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2010年北京东城区高三数学理科二模试题及答案

北京东城高三二模英语试卷(2019年5月)—含答案和翻译

2019年北京市东城区高三二模 2019年5月 A World Environment Day is a UN Environment-led global event, _____which_____(1) takes place on June 5 every year and is celebrated by thousands of communities worldwide. Since it began in 1972, it has grown to become the ___largest_______(2 large) of all the celebrations of environment each year. China owns half the world’s electric vehicles and 99% of the world s electric buses. By ____hosting______(3 host) World Environment Day 2019, the Chinese government will be able to showcase its innovation and progress toward to a cleaner environment. B Why do people want to go to university? For some, it is the desire to learn. At university, you ____will be taught______(4 teach) by lecturers and professors who may be leading experts ____in______(5) their fields. The opporutnity to learn from them is what drives some people ____to apply______( 6 apply)to university. For others, going to university provides the all-important stepping-stone for their careers. However, for the majority of ____western______(7 west)people, university means freedom from home. C Billions of poor people around the world ___depend_______(8 depend) on the use of wood for cooking. And as they take more and more firewood from wild areas, they are destroying habitats around the world. Wood collection is one reason why many animals have become endangered. This is ____why______(9) Dr, Metcalf spends each summer in Africa. He wants to teach women and children in villages how to cook with the sun. He helped create Solar Cookers International. It’s an organization that

北京市东城区2020-2021学年八年级上学期期末教学统一检测英语试题(答案+解析)

【区级联考】北京市东城区2020-2021学年八年级上学期期 末教学统一检测英语试题 学校:___________姓名:___________班级:___________考号:___________ 一、单选题 1.My father will come back tomorrow. I’ll meet ________ at the airport. A.her B.you C.him D.them 2.Lu Xun is one of ________ writers of modern China. A.great B.greater C.greatest D.the greatest 3.—Must I come here before 7: 30 tomorrow? —No, you ________. You can come here at 8: 00. A.mustn’t B.needn’t C.can’t D.shouldn’t 4.Tony decided ________ at home because it was raining outside. A.to stay B.staying C.stay D.stayed 5.Sam did ________ in school this year than last year. A.well B.better C.best D.the best 6.A few months ago, a car hit my friend George while he ________ home from school. A.rides B.rode C.was riding D.is riding 7.In Seattle, it rains a lot, ________ bring an umbrella when you go there. A.for B.or C.but D.so 8.—Dad, where is Mum? —She ________ the flowers now. A.is watering B.will water C.watered D.waters 9.Jackie told me not ________ too much noise because the little baby was sleeping. A.make B.to make C.making D.made 10.—What did you do last night? —I ________ a report. A.write B.am writing C.was writing D.wrote 二、完型填空 Go, Rosie, Go! It was another day to jump rope in PE class. Lynn and Mike turned the long rope in big, slow circles. The whole class hurried to get in line to wait for their turn to 11 . Rosie stood at the back of the line and looked worried.

2020年山东省日照市高考数学二模试卷(理科)含答案解析

2020年山东省日照市高考数学二模试卷(理科) 一、选择题:本大题共10小题,每小题5分,共50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.若复数z满足z=1+(i为虚数单位),则复数z的共轭复数||的模为() A.0 B.1 C.D.2 2.若集合A={x|2x>1},集合B={x|lnx>0},则“x∈A”是“x∈B”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 3.设随机变量ξ服从正态分布N(0,1),P(ξ>1)=p,则P(﹣1<ξ<0)等于() A.p B.1﹣p C.1﹣2p D.﹣p 4.一个算法的程序框图如图所示,若该程序输出的结果为10,则判断框中应填入的条件是() A.k≥﹣3 B.k≥﹣2 C.k<﹣3 D.k≤﹣3 5.函数f(x)=sin(2x+)所对应的图象向左平移个单位后的图象与y轴距离最近的 对称轴方程为() A.x=B.x=﹣C.x=﹣D.x= 6.某几何体的三视图如图所示,则该几何体的体积是()

A. B. C.D. 7.函数y=e cosx(﹣π≤x≤π)的大致图象为() A.B.C. D. 8.在△ABC中,内角A,B,C的对边分别为a,b,c,且b2+c2+bc﹣a2=0,则 =() A.﹣ B.C.﹣D. 9.已知直线x+y﹣k=0(k>0)与圆x2+y2=4交于不同的两点A、B,O是坐标原点,且有 ,那么k的取值范围是() A.B.C. D. 10.如图,已知双曲线C:﹣=1(a>0,b>0)的右顶点为A,O为坐标原点,以A 为圆心的圆与双曲线C的某渐近线交于两点P、Q,若∠PAQ=60°且=3,则双曲线C 的离心率为()

2015北京海淀东城西城等城区中考二模数学分类--第26题几何阅读题

第26题-----几何阅读题

1.(西城)26.(1)小明遇到下面一道题: 如图1,在四边形ABCD中,AD∥BC,∠ABC=90o,∠ACB=30o,BE⊥AC于点E,且= CDE ACB ∠∠.如果AB=1,求CD边的长. 小明在解题过程中发现,图1中,△CDE与△相似,CD的长度等于,线段CD 与线段的长度相等; 他进一步思考:如果ACBα ∠=(α是锐角),其他条件不变,那么CD的长度可以表示为CD= ;(用含α的式子表示) (2)受以上解答过程的启发,小明设计了如下的画图题: 在Rt△OMN中,∠MON=90o,OM<ON,OQ⊥MN于点Q,直线l经过点M,且l∥ON.请在直线l上找出点P的位置,使得NPQ ONM ∠=∠. 请写出你的画图步骤,并在答题卡上完成相应的画图过程.(画出一个即可,保留画图痕迹,不要求证明) 0(0) k =>成立的 y x = 请回答: (1)当k=1时,使得原等式成立的x的个数为_______; (2)当0<k<1时,使得原等式成立的x的个数为_______; (3)当k>1时,使得原等式成立的x的个数为_______. 参考小明思考问题的方法,解决问题: 关于x的不等式24 0 () x a a x +-<>0只有一个整数解,求a的取值范围.

3.(东城)26 .阅读材料 如图1,若点P 是⊙O 外的一点,线段PO 交⊙O 于点A,则PA 长是点P 与⊙O 上各点之间的最短距离. 图1 图2 证明:延长PO 交⊙O 于点B ,显然PB>PA . 如图2,在⊙O 上任取一点C (与点A ,B 不重合),连结PC ,OC . ,,,, PO PC OC PO PA OA OA OC PA PC <+=+=∴<且 ∴PA 长是点P 与⊙O 上各点之间的最短距离. 由此可以得到真命题:圆外一点与圆上各点之间的最短距离是这点到圆心的距离与半径的差. 请用上述真命题解决下列问题. (1)如图3,在Rt △ABC 中,∠ACB =90°,AC =BC =2,以BC 为直径的半圆交AB 于D ,P 是上的一 个动点,连接AP ,则AP 长的最小值是 . 图3 (2)如图4,在边长为2的菱形ABCD 中,∠A =60°,M 是AD 边的中点,点N 是AB 边上一动点,将△AMN 沿MN 所在的直线翻折得到△MN A ' ,连接C A ' ,①求线段A ’M 的长度; ②求线段C A ' 长的最小值. 图4

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北京市东城区2017—2018学年度第二学期高三综合练习(二) 2018.5 英语 本试卷共120分。考试时长100分钟。考生务必将答案答在答题卡上,在试卷上作答无效。考试结束后,将本试卷和答题卡一并交回。 第一部分: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) 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。 1.—It’s lucky of you to get your new job! —A friend told me about it, so I _________ and got it. A. apply B. have applied C. applied D. was applying 2. I can clearly remember the first time I met Ms. Lee, _________it’s over 10 years ago. A. unless B. since C. after D. although 3. They will fly to London, ______ they plan to stay for two or three weeks. A. which B. that C. when D. where 4. Dogs have a far wider hearing range than humans, _________ them able to detect sounds far above a hum an’s hearing limit. A. making B. made C. having made D. to be made 5. —When do you want to visit Mr. Smith with me? —Whenever you _________ time. A. have B. will have C. have had D. had 6. Considered poisonous for many years in Europe, tomatoes _________for decoration only. A. grow B. are grown C. grew D. were grown 7. The snowstorm has lasted for several days _________ it is freezing cold now. A. for B. and C. but D. or 8. In A Brief History of Time, Stephen Hawking wrote _________non-technical terms about the origin and development of the universe. A. from B. by C. in D. with 9. It is almost impossible for planes _________ in such a heavy fog. A. take off B. to take off C. to have taken off D. having taken off 10. According to the Public Library’s regulations, each reader _________borrow at most five books at a time. A. should B. must C. may D. would 11. The book covers the knowledge I wish I ______ five years ago. A. knew B. had known C. would know D. would have known

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2017年北京市东城区高考数学二模试卷(理科) 一、选择题共8小题,每小题5分,共40分.在每小题列出的四个选项中,选出符合题目要求的一项. 1.(5分)已知集合A={x|x2﹣4<0},则?R A=() A.{x|x≤﹣2或x≥2}B.{x|x<﹣2或x>2}C.{x|﹣2<x<2}D.{x|﹣2≤x≤2} 2.(5分)下列函数中为奇函数的是() A.y=x+cosx B.y=x+sinx C.D.y=e﹣|x| 3.(5分)若x,y满足,则x+2y的最大值为() A.﹣1 B.0 C.D.2 4.(5分)设,是非零向量,则“,共线”是“|+|=||+||”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 5.(5分)已知等比数列{a n}为递增数列,S n是其前n项和.若a1+a5=,a2a4=4,则S6=() A.B.C.D. 6.(5分)我国南宋时期的数学家秦九韶(约1202﹣1261)在他的著作《数书九章》中提出了多项式求值的秦九韶算法.如图所示的框图给出了利用秦九韶算法求多项式的一个实例.若输入的n=5,v=1,x=2,则程序框图计算的是()

A.25+24+23+22+2+1 B.25+24+23+22+2+5 C.26+25+24+23+22+2+1 D.24+23+22+2+1 7.(5分)动点P从点A出发,按逆时针方向沿周长为1的平面图形运动一周,A,P两点间的距离y与动点P所走过的路程x的关系如图所示,那么动点P所走的图形可能是() A. B.C. D. 8.(5分)据统计某超市两种蔬菜A,B连续n天价格分别为a1,a2,a3,…,a n,和b1,b2,b3,…,b n,令M={m|a m<b m,m=1,2,…,n},若M中元素个数大于n,则称蔬菜A在这n天的价格低于蔬菜B的价格,记作:A B,现有三种蔬菜A,B,C,下列说法正确的是() A.若A B,B C,则A C B.若A B,B C同时不成立,则A C不成立 C.A B,B A可同时不成立 D.A B,B A可同时成立

2012东城二模高三英语试题及答案

2012东城二模高三英语试题及答案

北京市东城区2011—2012学年度第二学期高三综合练习(二) 英语 2012.5 本试卷共150分,考试时间120分钟。考试结束后,考生务必将答题卡交回。 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。 4. 答题卡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均不得分。 第一部分:听力理解(共三节,30分) 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) 从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

D. hoped 25. Peter will have to change his travel plan because his flight _____. A. delays B. would delay C. has been delayed D. was delayed 26. You have a gift for art. ______ you do your best, you are sure to create fine art works. A. As soon as B. Even if C. In case D. As long as 27. She looked ______ her handbag, but her keys were not there. A. for B. to C. at D. in 28. I wish that I _____ to go to Jim’s party, for I have to do some extra work tonight. A. hadn’t agreed B. have n’t agreed C. would n’t agree D. won’t agree 29. If your call is not answered within two minutes, you______ to hang up and dial again. A. would be advised B. are advised C. have been advised D. were advised

东城二模理科数学

1 1 1 北京市东城区2011-2012学年度第二学期高三综合练习(二) 数学 (理科) 本试卷分第Ⅰ卷和第Ⅱ卷两部分,第Ⅰ卷1至2页,第Ⅱ卷3至5页,共150分。考试时长120分钟。考生务必将答案答在答题卡上,在试卷上作答无效。考试结束后,将本试卷和答题卡一并交回。 第Ⅰ卷(选择题 共40分) 一、本大题共8小题,每小题5分,共40分。在每小题列出的四个选项中,选出符合题 目要求的一项。 (1)下列命题中,真命题是 (A )x ?∈R ,2 10x --< (B )0x ?∈R ,2001x x +=- (C )21 ,04 x x x ?∈-+>R (D )2000,220x x x ?∈++

(A)⊥ αβ,且m?α(B)m∥n,且n⊥β(C)⊥ αβ,且m∥α(D)m⊥n,且n∥β (7)若m是2和8的等比中项,则圆锥曲线 2 21 y x m +=的离心率为 (A) 3 2 (B)5(C) 3 2 或 5 2 (D) 3 2 或5 (8)定义:()0 0> > =y, x y )y,x ( F x,已知数列{} n a满足: () ()n, F ,n F a n2 2 =() n* ∈N, 若对任意正整数n,都有 k n a a≥() k* ∈N成立,则 k a的值为 (A) 1 2 (B)2(C) 8 9 (D) 9 8 第Ⅱ卷(共110分) 二、填空题:本大题共6小题,每小题5分,共30分。 (9) 设a∈R,且2 (i)i a+为正实数,则a的值为 . (10) 若圆C的参数方程为 3cos1, 3sin x y =+ ? ? = ? θ θ( θ为参数),则圆C的圆心坐标为,圆C 与直线30 x y +-=的交点个数为 . (11)在平面直角坐标系xOy中,将点A(3,1)绕原点O逆时针旋转 90到点B,那么点B的坐标为____, 若直线OB的倾斜角为α,则sin2α的值为. (12) 如图,直线PC与O相切于点C,割线PAB经过圆心 O, 弦CD⊥AB于点E,4 PC=,8 PB=,则CE=. (13)已知函数 sin1 () 1 x x f x x -+ = + () x∈R的最大值为M,最小值为m,则M m +的值为__.

北京市东城区2015年中考二模英语试题及答案

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2012年西城区高考二模_英语精彩试题及问题详解

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