北京版九年级英语上册第七单元测试卷

北京版九年级英语上册第七单元测试卷班级：________姓名：________分数：________考试时间：90分钟满分：120分第一部分听力（共30分）Ⅰ.听对话，选择正确答案（每小题1.5分，共15分）1.Whatdoestheboythinkofthenewinvention?（________）A.It'suseless.B.It'samazing.C.It'sexpensive.2.Howlonghasthegirlhadtherobot?（________）A.Foraweek.B.Fortwoweeks.C.Foramonth.3.Whatcanthesmartwatchdo?（________）A.Makecalls.B.Cookmeals.C.Drivecars.4.Wheredidtheboyseethe3Dprinter?（________）A.Inamuseum.B.Inaschoollab.C.Inashoppingmall.5.Whydoesthegirlwanttobuyadrone?（________）A.Totakephotos.B.Todelivergoods.C.Toplaygames.6.Whatproblemdoesthemanhavewithhisnewphone?（________）A.Thescreenisbroken.B.Thebatteryrunsoutfast.C.Itcan'tconnecttoWiFi.7.WhenwillthenewAIspeakerbeonsale?（________）A.NextMonday.B.NextWednesday.C.NextFriday.8.Howmuchdidthewomanpayforhersmarthomesystem?（________）A.￥2000.B.￥3000.C.￥4000.9.Whatdoestheboyplantoinvent?（________）A.Afoldableumbrella.B.Aportablecharger.C.Aself-cleaningdesk.10.Whatdoesthegirlthinkoffuturetechnology?（________）A.Itwillmakelifeeasier.B.Itwillbringmoreproblems.C.Itwon'tchangeourlife.Ⅱ.听短文，选择正确答案（每小题1.5分，共15分）听第一篇短文，回答第11-15小题。11.Whatisthepassagemainlyabout?（________）A.Anewkindofrobot.B.Afamousinventor.C.Anewschool.12.Whatcantherobotdoforstudents?（________）A.Teachthemlessons.B.Cookfoodforthem.C.Drivethemtoschool.13.Howmanylanguagescantherobotspeak?（________）A.Three.B.Five.C.Seven.14.Whatcantherobotdowhenstudentsaretired?（________）A.Tellthemstories.B.Playgameswiththem.C.Letthemhavearest.15.Whereistherobotbeingusednow?（________）A.Inahospital.B.Inafactory.C.Insomeprimaryschools.听第二篇短文，回答第16-20小题。16.Whenwasthefirstcomputerinvented?（________）A.In1946.B.In1956.C.In1966.17.Howbigwasthefirstcomputer?（________）A.Asbigasadesk.B.Asbigasaroom.C.Asbigasacar.18.Whatcouldthefirstcomputerdo?（________）A.Playgames.B.Calculatefast.C.Sendemails.19.Howmuchdoesacommoncomputerweighnow?（________）A.Lessthan1kg.B.About5kg.C.Morethan10kg.20.Whatcanweknowfromthepassage?（________）A.Computersaregettingbiggerandbigger.B.Computersarebecomingmoreandmoreuseful.C.Thefirstcomputerwascheaperthannow.第二部分笔试（共90分）Ⅰ.单项选择（每小题1分，共15分）21.—Doyouknowwho________thelightbulb?—Edison,ofcourse.（________）A.inventedB.discoveredC.foundD.created22.Thiskindofsmartcameracan________people'sfacesandrecordtheiractions.（________）A.recognizeB.realizeC.remindD.receive23.—Willrobots________humansinallfieldsinthefuture?—Idon'tthinkso.（________）A.replaceB.takeC.makeD.get24.Thescientistshave________anewwaytodealwiththepollution.（________）A.comeupwithB.caughtupwithC.keptupwithD.putupwith25.—Howdoesthisappwork?—It________byusingthelatestAItechnology.（________）A.operatesB.isoperatedC.willoperateD.operated26.Myfather________anewcarlastmonth.Itcandrivebyitself.（________）A.buysB.boughtC.willbuyD.hasbought27.We________touse5GmobilephonesinmostcitiesinChinanow.（________）A.canB.couldC.areableD.wereable28.—I'mnotsure________thenewinventionwillbepopular.—Ithinkitwillbe.（________）A.thatB.ifC.whatD.why29.Themachine________sincelastweek.Itneedstoberepaired.（________）A.doesn'tworkB.didn'tworkC.hasn'tworkedD.won'twork30.You________followtheinstructionswhenusingtheelectrictool,oritmaybedangerous.（________）A.mustB.canC.mayD.might31.Thisisthesmartwatch________Iboughtformybrother'sbirthday.（________）A.whichB.whoC.whomD.whose32.—________greatprogresswe'vemadeintechnology!—Yes,ourlifehaschangedalot.（________）A.WhatB.WhataC.HowD.Howa33.Ifwe________moretimeonresearch,wewillmakemorenewinventions.（________）A.spendB.willspendC.spentD.arespending34.Alotoftrees________aroundthefactorylastyeartoreducepollution.（________）A.plantB.plantedC.areplantedD.wereplanted35.—Couldyoutellme________toimprovemyEnglishwithAI?—Sure.YoucanusesomeEnglishlearningapps.（________）A.howB.whatC.whenD.whereⅡ.完形填空（每小题1.5分，共15分）Technologyischangingourlifegreatly.Manynewinventionshavemadeourlifeeasierandmoreconvenient.Hereisastoryaboutaboyandanewinvention.Tomisamiddleschoolstudent.Helivesfarfromhisschool,sohehastotakeabuseveryday.Itusually36him40minutestogettoschool.Heoftenfeelstiredinclassbecauseofthelongtrip.Hisparentswereworriedabouthim.Oneday,Tom'sfatherboughtanew37—anelectricscooter(电动滑板车).Itissmallandlight.Tomcancarryiteasily.Thescooterhasabattery(电池)thatcanlastfor20kilometers.Itonlytakes2hoursto38thebattery.NowTomgoestoschoolbyelectricscootereveryday.Itonlytakeshim15minutestogettoschool.Heis39tiredinclassandhecanlistentotheteachercarefully.Theelectricscooterisverysafe.Ithaslightsandahorn(喇叭).Tomcanusethemtoremindotherswhenheisontheroad.Italsohasabrake(刹车)thatcanstopthescooter40.Tomlikeshisnewscooterverymuch.Hesaysitisthebestinventionforhim.Withthedevelopmentoftechnology,moreandmorenewinventionswillcomeintoourlife.Theywillmakeourlifebetter.36.A.spendsB.takesC.costsD.pays（________）37.A.inventionB.bookC.toyD.bag（________）38.A.buyB.sellC.chargeD.use（________）39.A.oftenB.alwaysC.sometimesD.never（________）40.A.quicklyB.slowlyC.quietlyD.loudly（________）Arobotnamed"Xiaoai"worksinarestaurantinShanghai.Itis411.2meterstall.Itcanservefoodanddrinkstocustomers.Whencustomerscomeintotherestaurant,Xiaoaiwillgreetthemand42themtotheirseats.Thenitwillgivethemthemenu.Aftercustomersorderfood,Xiaoaiwillsendtheordertothekitchen.Whenthefoodisready,itwillcarrythefoodtothecustomers'tables.Xiaoaicancarryupto5kilogramsoffoodatatime.Itcanalso43thedishesaftercustomersfinisheating.Xiaoaiisverysmart.ItcantalkwithcustomersinChineseandEnglish.Itcanalsoanswersomesimplequestions,like"What'sthespecialdishtoday?"or"Howmuchisthisdish?"ManycustomerslikeXiaoaibecauseitisvery44andnevergetstired.Itworks12hoursadaywithoutabreak.Theowneroftherestaurantsays,"Xiaoaihashelpedusalot.Ithasreducedourlaborcosts(劳动力成本)andimprovedourworkefficiency(效率).MoreandmorerestaurantswilluserobotslikeXiaoaiinthe45."41.A.onlyB.evenC.stillD.also（________）42.A.askB.leadC.followD.drive（________）43.A.washB.collectC.makeD.cook（________）44.A.lazyB.shyC.friendlyD.boring（________）45.A.pastB.presentC.futureD.morning（________）Ⅲ.阅读理解（每小题2分，共30分）A5GTechnology5Gisthefifthgenerationofmobilenetworktechnology.Ithasmanyadvantagescomparedwith4G.First,5Gismuchfasterthan4G.Thespeedof5Gcanreach10gigabitspersecond(每秒10吉比特).Itis100timesfasterthan4G.With5G,youcandownloada1GBmovieinjust1second.Butwith4G,ittakesabout10minutes.Second,5Ghaslowerlatency(延迟).Latencyisthetimeittakesfordatatotravelfromoneplacetoanother.Thelatencyof5Gisonly1millisecond(毫秒),while4G'slatencyisabout100milliseconds.Thisisveryimportantforapplicationslikeself-drivingcarsandremotesurgery(远程手术).Forexample,ifaself-drivingcarneedstostopsuddenly,5Gcansendthesignaltothecarin1millisecond,whichcanavoidaccidents.Third,5Gcanconnectmoredevicesatthesametime.4Gcanconnectabout1000devicespersquarekilometer,but5Gcanconnectupto1milliondevicespersquarekilometer.Thismakesitpossibletobuildsmartcities,wherealldevicesliketrafficlights,camerasandsmarthomesareconnectedtothenetwork.5Gisalreadybeingusedinmanycountries.InChina,5Gnetworkshavecoveredmostcities.Itischangingourlifeinmanyways,suchasentertainment,medicalcareandtransportation.Inthefuture,5Gwillbringmorechangestoourlife.根据短文内容，选择正确答案。46.Whatisthepassagemainlyabout?（________）A.Thehistoryof5G.B.Theadvantagesof5G.C.Theproblemsof5G.D.Thecostof5G.47.Howfastis5Gcomparedwith4G?（________）A.It's10timesfaster.B.It's50timesfaster.C.It's100timesfaster.D.It's1000timesfaster.48.Whatisthelatencyof5G?（________）A.1millisecond.B.10milliseconds.C.100milliseconds.D.1000milliseconds.49.Howmanydevicescan5Gconnectpersquarekilometer?（________）A.About1000.B.About10,000.C.About100,000.D.About1,000,000.50.WhichofthefollowingisNOTmentionedinthepassage?（________）A.5Gisusedinentertainment.B.5Gisusedinmedicalcare.C.5Gisusedineducation.D.5Gisusedintransportation.BTheHistoryoftheInternetTheInternetisoneofthegreatestinventionsinthe20thcentury.Ithaschangedthewaywelive,workandcommunicate.TheInternetwasfirstdevelopedinthe1960s.Atthattime,theUSgovernmentwantedtocreateanetworkthatcouldconnectdifferentcomputers.Thegoalwastomakesurethatifonecomputerwasdestroyedinawar,othercomputerscouldstillwork.In1969,thefirstnetwork,calledARPANET,wascreated.ItconnectedfouruniversitiesintheUS.Inthe1970s,moreandmorecomputerswereconnectedtoARPANET.ScientistsdevelopedasetofrulescalledTCP/IP,whichalloweddifferentcomputerstocommunicatewitheachother.ThiswasaveryimportantstepinthedevelopmentoftheInternet.Inthe1980s,theInternetbegantobeusedbyuniversitiesandresearchcenters.Peopleusedittoshareinformationanddoresearch.In1989,aBritishscientistnamedTimBerners-LeeinventedtheWorldWideWeb(WWW).ThismadeiteasierforpeopletousetheInternet.Theycouldusebrowsers(浏览器)tovisitwebsitesandreadinformation.Inthe1990s,theInternetbecameavailabletothepublic.Moreandmorepeoplebegantouseitathome.Companiesstartedtocreatewebsitestosellproductsandservices.Emailbecameapopularwaytocommunicate.Today,theInternetisanimportantpartofourlife.Wecanuseittoshoponline,watchmovies,listentomusic,studyandwork.Ithasconnectedtheworldtogether.根据短文内容，选择正确答案。51.WhenwasthefirstnetworkARPANETcreated?（________）A.Inthe1950s.B.Inthe1960s.C.Inthe1970s.D.Inthe1980s.52.WhatwasthegoalofcreatingARPANET?（________）A.Toconnectuniversities.B.Toshareinformation.C.Toavoidbeingdestroyedinawar.D.Tomakecommunicationeasier.53.WhoinventedtheWorldWideWeb?（________）A.AnAmericanscientist.B.ABritishscientist.C.AChinesescientist.D.AJapanesescientist.54.WhendidtheInternetbecomeavailabletothepublic?（________）A.Inthe1960s.B.Inthe1970s.C.Inthe1980s.D.Inthe1990s.55.WhatcanweNOTdowiththeInternettoday?（________）A.Shoponline.B.Traveltothemoon.C.Watchmovies.D.Studyonline.CAIinEducationArtificialIntelligence(AI)ischangingthefieldofeducation.Itisprovidingnewwaysforstudentstolearnandforteacherstoteach.OneofthewaysAIisusedineducationisthroughintelligenttutoringsystems(智能辅导系统).Thesesystemscanhelpstudentslearnattheirownpace.Forexample,ifastudentisweakinmath,thesystemcangivehimmoremathexercisesandexplaintheproblemsindifferentways.Ifthestudentunderstandstheproblem,thesystemwillmoveontothenexttopic.Thishelpsstudentslearnmoreeffectively.AIcanalsohelpteachers.Itcangradestudents'homeworkandtestsautomatically(自动地).Thissavesteachersalotoftime.Teacherscanusethistimetohelpstudentswhoneedmoreattention.AIcanalsoanalyze(分析)students'learningdataandtellteacherswhichtopicsstudentsarestrugglingwith.Thishelpsteachersadjust(调整)theirteachingplans.AnotherwayAIisusedineducationisthroughvirtualclassrooms(虚拟课堂).Studentscanattendclassesfromanywhereintheworld.Theycaninteractwithteachersandotherstudentsthroughvideocallsandonlinediscussions.Virtualclassroomsareespeciallyusefulforstudentswholiveinremoteareasorwhocan'tgotoschoolbecauseofillness.However,AIineducationalsohassomechallenges.Onechallengeisthecost.AIsystemsareexpensive,andnotallschoolscanaffordthem.Anotherchallengeisprivacy(隐私).AIsystemscollectalotofstudents'data,andthereisariskthatthisdatacouldbestolen.Finally,somepeopleworrythatAIwillreplaceteachers.ButmostexpertsbelievethatAIwillnotreplaceteachers.Instead,itwillhelpteachersdotheirjobsbetter.根据短文内容，选择正确答案。56.Whatisthepassagemainlyabout?（________）A.ThehistoryofAI.B.AIineducation.C.AIintransportation.D.ThefutureofAI.57.Howcanintelligenttutoringsystemshelpstudents?（________）A.Theycanteachstudentsallsubjects.B.Theycanhelpstudentslearnattheirownpace.C.Theycanreplaceteachers.D.Theycangivestudentsfreebooks.58.WhatcanAIdoforteachers?（________）A.Itcandoalltheworkforteachers.B.Itcangradehomeworkautomatically.C.Itcanteachstudentsmath.D.Itcancookforteachers.59.WhatisachallengeofAIineducation?（________）A.Itistooeasytouse.B.Itistoocheap.C.Ithasprivacyproblems.D.Itcan'thelpstudents.60.WhatdomostexpertsthinkaboutAIineducation?（________）A.AIwillreplaceteachers.B.AIwillnotreplaceteachers.C.AIisuselessineducation.D.AIistooexpensiveforeducation.Ⅳ.书面表达（共30分）假设你是李华，你的英国笔友Peter对中国的新科技很感兴趣，他来信询问你最喜欢的中国新科技产品是什么。请你给他写一封回信，