八年级英语下册unit4阶段能力训练（lessons19_21）冀教版 4页

冀教版八年级英语下册Unit4阶段能力训练（Lessons19—21）Ⅰ.完形填空Thecomputerisaverywonderfulmachine,anditisso__1__todaythatitseemswe__2__liveorworkwithoutit.Computersareusedinmany__3__—inoffices,infactories,inbigshops,atschools,andevenathome.Withthecomputer,peoplearelivingabetter__4__.Thecomputerisoneofthegreatestinventionsinthe__5__century.ThefirstcomputerwasbuiltinAmericawhichwasnamedEninc,anditwasnotonlyvery__6__，butalsoquiteheavy.Itwasasbigastworooms!Butthecomputerisdevelopingveryfast.Todaytheyarebecomingsmallerandsmaller,lighterandlighter,and__7__fasterandfaster.Therearesomanykindsofdifferentcomputersinthemarketthatyoucaneasilychooseonethatyoulikebest.Asthecomputercandoalotofthingsforpeople,ithelpsuslearnabouttherealworld.Withthecomputer,youcan__8__anemailjustinafewsecondstoyourfriendorreceiveyour__9__.Nowyoucanseethecomputerreallygivesusaverynicepictureabouttheworldoftomorrow.Soasstudentsinthe21stcentury,wehavetoworkhardandlearnhowto__10__thecomputerverywell.Don'tyouthinkso?()1.A.beautifulB．interestingC．popularD．enjoyable()2.A.canB．cannotC．mustD．mustn't()3.A.roadsB．streetsC．crossingsD．places()4.A.lifeB．friendC．familyD．country()5.A.18thB．19thC．20thD．21stn()6.A.usefulB．largeC．smallD．cheap()7.A.studyingB．teachingC．walkingD．working()8.A.giveB．takeC．postD．send()9.A.letterB．bookC．helpD．message()10.A.getB．useC．readD．writeⅡ.阅读理解TheInternetisbecomingimportantinourdailylife.Howmuchdoyouknowaboutit?WhatistheInternet?TheInternetisalarge,worldwidecollectionofcomputernetworks.Anetworkisasmallgroupofcomputersputtogether.TheInternetisacollectionofmanydifferentnetworksfromallovertheworld.ThesenetworksarecalledtheInternet.OnceyouhavelearnedtousetheInternet,youcanhavealotofinterestontheWorldWideWeb.WhatistheWorldWideWeb?TheWorldWideWebhasbeenthemostpopulardevelopmentoftheInternet.TheWebislikeabigelectronicbookwithmillionsofpages.Thesepagesarecalledhomepages.Youcanfindinformationaboutalmostanythingintheworldonthesepages.Forexample,youcanusetheInternetinsteadofalibrarytofindinformationforyourhomework.Youcanalsofindinformationaboutyourfavouritesportorfilmstar,talktoyourfriendsorevendosomeshoppingonthepages.Mostpageshavewords,picturesandevensoundormusic.Whatisemail?Electronicmail(Email)isawayofsendingmessagestootherpeople.It'smuchquickerandcheaperthansendingaletter.Ifyouwanttouseemail,youmusthaveanemailaddress.Thisaddressmusthavelettersanddotsandan“@”(meaning“at”).Thisiswhatanaddresslookslike:nemail@star.net.Writeamessage,typeintheperson'semailaddress,andthensendthemessageacrosstheInternet.Peopledon'tneedtousestamps,envelopesorgotothepostofficesincetheinventionoftheInternet.Quick,easyandinteresting,that'stheInternet!()1.TheInternetis________．A．abigcomputerB．asmallgroupofcomputersC．lotsofcomputernetworksD．theWorldWideWeb()2.TheWorldWideWebislike________．A．anelectronicbookB．homepagesC．anelectronicpageD．aninterestingpicture()3.Peopleliketouseemailtosendmessagestotheirfriendsandfamilybecause________．A．theydon'thavetopayanymoneyB．it'sfasterandcheaperC．theydon'tneedtohavestamps,envelopesoraddressesD．sendingamailisinterestingnⅠ.1.C2.B3.D4.A5.C6．B由第二段最后一句“Itwasasbigastworooms！”可知选B。7．D8.D9.D10.BⅡ.1.C由短文第二段第三句和第四句“TheInternetismanydifferentnetworksfromallovertheworld.ThesenetworksarecalledtheInternet.”可知选C。2．A由短文第三段第二句“TheWebislikeabigelectronicbookwithmillionsofpages.”可知选A。3．B