2015七下 试题研究 7-12 单元考点 跟踪练习

合集下载

2015中考精英英语总复习考点跟踪训练(5)外研版七年级下Modules9~12

2015中考精英英语总复习考点跟踪训练(5)外研版七年级下Modules9~12

考点跟踪突破5七年级下册Modules 9~12一、词汇。

A.用方框中所给单词的适当形式填空。

每词限用一次,每空限填一词。

w rite,fly,safe,cross,shop1.Mo Yan is a famous w riter.2.Shenzhou Ⅹlanded safely.3.The flight will be late because of bad weather.4.His mother often goes shopping on Sundays.5.Don't go across the bridge.It's dangerous.B.根据汉语提示填写单词。

6.—Is Mr. Black still single?(2014,鄂州)—No,he has_been_married(结婚) for two months by now.7.What other language(s)(语言)do you speak except English?8.When do you think the ship will arri v e(到达)?9.Several Germans(德国人) came to the factory and worked there for half an hour.10.The railway station is a noisy(吵闹的) place,many people go in and out every day.二、语法填空。

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空。

Are trees important?Yes,trees are useful to man in three very important __11__.The first and the __12__ (important) way is that they provide man with much food,wood and other products.Trees provide not only man with food,but __13__ many animals with food.__14__ trees,many animals could not live on the earth.It's not easy for people __15__(live) on the earth,too.The second important way is that trees give us shade(阴凉) on a __16__ summer day.People want to have a __17__ under the shade of a tree after they have walked a long way.You canimagine __18__ important the shade of a tree is to man and to animals.The third important way is that trees help to prevent droughts and floods.However,in some __19__ (part) of the world,people have not realized the third important way.People have __20__ (cut) down large numbers of trees.In the end they find that they have lost the best friends they had.11.w ays 12.most_important 13.also 14.Without15.to_li v e 16.hot 17.rest 18.ho w19.parts 20.cut三、完形填空。

人教版中考第一轮教材同步复习七年级下Unit7-Unit12(含答案)

人教版中考第一轮教材同步复习七年级下Unit7-Unit12(含答案)

七年级(下)Units 7~9Ⅰ.单项选择。

1.选出划线部分发音为/eɪ/的单词。

________A.bank B.warm C.behind D.pay2.—You look smart today!—________A.Not good. B.That's OK. C.What a shame! D.Thank you.3.—Do you know the way ________ the post office?—Sorry.You can ask the girl ________ glasses about it.A.to;in B.of;with C.of;in D.to;with4.—What about going to the ________ tonight,Eric?—Why not?I love movies very much. A.cinema B.restaurant C.hospital D.bank5.This is an ________question.So I think you can find its answer ________.A.easily;easily B.easy;easy C.easily;easy D.easy;easily6.Don't ________ too much time on smart phones.It is not good for your health and it's a waste of time.A.save B.take C.spend D.pay7.—May I speak to Mr. Green?—Sorry.He is having a meeting.May I ________?A.make a wish B.take a message C.take a photo D.get a surprise8.Right now Jenny is watching her grandmother ________ with other old people in the square. A.dances B.to dancing C.dancing D.to dance9.—Lisa is not at home.Where is she?—Well,she ________ with some girls in the sports club.A.skates B.skated C.is skating D.has skated10.—Excuse me,where is the nearest bank?—________.You can take the No.3 bus to get there.A.It looks like a mountain B.It's near the Central ParkC.It's a beautiful place D.There are many peopleⅠ.完形填空。

人教版七年级下Unit7-12单元测试卷

人教版七年级下Unit7-12单元测试卷

UNIT7- 12 复习测试卷第Ⅰ卷听力部分(20分)一、听句子,把图片与所听内容进行匹配(每小题1分,共5分)________(1)________(2)________(3)________(4)________(5)二、听句子,选择恰当的应答语(每小题1分,共5分)6.A.Wonderful.B.I visited my aunt. C.I'm sorry. 7.A.On Friday. B.He went to the bookstore.C.I made a cake.8.A.The guitar.B.Yes, I am.C.Susan. 9.A.That sounds great.B.Thanks. C.Yes, I did. 10.A.Yes, I am. B.Good idea.C.Bye.三、听一段长对话,根据对话内容选择正确答案(每小题1分,共5分)11.How was David's last weekend?A.Great.B.OK.C.Not good.12.When did David get up last Sunday?A.At six. B.At seven. C.At eight.13.How long did he do his homework?A.One hour. B.Three hours. C.Two hours.14.What's his favorite subject?A.Science. B.Geography. C.English.15.What did he do after he read the book?A.He watched TV. B.He went to the park to fly kites.C.He played basketball.四、听短文,根据短文内容完成表格(每小题1分,共5)Last weekend (1)Old Smith went for a ________(16) with Wangwang.(2)He sat down and ________(17) Wangwang play with a cat.(3)He looked for his dog,but Wangwang ________(18) there.(4)He is ________(19) now because he has ________(20) dogs and no family.第Ⅱ卷笔试部分(100分)五.单项选择。

中考英语 考点跟踪突破4 七下 Units 7-12(含13年中考试题示例) 人教新目标版

中考英语 考点跟踪突破4 七下 Units 7-12(含13年中考试题示例) 人教新目标版

考点跟踪突破4 七年级下册Units 7-12基础巩固一、单项选择。

1.—Would you like some milk?—________.(2013,安徽)A.Yes,please B.The same to youC.Help yourself D.My pleasure2.________ good care of your pet,or it will get ill easily.(2013,长春) A.Taking B.To take C.Take D.Taken3.—How is everything going in the hospital,dear?—________.A.I'm all right,thanksB.Not too bad,I guessC.Not at allD.That's all right,thank you4.It usually ________ Mum about half an hour to cook supper.(2013,荆门) A.pays B.takes C.spends D.costs5. —I think drinking milk every morning is good ________ our health.—Yes,I agree ________ you.(2012,咸宁)A.to;to B.with;toC.at;with D.for;with6.Danny did all kinds of things to make the baby .(2010,兰州)A.to stop crying B.stop cryingC.to stop to cry D.stop to cry7.—What do you think of the talk shows hosted by Zhou Libo?—________.I watch them every week.(2011,桂林)A.I love them B.I can't stand themC.I don't like them D.They're boring8.I often ________ my homework after supper.But yesterday evening,I ________ TV.A.do;watch B.did;watchedC.did;watch D.do;watched9.Which of the following pictures means“Please don't make any noises”?A B C D10.—Would you like to go surfing with me this afternoon?—________!(2013,西宁)A.Yes,I'd love to B.Yes,pleaseC.No,I won't D.It doesn't matter二、单词拼写。

最新人教版中考第一轮复习考点跟踪突破4七年级下册Units7-12

最新人教版中考第一轮复习考点跟踪突破4七年级下册Units7-12

考点跟踪突破4 七年级下册Units 7-12一、单项选择。

1.Lee Min­ho is __C__ actor from South Korea.He sang ________ Chinese pop song on the 2018 CCTV New Year's Gala.(2018,连云港)A.the;an B./;the C.an;a D.a;/2.—What __C__ bowl of noodles would you like,small,medium or large?—A large bowl of beef noodles,please.(2018,黄冈)A.color B.price C.size D.kind3.Cambridge is a small city __C__ the east of England.(2018,天津)A.between B.with C.in D.under4.I __D__ $300 for the bike.(2018,黔西南)A.took B.spent C.cost D.paid5.My old neighbor Charles enjoys __C__ photos.He always goes out with his camera.(2018,孝感)A.take B.to take C.taking D.took6.There __B__ a dictionary and two pens on the desk.(2018,齐齐哈尔)A.am B.is C.are7.The Xiamen­Shenzhen high speed railroad ran __B__ eight cities.(2018,佛山)A.across B.through C.over8.__C__ a teacher,Mr.Wang thinks it's very important to teach the students how to learn.(2018,淄博)A.From B.With C.As D.Of9.I was looking for a birthday gift for my mother,but I couldn't find __B__ suitable.(2018,南京)A.something B.anythingC.nothing D.everything10.—What's the weather like in your hometown?—__B__(2018,黔西南)A.Yes,I like it. B.It's warm in winter.C.Why not? D.Yes,very much.11.The man has __B__ friends in this city,so he often stays at home.(2018,安顺) A.a few B.few C.little D.a little12.—Did you use to have long hair or short hair,Sally?—__C__.(2018,兰州)A.Yes,I did B.No,I didn'tC.Long hair D.Curly hair13.—Would you like some milk?—__A__.(2018,安徽)A.Yes,please B.The same to youC.Help yourself D.My pleasure14.How __C__ Cindy grows!She's almost as tall as her mother now.(2018,河北)A.cute B.strong C.fast D.straight15.As we all know,the Silk Road __B__ China to the west in ancient times.(2018,安徽) A.connects B.connectedC.will connect D.is connecting二、词汇运用:根据句意及首字母或汉语提示完成单词。

考点跟踪训练7 七年级下册 Units 10-12

考点跟踪训练7 七年级下册 Units 10-12

考点跟踪训练7七年级下册Units 10—12基础巩固Ⅰ.单项选择( )1. —Do you know ________ man in blue?—Yes, he’s a professor of________ university.(2011烟台)A. the; aB. a; anC. the; an D./; the答案:A解析:考查冠词的用法。

定冠词the表示特指,此处特指穿蓝衣服的那个人;第一次提到某物要用a/an, university是辅音音素开头的,故“一个大学”要说a university,an要放在以元音音素开头的单词前。

( )2. My mother ________ dumplings for us ________ last Sunday.A. makes; onB. made; /C. is making; onD. making; /答案:B解析:考查动词时态和介词的用法。

last Sunday上个周日,故时态为一般过去时,且last Sunday前不加任何介词。

故选B。

( )3. —Why didn’t you buy the car?—It was too ________. I want a cheaper one.A. cheapB. highC. expensiveD. low答案:C解析:考查形容词。

下文:我想要一个便宜一点儿的。

说明它太贵了。

expensive指物品“贵”;high指价格“高”。

故选C。

( )4. Sorry, I ________ you but I didn’t ________ what you said.A. listened; hearB. listened to; hearC. heard; listenedD. heard; heard答案:B解析:考查动词辨析。

listen to 强调听的动作,hear强调听的结果。

句意:对不起,我听了,但我没听见你说什么。

【精品】人教版最全七年级下册全册同步练习及单元测验卷及答案

【精品】人教版最全七年级下册全册同步练习及单元测验卷及答案

第五章 相交线与平行线5.1.1 相交线复习检测(5分钟):1、如图所示,∠1和∠2是对顶角的图形有( )A.1个B.2个C.3个D.4个2、如图,若∠1=60°,那么∠2=_______、∠3=_______、∠4=_______ .3、如图是一把剪刀,其中︒=∠401,则=∠2 ,其理由是 。

图(3)214、如图三条直线AB,CD,EF 相交于一点O, ∠AOD 的对顶角是_____,∠AOC 的邻补角是_______,若∠AOC=50°,则∠BOD=______,∠COB=_______,∠AOE+∠DOB+∠COF=_____.OF E D CBA5、如图,直线AB,CD 相交于O,OE 平分∠AOC,若∠AOD-∠DOB=50°,•求∠EOB 的度数.OE D CBA6、如图,直线a,b,c 两两相交,∠1=2∠3,∠2=68°,求∠4的度数cba34125.1.2 垂线复习检测(5分钟):1、两条直线互相垂直,则所有的邻补角都相等.( )2、一条直线不可能与两条相交直线都垂直.( )12121221E(3)O D CBA (2)O D CBA (1)ODC BA 3、两条直线相交所成的四个角中,如果有三个角相等,那么这两条直线互相垂直.( ) 4、两条直线相交有一组对顶角互补,那么这两条直线互相垂直.( ). 5、如图1,OA ⊥OB,OD ⊥OC,O 为垂足,若∠AOC=35°,则∠BOD=________.6、如图2,AO ⊥BO,O 为垂足,直线CD 过点O,且∠BOD=2∠AOC,则∠BOD=________.7、如图3,直线AB 、CD 相交于点O,若∠EOD=40°,∠BOC=130°,那么射线OE 与直线AB 的位置关系是_________. 8、已知:如图,直线AB,射线OC 交于点O,OD 平分∠BOC,OE 平分∠AOC.试判断OD 与OE 的位置关系.9、如图,AC ⊥BC,C 为垂足,CD ⊥AB,D 为垂足,BC=8,CD=4.8,BD=6.4,AD=3.6,AC= 6,那么点C 到AB 的距离是_______,点A 到BC 的距离是________,点B 到CD 的距离是_____,A 、B 两点间的距离是_________.10、如图,在线段AB 、AC 、AD 、AE 、AF 中AD 最短.小明说垂线段最短, 因此线段AD 的长是点A 到BF 的距离,对小明的说法,你认为对吗?11、用三角尺画一个是30°的∠AOB,在边OA 上任取一点P,过P 作PQ ⊥OB, 垂足为Q,量一量OP 的长,你发现点P 到OB 的距离与OP 长的关系吗?5.1.3同位角、内错角、同旁内角复习检测(5分钟): 1、如图(4),下列说法不正确的是( )A.∠1与∠2是同位角B.∠2与∠3是同位角C.∠1与∠3是同位角D.∠1与∠4不是同位角E ODC B AFE D C B ADCB A2、如图(5),直线AB、CD被直线EF所截,∠A和是同位角,∠A和是内错角,∠A和是同旁内角.3、如图(6), 直线DE截AB, AC, 构成八个角:①、指出图中所有的同位角、内错角、同旁内角.②、∠A与∠5, ∠A与∠6, ∠A与∠8, 分别是哪一条直线截哪两条直线而成的什么角?4、如图(7),在直角 ABC中,∠C=90°,DE⊥AC于E,交AB于D .①、指出当BC、DE被AB所截时,∠3的同位角、内错角和同旁内角.②、若∠3+∠4=180°试说明∠1=∠2=∠3的理由.5.2.1平行线复习检测(5分钟):1、在同一平面内,两条直线的位置关系有_________2、两条直线L1与L2相交点A,如果L1//L,那么L2与L()3、在同一平面内,一条直线和两条平行线中一条直线相交,那么这条直线与平行线中的另一边必__________.4、两条直线相交,交点的个数是________,两条直线平行,交点的个数是_____个.判断题5、6、7、85、不相交的两条直线叫做平行线.( )6、如果一条直线与两条平行线中的一条直线平行, 那么它与另一条直线也互相平行.( )7、过一点有且只有一条直线平行于已知直线.( )8765c b a 34128、读下列语句,并画出图形后判断.(1)直线a 、b 互相垂直,点P 是直线a 、b 外一点,过P 点的直线c 垂直于直线b. (2)判断直线a 、c 的位置关系,并借助于三角尺、直尺验证.9、试说明三条直线的交点情况,进而判定在同一平面内三条直线的位置情况.5.2.2平行线的判定复习检测(10分钟): 1、如图1所示,下列条件中,能判断AB ∥CD 的是( )A.∠BAD=∠BCDB.∠1=∠2;C.∠3=∠4D.∠BAC=∠ACD(1) (2) (3) (4)2、如图2所示,如果∠D=∠EFC,那么( )A.AD ∥BCB.EF ∥BCC.AB ∥DCD.AD ∥EF3、下列说法错误的是( ) A.同位角不一定相等 B.内错角都相等C.同旁内角可能相等D.同旁内角互补,两直线平行 4、如图5,直线a,b 被直线c 所截,现给出下列四个条件: •①∠1=∠5;②∠1=∠7;③∠2+∠3=180°;④∠4=∠7.其中能说明a ∥b 的条件序号为( ) (5) A.①② B.①③ C.①④ D.③④5、如图5,如果∠3=∠7,那么______ ,理由是 ;如果∠5=∠3,那么________, 理由是______________; 如果∠2+ ∠5= ______ 那么a ∥b,理由是________ .6、如图4,若∠2=∠6,则______∥______,如果∠3+∠4+∠5+∠6=180°, 那么____∥_______,如果∠9=_____,那么AD ∥BC;如果∠9=_____,那么AB ∥CD.7、在同一平面内,若直线a,b,c 满足a ⊥b,a ⊥c,则b 与c 的位置关系是______.8、如图所示,BE 是AB 的延长线,量得∠CBE=∠A=∠C.(1)由∠CBE=∠A 可以判断______∥______,根据是_________.(2)由∠CBE=∠C 可以判断______∥______,根据是_________.9、已知直线a 、b 被直线c 所截,且∠1+∠2=180°,试判断直线a 、b 的位置关系,并说明理由.34D C BA 21F E D C B A 876543219654321D C B A E DC B A c ba321D CBA2110、如图,已知DG AEM ∠=∠,21∠=∠,试问EF 是否平行GH ,并说明理由.11、如图所示,已知∠1=∠2,AC 平分∠DAB,试说明DC ∥AB.12、如图所示,已知直线EF 和AB,CD 分别相交于K,H,且EG ⊥AB,∠CHF=600,∠E=30°,试说明AB ∥CD.GHKF EDC B A13、提高训练:如图所示,已知直线a,b,c,d,e,且∠1=∠2,∠3+∠4=180°,则a 与c 平行吗?•为什么?d ecb a 34125.3.1平行线的性质D C B A OF E DC B AD C B A 187654321DC B A 56 北乙甲北G F E D CB A 12E 21D CB复习检测(10分钟):1、如图1所示,AB ∥CD,则与∠1相等的角(∠1除外)共有( )A.5个B.4个C.3个D.2个(1) (2) (3)2、如图2所示,CD ∥AB,OE 平分∠AOD,OF ⊥OE,∠D=50°,则∠BOF 为( ) A.35° B.30° C.25° D.20°3、如图3所示,AB ∥CD,∠D=80°,∠CAD:∠BAC=3:2,则∠CAD=_______, ∠ACD=•_______.4、如图4,若AD ∥BC,则∠______=∠_______,∠_______=∠_______,∠ABC+∠_______=180°; 若DC ∥AB,则∠______=∠_______, ∠________=∠__________,∠ABC+∠_________=180°.(4) (5) (6)5、如图5,在甲、乙两地之间要修一条笔直的公路, 从甲地测得公路的走向是南偏西56°,甲、乙两地同时开工,若干天后公路准确接通, 则乙地所修公路的走向是_________,因为____________.6、河南)如图6所示,已知AB ∥CD,直线EF 分别交AB,CD 于E,F,EG •平分∠B-EF,若∠1=72°,则∠2=_______.7、如图,AB ∥CD ,∠1=102°,求∠2、∠3、∠4、∠5的度数,并说明根据?8、如图,EF 过△ABC 的一个顶点A ,且EF ∥BC ,如果∠B =40°,∠2=75°,那么∠1、∠3、∠C 、∠BAC +∠B +∠C 各是多少度,并说明依据?9、如图,已知:DE ∥CB,∠1=∠2,求证:CD 平分∠ECB.NM GF E D C B A10、如图所示,把一张长方形纸片ABCD 沿EF 折叠,若∠EFG=50°,求∠DEG 的度数.11、如图所示,已知:AE 平分∠BAC ,CE 平分∠ACD ,且AB ∥CD .求证:∠1+∠2=90°. 证明:∵ AB ∥CD ,(已知)∴∠BAC +∠ACD =180°,( ) 又∵ AE 平分∠BAC ,CE 平分∠ACD ,( )∴112B AC ∠=∠,122A C D ∠=∠,( )∴001112()1809022B AC A CD ∠+∠=∠+∠=⨯=. 即 ∠1+∠2=90°.结论:若两条平行线被第三条直线所截,则一组同旁内角的平分线互相 . 推广:若两条平行线被第三条直线所截,则一组同位角的平分线互相 .5.3.2命题、定理、证明复习检测(5分钟):1、判断下列语句是不是命题(1)延长线段AB ( ) (2)两条直线相交,只有一交点( ) (3)画线段AB 的中点( ) (4)若|x|=2,则x=2( ) (5)角平分线是一条射线( ) 2、下列语句不是命题的是( )A.两点之间,线段最短B.不平行的两条直线有一个交点C.x 与y 的和等于0吗?D.对顶角不相等. 3、下列命题中真命题是( )A.两个锐角之和为钝角B.两个锐角之和为锐角C.钝角大于它的补角D.锐角小于它的余角4、命题:①对顶角相等;②垂直于同一条直线的两直线平行;③相等的角是对顶角;④同位角相等.其中假命题有( )A.1个B.2个C.3个D.4个 5、分别指出下列各命题的题设和结论(1)如果a ∥b ,b ∥c ,那么a ∥c (2)同旁内角互补,两直线平行 6、分别把下列命题写成“如果……,那么……”的形式(1)两点确定一条直线; (2)等角的补角相等; (3)内错角相等.7、如图,已知直线a 、b 被直线c 所截,在括号内为下面各小题的推理填上适当的根据:(1)∵a ∥b,∴∠1=∠3( ); (2)∵∠1=∠3,∴a ∥b( ); (3)∵a ∥b,∴∠1=∠2( ); (4) ∵a ∥b,∴∠1+∠4=180º ( ) (5)∵∠1=∠2,∴a ∥b( ); (6)∵∠1+∠4=180º,∴a ∥b( ). 8、已知:如图AB ⊥BC ,BC ⊥CD 且∠1=∠2,求证:BE ∥CF证明:∵AB ⊥BC ,BC ⊥CD (已知)∴ = =90°( ) ∵∠1=∠2(已知)∴ = (等式性质)∴BE ∥CF ( )9、已知:如图,AC ⊥BC ,垂足为C ,∠BCD 是∠B 的余角.求证:∠ACD=∠B证明:∵AC ⊥BC (已知)∴∠ACB=90°( ) ∴∠BCD 是∠ACD 的余角∵∠BCD 是∠B 的余角(已知)∴∠ACD=∠B ( )5.4 平移复习检测(5分钟):1、下列哪个图形是由左图平移得到的( )A BCD2、如图所示,△FDE 经过怎样的平移可得到△ABC.( ) A.沿射线EC 的方向移动DB 长; B.沿射线EC 的方向移动CD 长C.沿射线BD 的方向移动BD 长;D.沿射线BD 的方向移动DC 长3、下列四组图形中,•有一组中的两个图形经过平移其中一个能得到-另一个,这组图形是( )4、如图所示,△DEF 经过平移可以得到△ABC,那么∠C 的对应角和ED 的对应边分-别是( ) ab 1 23c4C A BDEF1 2 BD ACFE D C BA O E C BA DA B C DA.∠F,ACB.∠BOD,BA;C.∠F,BAD.∠BOD,AC 5、在平移过程中,对应线段( )A.互相平行且相等;B.互相垂直且相等C.互相平行(或在同一条直线上)且相等6、在平移过程中,平移后的图形与原来的图形________和_________都相同,•因-此对应线段和对应角都________.7、如图所示,平移△ABC 可得到△DEF,如果∠A=50°,∠C=60°,那么∠E=•____-度,∠EDF=_______度,∠F=______度,∠DOB=_______度.8、将正方形ABCD 沿对角线AC 方向平移,且平移后的图形的一个顶点恰好在AC 的中点O 处,则移动前后两个图形的重叠部分的面积是原正方形面积的_______9、直角△ABC 中,AC =3cm ,BC =4cm ,AB =5cm ,将△ABC 沿CB 方向平移3cm ,则边AB 所经过的平面面积为____cm 2。

2015年中考英语(人教版)总复习:第一篇 教材梳理&跟踪训练 七年级(下) Units 7~12

2015年中考英语(人教版)总复习:第一篇 教材梳理&跟踪训练 七年级(下) Units 7~12

宇轩图书
浙江三年中考
基础知识梳理
要点各个击破
能力跟踪训练
3 . (2013· 湖 州 )—Haven't seen you for ages, Mike.? — Pretty good! Everything goes well. A. What are you doing C. How's it going B . How are you D. What's wrong
宇轩图书
浙江三年中考
基础知识梳理
要点各个击破
能力跟踪训练
☞重点短语 1. take a message 捎个口信;传话 2. on a vacation 度假 3. across from 在„„的对面 4. in front of 在„„前面 5. turn left 向左转 6. look like 看起来像
宇轩图书
浙江三年中考
基础知识梳理
要点各个击破
能力跟踪训练
解析: 考查动词的时态。 由上文“ After Steven sent some emails”中的时态可知, 主句也应该用一般过去 时,故选 D。 答案: D
宇轩图书
浙江三年中考
基础知识梳理
要点各个击破
能力跟踪训练
2 . (2014· 温 州 )—Don't ______late , Mary.You have a singing competition tomorrow morning. — OK, Dad. I'll go to bed right now. A. dress up C. stay up B. grow up D. mix up
宇轩图书
浙江三年中考

人教版七年级数学下册 第七章 平面直角坐标系 7.1.2 平面直角坐标系 同步训练含答案

 人教版七年级数学下册 第七章 平面直角坐标系 7.1.2 平面直角坐标系 同步训练含答案

人教版七年级数学下册第七章平面直角坐标系7.1.2 平面直角坐标系同步训练含答案一选择题1.如图,下列各点在阴影区域的是( )A.(3,2)B.(-3,2)C.(3,-2)D.(-3,-2)答案 A2.在平面直角坐标系中,点(1,5)所在的象限是( )A.第一象限B.第二象限C.第三象限D.第四象限答案 A 点(1,5)的横、纵坐标都为正数,∴点(1,5)所在的象限是第一象限.故选A.3.如图,点A(-2,1)到y轴的距离为( )A.-2B.1C.2D.√5答案 C 点A的坐标为(-2,1),则点A到y轴的距离为2.故选C.4.若点A(a+1,b-2)在第二象限,则点B(-a,b+1)在( )A.第一象限B.第二象限C.第三象限D.第四象限答案 A ∵点A(a+1,b-2)在第二象限,∴a+1<0,b-2>0,解得a<-1,b>2,∴-a>0,b+1>0,故点B(-a,b+1)在第一象限.故选A.5 .在平面直角坐标系中,点A(0,-2)在( )A.x轴的负半轴上B.y轴的负半轴上C.x轴的正半轴上D.y轴的正半轴上答案 B 点A的横坐标为0,则该点在y轴上,又纵坐标为-2,说明在负半轴上.即(0,-2)在y 轴的负半轴上.6 .点P(-1,-√a-2)在( )A.第一象限B.第二象限C.第三象限D.第四象限答案 C ∵-√a≤0,∴-√a-2<0.又∵-1<0,∴点P(-1,-√a-2)在第三象限.7 .点E(a,b)到x轴的距离是4,到y轴的距离是3,则有( )A.a=3,b=4B.a=±3,b=±4C.a=4,b=3D.a=±4,b=±3答案 B 由题意得|b|=4,|a|=3,∴a=±3,b=±4,故选B.8 .已知点A(-3,2),B(3,2),则A,B两点相距( )A.3个单位长度B.4个单位长度C.5个单位长度D.6个单位长度答案 D 因为A、B两点的纵坐标相等且不为零,所以AB∥x轴,所以AB的长度等于3-(-3)=6(个单位长度).故选D.9 .如图所示,横坐标和纵坐标都是负数的点是( )A.A点B.B点C.C点D.D点答案 C 观察题图可知,点C的横、纵坐标都为负数.10 .若点A(-2,n)在x轴上,则点B(n-2,n+1)在( )A.第一象限B.第二象限C.第三象限D.第四象限答案 B 因为点A在x轴上,所以有n=0,则点B的坐标为(-2,1),根据各象限内点的坐标特征可知点B在第二象限.11 .已知点P(x,y)在第二象限,且|x+1|=2,|y-2|=3,则点P的坐标为( )A.(-3,5)B.(1,-1)C.(-3,-1)D.(1,5)答案 A 因为点P(x,y)在第二象限,所以x<0,y>0,根据|x+1|=2,|y-2|=3,可求得x=-3,y=5.所以A正确.二填空题12 .如图,平面直角坐标系内,A(1,3),B(5,2),若P为平面内一点,且PA的中点在x轴上,PB 的中点在y轴上,则点P的坐标为.答案(-5,-3)解析因为PA的中点在x轴上,所以P点的纵坐标为-3,因为PB的中点在y轴上,所以P点的横坐标为-5,所以点P的坐标为(-5,-3).13 .已知在平面直角坐标系中,点P在第二象限,且到x轴的距离为3,到y轴的距离为4,则点P的坐标为.答案(-4,3)解析∵到x轴的距离为3,∴纵坐标为3或-3,∵到y轴的距离为4,∴横坐标为4或-4,又∵P在第二象限,∴横坐标为负,纵坐标为正,∴P(-4,3).14.如图,在平面直角坐标系中,已知点A(1,1)、B(-1,1)、C(-1,-2)、D(1,-2),把一根长为2 014个单位长度且没有弹性的细线(线的粗细忽略不计)的一端固定在A处,并按A→B→C→D→A……的规律紧绕在四边形ABCD的边上,则细线的另一端所在位置的坐标是.答案(-1,-1).解析易知四边形ABCD是长方形,其周长为10,2014÷10=201……4,由此结合题图可知细线另一端所在位置的坐标为(-1,-1).15 .若点P(a,b)在第四象限,且|a|=2,|b|=√3,则点P的坐标为.答案(2,-√3)解析因为点P(a,b)在第四象限,所以a>0,b<0.又因为|a|=2,|b|=√3,所以a=2,b=-√3,所以点P的坐标为(2,-√3).16 .在平面直角坐标系中,若点M(-1,3)与点N(x,3)之间的距离是5,则x的值是. 答案4或-6解析点M与点N的纵坐标相同,因为它们之间的距离是5,所以x=-1-5=-6或者x=-1+5=4.所以x的值为4或-6.17 .在平面直角坐标系中,一蚂蚁从原点O出发,按向上、向右、向下、向右的方向依次不断移动,每次移动1个单位.其行走路线如下图所示.(1)填写下列各点的坐标:A1( , ),A3( , ),A12( , );(2)写出点A4n的坐标(n是正整数);(3)指出蚂蚁从点A100到点A101的移动方向.解析(1)A1(0,1),A3(1,0),A12(6,0).(2)在直角坐标系中,A4(2,0),A8(4,0),A12(6,0),…,故A4n的坐标为(2n,0).(3)∵100正好是4的倍数,∴蚂蚁从点A100到点A101的移动方向与从点A4到点A5的移动方向相同,即为向上.三解答题18 .已知:点P(2m+4,m-1).试分别根据下列条件,求出P点的坐标.(1)点P在y轴上;(2)点P在x轴上;(3)点P在过A(2,-3)点,且与x轴平行的直线上.解析(1)令2m+4=0,解得m=-2,所以P点的坐标为(0,-3).(2)令m-1=0,解得m=1,所以P点的坐标为(6,0).(3)令m-1=-3,解得m=-2.所以P点的坐标为(0,-3).19 .如图,已知正方形ABCD的边长为6.(1)求正方形ABCD的四个顶点A,B,C,D的坐标;(2)求正方形ABCD的各边中点E,F,G,H的坐标.解析(1)A(0,0),B(-6,0),C(-6,6),D(0,6).(2)E(-3,0),F(-6,3),G(-3,6),H(0,3).20 .已知点A(-2,3)、B(4,3)、C(-1,-3).(1)求A、B两点之间的距离.(2)求点C到x轴的距离.(3)求∥ABC的面积.(4)观察线段AB与x轴的关系,若点D是线段AB上一点,则点D的纵坐标有什么特点?解析如图,(1)A、B两点间的距离为4-(-2)=6.(2)点C到x轴的距离为3.(3)∥ABC的面积为1×6×6=18.2(4)AB∥x轴.点D是线段AB上一点,则点D的纵坐标等于3,与点A、B的纵坐标相同.21 .写出如图所示的六边形ABCDEF各个顶点的坐标,并回答下列问题:(10分)(1)点B与点C的纵坐标相同,线段BC的位置有什么特点?(2)线段CE的位置有什么特点?(3)坐标轴上的点的坐标有什么特点?解析A(-2,0),B(0,-3),C(3,-3),D(5,0),E(3,3),F(0,3).(3分)(1)线段BC平行于x轴(纵坐标相同的点的连线平行(或重合)于x轴).(5分)(2)线段CE平行于y轴(横坐标相同的点的连线平行(或重合)于y轴).(7分)(3)x轴上的点的纵坐标为0,y轴上的点的横坐标为0.(10分)。

中考第一轮复习——人教新目标版七年级下册Units 7-12

中考第一轮复习——人教新目标版七年级下册Units 7-12

年级初三学科英语版本人教版(新目标)内容标题一轮复习七年级下Units 7-12编稿老师康文岗【本讲教育信息】一. 教学内容:一轮复习七年级下Units 7-12二. 教学过程:[考点聚焦]I. 词组归纳1. 看起来像……___________________2. 卷/直/长/短发___________________3. 中等高度/身材___________________4 . 一点儿……___________________5. 呈现新面貌___________________6. 去购物___________________7. 篮球队队长___________________8. 停下来去做某事___________________9. 停止正在做的事情___________________10. 讲笑话/讲故事___________________11. 想要做某事___________________12. 什么种类的面条___________________13. 什么(大小)碗型的面条___________________14. 大/中/小碗的面条___________________15. 呆在家里___________________16. 练习说英语___________________17. 为考试而学习___________________18. 举行晚会___________________19. 访谈节目____________________20. 是该做……的时候了___________________21. 寻找___________________22. 拜访朋友____________________23. 参加夏令营___________________24. 整天___________________25. 某事做得很开心___________________26. 决定做某事___________________27. 一个十三岁的男孩___________________28. 实际上___________________29. 想起,考虑到___________________30. 在课堂上___________________31. 在上学期间的晚上___________________32. 校规___________________33. 禁止交谈___________________34. 听音乐___________________35. 不得不___________________36. 上学迟到___________________37. 十点之前___________________38. 帮某人做某事___________________II. 句型归纳1.—_______ do you _______ _______?—I’m short and thin.2. —_______ _______ she _______ like?—She’s tall with curly hair.3.—_______ _______ your weekend?—It was great.4. —_______ _______ you ______ over the weekend?—We went to the movies.5. —_______ _______ she ______ over the weekend?—She played the piano.6. —_______ _______ he _______ on vacation?—He stayed at home.7. —_______ _______ they _______ on vacation?—They went to the mountains.8. —_______ she _______ to Central Park?—No, she didn’t.9. —_______ do you _______ _______ soap operas?—I don’t mind them.10. —_______ does he _______ sports shows?—He loves them!11. —_______ we eat in class?—No, we can’t.12. —_______ are the _______ at your school?—Don’t arrive late for class and don’t eat in class. 13. —_______ you _______ to wear a uniform at school?—No, we don’t.14. —_______ else _______ he _______ to do?—He has to do his homework.答案:I. 词组归纳1. look like2. curly /straight/long/short hair3. medium height/build4. a little bit5. have a new look6. go shopping7. the captain of the basketball team8. stop to do sth.9. stop doing sth.10. tell jokes / stories11. want to do sth.12. what kind of noodles13. what size bowl of noodles14. a large/medium/small bowl of noodles15. stay at home16. practice English17. study for the test18. have a party19. talk show20. It’s time to do sth.21. look for22. visit a friend23. go to summer camp24. all day25. have fun doing sth.26. decide to do sth.27. a 13-year-old boy28. in fact29. think of30. in class31. on school nights32. school rules33. No talking.34. listen to music35. have to36. be late for school37. by 10 o’clock38. help sb with sth./ help sb (to) do sth.II. 句型归纳1. What, look like2. What does, look3. How was4. What did, do5. What did, do6. What did, do7. What did, do8. Did, go9. What, think of10. How, like11. Can12. What, rules13. Do, have14. What, does, haveIII. 考点归纳1. What does he look like? 他长什么样?=What is he like?look like = be like 像使用时注意动词的变化,例如:She looks like her mother.= She is like her mother.She doesn’t look like her mother.= She isn’t like her mother.Does she look like her mother?= Is she like her mother?高分突破:like 和be like 的区别:Tom is like his father. Tom长得像他的爸爸。

一轮复习:七下7-12单元

一轮复习:七下7-12单元

七年级下册Unit7 - Unit12 · 复习巩固· 基础题一、用所给动词的适当形式填空。

(一)grow,run away,fly,put up,worry1. How wonderful it is______________________________like a bird in the sky!2.They______________________________new street signs to avoid more traffic accidents at the moment.3.Lettuce______________________________by the Ancient Romans at first.4. Her son is still in the early days of his recovery(恢复)and that______________________________her.5. The boy______________________________from home when he was sixteen.(二)forget,cut down,sit,get lost,visit1. He set the cases against a wall and______________________________on them.2. If you don't follow the guide,you______________________________easily in the jungle.3. She often______________________________where she leaves the car and it takes her a long time to find it.4. I wish______________________________a more fascinating place next summer vacation.5. The environment is becoming worse and worse because many trees______________________________.二、根据句意和所给中文完成句子。

考点跟踪突破4 七年级下册 Units 7-12

考点跟踪突破4 七年级下册 Units 7-12

考点跟踪突破4七年级下册Units 7-12一、单项选择。

1.—How is Helen in the new school?—She is doing very well.There is __C__ to worry about.A.something B.anythingC.nothing D.everything2.—Could we see each other at 9 o'clock tomorrow morning?—Sorry,let's make it __B__ time.A.others B.anotherC.other D.the other3.Now,people have more free time.Square Dancing is becoming more and more __D__.(2015,安徽)A.comfortable B.difficultC.different D.popular4.—Jason,would you please __C__ this notice?—With pleasure.(2015,武汉)A.put on B.put off C.put up D.put out5.On Fridays,I often __C__ with my sister and watch Running Man at home.(2015,龙东) A.show up B.come upC.stay up6.—Jim,please help me __B__ the cooked meat.I want to make fried rice.—OK,Mom.(2015,莆田)A.cut down B.cut upC.cut off7.—__D__ is the weather like today?—It's cloudy.A.When B.How C.Where D.What8.I often __C__ some time reading on Sunday evening.How about you?A.pay B.take C.spend D.cost9.—__A__ you ________ a good time last weekend?—No.It was a terrible experience.A.Did;have B.Are;havingC.Will;have D.Do;have10.—__B__?—He has a round face and a big nose.A.What does he likeB.What does he look likeC.What's he likeD.Why does he like it二、词汇运用。

中考英语 第一篇 教材梳理 跟踪训练 七下 Units 712课

中考英语 第一篇 教材梳理 跟踪训练 七下 Units 712课

☞重点短语 1.take a message 捎个口信;传话 2.on (a) vacation 度假 3.across from 在……对面 4.in front of 在……前面 5.turn left 向左转 6.enjoy reading 喜欢阅读 7.go shopping 购物 8.(be) of medium build 中等身材
7.expensive (adj.)→dear(同义词 adj.)贵的→cheap(反 义词 adj.)廉价的;便宜的
8.interested (adj.)→interest (n.&v.)使感兴趣 9.sheep (n.)→sheep (pl.)羊;绵羊 10.nature (n.)→natural (adj.)自然的 11.visit (v.)→visitor (n.)游客;访问者
(完成句子) —How's it going?情况如何? —Great.很好。
3.—Is there a hospital near here? 附近有医院吗? —Yes, there is. It's on Bridge Street. 有,在大桥路
上。 (Unit 8) 【考点透析】 (1)there be 句型的用法 ①there be 句型表示“某地有某物”,强调客观存在。 ②there be 句型遵循“就近原则”:后接多个名词或代
Excuse me.
Is there... (near here/in the neighborhood)? Where's the nearest...? How can I get to...?
Could you tell me the way to...? Can you tell me how to get to...?

七年级下跟踪测试题

七年级下跟踪测试题

七年级下跟踪测试题(第五章相交线与平行线)5.1相交线课堂练习:1.如图所示,∠1的邻补角是________.C D1A O B2.若∠α与∠β互为邻补角,则∠α+∠β=____度.3.下列各图中,∠1与∠2是互为邻补角的是()1 1 12 12 22A B C D4.一个角的邻补角是()A.锐角B.直角C.钝角D.以上都有可能5.如图所示,已知直线a,b相交于点O,则图中邻补角有()A.2对B.3对C.4对D.6对aOb6.已知∠1与∠2是对顶角,且∠1=27º,则∠2=____7.如图,∠α的对顶角是()A∠1 . B.∠2 C. ∠3 D.∠4α41 328.如图,直线AB,CD相交于点O,写出表示下列各对角的关系名称:∠BOD和∠AOC是________;∠BOD和∠BOC是_________.EDA BOC9.结合图形回答下列问题:(1)∠1和∠2的位置关系是________,数量关系是_____;(2)∠2的邻补角是_____;(3)已知∠1+∠2+∠3=120º,试求∠2的度数.21 O 310.已知:∠A、∠B互为邻补角,且∠A:∠B=3:2,试求∠A的度数.课后练习:1.如图所示,直线EF与AB相交于G,与CD相交于H,则∠AGH的对顶角是______;∠AGF与_______是对顶角;∠GHD的邻补角是_______.FA G BCHE D2.已知:∠1=45º,则,∠1的邻补角的度数是_____.3.如图,三条直线a,b,c两两相交,则图中共有_____对对顶角.abc4.如图,∠1,,∠2,,∠3从小到大的顺序为_________.60º 1 50º2 35.若∠1与∠2是对顶角,,3与∠2互为邻补角,且∠3=60º,则,∠1=____.。

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

10.I watched a letter____on the floor when I came into A the classroom. A.lying y C.lie D.lies 11.--Would you like some rice? ---_____. D I'd rather have a piece of bread. A. Yes, please. B.No problem C.That's OK D.No, thanks 12.This book is_____ A interesting that I have read it three times. A. so B.such C./ D.very 13.---Could you give me something to eat?. ---sorry. There's ____bread in the fridge. C A. few B. a few C.little D.a little
第三讲 七下units (1-6)考点跟踪
1、How much did you _____ D for the belt? A.cost B.spend C.cost D.pay 2、If it _____ D heavily tomorrow, we will have to _____ the sports meeting till next week. A.will rain; put off B.will rain; put out C.rains; stop holding D.rains; put off 3、The man with his dog _____ B the park when the accident happened. A.was walking across B.was walking through C.were walking through D.were walking past 4、—When shall we meet, Saturday or Sunday? --_____. B I am busy these two days. Let make it another day. A.Both B.Neither C.Either D.None
D 14._____good advice! It's so helpful to us. A.How B.How a C.What a D.What 15.---Have you had your breakfast yet? ---Yes. Mom ___it D for me. A. was cooking B.is cooking C.will cook D.cbeen in America _____. B A.sometimes B.for some time C.for some times D.some time 6._____ A important message it is! A.What an B.What a C.How D.How an 7.Though the test is very easy, I don’t think _____ will D be able to pass it. A.somebody B.anybody C.nobody D.everybody 8.Cross the road carefully, _____ D you’ll keep yourself safe. A.so B.or C.but D.and C 9.Drivers ___wear seat belts while their cars are running on the road. A. need B. can C. must D. may
相关文档
最新文档