Unit 10 单元测试卷（一）-2025-2026学年八年级英语下册（仁爱科普版）

Unit10单元测试卷(一)

(Listening&Speaking—ThemeReading)

听力部分(20分)

听力理解(20小题，每小题1分，共20分)

第听五个句子，选择最佳答语。每个句子听一遍。

()1.A.Yes,Ido.B.Yes,Idid.C.Yes,Iwas.

()2.A.Useful.B.Excited.C.Idon'tagree.

()3.A.Sure.B.ThafsOK.C.Itdoesn'tmatter.

()4.A.Thankyou.B.You'rewrong.C.That'strue.

()5.A.It'sdangerous.B.Howamazing!C.Tmsorrytohearthat.

第一”卜面你将听到5段短对话。根据所听到的内容，从每小题中选出回答问题的最

佳选项。每段对话听两遍。

()6.A./dres/.B./'aedv3:b/.C./a'dres/.

()7.A.In1980.B.In1918.C.Inthe1980s.

()8.A.Playchess.B.Listentomusic.C.Searchformaterials.

()9.A.20minutes.B.Onehour.C.Twohours.

()10.A.Fishing.B.Watchingmovies.C.Downloadinganapp.

下面你将听到两段长对话。根据所听到的内容，从每小题中选出回答问题的最佳选项。

每段对话听两遍。

听第一段长对话，回答第11至12小题。

()11.Whatdoesthemanusuallydoontheinternet?

A.Heoftenwatchesvideos.

B.Heoftenchatswithfriends.

C.Heoftendownloadspictures.

()12.Howdothetwospeakersbothusetheinternettostudy?

第1页共20页

A.Bytakingonlinecourses.

B.Bysearchingforanswerstohomework.

C.Bylookingupnewwordsinonlinedictionaries.

听第二段长对话，回答第13至15小题。

()13.Whatdothespeakerspreparematerialsfor?

A.TheEnglishclass.B.Theeveningparty.C.Theclassmeeting.

()14.Whatkindofmaterialswillthespeakersdownload?

A.Thefreeones.B.Thecheapones.C.Theexpensiveones.

()15.Whenwillthespeakersfinishthetask?

A.OnMonday.B.BeforenextMonday.C.AfternextMonday.

第三节你将听到一篇关于规则的短文。请用你所听到的内容，填写表格中所缺单词，

每空限填一个词或一个数字。短文读两遍。

FamilyInternetRules

PurposeTokeep16andbalancestudies.

•Goonlineafterfinishinghomework.Onehouronschooldays,17hours

onweekends.

Details

•Don'tvisitunknownwebsites.Ask18firstifyouwanttotryanewsite.

•Tellparentsrightawayifastranger19toyouonline.

ConclusionParentswantchildrentousetheinternet20.

16.17.18.19.2().

笔试部分（100分）

二、语法选择(10小题，每小题I分，共10分)

根据短文内容，从A、B、C三个选项中选出一个语法正确的答案。

TheInternet:ASuperHighwayinLight

Wecanthinkoftheinternetasasuper-fasthighway.Butinstead21cars,itcarries

information.Thishighwayisn'tmadeofasphalt(沥青)一it22aspulsesoflight(脉冲光)

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throughcables(电缆)underthegroundorevenundertheocean.

Howdoesyourmessagereachafriendfaraway?It'slikesendingapackage.First,yourdevice

(装置)makesyourwordsorpicturesintoa“package”.Then,itneeds23address.That'swhat

anIPaddressis—aunique(独——无二的)stringofnumbersthattells24thepackageshouldgo.

Next,a''delivery(快递)person^^calledarouter(路由器)25withthedelivery.Therouter

readstheaddressanddecidesthe26waytosendthepackage,justlikeamailcarrierchoosing

aroute.27yourphoneorlaptopisconnectedtoWi-Fi,thepackagecantravelthroughtheair

totherouter—nocablesneeded.

Wi-Fiislikeamagicbridgeinyourhome.Itletsyourdevicestalktotherouterwithoutcables

28.Soyoucansitonthesofaandstillsenda29.Butremember,thismagicbridgehas

limits-ifyoustaytoofarfromtherouter,thesignalwillgetweak,likeavoicefadingaway.

Yourmessageistravelingonahighwayoflight,withIPaddressesasmapsandroutersashelpful

guides,connectingpeopleacrosstheworldin3().Sonexttimeyousendamessage,thinkabout

thisamazingjourney,smile.

()21.A.ofB.forC.out

()22.A.travelB.traveledC.travels

()23.A.aB.anC.the

()24.A.whoB.whereC.which

()25.A.helpsB.helpedC.willhelp

()26.A.goodB.betterC.best

()27.A.IfB.ButC.Though

()28.A.lessquicklyB.quicklyC.mostquickly

()29.A.messageB.messagesC.messages?

()30.A.secondB.secondsC.second's

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三、完形填空(10小题，每小题I分，共10分)

先通读原文，掌握其大意，然后从A、B、C、D四个选项中选出一个可以填入相应空白

处的最佳选项。

Doyouknowthecomputernetworkfirewall?That'sme.Iamyour31guardwhoworks

dayandnighttokeepyourdigitalworldsafe.Youmightnotseeme,butI'malwaysthere,standing

32yourdevicesandtheinternet.

Thinkof33asastrictbutcaringdoormanofabusybuilding.Everytimeyouopena

webpageorsendamessage,data(数据)triestoenterorleaveyourdevice.Icheckit34.I

followalistofrulessetbyyourparentsorthecomputersystem(系统).Theserulestellmewhat's

allowedandwhafsnot.Ifsomethinglooksdangerous,suchasavirushidinginafile(文件)ora

35fromanunknownsource(来源).Istopitrightaway,justlikeadoormanwouldstopsomeone

withabadintention(意图).

Idon'tjustsay"no”totrouble,Ialsoletgoodthings36quickly:thefunnyvideosyou

wanttowatch,thehomeworkfilesyourteachersends,orthemessagesfromyourfriends.It'sa

balancingact-keeping37oulwithoutslowingdownthethingsyouneedtodo.

Sometimesyoumight38whyyoucan'tloadawebpageordownloadafile.That's

probablybecauseIamdoingmyjob.I39everythingharmfultryingtorushintoyourcomputer.

I'mnotheretostopyourfun40tomakesureyourtimeonlinestayssafeandworry-free.So

whenyoubrowse(浏览)orchat,remember:Fmtheguardwatchingoveryou,quietbutalwayson

duty.

()31.A.cuteB.silentC.excitedD.interesting

()32.A.nearB.acrossC.amongD.between

()33.A.itB.meC.himD.you

()34.A.successfullyB.importantlyC.carefullyD.slowly

()35.A.wordB.linkC.noteD.message

()36.A.walkbyB.runacrossC.gooverD.passthrough

()37.A.newsB.appsC.risksD.links

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()38.A.wonderB.interestC.refuseD.reply

)39.A.stopB.waitC.downloadD.welcome

)40.A.soB.orC.butD.and

四、阅读理解（20小题，每小题2分，共40分）

阅读下面四篇语言材料，然后按文后要求做题。

A

Doyouhaveonlineclasses?Nowadays,manystudentstakeclassesathome.Allyouneedisa

computerandaheadset(头戴式耳机).Herearesomeopinionsaboutonlineclassesfromthree

students.

LiLanisa15-year-oldstudentfromBeijing."Therearenoreal

teacherswatchingme.IcansurftheinternetordootherthingsifIwant

to.It'shardtoalwayslistentothemcarefullyallthetime,"shesays.LiLan

triestopreparealotbeforeclasstomakesureshewillpayattention.She

alsotriestotalkmorewithteachersonline.Butshestillfindsitdifficultto

stayfocused.

LiWenisa14-year-oldstudentfromChengdu.Shethinksonline

interaction(互动)isn'tenough."Theonlineteachersdon'treallygetto

knowme.AndIdon'tknowthemwelleither.IfIdon'thandinhomework,

allIgetisashortmessageinsteadofrealconcern,vshesays.

WangQiang,16yearsold,comesfromShanghai."Itsavestimeand

moneycomparedtotakingofflineclasses.Also,ifIdon'tunderstandsome

partsofalesson,Icanwatchthatpartofthelessonagain,“hesays.

根据材料内容选择最佳答案。

()41.Whatdoyouneedtopreparebeforeonlineclassesaccordingtothetext?

第5页共20页

A.①②B.②③C.③④D.②④

()42.HowoldisLiLan?

A.Thirteen.B.Fourteen.C.Fifteen.D.Sixteen.

()43.AccordingtoLiWen,ifyoudon'thandinhomework,whatwillyouget?

A.Arealteacher.B.Aninteraction.C.Arealconcern.D.Ashortmessage.

()44.WhatisWangQiang'sattitudetowardonlineclasses?

A.Negative.B.Positive.C.Unclear.D.Worried.

()45.Inwhichpartofanewspapercanwereadthetext?

A.Family.B.Money.C.Sport.D.Internet.

B

Algorithms(算法)onourcomputersandphonesarelikehelpfulguides.Theyshowusvideos,

articles,orsongswemightenjoy,buttheyalsoprobablykeepusinsideasmallworldwithonlythe

thingswealreadylike.Forteenagers,itisimportanttostepoutofthesealgorithm-madecirclesand

trytolearnthingsfromdifferentfields.

Thinkaboutthis:ifyouonlywatchsportsvideos,youmightmissamazingscienceexperiments

orbeautifulpoemsthatcouldopenyourmindtodifferentideas.Algorithmskeepsuggestingsimilar

contentbasedonyourclicks,butthatdoesnotmeanyouhavetostayinthatloop(圈).Youcan

choosetosearchforahistoryfactafterwatchingamusicvideo,orreadastoryaboutnatureevenif

mathisyourfavoritesubject.

Doingthishelpsyoudevelopcriticalthinking-knowingwhatisworthyourtimeandwhatis

not.Itislikebeingagardener:insteadoflettingthealgorithmplantthesamefloweragainandagain,

youpickseeds(种子)fromdifferentgardenstocreateyourowncolorfulgarden.

Sowhenyourphoneshowsyouthesimilarthings,takeasmallsteptoexploresomething

different.Clickonsomethingnew.Algorithmsaretools,notcages(笼),andyourcuriosityshouldbe

thekeytoexploremore.

根据材料内容选择最佳答案。

()46.Whatdoalgorithmsactlikeaccordingtothetext?

第6页共20页

A.Strictparents.B.Helpfulguides.

C.Dangeroustraps.D.Silenlteachers.

()47.IfKangkangclicksomevideosaboutmoviesonhisphone,whatwillthealgorithms

continuetosuggest?

A.Differentkindsofmovies.

B.Amazingscienceexperiments.

C.Musicvideosoffamoussingers.

D.Beautifulpoemsfromallovertheworld.

()48.Whatisthegardenerinthetexttryingtodo?

A.Plantthesamefloweragainandagain.

B.Letthealgorithmchoosealltheseeds.

C.Pickseedsfromdifferentgardenstogrowacolorfulgarden.

D.Watertheflowerseveryday.

()49.Whatisthemainideaofthistext?

A.Algorithmsaredangerousandshouldbeavoided.

B.Teenagersshouldusealgorithmstoonlywatchtheirfavoritethings.

C.Itisimportanttouseyourcuriositytoexplorebeyondwhatalgorithmssuggest.

D.Sportsvideosarcnotasgoodasscienceexperiments.

()50.Whichofthefollowingwouldtheauthormostlikelyagreewith?

A.It'sbesttoletthealgorithmdecideeverythingforyou.

B.Clickingonnewanddifferentthingsisawasteoftime.

C.Yourcuriosityisthekeytolearningnewanddifferentthings.

D.Acolorfulgardenisthebestrewardfbrusingyourphone.

C

Itwas11:45p.m.16-year-oldLinwasstillawake.Suddenly,amessagepoppeduponherphone.

Itwasfromsomeoneshedidn'tknow:"I'mlostinthemountains.Myphoneisalmostdead,andI

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can'tcallfbrhelp.Please,canyoudosomething?”Themessagecamewithafuzzy（模糊的）picture

ofatrail（小径）,sentthroughahikingapp.

Lindidn'thesitate（犹豫）.Shesavedthepictureandsentittoalocalrescue（救援）group's

onlinechat.<4Thispersonislosthere,“shewrote.uHerphoneisdying-doesanyoneknowwhere

thisis?”

Inlessthantwominutes,arescueworkerreplied,uThatlookslikeGreenHillTrail.Thereno

phonesignalthere.Wecansendateam,butweneedmoreclues（线索）Linmessagedthelosthiker

rightaway,askinghertodescribe（描述）hersurroundings.14AbigrockwithasmalltreenexttoitJ

sheanswered.t€Battery（电池）at2%.”

Linpassedtheinformationtotherescueworker,whosaid,"We'resendingateamnow.Tryto

keephertalkingifpossible.^^Lintypedbackquickly,askingabouttheweatherandhowshefelt,just

tokeeptheconnectionalive.At12:20a.m.,therescueworkersentashortmessage,t4Wefoundher.

Sheisokay.Thanksfbryourhelp.”

Linsmiled,puttinghermindatease.Onaquietnight,asimplephoneandafewmessageshad

turnedaterriblesituationintoasafeone.Theinternet,whichcansometimesfeelfaraway,hadbeen

likealifeline.

根据材料内容选择最佳答案。

（）51.HowdidthelosthikersendhermessagetoLin?

A.BysendingamessagetoLin'snumber.

B.Bymakingaphonecall.

C.Throughasocialmediapost.

D.Throughahikingapp.

（）52.Wherewasthelosthiker?

A.Intheforest.B.Inasmallpark.

C.Besideasmallrock.D.AtGreenHillTrail.

（）53.Howlongdidtherescueworkerlookforthelosthiker?

A.Lessthan10minutes.B.About50minutes.

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C.Abouttwohours.D.About24hours.

（）54.WhydidLinsmileatlast?

A.Becauseherheartbeatsloweddown.

B.Becausetheinternetbecamealifeline.

C.Becauseshehelpedsavethelosthiker.

D.Becauseshegotoutoftheterriblesituation.

（）55.Whatisthemainideaofthestory?

A.Itisimportanttofinishyourhomeworkontime.

B.Moderntechnologycanbeapowerfultoolforhelpingothers.

C.Hikingaloneinmountainsisverydangerous.

D.Rescueworkersarealwaysreadytohelpothers.

D

Themetaverse（元宇宙）isavirtual（虚拟的）worldwherepeoplemeetanddothingsonline

withtechnology.It*snotjustforplayinggamesortalking.It*salsoimportantforcountriesbecauseit

bringsgoodchancesandsomeproblemsthatneedrulestocontrolthem.56

Forcountries,themetaverseoffersbigopportunities（机遇）.Itcandevelopthegrowthofnew

industries,likeonlineeducationorvirtualshops,creatingmorejobsandmakingeconomiesstronger.

57Forexample,peoplefromallovertheworldcanlearnaboutacountry'shistoryorartinfun

andnewwaysthroughthemetaverse.

Buttherearechallengestoo.58There'salsoariskofdata（数据）beingstolen（偷走的）

orunfairrulesthathurtacountry'sinterests.Forexample,ifpeopleinacountrylosemoneytofake

virtuallanddeals,itcouldharmthatcountry'seconomy.

59Theyshouldmakeclearrulestoprotecteveryone.Theyshouldalsohelptheirowntech

companiesdowell,sotheycanstaycompetitive（竞争的）.Thisway,themetaversecanhelpall

countries,turningitschancesintorealprogress.

60Withcareandteamwork,itcanbenefitallcountries,notjustafew.

根据材料内容，从下面七个选项中选出五个能填入文中空缺处的最佳答案，使文章意思

第9页共20页

通顺、内容完整，并将选项填入下列横线上。

A.Buttheyhavedisadvantages.

B.It'struethateverycoinhastwosides.

C.Italsoallowscountriestosharetheirculturewiththeworldeasily.

D.Themetaverseisnew,butitaffectstheworldalol.

E.Tokeepthemetaversesafeandfair,countriesneedtoworktogether.

F.Becauseofthemetaverse,manyteenagerswastetoomuchtimeonlineinsteadof

studying.

G.Ifonecountrycontrolstoomuchofthemetaverse,othersmayhavelesspower.

56.57.58.59.60.

五、语篇填空(10小题，每小题1分，共10分)

阅读短文，根据语境或所给单词提示，在每个空格内填入一个恰当的词，要求所填的词

意义准确、形式正确，使短文意思完整、行文连贯。

UmbrellaforTeens5OnlineSafety

Theinternetisabig,busyplacewhereteenschat,learn,andshare.However,italsohides

61(risk)一soweneedtobuildanumbrellatokeepthemsafe.

Forexample,62usinganapp,nevershareyouraccountpasswordwithothers,evenyour

closefriends.Ifsomeone63(steal)it,theycouldpretend(假装)tobeyouandsendhurtful

messagesthathurtothers.Ifsomeonesendsavideothatmakesyou64(comfort),don'trespond

(回答).Press“report“instead,becausereplycouldbring65(many)trouble.

Oneoftheworst66(danger)isthatsometeensmightfacehatecomments(评论)online.

Thesecommentsmaymakeyoufeelsadorafraid,butremember:thosewordssaymoreaboutthe

sender67you.Talktoaparentorteacher,andthcyHlhelpyoudealwithit.

Tostaysafe,setrulesfor68(you).Don'tclickonstrangelinks,thinkcarefullybefore

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69(post)photos,tryspendinglesstimeonappsthatmakeyoufeelunhappy.Schoolsand

familiescanworktogethertoo-teachingteenshowtorecognize(识另(J)dangersonlineandwhereto

gethelp.

Theinternetshouldbeaplaceforfunandgrowth,notfear.Withcareandsmartchoices,wecan

holdup70umbrella,keepingteenssafewhiletheyexploreallthegoodthingsonline.Let'sdo

ittogether.

61.62.63.64.65.

66.67.68.69.70.

六、补全对话(5小题，每小题2分，共10分)

根据下面的对话场景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。

A:Ispenttwohoursontheinternetyesterday.

B:Whatdidyoudo?71?

A:No,Ididn'tplaygames.Iwatchedsomevideos.Theywereinteresting.72?

B:Iusuallycheckmyemailsanddosomeonlineexercises.

A:Mydadalsosaystheinternetcanbeabighelpforstudy.

B:73.1oftenfindgoodnotesandpractisetestsonline.Theyhelpmealot.

A:ButmymomworriesI'llwastetime.

B:Isetatimelimit——30minutesafterfinishinghomework.

A:74!Filtrythat.Couldyoutellmehowtomanagetimeontheinternet?

B:Sure.Wecanmakeaplantogethertomorrow.

A:Thanks.75?

B:Attheschoolgateat9:00a.m.

A:Great.Seeyouthen.

71.________________________________________________________________________

72.________________________________________________________________________

73.________________________________________________________________________

74.________________________________________________________________________

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75.

七、完成句子（10小题，每小题1分，共10分）

第一节根据句意，用括号中所给词的适当形式填空。

76.Thewebsitewarnedusersaboutfilesfromunknownsources,astheymight

carryrisks,（download）

77.Heitwhenhisonlinechessgamesgetstuckbysuddeninternetdisconnections,

（hate）

78.Theonlinestoreaskedforouremailtosendtheorderconfirmation（确认）.

（address）

79.Afterwatchingthevideo,shetothecreatorstothankthemfortheclearexplanation,

（reply）

80.Weshouldkeepthefirewallinourcomputerstostopdifferentkindsof.（virus）

第二节将下列句子中汉语部分译成英语，注意使用适当的形式。

81.1oftenonweekends.（上网课）

82.Weshouldn'tspendtoomuchtime,becauseil'sawasteoftime.（在媒体上）

83.Dad,!Ialmostfinishthetask.（等一等）

84.Weshouldtheinternetinsteadofwastingourtimeonit.（充分利用）

85.Let'sonline.Itcanhelpussolvetheproblemquickly.（搜索信息）

人书面表达（10分）

能连接因特网的智能手机已成为当今社会人们不可或缺的科技发明，它有很多优点，但

是也有缺点。请你根据思维导图，以"UsingMobilePhonesWisely"为题，写一篇英语短文，

简要概述智能手机的优缺点，并针对缺点提出日常使用时的注意事项。

写作要求：

1.包含思维导图的所有要点，可适当发挥；

2.文中不得出现真实姓名、校名和地名；

3.词数：80-100词，开头和结尾已给出，不计入总词数。

UsingMobilePhonesWisely

Mobilephonesareveryimportantinourlife.________________________________________

Ofcourse,Ican'tlistalltheproblemsandwaystosolvethemhere.Butifweusemobilephones

carefullyandwisely,theywillhelpusalotwithoutcausingproblems!

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参考答案

听力材料

一、听力理解

第一节听五个句子，选择最佳答语。每个句子听一遍。

1.Didyoudownloadthepictures?

2.Whatdoyouthinkoftheinternet?

3.Couldyoutellmehowtoopenanaccount?

4.Somepeoplestealpersonalinformationontheinternet.

5.Thefirstelectroniccomputerweighs50tons.

第二节下面你将听到5段短对话。根据所听到的内容，从每小题中选出回答问题的最

佳选项。每段对话听两遍。

6.W:Kangkang,couldyoutellmehowtoreadthisword?

M:Certainly,/s'dres/.Don'ttellyourhomeaddresstostrangers.

Question:Whai'sthepronunciationofthisword?

7.W:LiXiang,doyouknowaboutthefirstpersonalcomputer?

M:Yes,itappearedinthe1980s.

Question:Whendidthefirstpersonalcomputerappear?

8.W:Ioftensearchformaterialsontheinternet.Whataboutyou,LiHua?

M:Ioftenplaychessonit.

Question:WhatdoesLiHuaoftenusetheinternettodo?

9.W:Dad,howlongcanIusetheinternetthistime,onehourortwohours?

M:Oh,dear.Youcanonlyuseitfbranhour.It'sbadforyoureyes.Andyoushouldhavearest

everytwentyminutes.

Question:Howlongcanthegirlusetheinternetthistime?

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10.W:Badluck!Theconnectionstoppedagain!

M:Yes.Ihaven'tfinisheddownloadingtheapp.

Question:Whatwasthemandoingwhentheconnectionstopped?

下面你将听到两段长对话。根据所听到的内容，从每小题中选出回答问题的最佳选项。

每段对话听两遍。

听第一段长对话，回答第11至12小题。

W:Hi,whatdoyouusuallydoonline?

M:Ioftenchatwithmyfriends.Whataboutyou?

W:Iliketowatchfunnyvideos.Theymakemehappy.

M:Doyouuseitforstudy?

W:Yes,Isometimeslookupnewwordsinonlinedictionaries.

M:Cool!Me,too.

听第二段长对话，回答第13至15小题。

W:Hi,Mike.Weneedtopreparematerialsfortheclassmeeting.Canyoufindanddownloadsome

materialsonline?

M:Yes,Ican.Whatdoweneedtodownload?

W:Howaboutsomepicturesandshortvideosaboutourtopic.

MWherecanwcfindthem?Fmnotsure.

W:Trythatfreewebsite.Ithaslotsofgoodmaterials.

MGreat!Butshouldwecheckifthey'refreetouse?

W:Goodidea.Wecan'tusethingsthataren'tfree.

M:Letmedownloadafewpicturesfirst.Youcanlookforthevideos.

W:OK,lei'sstart.WemustfinishthetaskbeforenextMonday.

第三节你将听到一篇关于规则的短文。请用你所听到的内容，填写表格中所缺单词，

每空限填一个词或一个数字。短文读两遍。

We'vesetsomeinternetrulesforyou,andwchopeyou'llunderstandwhywedothis.It\not

becausewewanttolimityourfun,buttokeepyousafeandbalanceyourstudies.

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First,youcanonlygoonlineafterfinishingyourhomework.Onschooldays,onehouris

enough-anotherfewhoursmightmakeyoutootiredforschoolthenextday.Onweekends,youcan

havetwohours.

Second,don'tvisitwebsitesyoudon'tknow.Someofthemaren'tgoodforkids.Ifyouwantto

tryanewwebsite,justaskusfirst.We'llcheckittogether.

Third,tellusrightawayifastrangertalkstoyouonline.Noteveryoneonlineisnice,andwe

wanttohelpifyoufeelsomethingstrange.

Thesenilesaren'tmeanttocontrolyou.Wewantyoutousetheinternettolearn,chatwith

friends,orwatchfunnyvideos-butinawaythatkeepsyouhealthyandsafe.You'llbenefitfrom

usingitcorrectlysomeday.

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参考答案

-听力理解

1—5BAACB

6—10CCABC

11—15BCCAB

16.safe17.two/218.parents19.talks20.correctly

二、语法选择

21.Ainsteadof意为"而不是，代替"。

22.C此句为一般现在时态。

23.B

24.B

25.A一般现在时态，主语为单数，谓语动词用第三人称单数形式。

26.C

27.A句意为“如果你的手机或笔记本电脑连接了Wi-Fi……〃。

28.B

29.Asendamessage意为"发信息"。

30.B

三、完形填空

31.B由最后一句可知，首尾呼应，句意为〃我是为你日夜工作的维护数