冀教版七年级上册第一二单元测试题及答案
冀教版七年级上册第一二单元测试题班级＿＿姓名＿＿＿时间：90分钟总分:100分Ⅰ.单项选择（选出可以填入空白处的最佳选项共20 Array小题，每小题1分，计20分）( )1、Kate______ from Canada.A、areB、isC、amD、come ( )2、——What class are you in? ——I’m in ____________.A、grade seven ,class twoB、class two,grade sevenC、Grade Seven,Class TwoD、Class two,Grade seven( )3、______name is Lin Fang.A、SheB、HerC、HersD、He( )4、——__________________? ——It’s a car.A、What’s thatB、Is it a carC、They’re carsD、What this ( )5、This is Mr. Liu. He is_________English teacher.A、aB、anC、theD、/( )6、——Is it an eraser? ——________________.A、Yes,it’sB、Yes,it isC、No,it’sD、No,it is( )7、What about_________shorts?A、wearB、wearingC、to wearD、wears( )8、——Can I borrow your pen? ——Certainly. Here_____________.A、you areB、are youC、they areD、are they( )9、May I _______ a book,Tom?A、to haveB、borrowC、to borrowD、has( )10、Danny has_______this year.A、new some friendB、new some friendsC、some new friendD、some new friends( )11、——Do you like English? ——_______________.A、Yes,I amB、No, I am notC、Yes,I doD、Yes,I don’t ( )12、——______apples do you have? ——Four.A、HowB、How muchC、How manyD、What( )13、It’s dangerous______him to drive____fast.A、to,tooB、for,tooC、for,muchD、of, too( )14、They are (getting) ready______the game.A、toB、withC、forD、at( )15、I have three___.A、bookB、a markerC、teacherD、friends( )16、——_______________? ——It’s green.A、What’s thisB、What time is itC、What’s the dateD、What colour is it( )17、Both of my parents were born______1970.A、atB、inC、onD、to( )18、What’s ＿＿name?A、heB、hisC、himD、he’s( )19、Joe and I ____from Canada.A 、amB 、isC 、areD 、be( )20、Let ’s _______________.A 、go to schoolB 、to go to schoolC 、going to schoolD 、goes to schoolⅡ.完形填空（共10小题，每小题1分，共10分）阅读下面小短文，掌握其大意，然后从各小题所给的四个选项中选出最佳选项。
I have 21＿ goood friends. They are Lucy and Tom.Lucy is a 22 . She is 23 America. Her favourit e 24 is blue and herfovourite clothes 25 skirts. Tom is a boy 26 Canada.He likes blue 27 . He 28 them in summer.They 29 very nice.We three all like 30 .( )21. A.one B.two C.three D.four( )22. A.girl B.boy C.American D.Chinese( )23. A.go e C.from D.for( )24. A.book B.pencil C.colour D.green( )25. A.am B.is C.are D./( )26. A.from B.to C.on D.for( )27. A.colour B.pencil C.book D.clothes( )28. A.in B.put on C.wears D.dress( )29. A.am B.is C.are D./( )30. A.green B.blue C.indigo D.purpleⅢ．阅读理解（共15小题，每小题2分，共30分） 阅读A 、B 、C 、三篇材料，然后从各小题所给的四个选项中选出最佳选项。
AMy name is Wang Li. I ’m a Chinese girl. Lily is my good friend.My favouritecolour is blue.I look nice in the blue sweater. But Lily ’s favourite colour is green. She looks nice in green jeans. Now she is wearing a green skirt. It ’s very beautiful. It ’s from her mother. I also like her skirt.( )31.My name is_______.A.Li LinB.LilyC.Wang LiD.Wang Lili( )32.Lily ’s favourite colour is______.A.blueB.greenC.redD.white( )33.Lily is wearing ______.A.jeansB.a skirtC.a sweaterD.a hat( )34.Lily ’s skirt is_____.A.oldB.smallC.niceD.new( )35.I like _____,too.A.greenB.yellowC.Lily ’s skirtD.Lily ’s mumBackpackBrand: KidsT-shirtSports socks Brand: Langsha ShortsBrand: Adidas Colour: yellow, black, red( )36.How much are Robinhood jeans each?A.￥45B.￥30C.￥35D.￥48 ( )37.Jim buys a backpack, a T-shirt and a pair of sports shoes, what else can he get?A.A sport cap.B.A pair of socks.C.A pair of shorts.D.Nothing else.( )38.How much is the T-shirt before off?A.￥70B.￥24C.￥72D.￥96( )39.Bill wants to buy sports socks. What brand can he buy?A.Li Ming.B.Adidas.ngsha.D.Kids.( )40.Mrs.Green buys two pairs of shorts. She should pay for ＿＿.A.￥60B.￥30C.￥55D.￥27.5CI am a teacher in a school. My name is Zhang Wei. I have a lovely girl. Her name is Zhang Ling. Zhang Lin g's mother is a teacher, too. We teach(教) in the same school in Beijing. Zhang Lin g's mother and I live in Beijing. We are very happy now. ( ) 41. Zhang Wei is ＿＿＿.A. a girlB. a boyC. a womanD. a man ( ) 42. Zhang Ling is a ＿＿＿.A. boyB.girlC.teacherD.worker( ) 43. Zhang Wei lives ＿＿＿.A. in ShanghaiB. in BeijingC. in CanadaD. in England( ) 44. Zhang Ling ’s mother is a ＿＿＿.A. boyB. manC.teacherD.worker( ) 45. Zhang Wei is Zhang Ling ’s ＿＿＿.A.fatherB.motherC.teacherD.friendⅣ．任务型阅读（共5小题，每小题2分，计10分） 阅读短文，并按要求完成46~50题。
Li Ming: Hello! What 's your name?Danny: Hi! My name is Danny. What 's your name?Li Ming: My name is Li Ming. This is Li Liang. He is my brother.Danny: Nice to meet you, Li Liang.Li Ming: Nice to meet you, too. Where do you live, Danny?Danny: I live in Canada. What about you?Li Ming: We live in China.Li Liang: How many books do you have,Danny?Danny: I have five books.Li Liang : May I have one book,please?Danny:Sure.Here you are.Li Liang:Thank you very much.Danny:You ’re welcome.46 题判断正误（“T ”表示正确，“F ”表示错误）；47-49题简略回答问题； 50 题将文中画线句子译成英语。
最新冀教版七年级英语上册单元测试题全册带答案
最新冀教版七年级英语上册单元测试题全册Unit 1 School and Friends测试题Ⅴ.单项填空(每小题1分,共15分)21.I have books.A.oneB.aC.anD.two22. name is Danny. is my friend.A.She,HerB.His,HeC.Her,SheD.My,I23.I Lucy.What her name?A.am,amB.is,isC.am,isD.am,are24.Tom and Danny good boys.A.amB.areC.isD.not25.—How is ?—She’s fine,thank you.A.Li MingB.DannyC.JennyD.Tom26.—are you,Mike?—I’m fine.Thank you.A.WhatB.WhereC.WhoD.How27.I have many new friends here.They very nice.A.amB.isC.areD.be28.—What’s name?—My name is Sam.A.herB.hisC.myD.your29.—Is it a pen?—Yes,it is.You can write it.A.withB.fromC.onD.at30.—What is it?—It is an .A.bookB.eraserC.pencilD.ruler31.I need some flowers for my mother.A.to buysB.buyingC.buysD.to buy32.—Liu Qiang, is my friend.His name is Fang Zhixin.—Nice to meet you.A.youB.thisC.itD.she33.—is the boy over there?—He is Yang Kun,my classmate.A.HowB.WhatC.WhoD.Where34.—Is that a lab?—Yes.We have our science there.A.schoolssC.classesD.libraries35.—May I have your book?—.Here you are.A.Yes,you mayB.No,I’m notC.See you laterD.You’re welcomeⅥ.完形填空(每小题1分,共10分)Hello,everyone. 36 you know me?My 37 is Mike.I 38 an English teacher.I have 5 English 39 in my bag.I have a 40 list,too.I want to buy some food for my friends Mary and Jack.They are 41 Canada,but they are in 42 now.Mary and Jack are teachers in a 43 in Beijing.They teach(教)44 ,too.They are in their 45 now.They often(经常)plan their lessons there.36.A.Do B.May C.Have D.Are37.A.number B.classC.student38.A.be B.am C.is D.are39.A.pens B.rulers C.books D.words40.A.word B.to-do C.gift D.shopping41.A.in B.from C.on D.for42.A.Canada B.China C.the UK D.the USA43.A.school B.library b D.store44.A.sports B.science C.English D.Chinese45.A.home B.classroomC.officeD.playgroundⅦ.阅读理解(每小题2分,共30分)AHello,everyone.My name is Ella and I’m 12 years old.I’m from the U.S.I’m in Class Seven.I have three good friends.They are David,Lucy and Tina.David is from China.We are classmates.His father,Mr.Black,is our Chinese teacher.He is very nice.Lucy and Tina are sisters.They are beautiful.They are from Canada.Lucy is in Class Five and Tina is in Class Eight.I’m very happy to be with them.46.Ella is years old.A.11B.12C.13D.1447.Where is Ella from?A.The U.S.B.China.C.Japan.D.Canada.48.David is in Class .A.SixB.FiveC.SevenD.Eight49.Who is Mr.Black?A.Ella’s teacher.B.Ella’s doctor.C.Ella’s brother.D.Ella’s uncle.50.Lucy and Tina are .A.teachersB.doctorsC.classmatesD.sistersBTo:wangfei@From:kate888@Date:01/09 8:30 p.m.Subject:My Shopping ListDear Wang Fei,How are you?Today is my first day of school in Canada.I am in Class 5,Grade 7 this year.I have some new friends.They are Jacky,Lucy and Alice.I want to go to the store and buy some things for my classes after school.Here is my list.My Shopping List※one schoolbag※two pens※two erasers※four pencils※ten crayons※one pencil boxYour friend,Kate51.Wang Fei is Kate’s(凯特的) .A.friendB.teacherC.sisterD.mother52.Kate is in .A.ChinaB.EnglandC.the USAD.Canada53.Kate has new friends.A.oneB.twoC.threeD.four54.Kate is in Class ,Grade this year.A.Three,FiveB.Four,SevenC.Five,SevenD.Seven,Five55. are not on the list.A.PensB.RulersC.CrayonsD.ErasersCLinda:Hello,Paul.Is this your pencil?Paul:Yes,it is.Thank you.Linda:Is this your book?Paul:No,it isn’t.It is Mary’s.Linda:Mary,is this your book?Mary:No,it isn’t.My book is here.Ask Bill,please.Linda:Bill,is this your book?Bill:Yes,it is.Linda:Here you are.Bill:Thank you very much.But where is my bag?根据对话内容判断句子正(T)误(F)56.This is Linda’s pencil.57.The pencil isn’t Linda’s.58.The book is Bill’s.59.Mary can’t find(发现)her book.60.Paul knows Linda and Mary.Ⅷ.根据短文内容完成下列各题(每小题2分,共10分)Hello,I’m Sally.Welcome to our school.Now let me show you around it.There are 12 classrooms,29 teachers,460 students in our school.I’m in Class Three,Grade Seven.Our school is beautiful.It has a big playground.We can play games on it.Our school has a library.There are many books in it.We can read there and borrow books from it.There is a lab in our school.We can have our science classes there.Our school is very good.We study here and play sports here.I like it very much.61~62题判断正误(“T”表示正确,“F”表示错误);63题完成句子;64题简略回答问题;65题将文中画线句子译成汉语。
冀教版七年级数学上册第一二章测试题及答案
冀教版七年级数学上册第一二章测试题及答案第一章测试卷一、选择题(1～10题每题3分，11～16题每题2分，共42分)1．如果用＋0.02克表示一个乒乓球质量超出标准质量0.02克，那么一个乒乓球质量低于标准质量0.02克记作()A．＋0.02克B．－0.02克C．0克D．＋0.04克2．计算(－3)＋4的结果是()A．－7 B．－1 C．1 D．73．下列各式中，成立的是()A．22＝(－2)2B．23＝(－2)3C．－22＝|－2|2D．(－2)3＝|(－2)3|4．在－(－5)，－(－5)2，－|－5|，(－5)3这四个数中，负数有()A．0个B．1个C．2个D．3个5．(－2)3的相反数是()A．－6 B．8 C．－16 D.186．如图，在数轴上点A表示的数可能是()A．－1.5 B．1.5 C．－2.4 D．2.47．若一个数的绝对值是12，则这个数的立方是()A.18B．－18 C.18或－18D．8或－88．有理数a，b在数轴上对应点的位置如图所示，则()A．a＋b＜0 B．a＋b＞0C．a－b＝0 D．a－b＞09．已知|a|＝5，|b|＝2，且a＜b，则a＋b的值为() A．3或7 B．－3或－7 C．－3 D．－710．如图，数轴被墨汁盖住了两部分，被盖住的表示整数的点有( )A ．7个B ．8个C ．9个D ．10个11．点M 在数轴上距原点6个单位长度，将点M 向左移动2个单位长度至点N ，点N 表示的数是( ) A ．4B ．－4C ．8或－4D ．－8或412．每筐杨梅以5千克为基准，超过的千克数记为正数，不足的千克数记为负数．现有4筐杨梅的质量数记录如图所示，则这4筐杨梅的总质量是( )A ．19.7千克B ．19.9千克C ．20.1千克D ．20.3千克13．下列说法中，正确的是( )A ．两个数的和必定大于每一个加数B ．如果两个数的和是正数，那么这两个数中至少有一个正数C ．两个数的差一定小于被减数D ．0减去任何数，仍得这个数14．一个正整数a ，其倒数为1a ，其相反数为－a ，比较它们的大小，正确的是( )A ．－a ＜1a ≤aB ．－a ＜1a ＜aC ．－a <a <1aD ．－a ≤a ≤1a15．若x ，y 为有理数，且|x ＋2|＋(y －2)2＝0，则⎝ ⎛⎭⎪⎫x y 2 021的值为( )A ．1B ．－1C ．2 021D ．－2 02116．观察下列算式，用你发现的规律求出22 021的个位数字，是( )21＝2，22＝4，23＝8，24＝16，25＝32，26＝64，27＝128，28＝256，… A ．2 B ．4 C ．6D ．8二、填空题(19题3分，其余每空2分，共11分) 17．－3的倒数是________；|－3|＝________．18．有一列数：－12，25，－310，417，…，那么第7个数是________，第n 个数是________． 19．定义一种新运算：对任意有理数a ，b ，都有a ⊗b ＝a 2－b ，例如3⊗2＝32－2＝7，那么2⊗1＝________．三、解答题(20题8分，21～23题每题9分，24～25题每题10分，26题12分，共67分) 20．在如图所示的数轴上表示下列各数对应的点，并按从小到大的顺序把这些数用“＜”连接起来．3．5，－3.5，0，2，－2，－13，0.5.21．计算：(1)－5－(－3)＋(－4)－[－(－2)]；(2)－14＋⎝ ⎛⎭⎪⎫－112－38＋712×(－24)；(3)－62×⎝ ⎛⎭⎪⎫－1122－32÷⎝ ⎛⎭⎪⎫－1123×3；(4)⎪⎪⎪⎪⎪⎪－⎝ ⎛⎭⎪⎫－232＋⎝ ⎛⎭⎪⎫－59－(－1)2 020－2.45×8＋2.55×(－8)．22．如果a 、b 互为相反数，c 、d 互为倒数，m 的绝对值为2，求a ＋ba ＋b ＋c ＋m 2－cd 的值．23．若(a －3)2与|4＋b |互为相反数，求b a 的值．24．已知有理数a 、b 满足ab 2＜0，a ＋b ＞0，且|a |＝2，|b |＝3，求⎪⎪⎪⎪⎪⎪a －13＋(b －1)2的值．25．货车司机小张某天上午的营运路线全部是在南北走向的向阳大街上，如果规定向南为正，那么他在这天上午的行车路程如下(单位：km)：＋18，－15，＋36，－48，－3. (1)上午停工时，小张在上午出发地点的什么位置？(2)若该货车的耗油量为0.3 L/km ，则这天上午该货车共耗油多少升？26．观察下列各式：－1×12＝－1＋12； －12×13＝－12＋13； －13×14＝－13＋14； …(1)你发现的规律是____________________________(用含n 的式子表示)； (2)用你发现的规律计算：⎝ ⎛⎭⎪⎫－1×12＋⎝ ⎛⎭⎪⎫－12×13＋⎝ ⎛⎭⎪⎫－13×14＋…＋⎝ ⎛⎭⎪⎫－12 020×12 021.答案一、1.B 2.C 3.A 4.D 5.B 6．C 7.C 8.A 9.B 10.B 11．D 12.C 13.B 14.A 15.B16．A 点拨：通过观察可知，四个数为一组，用2 021除以4，若余数为1，则个位数字为2；若余数为2，则个位数字为4；若余数为3，则个位数字为8；若余数为0，则个位数字为6.因为2 021除以4余数为1，所以22 021的个位数字是2.故选A. 二、17.－13；318．－750；(－1)n ·nn 2＋1 19.3三、20.解：数轴上表示略．－3.5＜－2＜－13＜0＜0.5＜2＜3.5. 21．解：(1)原式＝－5＋3－4－2＝－8.(2)原式＝－1＋⎝ ⎛⎭⎪⎫－32×(－24)＋⎝ ⎛⎭⎪⎫－38×(－24)＋712×(－24)＝－1＋36＋9－14＝30. (3)原式＝－36×94－9×⎝ ⎛⎭⎪⎫－827×3＝－81＋8＝－73.(4)原式＝1－1＋(－2.45－2.55)×8＝－40.22．解：由题意，得a ＋b ＝0，cd ＝1，m ＝±2，所以m 2＝4.所以a ＋b a ＋b ＋c ＋m 2－cd ＝00＋c ＋4－1＝0＋4－1＝3.23．解：因为(a －3)2与|4＋b |互为相反数，所以(a －3)2＋|4＋b |＝0， 所以a －3＝0，4＋b ＝0， 所以a ＝3，b ＝－4， 所以b a ＝(－4)3＝－64. 24．解：由ab 2＜0，知a ＜0.因为a ＋b ＞0，所以b ＞0. 又因为|a |＝2，|b |＝3， 所以a ＝－2，b ＝3.所以⎪⎪⎪⎪⎪⎪a －13＋(b －1)2＝⎪⎪⎪⎪⎪⎪－2－13＋(3－1)2＝73＋4＝613.25．解：(1)18－15＋36－48－3＝－12(km)，由题意知，向南为正，故他在上午出发地点的北边，距出发地点12 km.(2)18＋15＋36＋48＋3＝120(km)，120×0.3＝36(L)． 答：这天上午该货车共耗油36升． 26．解：(1)－1n ×1n ＋1＝－1n ＋1n ＋1(2)原式＝－1＋12－12＋13－13＋14－…－12 020＋12 021＝－1＋12 021＝－2 0202 021.第二章测试卷一、选择题(1～10题每题3分，11～16题每题2分，共42分) 1．下列图形中，与其他三个不同类的是( )2．下列说法中，正确的是( )A ．若PA ＝12AB ，则P 是线段AB 的中点 B ．两点之间，线段最短 C ．直线的一半是射线D ．平角就是一条直线3．借助一副三角尺，你不能画出的角的度数是( )A ．75°B ．65°C ．135°D ．150°4．一个锐角的补角比它的余角大( )A ．45°B ．60°C ．90°D ．120°5．如图，A ，B ，C ，D 是直线l 上的四个点，图中共有线段( )A ．3条B ．4条C ．6条D ．8条6．下列说法中，正确的是( )A ．角的大小和开口的大小无关B ．互余、互补是指两个角之间的数量关系C ．单独的一个角也可以叫余角或补角D．若三个角的和是90°，则它们互余7．如图所示，M是AC的中点，N是BC的中点，若AB＝5 cm，MC＝1 cm，则NB的长是() A．1.5 cm B．2.5 cm C．2 cm D．3 cm8．如图所示，已知O是直线AB上一点，∠1＝40°，OD平分∠BOC，则∠2的度数是() A．20° B．25° C．30° D．70°9．某学校的学生每天上午8时45分下第一节课，此时时钟的时针与分针所成的角为() A．10° B．7°30′ C．12°30′ D．90°30′10．依据下列线段的长度，能确定点A，B，C不在同一直线上的是() A．AB＝8 cm，BC＝19 cm，AC＝27 cmB．AB＝10 cm，BC＝9 cm，AC＝18 cmC．AB＝11 cm，BC＝21 cm，AC＝10 cmD．AB＝30 cm，BC＝12 cm，AC＝18 cm11．如图，将一副三角尺按下面的位置摆放，其中∠α与∠β互余的是()12．如图所示，已知∠1＝∠2，∠3＝∠4，则下列结论中正确的有()①AD平分∠BAF；②AF平分∠DAC；③AE平分∠DAF；④AE平分∠BAC.A．1个B．2个C．3个D．4个13．如图，OB是∠AOC的平分线，OD是∠COE的平分线．若∠AOB＝40°，∠COE＝60°，则∠BOD的度数为()A．50° B．60° C．65° D．70°14．如果∠1与∠2互余，∠1与∠3互补，且∠2与∠3的和为一个周角的13，那么这三个角分别是()A．75°，15°，105° B．60°，30°，120°C．50°，40°，130° D．70°，20°，110°15．如图，在正方形网格中，将三角形ABC绕点A旋转后得到三角形ADE，则下列旋转方式中，符合题意的是()A．顺时针旋转90° B．逆时针旋转90°C．顺时针旋转45° D．逆时针旋转45°16．两根木条，一根长20 cm，另一根长24 cm，将它们的一端重合且放在同一条直线上，此时两根木条的中点之间的距离为()A．2 cm B．4 cmC．2 cm或22 cm D．4 cm或44 cm二、填空题(17题3分，18、19题每题4分，共11分)17．工程队开挖水渠时，会先在两端立柱拉线，然后沿线开挖，其中的道理是______________________．18．往返于甲、乙两地的火车中途要停靠三个站，则有________种不同的票价，需准备________种车票．(来回票价一样，且不同两站之间的票价不同)19．过点O引三条射线OA，OB，OC，使∠AOC＝2∠AOB，若∠AOB＝30°，则∠BOC的度数为________．三、解答题(20题8分，21～23题每题9分，24～25题每题10分，26题12分，共67分) 20．(1)0.75°等于多少分？等于多少秒？(2)将50°22′48″用度表示；(3)将42.34°用度、分、秒表示．21．计算：(1)143°19′42″＋26°40′28″；(2)90°3″－57°21′44″.22．已知线段a，b(a＜b)，如图所示，求作线段c，使c＝2b－a.23．如图，C为线段AD上一点，点B为CD的中点，且AD＝8 cm，BD＝2 cm.(1)图中共有多少条线段？(2)求AC的长；(3)若点E的直线AD上，且EA＝3 cm，求BE的长．24．如图所示，线段AD＝6 cm，线段AC＝BD＝4 cm，E，F分别是线段AB，CD的中点，求线段EF的长．25．如图所示，射线OC和OD把平角∠AOB三等分，OE平分∠AOC，OF平分∠BOD.(1)求∠COD的度数；(2)写出图中所有的直角；(3)写出∠COD的所有余角和补角．26．如图所示，已知∠AOB＝90° ，∠BOC＝30°，OM平分∠AOC，ON平分∠BOC.(1)∠MON＝________°；(2)将OC绕O点向下旋转，使∠BOC＝2x°，其他条件不变，能否求出∠MON的度数？若能，求出∠MON的度数；若不能，试说明理由；(3)若∠AOB＝α，∠BOC＝β，仍然分别作∠AOC，∠BOC的平分线OM，ON，能否求出∠MON的度数？若能，求出∠MON的度数；若不能，试说明理由．答案一、1.C 2.B3．B 点拨：15°整数倍的角，都可以用一副三角尺画出来．4．C 5.C 6.B 7.A 8.D9．B 点拨：时针从8时到8时45分旋转45×0.5°＝22.5°，而分针在8时45分时指向“9”，因此时针与分针所成的角为30°－22.5°＝7.5°＝7°30′.10．B 点拨：本题可采用排除法．11．C 12.B13．D 点拨：因为OB 是∠AOC 的平分线，所以∠BOC ＝∠AOB ＝40°.因为OD 是∠COE 的平分线，所以∠COD ＝12∠COE ＝12×60°＝30°.所以∠BOD ＝∠BOC ＋∠COD ＝40°＋30°＝70°.14．A 15.B 16.C二、17.两点确定一条直线 18.10；2019．30°或90° 点拨：本题要运用分类讨论思想．若射线OB 在∠AOC 的内部，则∠BOC ＝30°；若射线OB 在∠AOC 的外部，则∠BOC ＝90°.三、20.解：(1)0.75°＝60′×0.75＝45′，0.75°＝60″×45＝2 700″.(2)48″＝⎝ ⎛⎭⎪⎫160′×48＝0.8′，22′＋0.8′＝22.8′，22.8′＝⎝ ⎛⎭⎪⎫160°×22.8＝0.38°.所以50°22′48″＝50.38°. (3)60′×0.34＝20.4′，60″×0.4＝24″，所以42.34°＝42°20′24″.21．解：(1)143°19′42″＋26°40′28″＝169°59′70″＝170°10″.(2)90°3″－57°21′44″＝89°59′63″－57°21′44″＝32°38′19″.22．解：如图所示．作法：①画射线OA .②在射线OA 上顺次截取点B ，C ，使OB ＝BC ＝b . ③在线段CB 上截取点D ，使CD ＝a ，则OD 就是所求作的线段c .23．解：(1)图中共有6条线段．(2)因为点B 为CD 的中点，所以CD ＝2BD ＝4 cm.所以AC ＝AD －CD ＝8－4＝4(cm)．(3)当E 在点A 的左边时， BE ＝BA ＋EA ，因为BA ＝AD －BD ＝6 cm ，EA ＝3 cm ，所以BE ＝9 cm.当E在点A的右边时，BE＝AB－EA，因为AB＝AD－BD＝6 cm，EA＝3 cm，所以BE＝3 cm.综上，BE的长为9 cm或3 cm.24．解：因为AD＝6 cm，AC＝BD＝4 cm，所以BC＝AC＋BD－AD＝4＋4－6＝2(cm)．所以AB＋CD＝AD－BC＝6－2＝4(cm)．又因为E，F分别是线段AB，CD的中点，所以EB＝12AB，CF＝12CD，所以EB＋CF＝12AB＋12CD＝12(AB＋CD)＝2cm.所以EF＝EB＋BC＋CF＝2＋2＝4(cm)．即线段EF的长为4 cm.25．解：(1)因为射线OC和OD把平角∠AOB三等分，所以∠COD＝13×180°＝60°.(2)∠DOE与∠COF.(3)∠COD的余角：∠AOE，∠EOC，∠DOF，∠FOB；∠COD的补角：∠AOD，∠EOF，∠BOC.26．解：(1)45(2)能．因为∠AOB＝90°，∠BOC＝2x°，所以∠AOC＝90°＋2x°.因为OM，ON分别平分∠AOC，∠BOC，所以∠MOC＝12∠AOC＝12(90°＋2x°)＝45°＋x°，∠CON＝12∠BOC＝x°.所以∠MON＝∠MOC－∠CON＝45°＋x°－x°＝45°.(3)能．因为∠AOB＝α，∠BOC＝β，所以∠AOC＝α＋β.因为OM，ON分别平分∠AOC，∠BOC，所以∠MOC＝12∠AOC＝12(α＋β) ，∠CON＝12∠BOC＝12β.所以∠MON＝∠MOC－∠CON＝12(α＋β)－12β＝12α.。
Unit 1--2 综合测试卷2022-2023学年冀教版英语七年级上册(含答案)
Unit 1--2 综合测试卷一、单项选择1．Your schoolbag is new, but ________ is old.A．I B．my C．myself D．mine2．—________ are Bob’s trousers?—________ 48 dollars.A．How much; It’s B．How much; They’re C．How many; It’s D．How many; They’re 3．Miss Zhang is _________ English teacher. _________ is a good teacher.A．an; Her B．a; Her C．a; She D．an; She 4．—What’s _________ name?—_________ is Alice.A．her; She B．his; She C．she; Her D．her; He5．My school is a little far from my home. It often ________ me half an hour ________ there. A．takes; to go B．take; to go C．spends; going D．needs; go 6．Football is so exciting（令人兴奋的）that _______ people in the world play it.A．million of B．millions of C．two millions of D．two millions7．—Which club would you like to join, Mary?—I like music, ________ I’d like to join the Music Club.A．because B．so C．but D．or8．—Do you want to go to the party tonight?—I’m afraid not. The party is only for ________ kids.A．13 years old B．13-years-old C．13 year old D．13-year-old 9．—Is there ________in the restaurant?—Yes, there is. The noodles here are really nice.A．something delicious B．anything delicious C．everything expensive D．nothing expensive 10．—How often does Lara play the piano?—________ once or ________ a week, I’m not sure.A．May be; twice B．Maybe; twice C．Maybe; two time D．May be; two times 11．—Here’s a postcard for you, Jim!— Oh, ________ is from my friend, Mary.A．he B．it C．she D．it’s12．Tom and Ann are from America. ________ are good friends.A．He B．She C．They D．Their 13．—Why do you like Janet so much?—Her smiling eyes make her look ________. Everyone in our class likes her.A．happily B．friendly C．carefully D．lucky14．I think we get lost. Let’s call the ________ at 110 for help.A．classmate B．musician C．police D．student15．—Is there ________ video shop near here?—Yes, there’s ________ near here.A．a; the B．the; a C．one; a D．a; one 16．—Excuse me, what time does the next train to Shanghai leave?—Just a minute. I ________ it for you.A．check B．checked C．will check D．checking 17．Here are two nice photos _______ my family. What do you think of _______?A．for; them B．for; it C．of; them D．of; it 18．—What happened? Is there _________?—Nothing serious.A．anything wrong B．something wrong C．wrong something D．wrong anything 19．Will you please ________ the magazine to Peter when you go to see Kim? He _______ it in my flat.A．bring; forgot B．to bring; forgot C．take; left D．to take; left20．It ________ about eight minutes for the light to travel from the sun to the earth.A．pays B．costs C．spends D．takes二、语法选择阅读下面短文，按照句子结构的语法性和上下文连贯的要求，从所给的四个选项中选出一个最佳答案，使短文连贯完整。
最新冀教版七年级英语上册单元测试题及答案全套8全
最新冀教版七年级英语上册单元测试题及答案全套8全Unit 1达标测试卷第Ⅱ卷笔试部分(100分)五、单项选择(每小题1分，共15分)21．—Thank you.—________．A. You're rightB. ByeC. You're welcomeD. No22.易错题) —Is that girl in red Sally?—No，it________ her. She has gone to(已经去) Hong Kong.A．may be B．must beC．can't be D．mustn't be23．Beckham and Liu Xiang ________ very popular players.A．is B．are C．be D．am24．May I have ________ books, please?A．one B. a C. four D. an25．—What's ________ name?—________ name is Tom.A．your；My B．your；YourC．my；My D．his；Her26．You ________ fine，and I ________ fine, too.A. is；areB. are；amC. are；isD. am；is27．—________ going shopping tomorrow?—Good idea.A．How about B．WhyC．When D．How28．—May I borrow your pen，please?—________．A．No，thanksB．ThanksC．Sure. Here you areD．Yes，it is29．—Hello，Jack. How are you?—________. Thank you.A．Reading a magazineB．FineC．That's all rightD．It's nice30．—Is that your desk?—________.A．Yes，it isn't B．Yes，it'sC．No，it is D．Yes，it is31．It's your turn ________ the classroom.A．clean B．to cleaningC．to clean D．cleans32．—What's that?—________ a pencil case.A. This isB. ThisC. ThatD. It's33．—After P．E., I often feel very thirsty.—Why not buy some ________ to drink?A. breadB. noodlesC. apple juiceD. teas34．Look! Kevin is writing ________ his left hand.A. atB. asC. forD. with35．David Beckham has ________ sons. Brooklyn Beckham is his ________ son.A．third；first B．three；oneC．three；first D．third；one六、完形填空(每小题1分，共10分)(词数：约60；建议用时：4分钟)I'm a boy. My name is Li Dong.________(36) is my school. There is a ________(37) in it.________(38) is very big. We can borrow books there. I have ________(39) friends.________(40) are Li Ming and Wang Mei. Li Ming is a boy. Wang Mei is a ________(41)．She is my classmate. Look! That ________(42) our ________(43)．We study(学习)there.________(44) teacher is Mr. Li.________(45) is friendly(友好的)to us.36．A. How B．This C．What D．He37．A. room B．lab C．classroom D．library38．A. It B．This C．What D．That39．A. a B．an C．one D．two40．A. He B．She C．We D．They41．A. boy B．girl C．man D．teacher42．A. am B．is C．are D．have43．A. school B．lab C．classroom D．library44．A. We B．I C．Our D．Me45．A. He B．She C．It D．They七、阅读理解(每小题2分，共30分)A(词数：约40；建议用时：4分钟)Today，shopping on the Internet(因特网)is very popular. We can buy a lot of things on the Internet. We don't need a shopping list. It is very convenient(方便的)for us. I like it very much. Many people know it and like it.根据短文内容判断正(T)误(F)。
2021--2022学年冀教版数学七年级上册 第1--2章 基础练习题含答案)
冀教版数学七年级上册-第一章-有理数一、单选题1.三个数：+ ﹣|﹣1|的大小关系是（）A.+ ＜＜﹣|﹣1|B.﹣|﹣1|＜＜+C.﹣|﹣1|＜+ ＜D.＜+ ＜﹣|﹣1|2.某种药品的说明书上标明保存温度是（20±2）℃，则该药品在（）范围内保存才合适．A.18℃～20℃B.20℃～22℃C.18℃～21℃D.18℃～22℃3.若ab＝｜ab｜，必有()A.ab<0B.ab≥0C.a<0,b<0D.a,b同号4.下列数中，最大的是（）A. -2B.0C. -3D.15.下列四个数中，最大的数是（）A. -2B.C.0D.66.已知数轴上的三点A、B、C分别表示有理数，1，-1 ，那么表示( )．A.A、B两点的距离B.A、C两点的距离C.A、B两点到原点的距离之和D.A、C两点到原点的距离之和7.我国股市交易中，每买、卖一次需交千分之七点五的各种费用，某投资者以每股10元的价格买了上海某股票1000股，当此股涨到12元时全部卖出，此投资者实际盈利为（）元。
A.2000B.1925C.1835D.19108.已知a、b互为相反数，下列各式中成立的是（）A.ab＜0B.a-|b|=0C.a÷b=-1D.|a-b|=|a|+|b|二、填空题9.已知|x|=5,y=3,则x-y=________.10.如图所示，数轴的一部分被墨水污染，被污染的部分内含有的整数和为________．11.用“＜”、“＞”号填空：________ .12.数轴上的A点表示的数是－3，数轴上另一点B到A点的距离是2，则B点所表示的数是________.13.﹣2倒数是________，﹣2绝对值是________．14.的相反数是________，倒数是________，绝对值是________．15.已知a与b互为相反数，c与d互为倒数，m的绝对值为6，则值为________.三、解答题16.把下列各数在数轴上表示出来．并用“＜”连接．﹣2，0，3，﹣1，．17.在数轴上表示下列个数，并用“ ”连接起来．（要求以为单位长度画数轴），，，，，．四、综合题18.比较下列各组数的大小．（1）与+0.76；（2）与．19.计算题（1）（+1 ﹣2.75）×（﹣24）+（﹣1）2016；（2）﹣12﹣[1 +（﹣12）÷6]2×（﹣1 ）2．20.一辆出租车从超市出发，向东走4千米到达小丽家，然后向西走2千米到达小华家，又向西走6千米达到小敏家，最后回到超市．（1）以超市为原点，规定向东为正方向，用1个单位长度表示1千米，你能在数轴上标出小丽家，小华家和小敏家的位置吗？（2）出租车一共行驶了多少千米？答案一、单选题1.【答案】C【解析】【解答】解：化简各数，得= ，+ = ，﹣|﹣1|=﹣1，正数大于负数，负数比较大小，得﹣|﹣1|＜+ ＜故答案为：C．【分析】先将各数分别化简，再将化简之后的数按照有理数大小比较的方法比较出大小即可。
冀教版英语七上册单元实用测试卷含答案
冀教版英语七年级上册1-4单元实用测试卷（含答案）I.词汇A) 根据所给汉语填空。
(10分)1.My friends look _________ (不同).2. Danny __________ (有) three hairs.3.–What’s the _________ (问题)? –I cut my knee.4.–How are you today? –I _________________ (头痛)5.I’m thirsty, I want _____________________ (喝杯水)6.It’s time _______________(吃早饭)7. This is ________（桔子）.8.. The________（紫色的）shorts are new.9.________（不要打开）the door, please.10.. __________ (谁的) shirt is this?B)根据句意，用所给词的适当形式填空：（5分）1.I’d like _______ (order) a bowl of noodles2. I like some _______ (tomato) for dinner.3.She is ready _________(help) others.4. 4.Danny, stand on your ___________ (foot), please.5.Take your ___________ hand out. (left的反义词)C). 用am, is, are填空：（10分）1. –What _____ your name? –My name ______ LiLin.2.–Where _____ the library?—There it _____.3.What colour ______ the scissors?4.Meat and fish ____ my favourite food.5. There ___ a lot of food on the table. Would you like some?6. My favourite clothes _______ pants and shirts.7. Two glasses of milk _______ over there.8. We _________ Chinese. You __________ American.(美国人)9. She _____ from Baoding.This ____Bill and this ______Bob. They want to _______friends.10. What colour _______your hair and what colour________ your eyes?II. 单项选择：（30分）( ) 1. –May I borrow your book, LiMing? --- _________.A. ThanksB. Sure! Here you are.C. You’re welcome.( ) 2. --______ is your teacher? --He is in the classroom.A. WhereB. HowC. What’s( ) 3. This is a boy.________name is Li Ming.A. HeB. SheC. HisD. Her( ) 4. I write________this green pen.A. toB. inC. onD. with( ) 5. Let us_______ a bottle of orange.A. eatB. to eatC. drinkD. to eat( ) 6. Is this ＿＿old car? No, it’s ＿＿new car.A. an, anB. an, aC. a, aD. a, an( ) 7. This is ___ apple. ____ apple is on the desk.A. an; AnB. the; AnC. an; TheD. the; The( ) 8.He is so lazy. He wants her mother ____ everything for him.A. to doB. doC. doingD. does( ) 9.---Is this ____ sweater? --- No, it isn’t. ____ is blue and yellow.A. your; MineB. your; MyC. your; MineD. your; My( ) 10. I want to buy ___ vegetables, but I don’t want to buy ___ chicken.A. some; anyB. any; someC. some; someD. any; any( ) 11.—Is your dress blue or yellow? -----__________.A. Yes, I am.B. Yes, it is.C. It’s blue.( ) 12.—Pants are my favourite clothes. –---Me, too. We are __________.A. the newB. the sameC. the niceD. the big( ) 13. She often does exercises ___ the morning, but she doesn’t do ____ Sunday morning.A. in; inB. on; onC. in; onD. on; in( ) 14.---- By the way, how much ____ the glasses? ---- The glasses? Oh, ___ 230 yuan.A. is; it’sB. are; they’reC. are; it’sD. is; they’re( ) 15. The sweater is _________ big ________me. Please give (给) me the red sweater.A. too, fromB. too, forC. with, for( ) 16. I ______ his name.A not knowB know notC don’t know D. do know not( ) 17. ________ name is Sue._________ is a girl from Canada.A She, HeB Her, She’sC She’s, Her’s D. Her, She( ) 18. —Are those your pants? -________.A Yes, they’reB Yes, they areC Yes, those areD They are( ) 19. Mom, I have a _________.A. stomachB. stomachsC. stomachesD. stomachache( ) 20. Lynn has ________A. long blond hairsB. a long blond hairC. long blond hairD. a long blond hairs ( ) 21.________“I”a letter ________a word?A. In, isB. An, andC. Is, orD. Is, and( ) 22. My mother’s hair ________black, but she has three white ______.A. is, hairB. is, hairsC. are,hairD. are, haris( ) 23._______you_______happy?A. are, feelB. Do, /C. Do, feelD. Do, feeling( ) 24.How is your sister today? She’s ____.Thank you.A. fifteenB. fineC. a studentD. at home( ) 25. Daniel is a very ____ football player and he plays football very ____.A. good; goodB. good; wellC. well; goodD. well; well( ) 26. Would you like ____ tea?A. aB. anC. someD. any( ) 27.We eat _______ and they eat ______.A. rices, breadB. rice, breadsC. rice, breadD. rices, breads( ) 28. It’s time _____.A. go to bedB. go bedC. for go to bedD. to go to bed( ) 29.I want something_____.A. drinkB. to drinkC. drinkD. for drink( ) 30.How many ____ are there on the table?A. milkB. milksC. bottle of milkD. bottles of milkIII. 按要求改写下列句子(5分)1.My books are in the desk. (对画线部分提问_______ _______ your books?2.Whose book is this? ( 改写成复数形式) Whose _______ _______ ________?3.Is your hair long? Is your hair short? (把两句合并成一个选择疑问句)________ your hair long ______ short?4.I have three friends. ( 对画线部分提问) _______ ______ ______ do your have?5. My favourite colour is blue.（划线提问）_______is________favourite colour？IV.完形填空. (10分)Miss Brown is __1__ New York. She teaches English _2___ a school. She __3__ good Chinese. She goes to __4__ on Sunday. Miss Brown likes __5__ in China __6___ much, she says the students are __7__ and __8__ hard. Miss Brown _9__ a son and a daughter. They go to the ___10__ school in China. They like it very much.( ) 1. A. at B. in C. on D. from( ) 2. A. in B. on C. to D. for( ) 3. A. say B. says C. speak D. speaks( ) 4. A. work B. works C. walk D. walks( ) 5. A. to teach B. teaches C. to teaching D. teach( ) 6. A. too B. many C. / D. very( ) 7. A. good B. bad C. well D. better( ) 8. A. works B. are work C. working D. work( ) 9. A. have B. has C. does D. there is( ) 10. A. same B. that C. two D. oneV.阅读理解. (20分)AMr. Smith has a week holiday, so he says, “I want to see the sea by train.” He puts on his best clothes, takes a small bag, goes to the railway station(火车站) and gets into the train. He has a beautiful hat, and he often puts his head out of the window during the trip and looks at the beautiful scenery(风景). But the wind pulls his hat off.Mr. Smith quickly takes off his old bag and throws(扔) it out of the window, too. The other people in the train laugh, “Can your bag bring back your beautiful hat?” they ask.“No,” Mr. Smith answers, “But there is my name and address on the bag. If someone finds both of them, he or she can send(送) me the bag and hat.”Do you think Mr. Smith is clever or foolish?( ) 1. Mr. Smith goes to have his holiday of _____.A. five daysB. seven daysC. nine daysD. two days( ) 2. Mr. Smith puts his head out of the window to ____.A. say goodbye to his friendsB. throw his hat out of the windowC. sing an English songD. see the beautiful scenery( ) 3. Mr. Smith is going to ___ during his holiday.A. see his parentsB. visit his friendsC. see the seaD. enjoy himself in the train ( ) 4. Why does Mr. Smith throw his old bag out of the window?Because he hopes _____.A. someone can send back his bag and hatB. the people in the train will laughC. someone finds the bag and sends it back with the hatD. someone can find his hat( ) 5. From the passage we can see that Mr. Smith is a ____ man.A. cleverB. richC. poorD. foolishBJohn liked to keep his hair very long. Some of his friends thought that it looked like girl’s hair, but they never made jokes about it, because John was a big strong, strong young man and he doesn’t like jokes about his funny hair.John always went to the barber’s twice a month to have his hair cut and washed, and one day the barber said to him, “Now why don’t you let me cut most of this hair off and give you a new hairstyle? Nobody would recognize you if I did that, I’m sure.”John said nothing for a second, and then said, “Perhaps you are right but I’m not sure that nobody would recognize you too if you did that to my hair.”( ) 1. John kept his hair long because ______.A. John is a girlB. the barber wouldn’t like to cut his hair short.C. John likes it to be longD. that hair grew too fast( ) 2. His friends never made jokes about the hair because _______.A. the hair wasn’t funnyB. John liked his hair very muchC. John was a shy man.D. John didn’t like jokes about his hair and they were afraid of him.( ) 3. A barber is a ______.A. shop where one’s hair can be washed and cutB. man who has his hair cutC. person who cuts men’s hairD. doctor who gives headache treatments( ) 4. The barber advises(建议)John _____.A. to have his hair cut shortB. to cut off most of his hairC. to keep his hair longD. to wash his hair( ) 5. How often did John go to the barber’s?A. Every weekB. Twice a weekC. Every monthD. Twice a monthVI．书面表达：（10分）请根据下列表格中所提供的信息，以“My Good Friend”为题，介绍一下你的好朋友。
最新版冀教版七年级上册英语Unit1单元测试题2及答案解析
Unit 1 School and Friends单元综合检测试题(45分钟 100分)第Ⅰ卷（共50分）Ⅰ. 听力（10分）(Ⅰ)听句子，选出句中所包含的信息。
(5分)1. A. boy B. girl C. student2. A. class B. friend C. classmate3.4.5.(Ⅱ)听对话和问题，选择正确答案。
(5分)听第一段对话，回答第6、7小题。
6. A. Wang Gang. B. Danny.C. Tom.7. A. Not fine. B. Fine.C. A student.听第二段对话，回答第8~10小题。
8. A. Li Ming’s classroom.B. Jenny’s classroom.C. Li Ming’s lab.9. A. Yes, it is. B. No, it isn’t.C. Yes, it isn’t.10. A. A pencil box. B. A pencil.C. A ruler.Ⅱ. 单项选择(20分)1. —Thank you.— _____A. Nice to meet you.B. You’re welcome.C. How are you?D. Thank you, too.2. —This is Jenny, Tom. She is my friend.—_____ , Jenny.A. Thank youB. Nice to meet youC. What’s your nameD. She is my friend, too3. —Jenny, how _____ your teacher?—She is fine.A. beB. isC. amD. are4. The girl is Wang Mei. _____ is my friend.A. SheB. HeC. YouD. Her5. —_____ a pen?—Yes, it is.A. Is thatB. This isC. That isD. Are this6. —May I borrow your crayons？—_____ .A. Thank youB. Yes, it isC. Sure. Here you areD. You’re welcome7. You _____ a teacher, and I _____ a student.A. is; amB. are; isC. am; isD. are; am8. — _____ is it?—It’s a pencil box.A. WhoB. HowC. WhereD. What9. _____ your name John?A. AreB. AmC. IsD. /10. — _____ your new friends?—They are very nice.A. Who isB. What name isC. Where isD. What aboutⅢ. 完形填空(10分)Hello!1 name is Li Ming. I 2 a Chinese boy. I have 3 sister（姐姐）. 4 name is Li Yue. She 5 a middle school student. She is 6 Class Four. It’s a big class. I 7 two good friends. They 8 Li Lei and Jenny. Li Lei is a Chinese boy,9 . But Jenny is a Canadian(加拿大的) 10.1. A. I B. Me C. My D. Her2. A. am B. is C. are D. have3. A. an B. a C. two D. /4. A. He B. She C. Her D. His5. A. is B. are C. be D. am6. A. on B. at C. for D. in7. A. am B. has C. have D. are8. A. is B. be C. are D. have9. A. two B. to C. too D. /10. A. boy B. girlC. manD. teacherⅣ. 阅读理解(10分)A: Hi, my name is Mary. What’s your name?B: My name is Bill.A: Nice to meet you.B: Nice to meet you, too.A: Look, this is your desk and this is your chair. Sit down, please. B: Thank you. Where(在哪里) are your desk and chair?A: Here!B: Hmm, the classroom is nice.A: Yes, welcome to our class.B: You are a nice girl.A: Thank you.B: May I have your pen?A: Sure. Here you are.B: Thank you.A: You are welcome.1. Mary is _____.A. a nice girlB. 12C. a boyD. a teacher2. Mary and Bill are in_____.A. the labB. the classroomC. the libraryD. the desk3. Bill is_____.A. a new (新的) studentB. an old (老的) studentC. a girlD. a new teacher4. Bill doesn’t have a_____.A. bookB. pencilC. penD. ruler5. How many things(东西)can you see in the passage?A. Three.B. Four.C. Five.D. One.第Ⅱ卷（共50分）Ⅴ. 词汇运用(10分)(Ⅰ)根据句意及首字母或图片提示完成单词 (5分)1. I have _____ pens.2. I often (经常) buy things at the s_____.3. I want to (想要) buy _____ rulers.4. Can you s_____ me your pictures?5. E_____ me, may I have your eraser?(Ⅱ)用所给词的适当形式填空 (5分)6._____ (be) you a student?7. Let’s _____ (guess) what that is.8. Look at the boy. _____ (he) is my friend. _____(he) name is Jack.9. That _____ (is not) Lily. She is Lucy.10. —What _____ (be) the girl’s name?—Her name is Mary.Ⅵ. 连词成句(10分)1. her, what, name, is_______________________________________?2. big, is, blackboard, the______________________________________.3. list, my, this, shopping, is_______________________________________.4. playground, fun, the, we, have, on________________________________________.5. lessons, lab, Li Ming and Danny, in, have, the________________________________________.Ⅶ. 句型转换(10分)1. Good morning. (写出答语)_____ _____.2. The girl’s name is Wu Ping. (对画线部分提问)_____ _____ the girl’s name?3. Danny can play the guessing game. (改为一般疑问句) _____ Danny _____ the guessing game?4. That is my good friend. (改为一般疑问句)_____ _____ _____ good friend?5. This is a pencil. (对画线部分提问)_____ _____ this?Ⅷ. 补全对话(5分)从方框中选择最佳选项完成对话，有两项多余A. What’s your nameB. Nice to meet youC. It’s a bookD. GoodbyeE. May I have itF. How are youG. What’s her nameA: Hello, Tom.1?B: Fine, thank you.A: Tom, this is my friend.B: Hi, I’m Tom.2 ?C: Jim.B: 3, Jim.C: Nice to meet you, too.A: What’s this?B: 4.A: 5, Tom?B: Sure, here you are.A: Thank you.B: You’re welcome.1._____2._____3._____4._____5._____Ⅸ. 书面表达(15分)假如你是Jim，请根据下列信息用英语写一段40词左右的短文。
2024年冀教版七年级上册英语Unit 1综合检测试卷及答案
Unit 1 综合素质评价(限时：120分钟满分：120分)第一部分听力(共30 分)I. 听句子, 选出句子中所包含的信息(共5 小题; 每小题1 分, 满分5 分)( ) 1. A. a teacher B. a student C. a classroom( ) 2. A. borrow books B. have classes C. read books( ) 3. A. a new job B. a young man C. a tall building( ) 4. A. Jim and Danny go shopping.B. Both Jim and Danny go to school.C. Jim and Danny don’t like going to school.( ) 5. A. The child has fun playing with the ball.B. The child is looking at a ball.C. The child is reading the word.II. 听句子, 选出该句的最佳答语(共5 小题; 每小题1 分, 满分5 分)( ) 6. A. In the first photo. B. Red. C. In my computer class.( ) 7. A. Hello, Kate! B. I’m Danny. C. I’m OK.( ) 8. A. Yes, he is. B. No, he isn’t. C. Our English teacher.( ) 9. A. She is my friend. B. It’s a science book.C. In the library.( ) 10. A. How are you? B. Thank you. C. Nice to meet you, too.III. 听对话和问题, 选择正确答案(共8 小题; 每小题1 分, 满分8 分)( ) 11. Which class did the boy have this morning?A. B. C.( ) 12. What sport is the girl doing in the photo?A. B. C.( ) 13. What’s the time now?A. 1:35 p. m.B. 2:00 p. m.C. 4:00 p. m. ( ) 14. How will they go to the music show?A. On foot.B. By bike.C. By bus. ( ) 15. What will they do after the music show?A. Go for a walk.B. Go shopping.C. Go to the zoo. ( ) 16. What’s under the table?A. A soccer.B. A pen.C. A basketball. ( ) 17. What day is it today?A. Thursday.B. Friday.C. Saturday. ( ) 18. What will they do next?A. Play basketball.B. Play baseball.C. Have an English class.IV. 听短文和问题, 选择正确答案(共7 小题; 每小题1 分, 满分7 分) ( ) 19. How many boys are there in Wang Lin’s class?A. Eight.B. Nine.C. Ten.( ) 20. What is around the playground?A. Many green trees and red flowers.B. Many birds and trees.C. Many green flowers.( ) 21. What do the students often do on the playground?A. Play sports.B. Do some reading.C. Get different books.( ) 22. Why does Jack come to China?A. To study.B. For a visit.C. To work. ( ) 23. How is Li Ming’s school?A. Big.B. Small.C. Old.( ) 24. What is next to Li Ming’s classroom?A. A lab.B. A library .C. An office. ( ) 25. How is Jack today?A. Tired.B. Happy.C. Sad.V. 听短文填空(共5 小题; 每小题1 分, 满分5 分)第二部分语言运用(共25 分)VI. 完形填空(共15 小题; 每小题1 分, 满分15 分)阅读下面短文, 从每小题所给的四个选项中选出最佳选项。
冀教版七年级数学上册单元测试题全套(含答案)
冀教版七年级数学上册单元测试题全套（含答案）第一章单元检测卷（时间：60分钟满分：100分）一、选择题（共10题，共30分）1.－3的相反数是()A.3B.－3C.D.2.设x是有理数，那么下列各式中一定表示正数的是（）A.2008xB.x+2008C.|2008x|D.|x|+20083.﹣的绝对值是（）A.﹣B.C.2D.-24.如果︱x-1︱=1-x,那么（）A.x<1B.x>1C.x≤1D.x≥15.-2的绝对值是（）A.2B.-2C.D.6.若（a﹣1）2+|b+2|=0，则（a+b）2016的值是（）A.﹣1B.1C.0D.20167.在﹣1，﹣2，﹣3，﹣4这四个数中，最大的一个数是（）A.﹣1B.﹣2C.﹣3D.﹣48.﹣2014的相反数是（）A.-2014B.C.-D.20149.下列说法：①若m=n，则|m|=|n|；②若m=﹣n，则|m|=|﹣n|；③若|﹣m|=|﹣n|，则m=﹣n；④若|﹣m|=|﹣n|，则m=n．其中正确的是（）A.①②B.③④C.①④D.②③10.下列各式中，正确的是（）A.->0B.>C.>D.<0二、填空题（共8题，共24分）11.在数轴上将点A向右移动7个单位，再向左移动4个单位，终点恰好是原点，则点A表示的数是________．12.﹣53的倒数的绝对值是________．13.用“⇒”与“⇐”表示一种法则：（a⇒b）=﹣b，（a⇐b）=﹣a，如（2⇒3）=﹣3，则（2017⇒2016）⇐（2015⇒2014）=________．14.是________的倒数.15.2﹣的绝对值是________.16.若有理数a，b满足|a+3|+（b﹣2）2=0，则a b=________．17.规定了原点、正方向和________的直线叫做数轴.18.如图，将一刻度尺放在数轴上（数轴的单位长度是1cm），刻度尺上“1cm”和“9cm”分别对应数轴上的﹣3和x，那么x的值为________．（第18题图）三、解答题（共6题，共46分）19.（6分）在数轴上表示下列各数：0，﹣4，122，﹣2，|﹣5|，﹣（﹣1），并用“＜”连接．（第19题图）20.（6分）一种零件的内径尺寸在图纸上是50±0.05（单位：mm），表示这种零件的内径标准尺寸是多少？加工要求最大不超过标准尺寸多少毫米？符合要求的零件内径最小是多少毫米？21.（8分）把数2.5，﹣3，0，112-，4，﹣0.5表示在数轴上，并用“＞”把它们连接起来．22.（8分）将下列七个数在数轴上边表示出来，并排序用“＜”连接：32，（﹣2）2，0，1|6|2-，﹣3.5，（﹣1）10，﹣23（第22题图）数轴表示：排列顺序：23.（8分）已知快递公司座落在一条东西走向的街道上，某快递员从快递公司取件后在这条街道上送快递，他先向东骑行1km到达A店，继续向东骑行2km到达B店，然后向西骑行5km到达C店，最后回到快递公司．（1）以快递公司为原点，以向东方向为正方向，用1cm表示1km，画出数轴，并在数轴上表示出A、B、C三个店的位置；（2）C店离A店有多远？（3）快递员一共骑行了多少千米？24.（10分）一辆货车从百货大楼出发负责送货，向东走了4千米到达小明家，继续向东走了1.5千米到达小红家，然后向西走了8.5千米到达小刚家，最后返回百货大楼．（1）以百货大楼为原点，向东为正方向，1个单位长度表示1千米，请你在数轴上标出小明、小红、小刚家的位置．（小明家用点A表示，小红家用点B表示，小刚家用点C表示）（2）小明家与小刚家相距多远？（3）若货车每千米耗油1.5升，那么这辆货车此次送货共耗油多少升？（第24题图）参考答案一、1.A 2.D 3.B 4.C 5.A 6.B7.A8.D9.A10.C二、11.-312.13.201614.-1315.﹣216.917.单位长度18.5三、19.解：如答图.﹣4＜﹣2＜0＜﹣（﹣1）＜2＜|﹣5|．（第19题答图）20.解：50±0.05mm表示的是以50mm为标准尺寸，+0.05mm表示最大超出标准尺寸0.05mm，-0.05mm表示最小比标准尺寸短0.05mm，即这种零件的内径尺寸所允许的范围是49.95mm~50.05mm.答：标准尺寸为50mm，最大不超过标准尺寸0.05mm，符合要求的零件内径最小是49.95mm.21.解：如答图.（第21题答图）4＞2.5＞0＞﹣0.5＞112-＞﹣3．22.解：数轴表示如答图.（第22题答图）排序：﹣23＜﹣3.5＜0＜（﹣1）10＜（﹣2）2＜1|6|2-＜32.23.解：（1）如答图.（第23题答图）（2）C店离A店：1﹣（﹣2）=3km；（3）快递员一共行了：|1+|+|2|+|﹣5|+|2|=10km．24.解：（1）如答图.（第24题答图）（2）小明家与小刚家相距：4﹣（﹣3）=7（千米）；（3）这辆货车此次送货共耗油：（4+1.5+8.5+3）×1.5=25.5（升）．答：小明家与小刚家相距7千米，这辆货车此次送货共耗油25.5升．第二章单元检测卷（时间：60分钟满分：100分）一、选择题（共13小题，每小题3分，共39分）1.若∠AOB=45°，∠BOC=30°，则∠AOC 的度数是（）A.15°B.30°C.75°D.15°或75°2.∠A=60°，则∠A 的补角是()A.160°B.120°C.60°D.30°3.3°=（）A.180′B.18′C.30′D.3′4.利用一副三角板上已知度数的角，不能画出的角是（）A.15°B.100°C.165°D.135°5.下列说法正确的个数为（）①柱体的上、下两个面一样大；②圆柱的侧面展开图是长方形；③正方体有6个顶点；④圆锥有2个面，且都是曲面；⑤球仅由1个面围成，这个面是平面；⑥三棱柱有5个面，且都是平面．A.1B.2C.3D.46.如图，矩形ABCD ，AB=a ，BC=b ，a ＞b ；以AB 边为轴将矩形绕其旋转一周形成圆柱体甲，再以BC 边为轴将矩形绕其旋转一周形成圆柱体乙；记两个圆柱体的体积分别为V 甲、V 乙，侧面积分别为S 甲、S乙，则下列式子正确的是（）（第6题图）A.V甲＞V乙，S甲=S乙B.V甲＜V乙，S甲=S乙C.V甲=V乙，S甲=S乙D.V甲＞V乙，S甲＜S乙7.如图，把一个圆分成4个扇形，其中∠AOD=∠BOD=90°，∠AOC=3∠BOC，这四个扇形的面积比是（）（第7题图）A.1：2：2：3B.3：2：2：3C.1：2：2：1D.4：2：2：38.当钟表上的分针旋转120°时，时针旋转（）A.20°B.12°C.10°D.60°9.如图，在一密闭的圆柱形玻璃杯中装一半的水，水平放置时，水面的形状是（）（第9题图）A.圆B.长方形C.椭圆D.平行四边形10.已知一个角的余角比它的补角的还少10°，则这个角的度数是（）A.120°B.90°C.60°D.30°11.如图，点C、O、B在同一条直线上，∠AOB=90°，∠AOE=∠DOB，则下列结论：①∠EOD=90°；②∠COE=∠AOD；③∠COE=∠DOB；④∠COE+∠BOD=90°．其中正确的个数是（）（第11题图）A.1B.2C.3D.412.将下面的平面图形绕直线旋转一周，可以得到如图的立体图形的是（）（第12题图）A B C D13.把一个棱长为4分米的正方体木块削成一个最大的圆柱体，体积是（）立方分米．A.50.24B.100.48C.64D.47二、填空题（共9小题，每小题3分，共27分）14.如图，C是线段BD的中点，AD=3，AC=7，则AB的长等于________.（第14题图）15.如图，已知：∠AOB=70°，∠BOC=30°，OM平分∠AOC，则∠BOM=________．（第15题图）16.已知线段AB=16cm，点C在直线AB上，且AC=10cm，O为AB的中点，则线段OC的长度是________．17.钟表的时间为2时整，时针与分针所夹的角是________度．18.已知OA⊥OC，∠AOB:∠AOC=2:3，则∠BOC=________．19.已知∠α=34°，则∠α的补角为________°．20.（）°=________′=________″；32.81°=________°________′________″．21.有一个圆形钟面，在7点30分时，时针与分针所成角的大小为________.22.36.42°=________度________分________秒．23.如图，点O在直线AB上，∠AOD=90°，∠COE=90°，则图中相等的锐角有________对．（第23题图）三、解答题（共4小题，共34分）24.（6分）一个角的余角比它的补角的大15°，求这个角的度数．25.（8分）如图，已知线段AD＝6cm，线段AC＝BD＝4cm，E，F分别是线段的中点，求EF 的长度．（第25题图）26.（8分）计算：107°43′÷5+23°53′×3．27.（12分）从棱长为2的正方体毛坯的一角挖去一个棱长为1的小正方体，得到一个如图的零件，求：（第27题图）（1）这个零件的表面积（包括底面）；（2）这个零件的体积．参考答案一、 1.D 2.B 3.A 4.B 5.B 6.B7.A8.C9.B10.C11.C A12.A13.B二、14.1115.50°16.2cm或18cm17.6018.30°或150°19.14620.1；60；32；48；3621.45°22.36；25；1223.2三、24.解：设这个角的度数为x，则它的余角为（90°﹣x），补角为（180°﹣x）.依题意，得（90°﹣x）﹣（180°﹣x）=15°，解得x=40°．答：这个角是40°．25.解：∵AD＝6cm，AC＝BD＝4cm，∴AB＝AD－BD＝6－4＝2（cm），CD＝AD－AC＝6－4＝2（cm）.∵E、F分别是AB、CD的中点，∴AE＝AB＝×2＝1（cm），DF＝CD＝×2＝1（cm），∴EF＝AD－AE－DE＝6－1－1＝4（cm）.26.解：107°43′÷5+23°53′×3=21°32′36″+71°39′=93°11′36.27.解：（1）挖去一个棱长为1的小正方体，得到的图形与原图形表面积相等，则表面积是2×2×6=24；（2）23﹣13=8﹣1=7．第三章代数式单元测试（时间：60分钟满分：100分）一、单选题（共10题，共30分）1.下列代数式中符合书写要求的是（）A.ab2×4B.14xyC.212a2bD.6xy2÷32.若﹣2x+1=5y﹣2，则10y﹣（1﹣4x）的值是（）A.3B.5C.6D.73.已知x2﹣2x﹣5=0，则2x2﹣4x的值为（）A.-10B.10C.﹣2或10D.2或﹣104.下列各式符合代数式书写规范的是（）A.a8B.m﹣1元C.stD.25x5.若（x﹣1）3=a3x3+a2x2+a1x+a0，那么a3+a2+a1=（）A.1B.2C.3D.46.历史上，数学家欧拉最先把关于x的多项式用记号f（x）来表示，把x等于某数a时的多项式的值用f （a）来表示，例如x=﹣1时，多项式f（x）=x2+3x﹣5的值记为f（﹣1），那么f（﹣1）等于（）A.-7B.-9C.-3D.-17.如果a、b互为相反数，c、d互为倒数，m的绝对值是2，那么a+bm+m2﹣cd的值（）A.2B.3C.4D.不确定8.买一个足球需要m元，买一个篮球需要n元，则买4个足球、7个篮球共需要（）A.（4m+7n）元B.28mn元C.（7m+4n）元D.11mn元9.已知代数式x+2y的值是3，则代数式2x+4y+1的值是（）A.7B.4C.1D.不能确定10.已知代数式2x2+x﹣1=1，则6x2+3x=（）A.3B.﹣3C.6D.﹣6二、填空题（共8题，共24分）11.解释代数式3a（写出2个它可表示的实际意义）：________.12.若实数a满足a2+a=1，则﹣2a2﹣2a+2015=________.13.若a3﹣2a﹣3=0，则2a3﹣4a=________.14.叙述代数式a2﹣b2的实际意义：________．15.若a2﹣3a=4，则6a﹣2a2+8=_______.16.当x=﹣4时，代数式﹣2x+1的值为________.17.商店上月收入为a元，本月比上月的2倍还多8元，本月的收入为________元（用含a的式子表示）．18.若a2﹣3b﹣3=2，则6b﹣2a2+2016=________．三、解答题（共6题，共46分）19.（6分）已知x=1，求代数式3x+2的值．20.（6分）举例说明代数式（a+b）（a﹣b）表示的实际意义．21.（8分）某科技馆对学生参观实行优惠，个人票为每张6元，另有团体票可售，票价45元，每票最多限10人入馆参观．（1）如果参观的学生人数为36，至少应付多少元？（2）如果参观的学生人数为48，至少应付多少元？（3）如果参观的学生人数为一个两位数ab （a 表示十位上的数字，b 表示个位上的数字），用含a 、b 的代数式表示至少应付给科技馆的总金额．22.（8分）已知a ，b 互为相反数，c ，d 互为倒数，|m|=512，求﹣2a ﹣2b ﹣cd³+m 的值．23.（8分）若a 、b 互为相反数，c 、d 互为倒数，|m|=4，求代数式（a+b ）﹣dc+2cd ﹣m 2+ba 的值．24.（10分）若已知3234x y z===，求代数式3x+4y+6z 的值？参考答案与解析一、1、B【解析】A.ab2×4，正确的写法应为：4ab2，故本项错误；B.14xy为正确的写法，故本项正确．C.212a2b，正确写法应为52a2b，故本项错误．D.6xy2÷3，应化为最简形式，为2xy2，故本项错误．故选B．2、B【解析】由﹣2x+1=5y﹣2，得到2x+5y=3，则原式=10y﹣1+4x=2（2x+5y）﹣1=6﹣1=5，故选B.3、B【解析】∵x2﹣2x﹣5=0，∴x2﹣2x=5，∴2x2﹣4x=2（x2﹣2x）=2×5=10.即2x2﹣4x的值为10．4、C【解析】A、数字应写在前面，正确的书写形式为8a，故本选项错误；B、正确的书写形式为（m﹣1）元，故本选项错误；C、正确的书写形式，故本选项正确；D、正确的书写形式为75x，故本选项错误，故选C．5、A【解析】将x=1代入，得a3+a2+a1+a0=0①，将x=0代入，得a0=﹣1②.①﹣②，得a3+a2+a1=1．故选A．6、A【解析】根据题意，得f（﹣1）=1﹣3﹣5=﹣7．故选A．7、B【解析】∵a，b互为相反数，则a+b=0.又∵c，d互为倒数，则cd=1.又知m的绝对值是2，则m=±2，∴a+bm+m²−cd=4﹣1=3．故选B．8、A【解析】买4个足球、7个篮球共需要（4m+7n）元.故选A．9、A【解析】由题意，得x+2y=3，∴2x+4y+1=2（x+2y）+1=2×3+1=7．故选A．10、C【解析】∵2x2+x﹣1=1，即2x2+x=2，∴原式=3（2x2+x）=6，故选C.二、11、每支钢笔3元，买了a支钢笔所需的钱数；等边三角形的边长为a，它的周长是3a．【解析】答案不唯一．如，（1）每支钢笔3元，买了a支钢笔所需的钱数；（2）等边三角形的边长为a，它的周长是3a．12、2013【解析】∵a2+a=1，∴﹣2a2﹣2a+2015=﹣2（a2+a）+2015=﹣2×1+2015=﹣2+2015=2013.13、6【解析】∵a3﹣2a﹣3=0，∴a3﹣2a=3，∴2a3﹣4a=2（a3﹣2a）=2×3=6．14、边长分别为a、b的两个正方形的面积之差【解析】边长分别为a、b的两个正方形的面积之差（答案不唯一）．15、0【解析】∵a2﹣3a=4，∴原式=﹣2（a2﹣3a）+8=﹣8+8=0.16、9【解析】当x=﹣4时，原式=﹣2×（﹣4）+1=9.17、2a+8【解析】∵商店上月收入为a元，本月比上月的2倍还多8元，∴本月的收入为（2a+8）元.18、2006【解析】∵a2﹣3b﹣3=2，∴a2﹣3b=5，原式=﹣2（a2﹣3b）+2016=﹣10+2016=2006.三、19、解：当x=1时，3x+2=3×1+2=5，当x=1时，代数式3x+2的值是5．20、解：已知两个数a、b，求得两个数的和与差的积是（a+b）（a﹣b）．21、解：（1）若参观的学生人数为36，则应付费用3×45+6×6=171（元）.（2）参观的学生人数为48，如买4张团体，8张个人票，应付4×45+6×8=228（元），若买5张团体票，应付5×45=225＜228，∴至少付225元．（3）当0≤b≤7，且为整数时，至少应付（45a+6b ）元；当8≤b≤9，且为整数时，至少应付（45a+45）元．22、解：由题意，得a+b=0，cd=1，m=±512.当m=512时，原式=﹣2（a+b ）﹣cd ³+m=﹣13+512=112；当m=﹣512时，原式=﹣2（a+b ）﹣cd ³+m=﹣13﹣512=﹣34．23、解：∵a 、b 为相反数，且a≠0，∴a+b=0，ba=﹣1．∵cd 互为倒数，∴cd=1．∵|m|=4，∴m 2=16．∴原式=0﹣1+2×1﹣16+（﹣1）=0﹣1+2﹣16+（﹣1）=﹣16．24、解：∵3234x y z===，∴x=6，y=9，z=12，∴3x+4y+6z=3×6+4×9+6×12=126.第四章单元检测卷（时间：60分钟满分：100分）一、选择题（共12小题，每小题3分，共36分）1.下列合并同类项中，正确的是（）A.3x+2y=6xyB.2a 2+3a 3=5a 3C.3mn ﹣3nm=0D.7x ﹣5x=22.下列说法中，正确的是（）A.代数式一定是单项式B.单项式一定是代数式C.单项式x 的次数是0D.单项式﹣π2x 2y 2的次数是63.单项式4223a bc -的系数与次数分别是（）A.﹣2，6B.2，7C.23-，6D.23-，74.若﹣2x 2m y 3与2x 4y n 的和是单项式，那么m ﹣n 等于（）A.0B.1C.﹣1D.﹣25.化简(－4x ＋8)－3(4－5x)，可得下列哪一个结果？A.－16x －10B.－16x －4C.56x －40D.14x －106.在式子：35-ab ，225x y，2x y +，﹣a 2bc ，1，x 2﹣2x+3中，单项式个数为（）A.2B.3C.4D.57.已知一个单项式的系数是2，次数是3，则这个单项式可以是（）A.2y 3B.2xy 3C.﹣2xy 2D.3x 28.如果3a 7x b y+7和﹣7a 2﹣4yb 2x 是同类项，则x ，y 的值是（）A.x=﹣3，y=2B.x=2，y=﹣3C.x=﹣2，y=3D.x=3，y=﹣29.若﹣x 3y a 与x b y 是同类项，则a+b 的值为（）A.2B.3C.4D.510.下列运算正确的是（）A.5a ﹣3a=2B.2a+3b=5abC.﹣（a ﹣b ）=b+aD.2ab ﹣ba=ab11.下列单项式书写不正确的有（）①132a 2b ；②2x 1y 2；③232x -；④-1a 2b ．A.1个B.2个C.3个D.4个12.若代数式x 2y 3与﹣3x 2m y n+1的和是﹣2x 2y 3，则m+2n 的值是（）A.5B.4C.3D.2二、填空题（共10小题，每小题3分，共30分）13.在等式的括号内填上恰当的项，x 2﹣y 2+8y ﹣4=x 2﹣（________）．14.化简（x+y ）﹣（x ﹣y ）的结果是________.15.若﹣3x 3m y 3与2xy 3n 是同类项，则（m ﹣n ）2的值是________．16.若关于a ，b 的多项式3（a 2﹣2ab ﹣b 2）﹣（a 2+mab+2b 2）中不含有ab 项，则m=________．17.请你写出一个含有字母m ，n 的单项式，使它的系数为﹣2，次数为3．可列式为________．18.计算2a-（-1+2a ）=________.19.单项式212xy 的系数是________．20.如果33x m y 2与﹣x 3y n 是同类项，则n ﹣m=________．21.若多项式的一次项系数是﹣5，二次项系数是8，常数项是﹣2，且只含一个字母x ，请写出这个多项式________．22.甲、乙、丙三人拿出同样多的钱，合伙订购同种规格的若干件商品．商品买来后，甲、乙分别比丙多拿了12、9件商品，最后结算时，乙付给丙20元，那么甲应付给丙_______元．三、解答题（共4小题，共34分）23.（6分）写出下列各单项式的系数和次数．（1）﹣3x 2；（2）﹣m ；（3）258xy z-．24.（8分）已知﹣4xy n+1与452m x y 是同类项，求2m+n 的值．25.（10分）化简求值：5ab ﹣7a 2b 2﹣8ab+5a 2b 2﹣ab ，其中a=﹣2，b=12-．26.（10分）已知：A=2a 2+3ab ﹣2a ﹣1，B=﹣a 2+ab ﹣1（1）求4A ﹣（3A ﹣2B ）的值；（2）若A+2B 的值与a 的取值无关，求b 的值．参考答案一、1.C 2.B 3.D 4.C 5.D 6.C7.A8.B9.C10.D11.C12.A二、13.y2﹣8y+414.2y15.4916.-617.﹣2mn218.119.1220.﹣121.8x2﹣5x﹣222.50三、23.解：（1）﹣3x2的系数为﹣3，次数为2；（2）﹣m的系数为﹣1，次数为1；（3）258xy z的系数为$-\frac{5}{8}$，次数为4．24.解：由题意，得m=1，n+1=4，解得m=1，n=3．∴2m+n=5．25.解：原式=﹣4ab﹣2a2b2，当a=﹣2，b=﹣$\frac{1}{2}$时，原式=﹣4﹣2=﹣6.26.（1）解：4A﹣（3A﹣2B）=A+2B.∵A=2a2+3ab﹣2a﹣1，B=﹣a2+ab﹣1，∴原式=A+2B=2a2+3ab﹣2a﹣1+2（﹣a2+ab﹣1）=5ab﹣2a﹣3.（2）解：若A+2B的值与a的取值无关，则5ab﹣2a+1与a的取值无关，即（5b﹣2）a+1与a的取值无关，∴5b﹣2=0，解得b=2 5 .即b的值为25.第五章单元测试（时间：60分钟满分：100分）一、单选题（共10题，共30分）1.方程12m+13m=5-16m的解是()A、5B、10C、15D、302.儿子今年12岁，父亲今年39岁，（）父亲的年龄是儿子的年龄的4倍A、3年前B、3年后C、9年后D、不可能3.下列方程①x=4；②x-y=0；③2（y2-y）=2y2+4；④1x-2=0中，是一元一次方程的有（）A、1个B、2个C、3个D、4个4.解方程34(43x-1)=3，下列变形中，较简捷的是（）A、方程两边都乘4，得3（43x-1）=12B、去括号，得x-34=3C、两边同除以34，得43x-1=4D、整理，得4x-34=35.如图，是某月的日历表，在此日历表上可以用一个长方形圈出3×3个位置相邻的9个数（如6，7，8，13，14，15，20，21，22）。
英语七年级上冀教版单元测试Unit1、2练习(含答案)
英语七年级上冀教版单元测试Unit1、2练习(含答案) 一. 单项选择（10分）( ) 1. —May I get eraser, Mum?—Yes, you may.A. aB. anC. theD. /( ) 2. I can wear my favourite scarf that blue skirt.A. withB. inC. atD. of( ) 3. —My jacket is blue.—My jacket is , too.A. yellowB. pinkC. greenD. blue( ) 4. —Hey, Mary! What is your brother’s ?—Oh, it’s Tom.A. schoolB. numberC. nameD. colour( ) 5. The boy the cowboy hat is Alex. He is Canada.A. in; fromB. of; inC. for; forD. from; from( ) 6. It’s today. I need these gloves.A. warmB. fineC. coldD. beautiful( ) 7. —is that man in the black shirt?— He is my teacher Mr. Wang.A. WhereB. WhoC. WhatD. What about( ) 8. The blouse is just for me. I will take it.A. bigB. longC. smallD. right( ) 9. — Is that your dress, Wang Wei?—No, it isn’t. dress is over there.A. MineB. MyC. MeD. I( )10. —You look very nice in your Sari.—A. Not at all (不用谢).B. I am fine.C. Thank you.D. You’re welcome.二. 完形填空（10分）Hello! I’m Andy. I have a friend. 11name is Paul. Let me 12you something (某事) about him.He is a 13boy. He has short hair and two small eyes. 14is his favourtie colour. He is always 15black. He likes to wear jackets 16pants.He can 17English well and he likes to 18English books. After school, he often helps me with my English. He likes 19and we often play football on the playground. We have fun there. I hope(希望) we can be 20 friends forever (永远).( ) 11. A. My B. HisC. YourD. Her( ) 12. A. hear B. tellC. askD. know( ) 13. A. high B. longC. newD. tall( ) 14. A. Red B. WhiteC. BlackD. Yellow( ) 15. A. in B. aboutC. fromD. for( ) 16. A. because B. soC. andD. but( ) 17. A. listen B. speakC. sayD. talk( ) 18. A. read B. lookC. watchD. see( ) 19. A. trees B. coloursC. sportsD. songs( ) 20. A. favourite B. rightC. wellD. good三. 阅读理解（20分）ALet’s have a look at some students’ clothes in Class Five today.根据表格内容，选择最佳答案。