation and the question about it, read the four possible answers on your paper, and decide which one is the best answer to the question you have heard. 1. A. He knows who is knocking. B. He is eager to know who it is. C. He doesn’t want to open the door. D. He is ready to open the door. 2. A. By plane. B. By bus. C. By taxi. D. By train. 3. A. $100. B. $200. C. $300. D. $400. 4. A. She went to cinema. B. She went to an exhibition. C. She stayed at home. D. She stayed with her classmates. 5. A. In a doctor’s office. B. In a professor’s office. C. In an operating room. D. In an emergency ward. 6. A. The man paid the tuition for learning physics. B. The man got a lot of money for his hard work. C. His hard work was not rewarding at all. D. His work before the test led to a good result. 7. A. A furnished house. B. A recent book. C. A further study. D. A new record. 8. A. They will go swimming. B. They will climb mountains. C. They will buy some clothes. D. They will forecast the weather conditions. 9. A. He has another lecture to attend. B. He has no interest in the lecture. C. He’s attended the same lecture given by Professor Wilson before. D. He might miss the lecture, if the woman didn’t remind him. 10.A. She fully agrees with the man. B. They are uncertain about the weather. C. She disagrees with the man. D. She thought the man was always late. Section B Directions: In Section B, you will hear several longer conversation(s) and short passage(s), and you will be asked several questions on each of the conversation(s) and the passage(s). The conversation(s) and the passage(s) will be read twice, but the questions will be spoken only once. When you hear a question, read the four possible answers on your paper and decide which one would be the best answer to the question you have heard. Questions 11 through 13 are based on the following passage. 11. A. People are encouraged to be a craftsman. B. Learning woodworking is not as hard as you think. C. Learning woodworking will help you know more people. D. Taking a class in woodworking will be very helpful. 12. A. Because I am a talent in this art and want to share it with others. B. Because I am interested in it and want to show it to others. C. Because I wonder how to pick materials and how to do it well. 1 / 16

2018届吉林省长春市高三下学期一模试题 物理

2018届吉林省长春市高三下学期一模试题 物理 注意事项: 1.答题前,先将自己的姓名、准考证号填写在试题卷和答题卡上,并将准考证号条形码粘贴在答题卡上的指定位置。 2.选择题的作答:每小题选出答案后,用2B 铅笔把答题卡上对应题目的答案标号涂黑,写在试题卷、草稿纸和答题卡上的非答题区域均无效。 3.非选择题的作答:用签字笔直接答在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡上的非答题区域均无效。 4.考试结束后,请将本试题卷和答题卡一并上交。 一、选择题:本题共12小题,每小题4分,共48分。在1~8小题给出的 四个选项中,只有一个选项正确,在9~12小题给出的四个选项中,有多个选项正确,全部选对的得4分,选对但不全的得2分,有选错的得0分。 1. 2017年1月9日,大亚湾反应堆中微子实验工程获得国家自然科学一等奖。大多数原子核发生核反应的过程中都伴着中微子的产生,例如核裂变、核聚变、β衰变等。下列关于核反应的说法正确的是 A. Th 衰变为 Rn ,经过3次α衰变,2次β衰变 B. H+H→He+n 是α衰变方程,Th→ Pa+e 是β衰变方程 C. U+n→ Ba+Kr+3n 是核裂变方程,也是氢弹的核反应方程 D. 高速运动的α粒子轰击氮核可从氮核中打出中子,其核反应方程为He+N→O+n 2. 如图所示为一物体被吊车用钢索竖直向上提升过程的简化运动图象。下列判断正确 的是 A. 0~36s 内物体被吊起的高度为25m B. 0~10s 内的平均速度大于30s ~36s 内的平均速度 C. 30s ~36s 内物体处于超重状态 D. 前10s 内钢索最容易发生断裂 3. 如图所示,MN 是一正点电荷产生的电场中的一条电场线,某一带负电的粒子(不计重力)从a 运动到b 经过这条电场线的轨迹如图中虚线所示。下列判断正确的是 A. 粒子从a 运动到b 的过程中动能逐渐减小 B. 粒子在a 点的电势能大于在b 点的电势能 C. 正点电荷一定位于M 的左侧 D. 粒子在a 点的加速度大于在b 点的加速度 4. 如图所示电路中,电源电动势为E 、内阻为r ,R 3为定值电阻,R 1、R 2为滑动变阻器,A 、B 为电容器两个水平放置的极板。当滑动变阻器R 1、R 2的滑片处于图示位置时,A 、B 两板间的带电油滴静止不动。下列说法中正确的是 A. 把R 2的滑片向右缓慢移动时,油滴向下运动 B. 把R 1的滑片向右缓慢移动时,油滴向上运动 C. 缓慢增大极板A 、B 间的距离,油滴静止不动 D. 缓慢减小极板A 、B 的正对面积,油滴向上运动 5. 游乐场中有一种娱乐设施叫“魔盘”,人坐在转动的大圆盘上,当大圆盘转速增加时, 人就会自动滑向盘边缘。图中有a 、b 、c 三人坐在圆盘上,a 的质量最大,b 、c 的质量差不多,但c 离圆盘中心最远,a 、b 离圆盘中心的距离相等。若三人与盘面的动摩擦因数相等,且假定最大静摩擦力等于滑动摩擦力,则下列说法正确的是 A. 当圆盘转速增加时,三人同时开始滑动 B. 当圆盘转速增加时,b 首先开始滑动 C. 当圆盘转速增加时,a 和c 首先同时开始滑动 D. 当圆盘转速增加时,c 首先开始滑动 6. 如图所示为一种常见的身高体重测量仪。测量仪顶部向下发射波速为v 的超声波,超 声波经反射后返回,被测量仪接收,测量仪记录发射和接收的时间间隔。质量为M 0 此 卷 只 装 订 不 密封 班级 姓名 准考证号 考场号 座位号

2019年高考数学一模试卷及答案

2019年高考数学一模试卷及答案 一、选择题 1.设1i 2i 1i z -=++,则||z = A .0 B . 12 C .1 D .2 2.一个长方体去掉一个小长方体,所得几何体的正视图与侧(左)视图分别如图所示,则该几何体的俯视图为( ) A . B . C . D . 3.甲、乙、丙3位志愿者安排在周一至周五的5天中参加某项志愿者活动,要求每人参加一天且每天至多安排一人,并要求甲安排在另外两位前面,不同的安排方法共有( ) A .20种 B .30种 C .40种 D .60种 4.已知函数()(3)(2ln 1)x f x x e a x x =-+-+在(1,)+∞上有两个极值点,且()f x 在 (1,2)上单调递增,则实数a 的取值范围是( ) A .(,)e +∞ B .2(,2)e e C .2(2,)e +∞ D .22(,2) (2,)e e e +∞ 5.南北朝时代的伟大数学家祖暅在数学上有突出贡献,他在实践的基础上提出祖暅原理:“幂势既同,则积不容异”.其含义是:夹在两个平行平面之间的两个几何体,被平行于这两个平面的任意平面所截,如果截得的两个截面的面积总相等,那么这两个几何体的体积相等,如图,夹在两个平行平面之间的两个几何体的体积分别为12,V V ,被平行于这两个平面的任意平面截得的两个截面的面积分别为12,S S ,则“12,S S 总相等”是“12,V V 相等”的( )

A .充分不必要条件 B .必要不充分条件 C .充分必要条件 D .既不充分也不必要条件 6.正方形ABCD 中,点E 是DC 的中点,点F 是BC 的一个三等分点,那么EF =( ) A .11 23 AB AD - B . 11 42 AB AD + C . 1132AB DA + D .12 23AB AD -. 7.设,a b R ∈,“0a =”是“复数a bi +是纯虚数”的( ) A .充分而不必要条件 B .必要而不充分条件 C .充分必要条件 D .既不充分也不必要条件 8.一个样本a,3,4,5,6的平均数是b ,且不等式x 2-6x +c <0的解集为(a ,b ),则这个样 本的标准差是( ) A .1 B 2C 3 D .2 9.不等式2x 2-5x -3≥0成立的一个必要不充分条件是( ) A .1x <-或4x > B .0x 或2x - C .0x <或2x > D .1 2 x - 或3x 10.如图所示,网格纸上小正方形的边长为1,粗线画出的是由一个棱柱挖去一个棱锥后的几何体的三视图,则该几何体的体积为

北京市海淀区2017届高三英语二模试题答案(最新整理)

海淀区高三年级第二学期期末练习 英语 参考答案及评分标准2017.05 第一部分:听力理解(共三节,30分) 第一节(共5小题;每小题1.5分,共7.5分) 1. B 2. A 3. A 4. C 5. C 第二节(共10小题;每小题1.5分,共15分) 6. B 7. C 8. A 9. B 10. B11. B 12. C 13. A 14. A 15. C 第三节(共5小题;每小题1.5分,共7.5分) ★每小题超过一个词不计分;★拼写错误不计分;★16、18、19题首字母不大写扣0.5分。 16. Medicine 17. 627-549 18. Theatre/Theater 19. Half 20. red 第二部分:知识运用(共两节,45分) 第一节单项填空(共15小题;每小题1分,共15分) 21. C 22. A23. A24. C25. B26. B 27. A 28. D 29. D 30. C 31. B 32. B33. D 34. C 35. A 第二节完形填空(共20小题;每小题1.5分,共30分) 36. C 37. D 38. B 39. D 40. A41. D42. A 43. B 44. C 45. C 46. B 47. C 48. A 49. D50. B 51. A52. C53. B54. D 55. A 第三部分:阅读理解(共两节,40分) 第一节(共15小题;每小题2分,共30分) 56. C 57. D 58. D 59. A60. D 61. B 62. A 63. B 64. D 65. A 66. C 67. A 68. C 69. C70. B 第二节(共5小题;每小题2分,共10分) 71. G 72. A73. B 74. C75. D 第四部分:书面表达(共两节,35分) One possible version: Dear Jim, How is it going? Thank you for your support on my upcoming attendance in the CCTV program The Reader.

2019届吉林省长春市高三下学期一模试题物理(附答案)

2019届吉林省长春市高三下学期一模试题物理(附答案)注意事项: 1.答题前,先将自己的姓名、准考证号填写在试题卷和答题卡上,并将准考证号条形码粘贴在答题卡上的指定位置。 2.选择题的作答:每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑,写在试题卷、草稿纸和答题卡上的非答题区域均无效。 3.非选择题的作答:用签字笔直接答在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡上的非答题区域均无效。 4.考试结束后,请将本试题卷和答题卡一并上交。 一、选择题:本题共12小题,每小题4分,共48分。在1~8小题给出的四个 选项中,只有一个选项正确,在9~12小题给出的四个选项中,有多个选项正确,全部选对的得4分,选对但不全的得2分,有选错的得0分。 1. 2017年1月9日,大亚湾反应堆中微子实验工程获得国家自然科学一等奖。大多数原子核发 生核反应的过程中都伴着中微子的产生,例如核裂变、核聚变、β衰变等。下列关于核反应的说法正确的是 A. Th衰变为Rn,经过3次α衰变,2次β衰变 B. H+H→He+n是α衰变方程,Th→Pa+e是β衰变方程 C. U+n→Ba+Kr+3n是核裂变方程,也是氢弹的核反应方程 D. 高速运动的α粒子轰击氮核可从氮核中打出中子,其核反应方程为He+N→O+n 2. 如图所示为一物体被吊车用钢索竖直向上提升过程的简化运动图象。下列判断正确 的是 A. 0~36s内物体被吊起的高度为25m B. 0~10s内的平均速度大于30s~36s内的平均速度 C. 30s~36s内物体处于超重状态 D. 前10s内钢索最容易发生断裂 3. 如图所示,MN是一正点电荷产生的电场中的一条电场线,某一带负电的粒子(不计重力)从

2019长春高三一模数学理科试卷及答案-精编

长春市普通高中2019届高三质量监测(一)数学试题卷(理科) 一、选择题:本题共12小题,每小题5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.复数(13)(3)i i -+-= A.10 B.10- C.10i D.10i -2.已知集合{0,1}M =,则满足条件M N M = 的集合N 的个数为 A.1 B.2 C.3 D.4 3.函数()sin()sin 3f x x x π=+ +的最大值为, A. B.2 C. D.4 4.下列函数中是偶函数,且在区间(0,)+∞上是减函数的是 A.||1y x =+ B.2y x -= C.1y x x =- D.|| 2x y =5.已知平面向量a 、b ,满足||||1==a b ,若(2)0-?=a b b ,则向量a 、b 的夹角为 A.30? B.45? C.60? D.120? 6.已知等差数列{}n a 中,n S 为其前n 项的和,45S =,920S =,则7a = A.3- B.5- C.3 D.5 7.在正方体1111ABCD A B C D -中,直线11A C 与平面11ABC D 所成角的正弦值为 A.1 B.3 2 C.2 2 D.1 2 8.要将甲、乙、丙、丁4名同学分到A 、B 、C 三个班级中,要求每个班级至少分到一人,则甲被分到A 班的分法种数为, A.6 B.12 C.24 D.369.某运动制衣品牌为了成衣尺寸更精准,现选择15名志愿者,对其身高和臂展进行测量(单位:厘米),左图为选取的15名志愿者身高与臂展的折线图,右图为身高与臂展所对应的散点图,并求得其回归方程为 1.1630.75y x =-,以下结论中不正确的为190 185180 175 170 165 160 155 150 145123456789101112131415身高臂展

2017届浦东区高三英语二模试卷(含答案)

浦东新区2016学年度第二学期教学质量检测 高三英语试卷 2017.4 II. Grammar and Vocabulary (20%) Section A Over the past sixteen years of my life, I have grown to be a very independent person. This can be both good and bad in the sense that I am able to do things (21)________ my own, yet at times struggle with taking advice from others. Sometimes, hearing what other people have to say can be one of the hardest things to do. However, getting advice from (22)________ cares about you can impact your life in great ways. Because of this, I began realizing that my mom’s guidance throughout my life has never steered me wrong. This is why I believe you (23)________ always listen to your mother. This belief has not been easy (24)________ (realize). It has taken endless amounts of time in which I decided to go against what my mom had to say, and later discovered that she was right. I think we can all agree that (25)________ (admit) your mom was right is always a hard thing to do. But what else are you supposed to say (26)________ you are standing outside in the freezing cold, shaking because you did not wear that extra jacket you (27)________ (tell) to wear? When I was twelve years old, I had the experience of a lifetime. However, I would have missed out if it hadn’t been for my mom. She had been planning a trip to Turkey for work, (28)________ (offer) to bring my sister and me along with her. When I first heard about this opportunity, I was terrified. Never had I been out of the country before. I thought to (29)________, ―Is she crazy?‖ My mom then began to say, ―(30)________ is known to all, one needs to step out of his c omfort zone and try something new in order to encounter larger-than-life ideas.‖ After going back and forth with my own thoughts, I decided to go on the trip. And boy, she was right. Going to Turkey will forever be one of my greatest memories and I am thankful I got to visit that amazing country. Section B The New York Times has changed a lot in the past 10 years, embracing digital subscriptions and growing into online video and specialty areas like cooking. It has not been enough to prepare the company for the future, according to the paper’s own 2020 report __31__ on Tuesday. ―While the past two years have been a time of significant innovation, the pace must speed up,‖ the authors wrote in the opening of the report. ―Too often, digital progress has been accomplished through workarounds; now we must tear apart the barriers. We must __32__ between mission and tradition: what we do because it’s essential to our values and what we do because we’ve always done it.‖ The report indicates how far the paper has come in __33__ itself to the digital age while also pointing out what needs to be done. The areas that need __34__ are focused on the newsroom, particularly in the tools and internal structures that journalists must deal with to produce their work. Many of the report’s recommendations are __35__ to anyone who closely follows the Times or newspapers in general: A (n) __36__ away from print’s outsized importance on the newsroom’s operations,

2018届吉林省长春市高三一模考试卷-化学

2018届吉林省长春市高三一模考试卷 化 学 注意事项: 1.答题前,先将自己的姓名、准考证号填写在试题卷和答题卡上,并将准考证号条形码粘贴在答题卡上的指定位置。 2.选择题的作答:每小题选出答案后,用2B 铅笔把答题卡上对应题目的答案标号涂黑,写在试题卷、草稿纸和答题卡上的非答题区域均无效。 3.非选择题的作答:用签字笔直接答在答题卡上对应的答题区域内。写在试题卷、草稿纸和答题卡上的非答题区域均无效。 4.考试结束后,请将本试题卷和答题卡一并上交。 可能用到的相对原子质量:H 1 C 12 N 14 O 16 Na 23 Al 27 Si 28 P 31 S 32 Cl Cr 52 Cu 64 Zn 65 第I 卷(选择题,共42分) 一、选择题(本题共14小题,每小题只有一个正确选项,每小题3分,共42分) 1.化学与社会、技术、环境、生活密切相关,下列有关说法中错误的是 A .石油裂解、煤的干馏和纳米银粒子的聚集都是化学变化 B .天然气、沼气都是比较清洁的能源,它们的主要成分都是烃类 C .碘酒、84消毒液、75%的酒精都可用于消毒 D .高纯硅广泛应用于太阳能电池和计算机芯片 2.化学用语是学习化学的工具和基础,下列有关化学用语的表达正确的是 A .H 2S 的电离方程式:H 2S===2H + +S 2? B .用于考古测定年代的碳原子: C .CO 2的电子式: D .次氯酸分子的结构式:H —Cl —O 3.设阿伏加德罗常数的值为N A ,则下列说法中正确的是 A . HCl 分子中含有的H + 数目为 B .标准状况下,氟化氢中含有氟原子的数目为 C .3mol 单质Fe 完全转变为Fe 3O 4,失去的电子数为8N A D . mol ·L ?1 的NaHCO3溶液中含有的HCO ? 3 的数目一定小于 4.下列关于有机物的说法中错误的是 A .正丁烷和异丁烷的熔、沸点不相同 B .乙烯、苯、乙酸分子中的所有原子都在同一平面上 C .分子式为C 3H 8的烷烃,其一氯代物有2种 D .乙烯和甲烷可用酸性高锰酸钾溶液鉴别 5.下列实验操作、实验现象和实验结论均正确的是 A .向待测溶液中先滴加几滴氯水,然后滴加KSCN 溶液,溶液变红,待测溶液中含有Fe 2+ B .向某盐溶液中滴加浓NaOH 溶液,加热,将湿润的红色石蕊试纸靠近试管口,试纸变蓝,说明该溶液中含有NH + 4 C .向AgNO 3溶液中滴加过量氨水,得到澄清溶液,Ag +与NH 3·H 2O 能大量共存 D .向某溶液中加入硝酸酸化的BaCl 2溶液,出现白色沉淀,说明该溶液中一定含有SO 2? 4 6.下列反应中,属于取代反应的是 ①CH 2=CH 2+Br 2 CH 2BrCH 2Br ② 2CH 3CH 2OH+O 2――——→催化剂△ 2CH 3CHO+2H 2O ③ CH 3COOH+CH 3CH 2OH CH 3COOCH 2CH 3+H 2O ④ C 6H 6+Br 2――→FeBr 3 C 6H 5Br+HBr A .① ④ B.② ③ C.① ③ D.③ ④ 7.已知A 、B 、C 均为短周期元素,A 、B 同周期,A 、C 的最低价离子分别为A 2? 和C ? ,B 2+ 和C ? 具有相同的电子层结构,下列说法中正确的是 A .离子半径:A 2? >C ? >B 2+ B . C 元素的最高正价为+7价 C .对应气态氢化物的稳定性:H 2A>HC D .还原性:C ? >A 2? 8.下列装置和操作能达到实验目的的是 A .实验Ⅰ:比较HCl 、H 2CO 3和H 2SiO 3的酸性强弱 B .实验Ⅱ:检验铁粉与水蒸气反应产生的氢气 C .实验Ⅲ:检验有乙烯生成 D .实验IV :酸式滴定管排气泡 9.铝表面在空气中天然形成的氧化膜耐磨性和抗蚀性不够强。控制一定的条件,用如图所示的电化学氧化法,可在铝表面生成坚硬致密,耐腐蚀的氧化膜。下列有关叙述正确的是 此 卷 只装订不 密 封 班级 姓名 准考证号 考场号 座位号

2018届吉林省长春市普通高中高三一模考试数学试题卷(理科)(解析版)

2018届吉林省长春市普通高中高三一模考试题 数学试题卷(理科) 一、选择题:本大题共12个小题,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. 设为虚数单位,则() A. B. C. 5 D. -5 【答案】A 【解析】由题意可得:. 本题选择A选项. 2. 集合的子集的个数为() A. 4 B. 7 C. 8 D. 16 【答案】C 【解析】集合含有3个元素,则其子集的个数为. 本题选择C选项. 3. 若图是某学校某年级的三个班在一学期内的六次数学测试的平均成绩关于测试序号的函数图像,为了容易看出一个班级的成绩变化,将离散的点用虚线连接,根据图像,给出下列结论: ①一班成绩始终高于年级平均水平,整体成绩比较好; ②二班成绩不够稳定,波动程度较大; ③三班成绩虽然多数时间低于年级平均水平,但在稳步提升. 其中正确结论的个数为() A. 0 B. 1 C. 2 D. 3 【答案】D 【解析】通过函数图象,可以看出①②③均正确.故选D. 4. 等差数列中,已知,且公差,则其前项和取最小值时的的值为() A. 6 B. 7 C. 8 D. 9

【答案】C 【解析】因为等差数列中,,所以,有 ,所以当时前项和取最小值.故选C...................... 5. 已知某班级部分同学一次测验的成绩统计如图,则其中位数和众数分别为() A. 95,94 B. 92,86 C. 99,86 D. 95,91 【答案】B 【解析】由茎叶图可知,中位数为92,众数为86. 故选B. 6. 若角的顶点为坐标原点,始边在轴的非负半轴上,终边在直线上,则角的取值集合是() A. B. C. D. 【答案】D 【解析】因为直线的倾斜角是,所以终边落在直线上的角的取值集合为 或者.故选D. 7. 已知,且,则的最小值为() A. 8 B. 9 C. 12 D. 16 【答案】B 【解析】由题意可得:,则: , 当且仅当时等号成立, 综上可得:则的最小值为9. 本题选择B选项. 点睛:在应用基本不等式求最值时,要把握不等式成立的三个条件,就是“一正——各项均为正;二定——积或和为定值;三相等——等号能否取得”,若忽略了某个条件,就会出现错误.8. 《九章算术》卷五商功中有如下问题:今有刍甍,下广三丈,袤四丈,上袤二丈,无广,高一丈,问积几何.刍甍:底面为矩形的屋脊状的几何体(网格纸中粗线部分为其三视图,设网格纸上每个小正方形的

2017届高三英语二模试卷

2017年黑龙江省大庆市高考英语二模试卷 第一部分听力 1.What does the woman mean? A.The weather is good for a picnic. B.She'll go out for a picnic. C.She doesn't want to go picnicking because of the bad weather. 2.Why doesn't the woman answer the question? A.It is not her affair.B.She doesn't know C.She doesn't like Rita.3.What does the woman mean? A.The man worked hard. B.The man ought to have worked hard. C.The man will never succeed. 4.What does the man mean? A.The woman will overwork if she has another part﹣time job. B.The woman should have a part﹣time job. C.The woman shouldn't sleep when she takes a part﹣time job. 5.What will the man do with this old house? A.Make it an inn.B.Sell it.C.Rent it out. 6.听第6段材料,回答6至8题. 6.What are the two speakers talking about? A.Language teaching.B.Radio programs.C.Foreign languages. 7.What other languages besides English do they teach over the radio?A.German,Spanish and French. B.Portuguese,Swedish and French. C.Japanese,French and German. 8.What conclusion can you draw from the dialogue? A.Everyone has a radio in China to learn English. B.Many people are learning Japanese and Swedish over the radio.

2017年北京市海淀区高三二模英语试题及答案

海淀区高三年级第二学期期末练习 英语2017.05 本试卷共12页,共150分。考试时间120分钟。 注意事项:1.考生务必将答案答在答题卡上,在试卷上作答无效。 2.答题前考生务必将答题卡上的姓名、准考证号用黑色字迹的签字笔填写。 3.答题卡上选择题必须用2B铅笔作答,将选中项涂满涂黑,黑度以盖住框内字母为准,修改时用橡皮擦除干净。非选择题必须用黑色字迹的签字笔按照题号顺序在各题目的答题区域内作答,未在对应的答题区域内作答或超出答题区域作答的均不得分。 第一部分:听力理解(共三节,30分) 第一节(共5小题;每小题1.5分,共7.5分)听下面5段对话。每段对话后有一道小题,从每题所给的A、B、C三个选项中选出最佳选项。听完每段对话后,你将有10秒钟的时间来回答有关小题和阅读下一小题。每段对话你将听一遍。 1. Where are the speakers? A. At a cinema. B. At the railway station. C. At the airport. 2. What size of juice does the woman order? A. Small. B. Medium. C. Large. 3. What’s the possible relationship between the speakers? A. Classmates. B. Colleagues. C. Father and daughter. 4. What are the two speakers mainly talking about? A. Easter plans. B. A new movie. C. Weekend activities. 5. How does the woman feel? A. Excited. B. Surprised. C. Worried. 第二节(共10小题;每小题1.5分,共15分)听下面4段对话或独白。每段对话或独白后有几道小题,从每题所给的A、B、C三个选项中选出最佳选项。听每段对话或独白前,你将有5秒钟的时间阅读每小题。听完后,每小题将给出5秒钟的作答时间。每段对话或独白你将听两遍。 听第6段材料,回答第6至7题。 6. Why did Bonzo get hit? A. He played on the road. B. He ran into the road suddenly. C. A car knocked over the fence. 7. Who is Bonzo? A. The woman’s neighbor. B. The woman’s brother. C. The woman’s dog. 听第7段材料,回答第8至9题。 8. Why is the man upset? A. He got his mom’s phone stolen. B. His own phone went wrong. C. He broke his mom’s phone. 9. What’s the man probably going to do? A. Go back to the store. B. Report to the police. C.Visit the insurance company. 听第8段材料,回答第10至12题。 10. What is the woman doing? A.Joking about the man’s fun experiences B.Talking the man into trying something fun C.Giving the man advice on avoiding danger 11. What does the woman prefer to do this weekend? A. Go to the library. B. Go mountain biking. C. Stay at home. 12. What happened to the man on his last fishing trip? A. He broke his arm B. He got sunburnt C. He didn’t catch any fish 听第9段材料,回答第13至15题。 13. Why does Mr. Marston write the note? A. To give instructions. B. To express thanks. C. To introduce the lab. 14. What is Cathy supposed to do? A.Clean all the worktables B.Wipe all the microscopes C.Put the glass containers on the shelf 15. What is Cathy going to do with the key? A. Leave it to Ms. Edwards. B. Put it in the classroom next door. C. Return it to Mr. Marston tomorrow. 第三节(共5小题;每小题1.5分,共7.5分)听下面一段对话,完成第16至20五道小题,每小题仅填写一个 ..词。听对话 第一节单项填空(共15小题;每小题1分,共15分)从每题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 21. We’d better go now, ______ we’ll miss the train. A. but B. so C. otherwise D. therefore 22.—I dropped by at 6:00pm yesterday but failed to see you at your house.—I ______ in a gym at that time. A. was exercising B. am exercising C. have exercised D. had exercised 23.—Do you have ______ ready for the spring outing?—No, I still have to buy some fruit. A. everything B. anything C. something D. nothing 24. ______ his love, Chris sent his mom a thank-you note on Mother’s Day. A. Expressing B. Expressed C. To express D. Having expressed 25.The plan for Xiongan New Area _____ officially on April 1,2017. A.announced B.was announced C.announces D.is announced 26. ______ is willing to volunteer in the 2022 Beijing Winter Olympics is welcome to join us. A. Whatever B. Whoever C. Whenever D. Wherever 27. In Australia, many road signs are now both in English and Chinese, ______ it easier for Chinese tourists to travel. A. making B. made C. make D. makes 28. We are living in an age ______ QR codes(二维码)are becoming more and more popular in our daily life. A. why B. that C. whose D. when 29. Mary was pleased to see that the seeds she ______ in the garden were growing.

相关文档
最新文档