当前位置:文档之家› 2014年浦东新区初三一模英语试卷(含参考答案)

2014年浦东新区初三一模英语试卷(含参考答案)

2014年浦东新区初三一模英语试卷(含参考答案)
2014年浦东新区初三一模英语试卷(含参考答案)

最新浦东新区初三数学一模试卷加答案(精准校对完整版)

浦东新区2016年一模数学试卷(含答案详解) (总分150) 2016 一、选择题:(本大题共6小题,每题4分,满分24分) 1.如果两个相似三角形对应边之比是1:4,那么它们的对应边上的中线之比是( ) A. 1:2 B. 1:4 C. 1:8 D. 1:16 2.在Rt △ABC 中,∠C=90°,AB=5,BC=4,则sinA 的值为( ) A. B. C. D. 3.如图,点D 、E 分别在AB 、AC 上,以下能推得DE//BC 的条件是( ) A. AD:AB=DE:BC ; B. AD:DB=DE:BC ; C. AD:DB=AE:EC ; D. AE:AC=AD:DB. 4.已知二次函数y=ax 2+bx+c 的图像如图所示,那么a 、b 、c 的符号为( ) A. a <0,b <0,c >0; B. a <0,b <0,c <0; C. a >0,b >0,c >0; D. a >0,b >0,c <0. 5.如图,Rt △ABC 中,∠ACB=90°,CD ⊥AB 于点D ,下列结论中错误的是( ) A. AC 2=AD ·AB ; B. CD 2=CA ·CB ; C. CD 2=AD ·DB ; D. BC 2=BD ·BA. 6.下列命题是真命题的是( ) A. 有一个角相等的两个等腰三角形相似; B. 两边对应成比例且有一个角相等的两个三角形相似; 34 35 45 43 B A

C. 四个内角都对应相等的两个四边形相似; D. 斜边和一条直角边对应成比例的两个直角三角形相似. 二、填空题(本大题共12小题,每题4分,满分48分) 7.已知,那么 . 8.计算: . 9.上海与杭州的实际距离约200千米,在比例尺1:5000 000的地图上,上海与杭州的图上距离约厘米. 10.某滑雪运动员沿着坡比为1:的斜坡向下滑行了100m,则运动员下降的垂直高度是米. 11.将抛物线y=(x+1)2向下平移2个单位,得到新抛物线的函数解析式是 . 12.二次函数y=ax2+bx+c 的图像如图所示,对称轴为直线x=2,若此抛物线与x轴的一个交点为(6,0),则抛物线与x轴的另一个交点坐标是 . 13.如图,已知AD是△ABC的中点,点G是△ABC的重心,,那么用向量表示向量 为 . 14.如图,在△ABC中,AC=6,BC=9,D是△ABC的边BC上的点,且∠CAD=∠B,那么CD的长是 . 15.如图,直线AA 1//BB 1 //CC 1 ,如果 ,AA 1 =2,CC 1 =6,那么线段BB 1 的长为 . x y = 1 3 x x+y = 1 3 3 AB = a a AB BC = 1 3 AG

2018浦东新区初三英语一模卷及答案

浦东新区2017学年第一学期初三教学质量检测 英语试卷 Part 1 Listening(第一部分听力) Ⅰ. Listening comprehension(听力理解)(共30分) A. Listen and choose the right picture(根据你听到的内容,选出相应的图片)(6分) 1. ________ 2. ________ 3. ________ 4. ________ 5. ________ 6. ________ B. Listen to the dialogue and choose the best answer to the question you hear(根据你所听到的对话和问题,选出最恰当的答案)(8分) 7. A. In June. B. In May. C. In July. D. In March. 8. A. A teacher. B. A shop assistant. C. A shop manager. D. A bank clerk. 9. A. Clean the kitchen. B. Lay the table. C. Cook with Jenny. D. Enjoy the dinner. 10. A. Rainy. B. Sunny. C. Cloudy. D. Snowy. 11. A. At 1:00 . B. At 2:00 . C. At 3:00 . D. At 5:00 . 12. A. In the library. B. In the cinema. C. In the restaurant. D. In the book store.

2017年上海市松江区中考一模(即期末)英语试题及答案

上海市松江区中考一模(即期末)试题 英语 (满分150分,完卷时间100分钟) 考生注意:本卷有7大题,共94小题。试题均采用连续编号,所有答案务必按照规定在答题纸上完成,做在试卷上不给分。 Part 1 Listening (第一部分听力) I.Listening comprehension (听力理解) (共30分) A.Listen and choose the right picture (根据你听到的内容,选出相应的图片) (6分) 1. ________ 2. ________ 3. ________ 4. ________ 5. ________ 6. ________ B. Listen to the dialogue and choose the best answer to the question you hear (根据你听到的对话和问题,选出最恰当的答案) (8分) 7. A) On foot. B) By underground. C) By bus. D) By car. 8. A) Because they didn’t have any classes. B) Because the bus broke down. C) Because the weather was terrible. D) Because he had to attend a meeting. 9. A) Cooking dishes. B) Buying vegetables. C) Having dinner. D) Borrowing books. 10. A) Kitty. B) Jane.

最新2018年上海浦东新区中考数学一模试卷

精品文档 2018年上海市浦东新区中考数学一模试卷 一、选择题:(本大题共6题,每题4分,满分24分)【下列各题的四个选项中,有且只有一个选项是正确的,选择正确项的代号并填涂在答题纸的相应位置上】1.(4分)如果把一个锐角三角形三边的长都扩大为原来的两倍,那么锐角A的 余切值() .缩小为原来的B.扩大为原来的两倍A C.不变D.不能确定 2.(4分)下列函数中,二次函数是() 22y=Dx.(x+4)﹣﹣4x+5 B.y=x(2x﹣3)C.y=A.y= 3.(4分)已知在Rt△ABC中,∠C=90°,AB=7,BC=5,那么下列式子中正确的 是() cotA=.tanA= cosA= C.A.DsinA= B. 与向量分)已知非零向量平行的,,下列条件中,不能判定向量,4.(4是() =C=2.=AD.,.,B.||=3 || 2+bx+c的图象全部在x5.(4分)如果二次函数y=ax轴的下方,那么下列判断中正确的是() A.a<0,b<0 B.a>0,b<0 C.a<0,c>0 D.a<0,c<0 6.(4分)如图,已知点D、F在△ABC的边AB上,点E在边AC上,且DE∥BC,要使得EF∥CD,还需添加一个条件,这个条件可以是() .B.A.C.D 精品文档. 精品文档

二、填空题:(本大题共12题,每题4分,满分48分) ,则== 7.(4分)知. 8.(4分)已知线段MN的长是4cm,点P是线段MN的黄金分割点,则较长线 段MP的长是cm. 的周长的比值是C,ABC的周长与△AB4分)已知△ABC∽△ABC,△9.(111111BE、BE分别是它们对应边上的中线,且BE=6,则BE=.1111 ()=+2 .10(4分)计算:.3 11.(4分)计算:3tan30°+sin45°=. 2﹣4的最低点坐标是y=3x .12.(4分)抛物线 2向下平移3个单位,所得的抛物线的表达式是13.(4分)将抛物线 y=2x. 14.(4分)如图,已知直线l、l、l分别交直线l于点A、B、C,交直线l于51432点D、E、F,且l∥l∥l,AB=4,AC=6,DF=9,则DE=.312 15.(4分)如图,用长为10米的篱笆,一面靠墙(墙的长度超过10米),围成一个矩形花圃,设矩形垂直于墙的一边长为x米,花圃面积为S平方米,则S关 于x的函数解析式是(不写定义域). 16.(4分)如图,湖心岛上有一凉亭B,在凉亭B的正东湖边有一棵大树A,在湖边的C处测得B在北偏西45°方向上,测得A在北偏东30°方向上,又测得A、C之间的距离为100米,则A、B之间的距离是米(结果保留根号形式). 精品文档.

上海市浦东新区2021届初三一模数学试卷

上海市浦东新区2021届初三一模数学试卷 2021.01 一、选择题 1. A 、B 两地的实际距离250AB =米,如果画在地图上的距离5A B ''=厘米,那么地图上的距离与实际距离的比为( ) A. 1:500 B. 1:5000 C. 500:1 D. 5000:1 2. 已知在Rt ABC △中,90C ∠=,B α∠=,2AC =,那么AB 的长等于( ) A. 2sin α B. 2sin α C. 2cos α D. 2cos α 3. 下列y 关于x 的函数中,一定是二次函数的是( ) A. ()213y k x =-+ B. 21 1y x = + C. ()()212y x x x =+-- D. 227y x x =- 4. 已知一个单位向量e ,设a 、b 是非零向量,那么下列等式中正确的是( ) A. a e a = B. e b b = C. 1a e a = D. 11a b a b = 5. 如图,在ABC △中,点D 、F 是边AB 上的点,点E 是边AC 上的点,如果ACD B ∠=∠,DE BC ∥,EF CD ∥,下列结论不成立的是( ) A. 2AE AF AD =? B. 2AC AD AB =? C. 2AF AE AC =? D. 2AD AF AB =? 6. 已知点()1,2A 、()2,3B 、()2,1C ,那么抛物线21y ax bx =++可以经过的点是( ) A. 点A 、B 、C B. 点A 、B C. 点A 、C D. 点B 、C 二、填空题 7. 如果线段a 、b 满足 52a b =,那么 a b b -的值等于 ; 8. 已知线段MN 的长为4,点P 是线段MN 的黄金分割点,那么较长线段MP 的长是 ; 9. 计算:2sin30tan 45-= ; 10. 如果从某一高处甲看低处乙的俯角为36度,那么从低处乙看高处甲的仰角是 度; 11. 已知AD 、BE 是ABC △的中线,AD 、BE 相交于点F ,如果3AD =,那么 AF = ;

上海市2017普陀区初三英语一模试卷(含答案).docx

普陀区2017 学年度第一学期初三质量调研英语试卷 Part 2 Phonetics, Grammar and Vocabulary II. Choose the best answer(选择最恰当的答案) 20 分 26.Which of the following underlined parts is different in pronunciation from others? A.Put your hand on my shoulder B.Mother is so proud of me C.Tom drew a mouse just now D.Can the kid count numbers 27.In order to keep fit ,Simon goes for swim after work every day. A./ B.a C.an D.the 28.the toy attracted many people’ s attention, it didnhave many’buyerst. A.If B.Though C.As D.Because 29.Stephen learned skating several months when he lived in German. A.on B.in C.at D.for 30.At last I saw the wild lions and elephants in Africa with own eyes! A.I B.me C.my D.mine 31.All the seats in the library are empty now. You may take of them. A.either B.neither C.any D.both 32.The parents haven ’t heard their kid in Europe for a long time. A.at B.to C.with D.from 33.The brave fire fighters saved the people in the building one after. A.another B.the other C.others D.the others 34.Jane ’twins brothers are making much progress this term than last term. A.great B.greater C.greatest D.the greatest 35.The search for the missing old man continued he was found. A.until B.while C.after D.since 36.We saw a huge rainbow on our way home., I had my camera with me. A.Luck B.Lucky C.Luckier D.Luckily 37.Look! Someone up the hall already and we can just relax! A.cleans B.will clean C.cleaned D.has cleaned 38.Mr,Drake called 5 minutes ago. He’liked your nephew his fence. A.fix B.fixes C.to fix D.fixed 39.Yesterday the funny short play made every audience in the theater. https://www.doczj.com/doc/4f4941790.html,ugh B.to laugh C.would laugh https://www.doczj.com/doc/4f4941790.html,ughed 40.When he retired at 65,he painting in over 20 cities in Europe and Asia. A.teaches B.has taught C.had taught D.would teach 41.Don’ t worry!Our boss iscoming and you there in five minutes. A.will meet B.meet C.met D.has met 42.--did the winner of the bicycle race ride? --At the speed of 40km/h. A.How long B.How fast C.How much D.How far 43. Dustin has been warned that he lose at least 10 pounds if he wants to stay healthy. A.may B.can C.would D.should 44.--It’ s so kind of you to hold the doorfor me.

青浦区2018年初三数学一模试卷与答案

.. .. .. 青浦区2017-2018学年第一学期九年级期终学业质量调研测试 数学试卷 2018.1 (完成时间:100分钟 满分:150分 ) 一、选择题:(本大题共6题,每题4分,满分24分) 【下列各题的四个选项中,有且只有一个选项是正确的,选择正确项的代号并填涂在答题纸的相应位置上.】 1. 计算32 ()x -的结果是(▲) (A )5x ; (B )5x -; (C )6x ; (D )6x -. 2. 如果一次函数y kx b =+的图像经过一、二、三象限,那么k 、b 应满足的条件是(▲) (A )0k >,且0b >;(B )0k <,且0b <;(C )0k >,且0b <;(D )0k <,且 0b >. 3. 下列各式中,2x -的有理化因式是(▲) (A )2x +; (B )2x -; (C )2x +; (D )2x -. 4.如图1,在△ABC 中,∠ACB =90°,CD 是AB 边上的高.如果BD =4,CD=6,那么:BC AC 是(▲) (A )3:2; (B )2:3; (C )3:13; (D )2:13. 5. 如图2,在□ABCD 中,点E 在边AD 上,射线CE 、BA 交于点F ,下列等式成立的是(▲) (A )AE CE ED EF =; (B )AE CD ED AF = ; (C ) AE FA ED AB = ; (D )AE FE ED FC = . 6. 在梯形ABCD 中,AD //BC ,下列条件中,不能判断梯形ABCD 是等腰梯形的是(▲) (A )ABC DCB ∠=∠; (B )DBC ACB ∠=∠; (C )DAC DBC ∠=∠; (D ) ACD DAC ∠=∠. 二、填空题:(本大题共12题,每题4分,满分48分) 7.因式分解:23a a += ▲ . 8. 函数1 1 y x = +的定义域是 ▲ . A B C D E F 图2 A B C D 图1 学校 班级 准考证号 姓名 …………………密○……………………………………封○……………………………………○线……………………………

学年浦东新区初三数学一模试卷

2016学年浦东新区初三一模数学试卷数学试卷 数学试卷 2017/1/12 (满分:150分,考试时间:100分钟) 考生注意: 1. 本试卷含三个大题,共25题 2. 答题时,考生务必按答题要求在答题纸规定位置上作答,在草稿纸,本试卷上大题一律无效; 3. 除第一、二大题外,其余各题如无特别说明,都必须在答题纸的相应位置上写出证明或计算的主要步 骤。 一、选择题(本大题共6题,每题4分,满分24分) . 1.在下列y 关于x 的函数中,一定是二次函数的是………………………………………………( ) (A )2 2y x =; (B )22y x =-; (C )2 y ax =; (D )2 a y x = . 2.如果向量a b x 、 、满足32 ()23 x a a b +=-,那么x 用a b 、表示正确的…………………( ) (A )2a b -; (B )52a b -; (C )2 3 a b -; (D )12a b - 3.已知在Rt ABC ?中,90O C ∠=,A α∠=,2BC =,那么AB 的长等于( ) (A )2sin α; (B )2sin α; (C )2 cos α ; (D )2cos α # 4.在ABC ?中,点D E 、分别在边AB AC 、,如果2AD =,=4BD ,那么由下列条件能够判断DE BC ∥的是( ) (A )12AE AC =; (B )13DE BC =; (C )13AE AC =; (D )1 2 DE BC = 5.如图,ABC ?的两条中线AD CE 、交于点G ,且AD CE ⊥.联结BG 并延长与AC 交于点F ,如果912AD CE ==,,那么下列结论不正确的是( ) (A ) 10AC =; (B )15AB =; (C )10BG =; (D )15BF = —

届浦东新区初三英语一模试卷及答案doc

浦东新区2012学年度第一学期期末质量测试 初三英语试卷 (满分150分,考试时间100分钟) 考生注意:本卷有七大题,共99小题。试题均采用连续编号,所有答案务必按照规定在答题纸上完成,做在试卷上不给分。 Part 1 Listening (第一部分听力) I. Listening Comprehension (听力理解): (共30分) A. Listen and choose the right picture (根据你听到的内容,选出相应的图片): (6分) A B C D E F G B. Listen to the dialogue and choose the best answer to the question you hear (根据你听到的对话和问题,选出最恰当的答案): (10分) 7. A) John. B) John’s sister. C) Jane. D) Jane’s brother. 8. A) In the hospital. B) In the library. C) At the airport. D) In the supermarket. 9. A) On the 26th of May. B) On the 27th of May. C) On the 28th of May. D) On the 29th of May. 10. A) A writer. B) A detective. C) A policeman. D) A teacher. 11. A) Food. B) Medicine. C) Clothes. D) Medical teams. 12. A) English. B) Maths. C) Chinese. D) Physics. 13. A) By bus. B) By underground. C) By taxi. D) On foot.

上海版2020年中考英语一模试卷A卷

上海版2020年中考英语一模试卷A卷 姓名:________ 班级:________ 成绩:________ 一、完形填空 (共2题;共20分) 1. (10分)完型填空 When you were young, who rode you around on the back of his bike? Who played football and flew kites with you in the park? Who helped you 1 your first difficult maths problem? Who taught you the difference between 2? Your dad. Now it is your turn to do something for him. This Sunday, June 18, is Father's day. So why not do something 3 to thank your dad? The idea of Father's Day came from a(n)4lady called Sonora Smart Dodd in 1909. She wanted a special day to honor(纪念)her father. He raised(抚养)six children by himself5 his wife died during the birth of their 6_ child. Dodd thought there needed to be a day to honor great and loving dads. Her father was born7 , so she chose to hold the first Father's Day celebration on his birthday in 1910. In 1924, US president Calvin Coolidge 8the idea of a national Father's Day. Finally, in 1966, the third Sunday in June was made Father's Day. There are many ways to 9 your love and thanks. For example, send him a greeting card or a red rose. If he has a 10 , cover his desktop with words like “I love you, Dad.” (1) A . with B . to C . for (2) A . old and young B . big and small C . right and wrong (3) A . easy B . special C . funny (4) A . American B . Japanese C . British

(完整版)2020年上海浦东初三数学一模试卷及答案

浦东新区2019 学年第一学期初中学业质量监测 初三数学试卷 考生注意: 1.本试卷共25 题,试卷满分150 分,考试时间100 分钟. 2.答题时,考生务必按答题要求在答题纸规定的位置上作答,在草稿纸、本试卷上答题一律无.效 3.除第一、二大题外,其余各题如无特别说明,都必须在答题纸的相应位置上写出证明或 计算的主要步骤. 一、选择题:(本大题共6 题,每题4 分,满分24 分) 【下列各题的四个选项中,有且只有一个选项是正确的,选择正确项的代号并填涂在答题纸的相应位置上】 1.在Rt△ABC 中,∠C=90°,如果BC=5,AB=13,那么sin A 的值为 5 5 12 12 (A);(B);(C);(D). 13 12 13 5 2.下列函数中,是二次函数的是 (A)y = 2x -1 ;(B)y =2 ;x2 (C)y=x2 +1;(D)y=(x-1)2-x2. 3.抛物线y =x2- 4x + 5 的顶点坐标是 (A)(?2,1);(B)(2,1);(C)(?2, ?1);(D)(2,?1).4.如图,点D、E 分别在△ABC 的边AB、AC 上,下列各比例式 不一定能推得DE∥BC 的是 (A)AD =AE ;(B)AD = DE ; BD CE AB BC 1

2 10 10 10 (C ) AB = AC ; (D ) AD = AE . BD CE AB AC 5. 如图,传送带和地面所成斜坡的坡度为 1∶3,它把物体从地面点 A 处送到离地面 3 米高 的 B 处,则物体从 A 到 B 所经过的路程为 (A ) 3 米; (B ) 2 米; (C ) 米; (D )9 米. 6. 下列说法正确的是 (A ) a + (-a ) = 0 ; (B )如果a 和b 都是单位向量,那么a = b ; 1 (C )如果| a |=| b |,那么a = b ; (D )如果 a = - b ( b 为非零向量),那么a // b . 2 二、填空题:(本大题共 12 题,每题 4 分,满分 48 分) 【请将结果直接填入答题纸的相应位置】 x + y 7.已知 x =3y ,那么 x + 2 y = ▲ . 8. 已知线段 AB =2cm ,P 是线段AB 的黄金分割点,PA >PB ,那么线段PA 的长度等于 ▲ cm . 9. 如果两个相似三角形对应边之比是 2∶3,那么它们的对应中线之比是 ▲ . 10. 如果二次函数 y = x 2 - 2x + k - 3 的图像经过原点,那么 k 的值是 ▲ . 11. 将抛物线 y = - 3x 2 向下平移 4 个单位,那么平移后所得新抛物线的表达式为 ▲ . 12. 如果抛物线经过点 A (?1,0)和点 B (5,0),那么这条抛物线的对称轴是直线 ▲ . 13. 二次函数 y = -2( x + 1)2 的图像在对称轴左侧的部分是 ▲ . (填“上升”或“下降”) 14. 如图,在△ABC 中,AE 是 BC 边上的中线,点 G 是△ABC 的重心,过点 G 作 GF ∥AB EF 交 BC 于点 F ,那么 EB = ▲ .

【初三英语一模】2021届上海浦东新区初三英语一模(含答案)

2020-2021 学年上海市浦东新区九年级上学期期末教学质量测试 英语学科试卷2021.1 (满分140 分,考试时间90 分钟) 考生注意:本卷有 7 大题,共 84 小题。试题均采用连续编号,所有答案务必按照规定在答题纸上完成,做在试卷 上不给分。 Part 1 Listening(第一部分听力) I.Listening comprehension(听力理解)(共25分) A.Listen and choose the right picture(根据你所听到的内容,选出相应的图片)(5分) 1. 2. 3. 4. 5. B.Listen to the dialogue and choose the best answer to the question you hear (根据你听到的对话和问题,选出最恰当的答案)(5 分) 6. A)Japan. B) Germany. C) France. D) China. 7. A) Doctor and patient. B) Driver and passenger. C) Clerk and manager. D) Mother and son. 8. A) In the hospital. B) In the library. C) In the supermarket. D) In the restaurant. 9. A) Lonely. B) Excited. C) Angry. D) Surprised. 10.A) He doesn't know much about Beijing. B) He hasn’t changed a lot since then. C) He can show the woman around Beijing. D) He will ask someone for help. C.Listen to the passage and tell whether the following statements are true or false (判断下列句子是否符合你听到的短文内容,符合的用“T”表示,不符合的用“F”表示)(5 分)

2018年上海市浦东区中考一模英语试题及答案

浦东新区2018学年度第一学期期末质量测试 初三英语 (满分150分,考试时间100分钟) Part I Listening (第一部分听力) I. Listening Comprehension(听力理解)(共30分) A. Listen and choose the right picture.(根据你听到的 内容,选出相应的图片)(6分) E F G H 1._______ 2.________ 3._________ 4._________ 5._______ 6.________

B. Listen to the dialogue and choose the best answer to the question you hear.(根据你听到的对话和问题,选出最恰当的答案)(8分) 7. A) Happy B) Tired C) Busy D) Sad 8. A) A physics club B) A dancing club C) A music club D) A movie club 9. A) To work in McKing B) To have lunch C) To busy a hamburger D) To help others 10. A) A policeman B)A teacher C) A director D) An engineer 11. A) 10 yuan B) 60 yuan C) 70 yuan D) 80 yuan 12. A) In a restaurant B) In a library C) In a cinema D)In a hospital 13. A) Her father B) Her friends C) Her classmates D) Her cousins 14. A)She doesn’t like fish B) She isn’t interested in fish C) She likes eating fish D) She has had enough

上海版2020届中考一模英语试题A卷

上海版2020届中考一模英语试题A卷 姓名:________ 班级:________ 成绩:________ 一、完形填空 (共1题;共10分) 1. (10分)根据短文理解,从A、B、C、D四个选项中选择最佳答案填空。 After Columbus discovered the New Continent(新大陆) and 1 back to his motherland, Spain, he was warmly 2. But not everyone felt 3 at Columbus' Success. Some people thought Columbus was only a 4 and what he had done could be done by any other seaman. One day, at a dinner, some self-important men did what they could to 5 Columbus unhappy, saying that he had only done the 6 thing in the world. Hearing this instead of jumping up angrily, Columbus took an 7 from a dish and asked,“Look, here, gentlemen, is there anyone here who can make this egg stand upright?” They tried one by one but none could. Then the egg 8 back to Columbus. He broke it a little, put the egg on the table and it stood upright. “What can be easier than this, gentlemen?” he said, “Now you will say it's so9 that everybody can do it. Of course, because I have shown you now.” They looked at each other and talked10. (1) A . took B . gave C . got (2) A . surprised B . welcomed C . attracted (3) A . glad B . angry C . sad (4) A . fireman B . businessman C . seaman (5) A . show B . help

2018年上海市浦东新区中考数学一模试卷

2018年上海市浦东新区中考数学一模试卷 一、选择题:(本大题共6题,每题4分,满分24分)【下列各题的四个选项中,有且只有一个选项是正确的,选择正确项的代号并填涂在答题纸的相应位置上】 1. (4分)如果把一个锐角三角形三边的长都扩大为原来的两倍,那 么锐角A的余切值() A.扩大为原来的两倍 B.缩小为原来的丄 2 C.不变 D.不能确定 2. (4分)下列函数中,二次函数是() A. y=-4x+5 B. y-x (2x - 3) C. y= (x+4) 2-X2 D. y二 3. (4分)已知在RtΔABC中,ZC=90o , AB=7, BC=5,那么下列式 子中正确的是() A-S i nA=I B- COSA=7 C. ta∩A=∣D- COtA=T 4? (4分)已知非零向量$ b, c, 下列条件中,不能判定向量;与向量伉平行的是() A. a // c, b P c B. IaI zz3 Ibl C. a- c, b=2c D. 3÷K=0

5. (4分)如果二次函数y=ax2+bx+c的图象全部在X轴的下方,那么 下列判断中正确的是() A. a<0, b<0 B. a>0, b<0 C. a<0, c>0 D? a<0, c<0 6. (4分)如图,已知点D、F在Z?ABC的边AB上,点E在边AC上,且DE∕/BC,要使得EF〃CD,还需添加一个条件,这个条件可以是 () A EF 二AD B AE=M C AF二A D D AF _ad ? CD-AB . AC-AB * AD-AB * AD-DB 二、填空题:(本大题共12题,每题4分,满分48分) 7. (4分)知昱二色,则兰M= y 2 x+y 8. (4分)已知线段MN的长是4cm,点P是线段MN的黄金分割点, 则较长线段MP的长是__________ cm. 9. (4分)已知△ ABC^ΔA1B,C1, ΔABC的周长与厶A l B l C l的周长的比值是寻BE、BE分别是它们对应边上的中线,且BE=6,则B片——?

2018上海初三数学一模压轴题汇总(各区23-25题)

崇明23.(本题满分12分,每小题各6分) 如图,点E 是正方形ABCD 的边BC 延长线上一点,联结DE ,过顶点B 作BF DE ⊥,垂足为F ,BF 交边DC 于点G . (1)求证:GD AB DF BG ?=?; (2)联结CF ,求证:45CFB ∠=?. (第23题图) A B D E C G F

崇明24.(本题满分12分,每小题各4分) 如图,抛物线24 3 y x bx c =-++过点(3,0)A ,(0,2)B .(,0)M m 为线段OA 上一个动点 (点M 与点A 不重合),过点M 作垂直于x 轴的直线与直线AB 和抛物线分别交于点P N . ()求直线AB 的解析式和抛物线的解析式; ()如果点P 是MN 的中点,那么求此时点N 的坐标; ()如果以B ,P ,N 为顶点的三角形与APM △相似,求点M 的坐标. (第24题图) A M P N B O x y B O x y (备用图) A

崇明25.(本题满分14分,第(1)小题4分,第(2)小题5分,第(3)小题5分) 如图,已知ABC △中,90ACB ∠=?,8AC =,4 cos 5 A =,D 是A B 边的中点,E 是A C 边上一点,联结DE ,过点 D 作DF D E ⊥交BC 边于点 F ,联结EF . (1)如图1,当DE AC ⊥时,求EF 的长; (2)如图2,当点E 在AC 边上移动时,DFE ∠的正切值是否会发生变化,如果变化请说出 变化情况;如果保持不变,请求出DFE ∠的正切值; (3)如图3,联结CD 交EF 于点Q ,当CQF △是等腰三角形时,请直接写出....BF 的长. (第25题图1) A B C D F E B D F E C A (第25题图2) B D F E C A (第25题图3)

2010年上海市浦东新区中考英语一模考试题及答案

浦东新区2010年中考预测 Ⅴ. Choose the best answer (选择最恰当的答案): (共26分) 31. No. 2 Terminal Building at Hongqiao Airport is put to use ______ March 16th. A) in B) at C) on D) by 32. Eddie and his family won ______ MP4 in the 'Super Families' TV Show last week. A) a B) an C) the D) / 33. If you don’t like the style of the shoes, you can ask the clerk to bring you _____ pair. A) another B) other C) the other D)others 34. A report says that about ______ of the English teachers in Shanghai are under the age of 35. A) three-fifth B) third-fifths C) thirds-fifth D) three-fifths 35. The learned man wondered ______ electricity was in some way like lightening during a thunderstorm. A) what B) how C) that D) whether 36. ---Which do you prefer, a CD player or an MP3? ---______. I like playing games, so I prefer a PSP. A) Both B) None C) Neither D) All 37. Help ______ to work out these physical problems, will you? A) yourself B) myself C) you D) me 38. With the help of TV programmes, many of the world’s top designers’ names are ___ A) similar to B) familiar to C) similar with D) familiar with 39. The news of serious drought(干旱) in southwest China made Ben feel very ______. A) badly B) sadly C) lonely D) sorry 40. Several years ago ______ green lands can be found in the center of Shanghai, but now you can see trees and grass land there. A)few B) little C) many D) a few 41.The world is becoming smaller and smaller because the Internet brings us ______. A) close B) closer C) the closer D) the closest 42. _____ fun it is to go skating in such a chilly weather! A) What B) What a C) How D) How a 43. Although the speed (速度) of the maglev train is very fast ,the price of its ticket is not - 1 - / 10

相关主题
文本预览
相关文档 最新文档