Unit 2 How often do you exercise- 单元测试(解析版)_第1页
Unit 2 How often do you exercise- 单元测试(解析版)_第2页
Unit 2 How often do you exercise- 单元测试(解析版)_第3页
Unit 2 How often do you exercise- 单元测试(解析版)_第4页
Unit 2 How often do you exercise- 单元测试(解析版)_第5页
已阅读5页,还剩9页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

Unit2Howoftendoyouexercise?

单元测试题

温馨提示:

本试卷共分第I卷和第H卷两部分,第I卷为选择题;第II卷为非选择题;满分为100分,考试时间

为100分钟。

第I卷选择题(60分)

一、单项选择(10分)

I.Weeatjunkfood,sowe,rehealthy.

A.alwaysB.usuallyC.oftenD.hardlyever

【答案】D

【解析】试题分析:句意:我们很少吃垃圾食品,因此我们是健康的。A.Always总是:B.Usually通常:

C.often经常:D.hardlyever几乎不。故选D。

2.一Howoftendoyougofishing?

A.TwiceaweekB.TwiceC.AweekD.Twotimes

【答案】A

【解析】句意:--你多久去钓鱼一次?-——周两次。A.Twiceaweek一周两次;B.Twice两次;C.Aweek

一周;D.Twolimes两次。Howofien多久一次,多长时间一次,询问频度的,结合句意和语境可知选A。

3.—Steve,_doyouplayfootballafterschool?

一Twiceaweek.Itcankeepmehealthy.

A.howfarB.howsoonC.howlongD.howoften

【答案】D

【解析】试题分析:句意:-史蒂夫,你多久踢一次球在放学后?-一周两次。那可以使我保持健康。A.how

far多远,一•般引导提问路程的特殊疑问句;B.howsoon多快,多久以后,对(从即时起)到将来某个时

刻间的时间长短提问,回答通常为in+一段时间:Chowlong多长时间,对从杲个时刻都另一时刻(各时

态皆可)问的时间长短提问,但后跟的谓语动词必须为延续性动词,回答为for+一段时间.也用作对长短

提问:D.howofien多少次,对某个时段内谓语动词发生的频率提问,答语为次数+一段时间(onceaday,

threetimesaweek等),也可用never、seldom等回答。根据回答“一周两次”可知应问动词发生的频率。故

选D。

4.一Wouldyoulikesomemorebread?

—No,thanks.I'm

AhungryB.fullC.busyD.thirsty

【答案】B

【解析】句意:——你还要些面包吗?一不,谢谢。我吃饱了。

考查形容词辨析。hungry饥饿的;full饱了,满的,忙的:busy忙的:thirsty口渴的。根据答句“No,thanks.”

可知是饱了,不要更多面包了。故选B。

5.—It'ssaidthatthebestwaytorelaxisexercise.

一1see.Butyoushouldkeepawaydangeroussports.

A.with;fromB.for:offC.through:fromD.through;by

【答案】C

【解析】考查介词.句意:一一据说最好的放松方式是通过锻炼.一我明白了.但是你应该远离危险的

运动.第一个空,表示"通过锻炼",用through.第二个空,keepawayfrom远离.

6.一DidLucyaskyouyourbike?Iknowherswasbroken.

…No.sheaskedmemyeatinghabits.

A.about,aboutB.about,forC.for,forD.for,about

【答案】D

【解析】句意:一一露西向你要你的自行车了吗?我知道她的自行车被偷了。一一没有,她问了我关于我

的饮食习惯的事。

7.isgoodtorelaxbywatchinggames.

A.ItB.ThisC.ThatD.He

【答案】A

【解析】试题分析:句意:通过观看比赛是一种很好的放松。It's+adj.todosth.做某事怎么样。结合句意

可知,答案为A。

8.junkfoodtastesverygood,itisn'thealthy.

A.Although,butB.Although,/C.But,althoughD.But/

【答案】B

【解析】句意:尽管垃圾食品品尝起来非常好,但是它不健康。

【详解】Although尽管,引导让步状语从句,不与but连用,结合句意,前半句表示尽管垃圾食品好,故

用连词Although,故选B«

9.Eatingvegetablesourhealth.

A.aregoodforB.isgoodforC.aregoodatD.isgoodat

【答案】B

【解析】句意:吃蔬菜有利于我们的健康。

begoodfor有利于,begoodal擅长。结合句意,吃蔬菜有利于健康。主语ealingvegetables是动名词,看

成一个整体,谓语用第三人称单数,故选B。

10.It'srainingandpeoplecangoout.

A.hardly»hardB.hard,hardlyC.hard,hardD.hardly,hardly

【答案】B

【解析】根据h'sraining正在下雨,这里缺少一个副词修饰动词下雨,故用hard严重地,猛力地,结合选

项,推测意思是雨下得很大,人们儿乎不能外出,第二空故用副词hardly几乎不,故选B猛力地,几乎不

二、完形填空(10分)

Itisveryimportanttostayhealthy.Ihaveaneighbor.Sheisanoldlady.Shecandoallthehousework,

11newspapers,watchTVandsearchontheInternettolearnsomethingnew.Ioftensee12

doTaijiquaninthemorninganddanceintheevening.Shelooksyoungandbeautiful13sheisover

seventy.Lastweekareporterfromamagazineinterviewedherandasked14shekeptsoyoungand

healthy.Sherepliedwithasmile:

Ihaveasecretofstayingyoungandhealthy.Itisquite15Keepyourmindactive,(akcan

interestinthework!16you.andIcaniatleastonenewthingeveryday.Try(ododifferentkindsof

houseworkanddosportsas17youcan.Don'tthinkyouaretoooldtogobackto18.I

knowamanwhoenteredamedicalcollegewhenhewas70yearsold.Hestudiedtherefor6yearsandnowheis

adoctor.Anothermanwenttoatennisschoolattheageof71andnowheisgoodat19tennis.Some

peoplemaysaystayingyoungiseasyonlyforthosewholiveinihefuture.Infact,nomatterhowoldyouare,you

canmakeit.

Pleasetellthestorytoyourfamily.Itwouldbeagoodstartto210thelady'sexample.1hope

allthepeoplewillstayyoungandhealthy.

11.A.lookB.readC.seeD.watch

12.A.herB.himC.otherD.others

13.A.thanB.sinceC.thoughD.because

表示尽量常锻炼。故选D。

18.句意:不要认为你太老了,回不了学校了。

考查名词。A.place地方:B.song歌曲:C.school学校:D.dance跳舞。gobackto…表示回到...根据下

文提示可知是有关学校的事,故选school。故选C。

19.句意:另一个人在71岁的时候去了网球学校,现在他很擅长打网球。

考查固定短语。buying买:losing失去;sending邮寄;playing打,玩。begoodatdoingsth表示擅长做某

事,或在某些方面做的比较好。根据空格后的tennis可知,这里指打网球。故选D。

20.句意:以这位女士为榜样是个好的开始。

考查动词。follow跟随,效仿;give给;make制作;bring带来。follow表示效仿之意。故选A。

三、阅读理解。(每题2分,共40分)

A

Havinganexerciseplanisimportant,butyoushouldalwaysaskyourdoctorforadvicebeforestartingit.Keep

inmindthatyoucanhavetoomuchofagoodthing:oveiexercisingandexercisinginawrongwaycanhurtyour

body.Thefollowingsuggestionscanhelpyouavoid(避免)(his.

Warmupbeforeexercise.Thishelpstoprepareyourbodyforactivities.It'sespeciallyimportantinthemorning.

Cooldownafterexercise.Ratherthanstopimmediately,doafewlightactivitiestoavoidachesandpainslater.

Exercisewithyourlimits(极限).Buildtpslowly.Nevertrytoexercisewhenyoufeelpainful.Ifyoudon'tlisterto

yourbody,youwillhurtyourself.

Avoidbeingthirsty.Waterisimportanttokeepyournomialtemperatureduringexerciseandprevent(预防)

tiredness.

Wearsportsshoes.Theseshoescankeepyourfeetsafeandpreventyoufrombeinghurt.

21.Thewritergivesussuggestionsinthepassage.

A.threeB.fourC.fiveD.six

22.Beforeyoustartyourexerciseplan,youshould.

A.makeupthesesuggestionsB.askyourdoctortoradvice

C.findyourhealthproblemsD.haveacarefulhealthexam

23.isespeciallyimportantbeforeexerciseinthemorning.

A.WarmingupourbodyB.Coolingourbodydown

C.DrinkingenoughwaterD.Puttingonsportsshoes

24.Thethirdsuggestioncanhelpusto.

A.prepareforouractivitiesB.avoidachesorpainslater

C.keepnormaltemperatureD.avoidhurtingourselves

25.Thispassagemainlytellsus.

A.towarmupbeforeexerciseB.howtokeephealthy

C.howtoexerciseinarightwayD.nottoexercisetoomuch

【答案】21.C22.B23.A24.D25.C

【解析】本文介绍了用正确方法锻炼的建议:锻炼前要热身;锻炼后冷静下来:在极限内锻炼;避免口渴;

穿运动鞋。

21.挂理判断题。根据Warmupbeforeexercise.u锻炼前要热身”:Cooldownafterexercise.“锻炼后冷静下

来";Exercisewithyourlimits(极限)."在极限内锻炼";Avoidbeingthirsty."避免口渴";Wearsports

shoes.“穿运动鞋”,因此推断一共有玉条建议,故选C。

22.细节理解题。根据Havinganexerciseplanisimportant,butyoushouldalwaysaskyourdoctorforadvicebefore

startingit.可知在开始锻炼计划之前,你应该向医生寻求建议,故选B。

23.细节理解题。根据Warmupbeforeexercise.Thishelpstoprepareyourbodyforactivities.It'sespecially

importantinthemorning.可知早上锻炼之前,重要的是要先热身,故选A.

24.推理判断题。根据Exercisewithyourlimits(极限).Buildupslowly.Nevertrytoexercisewhenyoufeelpainful.

Ifyoudon'tlistentoyourbody,youwillhurtyourself.可知要在极限内锻炼,因此表示不要让自己受伤,故选

25.概括归纳题。根据Keepinmindthatyoucanhavetoomuchofagoodthing:overexercisingandexercisingin

awrongwaycanhurtyourbody.Thefollowingsuggestionscanhelpyouavoid(避免)Ihis.可知本文主要介绍了

如何用正确的方式来锻炼,故选C。

B

AspeopleinChinaarepayingmoreandmoreattentiontochildren'shealth,ihegovernmenIiscarrjingout

newprogramstoimprovethehealthlevelofstudents.LastDecember,theBeijingMunicipalEducation

Commissionmadegreatchangestophysicaleducationinthiscity.

ThecommissionnowhasmoreprogressassessmentsforP.E.classesinthehopethatchildrenwillstart

physicalexerciseatanearlierageanddoitmoreoften.StudentsalsohavemorechoicesfortheirfinalP.E.exams.

Theycanchoosefoursportsfromalistof22,includingrunning,tabletennis,badminton,andswimming.14

sportsnewlyjoinedinthelist.Theconmissionalsoprovidesmiddleschoolstudentswithonlineclassesafter

schcol.

Manypeoplewelcomethechangeswithopenarms.ZhangFan,afatherofaschool-agechildsaid,“Many

childreninourcountryhaveoverweightandobesity(肥胖)problems,ardoneofthemainreasonsis(hatthey

spendverylittletimeonphysicalactivities.Ihopemysonwillhavemoretimeforphysicalactivitiesatschool.n

Accordingtoareport,theovenveightandobesityrateofChineseprimaryandmiddleschoolstudents

increased(增加)by8.7percentfrom2010to2019.In2019,theoverweightandobesityrateofprimaryschool

studentswas26.2percent,whileitwas23.1percentformiddleschoolstudentsand21percentforhighschool

students.Sincethegovernmentistakingactiontoimprovechildren'shcal:hlevels,thesituationwilltakeaturn

fbrthebetter.Let'slookforwardtoahealthierfuturefbrallChinesestudents.

26.WhendidtheBeijingMunicipalEducationCommissionmakegreatchangestophysicaleducation?

A.Lastspring.B.Lastsummer.C.Lastautumn.D.Lastwinter.

27.Wecanknow(hefollowingthingsfromthesecondparagraphEXCEPT.

A.Studentsarenowabletotakebothonlineclassesandonlineexamsatschool.

B.I4spoilsnewlyjoinedthelist,sos:udentshavemorechoicesfortheirfinalP.E.exams.

C.Studentscanchooserunning,tabletennis,badminton,swimmingardother18sportsfortheirfinalP.E.

exams.

D.BeijingMunicipalEducationCommissionhopestoencouragechildrentostartphysicalexerciseatanearlier

ageandexercisemoreoften.

28.WhydoesZhangFanwelcomethechangesinP.E.classesandexams?

A.Becausehissonlovestodophysicalactivities.

B.Becausehelikestotakeexerciseverymuchhimself.

C.Becausehewantshissontospendlesstimeonphysicalactivities.

D.Becausehehopesthathissoncanspendmoretimeexercisingandwon'tgetfat.

29.AftermakingthechangesinPhysicalEtlucation,wccaninfer(推断)that.

A.moreandmorechildrenwillgetfat

B.allChinesestudentsarcsuretohaveahealthierfuture

C.theoverweightandobesityratemaynotincreaseasfastasbefore

D.theoverweightandobesityratewillkeepincreasingsofastinthefuture

30.What'sthebesttitleofthepassage9

A.P.E.ClassesinChinaB.MoreChoices,MoreClasses

C.ChangesinChina^PhysicalEducationD.TheProblemsofOverweightandObesity

【答案】DADCC

【解析】本文主要讲述了中国为了提升学生的健康水平而对体育教育进行一些改革-体育教育的改革让学

生肥胖这一情况得到好转。

26.细节理解题。根据文章第一段最后一句"LasiDecember,theBeijingMunicipalEducationCommissionmade

greatchangestophysicaleducationinthiscity.”可知,去年12月,北京市教委对本市体育教育进行了重大改

革。故选D。

27.细节理解题。根据文章第二段最后一句"Thecommissionalsoprovidesmiddleschoolstudentswithonline

classesaRerschool.”可知委员会还为中学生提供课后在线课程,并没有提供考试,A项表述错误。故选A。

28.准理判断题。根据第三段最后两句"Manychildreninourcountryhaveoverweightandobesityproblems,and

oneofthemainreasonsisthattheyspendverylittletimeonphysicalactivities.Ihopemysonwillhavemore

timeforphysicalactivitiesatschool.”可推知张凡希望他儿子能有更多的时间锻炼身体,这样他儿子就不容易

变胖。故选D。

29.推理判断题。根据文章最后一段倒数第二句"Sincethegovernmentistakingactiontoimprovechildren's

healthlevels,thesituationwilltakeaturnfbrthebetter."可知,体育教育改革后,这一情况得到好转,也就是

说学生的肥胖率增长变缓。故选C。

30.最佳标题题。通读全文可知文章主要讲述了中国在体育教育方面作出的一些改革以及成效,C项表示

“中国体育教育的变化”,符合文意。故选C。

C

Almosteveiyday,wediscussthetopicofhealth,especiallyfbrkids.Butwhatishealth?”Health"means

eatingwell,gettingenoughexercise,andhavingahealthyweight.Let'sreadthefollowingniles.Theycanhelp

youstayhealthy.

1.Eatavarietyoffood,especiallyfruitandvegetables.Weallknowthateatingfruitandvegetablescan

helpusstayhealthy,butmanyofusonlyeatourfavoritefood.Rememberthatwccanonlygetthenulrition(营养)

weneedbyeatingdifferentkindsoffood,especiallyfruitandvegetables.

2.Drinkwaterandmilkmostoften.Everyoneknows(hatwaterisimportant.Besidesthat,kidsneed

plentyofcalcium(钙)togrowstrongbones,andmilkisrichinit.Everyday,youshoulddrinkatleastthreecups

ofirilk,whenyouare9yearsoldorolder.Youshouldalsotrytohavelesssugarydrinks,likesodaandcoca.

Theyincludealotofsugar.Sugaronlyincludescalories(热量),notimportantnutrition.

3.Listentoyourbody.Whenyouareeating,noticehowyourbodyfeels.Whenyourstomachfeels

comfortablyfull,stopeating.Eatingtoomuchmakesyoufeeluncomfortable.Ifyoudoittoooften,itcanmake

youunhealthyandfat.

4.Limitscreentime.What'sscreentime?IfstheamountoftimeyouspendwatchingTV,moviesand

playingcomputergames.Themoretimeyouspendonthesesitting-downactivities,thelesstimeyouspend

playingsports,likebasketball,anddoingotheractivitieslikeridingandswimming.Trytospendnomorethan2

hoursadayonscreentime.

31.Inthispassage,Clhealth^^includesallofthefollowingEXCEPT.

A.eatingwellB.doingmoreexercise

C.havingahealthyweightD.wearingcomfortableclothes

32.Theunderlinedphrase“avarietyof?means.

A.plentyofB.allkindsofC.therestofD.alotof

33.WhichofthefollowingisNOTtrue0

A.Eatingmorefruitandvegetablesisgoodforpeople.

B.Weshouldeatanddrinkthingswithlittlesugar.

C.Weshouldspendthesametimeonbothsitting-downactivitiesandsports.

D.Whenwearefull,weshouldstopeating,nomatterhowdeliciousthefoodis.

34.Screentimeisthetimethatyouspend

A.playingcomputergamesB.watchingmovies

C.watchingTVD.Allofabove

35.What'sthemainideaofthepassage9

A.Howtoeathealthyfood.B.Eatingandplayingarebothimportant

C.Suggestionsforstayinghealthy.D.Healthisveryimporiani.

【答案】31.D32.B33.C34.D35.C

【解析】试题分析:短文大意:这篇短文主要谈论了健康问题,并给我们提出了如何才能保持健康的几点

建议。

31.细仙埋解题。根据“Health”meanseatingwell,gettingenoughexercise,andhavingahealthyweight.描述,

可知健康包括吃得好,多锻炼和有一个健康的体重。不包括选项D,穿舒适的衣服。

32.词义猜测题。联系下文可知此处含义是,吃各种食物,故选B,各种各样的。

33.细节理解题。根据Themoretimeyouspendonthesesitting-downactivities,(helesstimeyouspendplayng

sports,likebasketball,anddoingotheractivitieslikeridingandswimming.Trytospendnomorethan2hoursa

dayonscreentime,描述,可知我们花在坐着的活动上的时间一天不能超过两小时。故选C,无论是坐着的

活动还是体育运动,我们都应该花费相同的时间。

34.细节理解题。根据What'sscreentime?It'stheamountoftimeyouspendwatchingTV,moviesandplaying

computergames.描述,可知荧屏时间指的是,你玩电脑,看电影和看电视的时间,故选D。

35主旨大意题。根据Let'sreadthefcllowingrules.Theycanhelpyouslayhealthy.及下文描述,可知本文主

要是告诉了我们如何保持健康。故选C。

D

LIFEWuhanDailyMay22nd,2021

Thestepcountapp.(计步app)

中-

Photoprowfla^UGG

Tbkeephealthy,manypeoplegotDworkonfoot.Whentheystartwalking,theyopenthestepcountappin

theirphones(orecord(记录)howmanystepstheywalkthatday.Afteraday'swalk,somepeopleshowthe

numberonWeChatorWeibo.Thiscanmakethemlearnfromeachotherandkeepexercising.Areporter

interviewed(采访)somepeople.

“Thishelpsmetoexercisemuchandkeepagoodhabit,“MissLiusaid."Wealsohaveagrouptoencourage

eachothertokeepexercising.”

Mr.Wulikestoexercise.Butinthepasthewaskindoflazy."AfterIusetheapp,everythingisdifferent.It?s

greattoexercisewithmy什iends."hesaid.

Walkingisarelaxingandusefulwaytoexercise.Boththeoldandihcyounglikeit.Recordingthesteps

helpspeopledevelop(培养)goodhabitofwalkingandshowingthenumbercanmakepeoplemoreinterestedin

walking.Butdon'ttakethenumbertooseriously(别太当真).

36.Accordingtothenews,Wecanknowthat,

A.thephotowasprovidedbyWuhanDaily.

B.thenewsabovecomesfromLIFEsection

C.thenews“Thestepcountapp."wasreportedbyMr.Wu

D.thereporterinterviewedsomepeopleonMay22nd.2021

37.WhatdoesMiss.Liuthinkofagrouptoexercise?

A.Ithelpsthemlearnfromeachother.B.1(makes(hernworkevenharder.

C.Itencourageseachothertokeepexercising.D.Ithelpsthemchatwitheachother.

38.Whatdocs(hewriterthinkofshowingthenumberofsteps?

A.ItcanmakepeopleshowoffonV/eChat.

B.Itcanhelppeoplewalkinsteadofdriving.

C.Itcanmakepeoplemoreinterestedinwalking.

D.Itcanhelppeoplechangeinmanyways.

39.Wecanknowfromthenewsthat.

A.MissLiuwaskindoflazyinthepastB.Mr.Wuhatestoexercise

C.ThestepcountappisbadforyourhealthD.Manypeoplegotoworkonfoot(okeephealthy

40.Thenewsmainly(主要地)tellsus.

A.thestepapphelpsusdevelopahabitofwalking

B.peopleareusingtheapptorecordtheirstepnumber

C.it'sgreattoexercisewithfriendsinagroup

D.lazypeoplewillchangeafterusingtheapp

【答案】BCCDA

【解析】本文是一篇新闻报道,介绍了“•步app帮助人们养成了走路锻炼的习惯。

36.细节理解题。根据文章左上角“LIFE”可知,该新闻来自于生活版块。故选B。

37.细节理解题。根据刘小姐说的“Wealsohaveagroupioencourageeachothertokeepexercising.”可知,她

认为组队锻炼能够鼓励彼此坚持锻炼。故选C。

38.细节理解题。根据"showingthenumbercanmakepeoplemoreinterestedinwalking”可知,显示出步数能

够让人们对走路感兴趣。故选C。

39.细节理解即。根据“Tokeephealthy,manypeoplegotoworkonfoot.”可知,许多人为了健康步行上班。

故选D。

40.主旨大意题。根据“Recordingthestepshelpspeopledevelop(培养)goodhabitofwalking”并结合全文内容

可知,该新闻主要介绍了计步app帮助人们养成走路锻炼的习惯。故选A。

第2卷非选择题(共40分)

第一节、词汇运用(10分)

A、根据括号提示或首字母完成单词(5分)

1.Thiscupisfofjuice.

2.Ithinkdoingsportsisgoodforourh.

3.Asheisachild,sheknowsquitealot.

4.Inourschooleightypofthestudentslikeplayingcomputergames.

5.Germscangetintohumanbodiesttheskin.

【答案】1.full2.health3.Although4.percent5.through

B完成句子。(5分)

I.她至少吃了两碗面条。

Sheatetwobowlsofnoodles.

【答案】atleast

2.每年它要接待超过75万的游客。

Everyyearitreceives750.000visitors.

【答案】morethan

3.我有许多爱好,例如游泳、画画和踢足球。

Ihavemanyhobbies,___________________swimming,drawingandplayingsoccer.

t答案】suchas

4,你多久同你的朋友一起去购物一次?

doyouwithyourfriends?

【答案】Howoftengoshopping

5.迈克的表弟几乎从不做锻炼。

Mike'scousindoesexercise.

【答案】hardlyever

第二节、语法填空(10分)(共10小题,每小题1分)

阅读下面短文,在空白处填入一个适当的单词或括号内单词的正确形式。

Twofriendswerehavinganadvenlure(历险).Theywerewalking(I)adesert(沙漠).Theyhad

(2)fight,andthetallerfriendhittheshorterone.Theshorteronewashurt,butwithout(3)

(say)anything,hejustwroteinthesand"Todaymybestfriendhitme."Theywenton(4)(walk)until

theyfoundanoasis(绿洲),wheretheydecided(5)(take)abath.Suddenly,theshorteronefellinto:he

riverandstartedsinkingdown,butthetalleronesavedhim.Afterhe(6)(get)outoftheriver,hewrote

onastone,“Todaymy(7)(good)friendsavedmylife.''Thefriendwhohitand(8)(save)

hisbestfriendaskedhim,“AfterIhurtyau,youwroteinthesandandnowyouwriteonastone.Why?”Theshorter

onereplied“Whensomeonehurtsus,w

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论