2015——2016七年级下册期中复习
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2015-2016学年度第二学期期中考试题(卷)七年级英语I、单词辨音(每题1分,共5分)从A、B、C、D四个选项中,找出其划线部分与所给单词的画线部分读音相同的选项。
( ) 1. rain A. train B. moutain C. certainly D. says( ) 2.soup A. young B. group C. country D. cloudy( ) 3.zoo A. good B. look C. tooth D.neighborhood( ) 4.tooth A. either B. weather C. other D. south( ) 5.learn A. year B. near C. early D. wearII、词汇考查(每小题1分,共15分)A)、词语释义,选择与画线部分意义相同或相近的选项(5分)6.We do well in reading English every day.A.be good atB.do a lotC.are good atD.enjoy ourselves7.A:What are you doing?. B: Not much.A.Not lots ofB.No workC.all rightD.Nothing much8.Let’s read English every day, will you ?A.do youB.do weC.won’t youD.are you9.we have a lot of homework to do every day.A. manyB.muchC.a lotD.more10.He wants to learn English very much .A.thinksB.wishesC.is thinkD.is wishB)用括号中所给词的适当形式填空(5分)11. The English is very ____________ (interest).12. He doesn't feel __________ (relax) when he is at work.13. He is the ________ in the English test. (one)14. Either she or I ________ (be) busy this week.15. One of the children often ____________ (play) soccer in the street.C)、根据句意及所提示信息写出所缺单词(注意其所填词的正确形式)(5分)16. The food smells (16)/ ɡud/________ and it sells (17)/wel/________.18. . She isn't late. I am not late, ________.(也)19. Kate is studying English for her test_______(努力地)20.You are going _______ the road.(沿着)III、语法与情景会话(每小题1分,共25分)21. —Can you ________ him to stop talkking? —Certainly.A.tell B.say C.talk D.speak22. The little girl ________ English very________.A.speaks; good B.speaks; well C.says; well D.tells; well23. —Either you or he ________ on duty today, don't forget it.—OK, I won't. A.is B.am C.are D.be24. —Our parents ask us to finish our homework ____ after school.—It's a good habit. A.one B.first C.ones D.once25. That island is the biggest one ________ islands.A.among hundred of B.among three hundredC.between hundreds of D.between three hundreds26.________ takes the old man a long time ________ the door of his own.A.It; to open B.It; opening C.That; to open D.That; opens27.—________are you from? —I'm from Changchun.A. WhenB. WhereC. WhoD. How28.—________ are you late today? —________ there is so much traffic on my way here.I can't drive my car fast.A. Why; becauseB. Where; becauseC. Why; forD. When; since29.—Don't forget ________ the paper ________ Mr. Smith this afternoon.—Of course, I won't.A.to give; to B.giving; to C.to give; for D.giving; for 30.—There is a big bridge made ________ stones(石头)across the river.—It's very useful. People use it to cross the river to the town.A.from B.into C.on D.of31.—Hush, be quiet! The baby ________in the next room. —Oh, sorry.A. sleepsB. sleptC. is sleepingD. was sleeping32.Don’t bother(打扰)him. He ________to the weather report.He is leaving for another city.A. will listenB. is listeningC. listensD. listened33.His family ________ a large one. Look! His family ________ having dinner now.A.is; is B.are; are C.is; are D.are; is考号校班级姓名考场密封线第页,共页134.I always miss with my teachers.A.am B.to be C.being D.be35.—What do you buy ______your mother ______ Mother's Day?—I am not sure.A.for; at B.to; at C.to; on D.for; on36.—________ is your aunt's home from here?—It's about 3 kilometers.A.How far B.How long C.How many D.How often37 —Hello, may I speak to John, please? —________A.Who are you?B. What's the matter?C. This is John speaking.D. He is John.38 What time does she school and home every day ?A.get; get B.get to; get C.get to; get to D.get; get to39—Why not ________ to the movies tonight? —________ fun. I am free this evening.A.go; Sound B.going; Sounds C.go; Sounds D.goes; Sound 40—They enjoy ________ English this way. —I want to have a try.A.speaking B.say C.to speak D.to say41._____friend's making______a kite.(A)I,me (B)My,my (C)My,me (D)His,his42.Is the woman ______ yellow your teacher?(A)in (B)putting on (C)wearing (D)having43.Look!The twins_____their mother do the housework.(A)are wanting (B)help (C)are helping (D)are looking44.---Could you tell him to call me back? --- _____ ________(A)Yes,I could. (B)No,I could. (C)Yes,I can. (D)No,Icould.45.Is she____something?(A)eat (B)eating (C)eatting (D)eatsⅣ.动词考查(每小题1分,共15分)A).选择动词的适当形式填空. 5分46. His parents’son _______________(not watch)TV on school days.47.You can't see her now; she_______________(have)a bath.48.My parents________________(grow)older and older.49.I like ___________________ (swim).50.He enjoys himself ___________________ (read) English every day. B).从方框里选择动词词组的适当形式填空(10分)(语义选对得0.5分,其它错误扣0.5分)have a great time;talk on the phone ; listen to a CD; eat out; join me for dinner;be busy with; welcome to the zoo; be in great danger; arrive late for class ; be on time51.We ____________________at school every day.52.Look at the pay phone.They ______________________now.53.I think that _______________________ English must be helpful some day.54.Do you________________________ for breakfast?55. I want to go eating.Do you ____________________,Mr.Li?56.Can you let me use your player? I want to___________________________.e and see animals for yourself. ______________________.58.Elephants are losing their homes so they __________________.59.He always __________________________.He can’t get good grades.60. I like _________________________for school.I want to be a good student.V、按要求完成句子(每空1分,共20分)A)句型转换请按括号内要求转换下列句子。
2015-2016 年人教版初一下学期 数学期中考试试题及答案讲解2013-2014 学年度第二学期七年级期中质量检测数学试卷 ( 完 卷 时 间 : 100 分 钟满分:120 分) 一、选择题:(选一个正确答案的序号填入括号内,每小题 3 分,共 30 分)1.下面的四个图形中,∠1 与∠2 是对顶角的是 ( )。
A.B.C.D.2. 1 的平方根是( )。
4A. 1 2B. 1 2C. 1 2D. 1 163.下列式子正确的是( )。
A. 49=7B. C. D. 3 7= 3 725= 5(-3)2 = 34.如图,已知 AB⊥CD,垂足为 O,EF 为过O 点的一条直线,则∠1 与∠2 的关系一定成立的是( )。
A.相等 C.互补B.互余 D.互为对 顶角5.下列说法正确的是( )。
23PEFMNA.(0,- B.(4,2)C.(4,4)D.(2,4)2) 二、填空题:(每小题 3 分,共 21 分)11. 3 11的相反数是是。
,绝对值12.如果 , 3=1.732 30=5.477 ,那么 0.0003 的平方根是。
13.命题“同角的余角相等”改写成“如果……那么……” 的形式是。
14.如图所示,想在河的两岸搭建一座桥 ,搭建方式最短的是,理由是415.小刚在小明的北偏东 60°方向的 500m 处,则小明在小刚的。
(请用方向和距离描述小明相对于小刚的位置)16.绝对值小于 8 的所有整数是.17.定义“在四边形 ABCD 中,若 AB‖CD,且 AD‖BC,则四边形 ABCD 叫做平行四边形。
”若一个平行四边形的三个顶点的坐标分别是(0,0),(3,0),(1,3),则第四个顶点的坐标是.三、解答下列各题:(共 69 分)18.(每小题 5 分,共 10 分)(1)计算 0.04 3 27 (-2)2(2)求满足条件的x值19.(7 分)根据语句画图,并回答问题。
如图,∠AOB 内有一点 P .(1)过点 P 画 PC‖OB 交 OA 于点 C,画 PD‖OA 交 OB 于点 D.5(2)写出图中与∠CPD 互补的角.(写两个即可)(3)写出图中与∠O 相等的角.(写两个即可)B.PAO20.(8 分)完成下面推理过程:如图,已知 DE‖BC,DF、BE 分别平分∠ADE、∠ABC,可推得∠FDE=∠DEB 的理由:∵DE‖BC(已知)A∴∠ADE=.(FDE)∵DF、BE 分别平分∠ADE、∠BABC,C∴∠ADF= 1,2∠ABE=1.()2∴∠ADF=∠ABE6∴‖.()∴∠FDE=∠DEB.()21.(8 分)如图,四边形 ABCD 为平行四边形,OD=3, CD=AB=5,点 A 坐标为(-2,0)(1)请写出 B、C、D 各点的坐标; (2)求四边形 ABCD 的面积。
E DCB Aα21c b aF E C BA l 2l 121洪山区2015—2016学年度第二学期期中调考七年级数学试卷一、选择题(共10小题,每小题3分,共30分)1.化简(-4)2 的结果为( )A .2B .4C . -4D .±4 2.如图,已知,直线l 1∥l 2,一块含30°角的直角三角板如图所示放置, ∠1=20°,则∠2=( )A .20B .30°C .40°D .60° 3.在平面直角坐标系中,点P (4,-5)在( )A .第一象限B .第二象限是C .第三象限D .第四象限 4.下列说法正确的是( )A .-5是25的平方根B .25的平方根是-5C .125的立方根是±5D .±5是的(-5)2算术平方根5.如图,能使AB ∥CD 成立的条件是( )A .∠B =∠D B .∠B +∠D =90°C .∠B +∠D +∠E =180° D .∠B +∠D =∠E6.下列各数:711,3.1415926,π4,0.7&,39,25中,其中无理数有( )个 A .1个 B .2个 C .3个 D .4个7.如图,直线a ∥b ∥c ,∠1=110°,∠2=125°,那么α等于( )A .45°.B .55°C .65°D .70° 8.小强将平面直角坐标系中的△ABC 进行平移,得到三角形A ’B ’C ’,已知A (2,-1) 的对应点A ’的坐标(a ,-4),点B (5,-2)对应点B ’的坐标为3(,b ),则点C (a ,b )的对应点C ’的坐标为( )A .(-2,-8)B .(3,-4)C .(0,-5)D .无法确定9.如图,AB ∥EF ,则下列关系中正确的是( )A .∠C =∠B +∠D B .∠D +∠E =180°+∠BC .∠B +∠D +∠E =180°+∠C D .∠E +∠B =∠C +∠D10.如图,点A (1,0)第一次跳动至点A 1(-1,1),第二次跳动至点A 2(2,1),第三次跳动至点A 3(-2,2),第四次跳动至点A 4(3,2),L ,依此规律跳动下去,A 第102次跳动至点A 102的坐标是( )A .(-50,50)B .(-51,51)C .(52,51)D .(51,50)二、填空题(共6小题,每小题3分,共18分)11.若点P (m +3,m +1),在x 轴上,则P 的坐标为____________.12.一个正数a 的平方根是3x -4与2-2x ,则这个正数a 是__________. 13.如图所示,若在某棋盘上建立直角坐标系,使“将”位于点(1,-2),“象”位于点(3,-2),则“炮“位于点___________.14.如图,AB ∥EF ,∠C =90°,写出α、β、γ之间的等量关系是___________.15.求一个正数的立方根,有些数可以直接求得,2=,有些数则不能直接求得,但可以利用计算器求得,还可以通过一组数的内在联系,运用规律求得,请同学观察下表:已知1.293≈,2.785≈,6≈运用你发现的规律求=___________.16.如图,在平面直角坐标xoy 中,对正方形ABCD 及其内部的每个点进行如下操作:把每一个点的横,纵坐标都乘以同一个实数a ,将得到的点先向右平移m 个单位,再向上平移n 个单位(m >0,n >0),得到正方形A ’B ’C ’D ’及其内部的点,其中点A 、B 的对应点分别为A ’、B ’,已知正方形ABCD 内部的一个点F 经过上述操作后得到的对应点F ’与点F 重合,则点F 的坐标为___________.将炮象γβαFE D CBA第13题图第14题图 第16题图三、解答题(共7小题,共52分) 17.(本题8分)求值或计算:①求满足条件的x 值:① 211604x -= ② 18.(本题6分)完成下面推理过程:如图,已知DE //BC ,DF 、BE 分别平分∠ADE 、∠ABC ,可推得∠FDE =∠DEB 的理由: ∵ DE //BC (已知)∴ ∠ADE = ( )∵ DF 、BE 分别平分∠ADE 、∠ABC∴ ∠ADF =12∠ADE ,∠ABE =12∠ABC ( )∴ ∠ADF =∠ABE∴ DF // ( )∴ ∠FDE =∠DEB ( )F EDCBA19.(本题6分)如图,EF //AD ,AD //BC ,CE 平分∠BCF ,∠DAC =100°,∠ACF =20°,求∠FEC 的度数.FEDCB A20.(本题6分)如图,在平面直角坐标系中,△ABC 的三个顶点的位置如图所示,现将△ABC 沿AA ’的方向平移,使得点A 移至图中的点A ’的位置.(1)在直角坐标系中,画出平移后所得△A ’B ’C ’(其中B ’、C ’分别是B 、C 的对应点). (2)(1)中所得的点B ’、C ’的坐标分别是 ; (3)直接写出平移过程中线段AB 扫过的面积 .21.(本题8分)如图1,在五边形ABCDE 中,AE //BC ,∠A =∠C . (1)猜想AB 与CD 之间的位置关系,并说明理由;图1ABCDE(2)延长DE 至F ,连接BE ,如图2,若∠1=∠3,∠AEF =2∠2,求证∠AED =∠C .图2321F ED CBA22.(本题8分)某区进行课堂教学改革,将学生分成5个学习小组,采取团团坐的方式.如图,这是某校八(1)班教室简图,点A 、B 、C 、D 、E 分别代表五个学习小组的位置.已知A 点的坐标为(-1,3).(1)请按题意建立平面直角坐标系(横轴和纵轴均为小正方形的边所在直线,每个小正方形边长为1个单位长度),写出图中其他几个学习小组的坐标;(2)若(1)中建立的平面直角坐标系坐标原点为O ,点F 在DB 的延长线上,直接写出,∠F AB 、∠AFO 、∠FOD 之间的等量关系 .23.(本题10分)如图,对于长方形OABC ,AB //OC ,AO //BC ,O 为平面直角坐标系的原点,OA =8,OC =4,点B 在第三象限. (1)直接写出点B 的坐标 ;(2)如图,若点P 从C 点出发向CB 方向匀速运动(不超过点B ),点Q 从B 点出发向BA 方向匀速运动(不超过点A ),且点Q 的速度是P 的一半,P 、Q 两点同时出发,在点P 、Q 移动过程中,四边形PBQO 的面积是否发生变化?若不变,求其值;若变化,求其变化范围.(3)如图,M 为x 轴负半轴上一点,且∠CBM =∠CMB ,N 是x 轴正半轴上一动点,∠MCN 的平分线CD 交BM 的延长线于点D ,在点N 运动的过程中,求∠∠D ∠CNM的值.2014—2015学年度洪山区第二学期期中调考七年级数学参考答案一、选择题(共10小题,每小题3分,共30分)1. B2. C3. D4. A5. D6.B7.B8.A9. C 10. C二、填空题(共6小题,每小题3分,共18分)11. (2,0) 12. 4 13. (-2,1) 14. α+β-γ= 90° 15. 278.5 16. (1,4) 三、解答题(共7小题,共52分)17. (本题8分) ①x 的值为8-8或 ------------- 4′② 解原式=4352+-= ------ 4′ 18(本题6分) 完成下面推理过程:如图,已知DE ∥BC ,DF 、BE 分别平分∠ADE 、∠ABC ,可推得∠FDE=∠DEB 的理由: ∵DE ∥BC (已知)∴∠ADE= ∠ABC ( 两直线平行,同位角相等) ∵DF 、BE 分别平分∠ADE 、∠ABC , ∴∠ADF=12 ∠ADE ,∠ABE=12∠ABC ( 角平分线定义) ∴∠ADF=∠ABE∴DF ∥ BE ( 同位角相等,两直线平行)∴∠FDE=∠DEB .( 两直线平行,内错角相等)-------- 每空1′ 19. (本题6分) 解:∵EF ∥AD ,AD ∥BC ,∴EF ∥BC ,∴∠ACB+∠DAC=180°,∵∠DAC=100°, ∴∠ACB=80°,又∵∠ACF=20°, ∴∠FCB=∠ACB-∠ACF=60°, ∵CE 平分∠BCF ,∴∠BCE=30°, ∵EF ∥BC ,∴∠FEC=∠ECB , ∴∠FEC=30°..20.( 本题6分) (1)画图略-------- 2′ (2) B ′5,3),C ′(8,4) ---------- 4′(3) 8个平方单位------- 6′21. (本题8分)解:(1)猜想:AB ∥CD , 理由:∵AE ∥BC ,∴∠A+∠B=180°,∵∠A=∠C ,∴∠C+∠B=180°, ∴AB ∥CD ;-------------- 4′ (2)∵AE ∥BC ,∴∠2=∠3,∠A+∠ABC=180°, ∵∠1=∠3,∴∠1=∠2=∠3,∠ABC=2∠2, ∵∠AEF=2∠2,∴∠A+∠ABC=∠A+2∠2=∠A+∠AEF=180°, ∵∠AEF+∠AED=180°, ∴∠A=∠AED ,∵∠A=∠C ,∴∠AED=∠C .--------- 8′22. (本题8分)(1)正确画出坐标系--------------- 2′ B(3,3) C(-1,0) D(3,0) E(-2,5) -------------- 6′ (2)∠FOD=∠FAB+∠AFO ------ 8′ 23. (本题10分)(1)B(-8,-4) -------------- 2′(2)设点Q 的运动速度a,运动时间为t,则点P 的运动速度2a.CP=2at ,AQ=4-at ;∵四边形PBQO 的面积=长方形ABCO 的面积-三角形PCO 的面积-三角形AQO 的面积=8×4-12×4×2at-12×8×(4-at)=16-------------- 6′(3)DCNM∠∠的值不会变化,理由如下:延长BC 至点F ,如图2, ∵四边形OABC 为长方形, ∴OA ∥BC .∴∠CBM=∠AMB ,∠AMC=∠MCF , ∵∠CBM=∠CMB , ∴∠MCF=2∠CMB ,过点M 作ME ∥CD 交BC 于点E , ∴∠EMC=∠MCD ,∠D=∠BME , 又∵CD 平分∠MCN , ∴∠NCM=2∠EMC ,∴∠D=∠BME=∠CMB-∠EMC ,∠CNM=∠NCF=∠MCF-∠NCM=2∠BMC-2∠DCM=2∠D , 1=2D CNM ∠∠-------------- 10′。