UNIT3THEINTERNET第2课时DISCOVERINGUSEFULSTRUCTURES（备作业）2021-2022学年高一英语系列（人教版2019必修第二册）

必修第二册练习Unit3TheInternetDiscoveringUsefulStructures一、语法填空1.Forcenturies,theancientlanguage________

(pass)onfromonegenerationtoanother.2.Uptonow,morethanfivenewspecies________

(find)onthisislandbyresearchers.3.BlackFriday________

(regard)asthebeginningoftheholidayshoppingseasonforyears.4.Overthepastthreeyears,thepaintings________

(take)tomorethan20museumsintheworld.5.Morethan50,000yuan________

(raise)forthepoorfamilysincethegroupwasfounded.6.Computerscience,withwhichrapidprogress________

(make)inrecentyears,playsaveryimportantpartinourdailylife.7.Sincetheearly1990s,alotofclinics________

(found)inthiscountrytotreatpoorpeopleforfree.8.Thebalancebetweenthecityandthecountry________

(break)bytheindustrialdevelopmentoverthepasttwocenturies.9.Someefforts________

(make)toimprovetheairqualityinthecitylastwinter.10.Themagazinemakestheseideasattractiveand________(access)tochildren.11.China'sspaceprogram________

(develop)greatlysinceitsentitsfirstastronauttospacein2003.二、阅读理解1.

Recently,manye-commerceplatforms,includingDidiTaxi,Ctrip,Fliggy,JDandTaobao,havebeenuncoveredthattheyarecheatingtheirfrequentcustomers.Theirwaysareprettyclever.Whentherearenewusersorconservativeoldusers,theywillgiveaquiteappealingpricetoattractthemintoregisteringandbuyinggoods.However,theirbigdataisnotfriendlytothestableusersandfrequentvisitors.Thesystemalwaysoffersthemhigherpriceforthesameproductsorservice.Howdoesthishappen?Accordingtothedataanalysis,thesystemknowsclearlythatalthoughtheyfeelthepriceishigh,theywillfinallypaythebill.Bycollectingandanalyzingusers'profiles,buyinghabitsandotherinformation,bigdatarecommendsthesameproductstodifferentuserswithdifferentprices.

Companiesalsotryotherwaystomakemoney,makingonlineconsumptionfarmoreworrying.Forexample,videowebsitesalwaysoffer120seconds'advertisements,whichdrivespeoplecrazy.Andevenifyoupayforthemembershiptogetridoftheads,youhaveto"enjoy"15-second"private"ads.Bybroadcastingthem,companiesmakehugeprofits—secondtothemembershipfees.Also,owning100Mbpsnetwork,youstillputupwiththeslowspeedwhenyouaredownloadingasong.YouhavenochoicebuttobecomeaVIPwhenyouseekhighqualityservices.Usersseemtobelambs(羊羔)amongwolves.Eventhoughtheysay,"Sinceyouhavemoney,I'llchargeyoumore",wecan'tdoanythingaboutit.

Itpainsusthatwehaven'tfiguredoutawaytodealwiththeproblem.TheonlythingwecandoisreplacingouriPhoneswithAndroidphonesifwewanttobuyamembershipcard,andapplyingfornewaccountsifwewantcheaperhotels.Notfindingawaytofightback,wecan'tdoanythingbutacceptthempassively.（1）Howdoesbigdataservecompaniesaccordingtothetext?A.Bybeingkindtoallusers.B.Bygivingadiscounttostableusers.C.Byattractingnewusersbyanalyzingtheirshoppinghabits.D.Byrecommendingthesameproductswithhigherpricestoregularusers.（2）Whatdoweknowfromthesecondparagraph?A.Membershipcanridyouofalltheads.B.OnlybybeingaVIPcanyougetabetterservice.C.Theslowdownloadspeedisduetoyourpoornetwork.D.Advertisingincomeisthebiggestincomeforvideowebsites.（3）Whatistheauthor'sattitudetowardsthechancesoffindingawaytofightback?A.Uncertain.B.Casual.C.Negative.D.Positive（4）Whatisthemainideaofthetext?A.Thebigdataprovideshelpfulinformationtousers.B.Wehavetoacceptonlineconsumptionasitis.C.Thereexistmanyonlineconsumptiontraps.D.Regularcustomersarericher.2.

It'sFridaymorningintheyearof2050,andyou'rerunninglate.Yougotcarriedawaywatchingthemusicvideothatisplayinginthecornerofyourbathroommirrorwhileyouwerebrushingyourteeth.HowwillyougettoyourofficeatMegaGigaIndustriesontime?

AquickcheckofyourInternet-connectedrefrigeratortellsyouyourtrainisabitbehindschedule,too.Soyoudecidetodriveyourenvironmentallyhydrogenfuel(环保氢燃料)carinstead—orrather,letyourcardriveyou.It'sprogrammedtoknowthewayanditwillgetyoutherewithoutgettinglost.

Settlingintoyourofficechair,whichchangescolortomatchwhatyou'rewearing,youpickupyesterdaymorning'snewspaper.Printedonreusableelectronicpaper,itrewritesitself.Nowit'stimeforyourbigmeeting.Uh-oh!You'veleftyourhandwrittennotesathome.Noproblem.Thesmartpenyouusedhasstoredanelectroniccopyofwhatyouwrote.

Yourwristwatchvideophone(可视电话)suddenlyrings.Yourbestfriend'sfacepopsuponthescreenaskingwhatyou'redoingthisweekend.WillyouplayvirtualsoccerwiththeU.S.Olympicteam?No,no.Yourfriendsays,soyouhavetotakethenewelevator(madeofmicroscopicfibersmanytimesstrongerthansteel)60000milesintospace.

Couldthisscenereallytakeplaceinjustacoupleofdecades?Theresearcherswhoarenowdevelopingallthesethingsthinkso.Thesehigh-techproducts(高科技产品)maybeascommonin30yearsascellphonestoday.（1）Howmanyhigh-techproductsarementionedinthetext?A.Four.B.Six.C.Eight.D.Ten.（2）Accordingtothetext,ifyoumissthetraintowork,youcan.A.driveyoursmartcarinsteadB.takethespaceshipinsteadC.waitforthenexttrainD.workathome（3）Whatcanbeinferredfromthetext?A.Spacetourismwillbeareality.B.Transportationwillbetrouble-free.C.Peoplewillhavemoretimetoenjoythemselves.D.Videophoneswillreplaceface-to-facecommunications.（4）Whatisthebesttitleforthenext?A.GreatChangesintheFutureB.ModernTimesC.LifeintheFutureD.DevelopmentinTechnology3.

Insomanyways,cyberspacemirrorstherealworld.Peopleaskforinformation,playgames,andsharehobbytips.Othersbuyandsellproducts.Stillotherslookforfriendship,orevenlove.

SomeInternetuserswantmorethanjustsomeonetochatwith.They'relookingforseriousloverelationships.Iscyberspaceagoodplacetofindlove?Thatanswerdependsonwhomyouask.Someoftheserelationshipsactuallysucceed.Othersendintears.

Unliketherealworld,however,yourknowledgeaboutapersonislimitedto(限于)wordsonacomputerscreen.Identity(身份)andappearancemeanverylittleincyberspace.Rather,aperson'sthoughtsoratleastthethoughtstheytypearewhatreallycounts.Soeventheshyestpersoncanbecomeachat-roomstar.

Usually,this"faceless"communicationdoesn'tcreateproblems.Identitydoesn'treallymatterwhenyou'reinachat-roomdiscussingpoliticsorhobbies.Infact,thisfocusontheideasthemselvesmakestheInternetagreatplaceforexcitingconversation.Whereelsecansomanypeoplecometogethertochat?

SupportersofonlinerelationshipssaythattheInternetallowscouplestogettoknoweachotherintellectuallyfirst.Personalappearancedoesn'tgetintheway.

Butcritics(批评者)ofonlinerelationshipsarguethatnoonecantrulyknowanotherpersonincyberspace.Why?BecausetheInternetgivesusersalotofcontroloverhowothersviewthem.Internetuserscancarefullychoosetheirwordstofitwhateverimagetheywanttogive.Andtheydon'thavetoworryaboutwhattheir"nonverbal(不用语言表达的)"communicationisdoingfortheirimage.Inasense,they'renotreallythemselves.Allofthismaybefineiftherelationshipstaysincyberspace.Butnotknowingapersonisabigprobleminaloverelationship.Withsomanyunknowns,it'seasytoletone'simagination"fillintheblanks".Thissurelyleadstodisappointmentwhencouplesmeetinperson.Howsomeoneimaginesanonlinefriendisoftenquitedifferentfromtherealperson.

So,beforelookingforloveincyberspace,remembertheadviceofInternetpioneerCliffordStoll,"Lifeintherealworldisfarricherthananythingyou'llfindonacomputerscreen."（1）WhichofthefollowingsentencesisNOTtrueaccordingtothecritics?A.Nobodycantrulyknowanotherpersonincyberspace.B.Internetuserscanchoosetheirwordstocreateanyimagetheywanttogive.C.TheInternetallowscouplestoknowhowintelligenttheyare.D.Inasense,Internetusersarenotreallythemselves.（2）Eventheshyestpersoncanbecomeachat-roomstarbecausewhatreallycountsisaperson's.A.nonverbalcommunicationB.identityshowninthechatC.knowledgeandappearanceD.thoughtstypedonthescreen（3）Theunderlinedword"This"(Paragraph6)refersto.A.havingexcitingconversationsonlineB.formingpersonalrelationshipincyberspaceC.imaginingonlinefriendswithsomanyunknownsD.knowingapersoninaloverelationship（4）Whatisthewriter'sattitudetowardsfindingloveincyberspace?A.Interested.B.Notinterested.C.Positive.D.Negative.4.阅读短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。

MySpace,thesocialnetworkingwebsite,isdifferentfromotherwebsiteswhichonlyprovidestoriesaboutotherpeople.MySpaceisaplacethatallowsyoutobroadcastyourownstoriesandpersonalinformationtoasmanypeopleasyoulike.Startedyearsago,itisabigsourceofinformationforandaboutAmericankids.

Teenagersandtheirparentsfeelverydifferentaboutit.Teensarerushingtojointhesite,notsharingtheirparents'worries.Itsignalsyetanothergenerationgapinthedigitalera.

Forteenagers,itisreliablenetworktokeepintouchwiththeirfriends.Theywilloftenlisttheirsurnames,birthdays,after-schooljobs,schoolclubs,hobbiesandotherpersonalinformation.

"MySpaceisaneasywaytoreachjustabouteveryone.Idon'thaveallthephonenumbersofmyacquaintances.ButifIwanttogetintouchwithoneofthem,IcouldjustleavethemamessageonMySpace,"saidAbbyVanWassen.Sheisa16-year-oldstudentatWoodlandHillsHighofPittsburgh,Pennsylvania.

ParentsontheotherhandareseriouslyconcernedaboutthesecurityproblemsofMySpace."Everytimeweholdaparents'meeting,thefirstquestionisalwaysaboutMySpace,"saidKentGates,whotravelsthecountrydoingInternetsafetyseminars(研讨会).TheNationalCentreforMissingandExploitedChildrenhasreceivedatleast288MySpacerelatedcomplaints,accordingtoMaryBethBuchanan,alawyerinPittsburgh.

"YourprofileonMySpaceshowsallyourpersonalinformationtoanyoneontheWeb.AndMySpaceevenliststhisinformationbybirthplaceandage.It'slikeafreechecklistfortroublemakersanditendangerschildren,"Buchanansaid.（1）Fromthepassage,wecanlearnthatMySpace.A.bringsaboutthegenerationgapB.isverycarefulaboutpeople'sprivacyC.encouragesyoutolistyourpersonalinformationD.liststhetelephonenumbersofyourfriends（2）WhyaresomeparentsagainstMySpace?A.BecausetheythinkMySpacehasabadinfluenceontheirchildren.B.Becausetheydon'twanttopaysomuchmoneyforMySpace.C.Becauseittakesuptoomuchoftheirchildren'ssparetime.D.Becausetroublemakerscaneasilyreachtheirchildrenthroughthesite.（3）Whatcanweinferfrom"Everytimeweholdaparents'meeting,thefirstquestionisalwaysaboutMySpace"?A.MySpacehasbecomeatopproblemtroublingparents.B.MySpaceoftenholdsparentsmeetings.C.MySpaceisquitepopularwithparents.D.Parentshavelotsofquestionsaboutthewebsite.三、任务型阅读根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。

Inanonlineclass,developinghealthypatternsofcommunicationwithprofessorsisveryimportant.________

WhileIhaveonlylistedtwoofeach,thereareobviouslymanyothersituationsthatcanarise.Studentsshouldbeabletoextendthelogic(逻辑)ofeachtotheirparticularcircumstance.Do's

•________

Questionsaboutsubjectcontentaregenerallywelcomed.Beforeaskingquestionsaboutthecoursedesign,readthesyllabus(教学大纲)andlearningmanagementsysteminformationtobesuretheanswerisn'thidinginplainsight.

•Participateindiscussionforums(论坛),blogsandotheropen-endedforumsfordialogue.________

Besuretostayontopicandnotofferirrelevantinformation.Makeapoint,andmakeitsafeforotherstodothesame.Don'ts

•Don'tsharepersonalinformationorstories.Professorsarenottrainednurses,financialaidexpertsoryourbestfriends.Ifyouareinneedofadeadlineextension,simplyexplainthesituationtotheprofessor.________

•Don'topenlyexpressannoyanceataprofessororclass.________

Whenastudentattacksaprofessoronthesocialmedia,thelanguageusedactuallysaysmoreaboutthestudent.Ifthereistrulyaconcernaboutaprofessor'sprofessionalismorability,besuretouseonlinecourseevaluationstocalmlyofferyourcomments.A.That'swhattheyarefor.B.Turntoanonlineinstructorforhelp.C.Ifmoreinformationisneeded,theywillask.D.Rememberthatonlineprofessorsgetalotofemails.E.Belowaresomecommondo'sanddon'tsforonlinelearners.F.Everyonehastakenanot-so-greatclassatonetimeoranother.G.Askquestions,butmakesuretheyaregood,thoughtfulquestions.四、完形填空阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

Teensaroundtheworldusesocialmediaalot.Butisthisa

1

thing?Whileyoucansayniceand

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thingsontheInternet,youcouldalsosaymeanandhurtfulthingstoo.Whensomeonesayssomethingmeanorhurtful

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,it'scalledcyberbullying(网络欺凌).

Whenpeoplesaymeanthingstous,wefeel

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,depressedandpowerless.Thesearejustsomeofthepossible

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effectsthatcouldaffectteenswhoarecyberbullied.Whenpeopleareoftensadordepressed,theycouldbeginto

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suicide(自杀).Theythinkthattheirlivesaren'tworthanythingorthattheirlivesaretoo

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tohandle.It'sdifficulttobelievethatonepersonsayingmeanor

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thingstoanotherpersoncouldmakehimthinkabout

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himself,butit'strueanditdoeshappen.Now,youcould

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everythingthatwassaid.Youcouldsaythatteenscanjusttumofftheircomputersortheirphones.Theycanjustblock(屏蔽)thepersonwho

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themorjustsimplyignorehim.

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people,especiallyteenslovegoingontheInternetandtalkingtopeople.It'spartoftheirdailylives.It's

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totellteenstoturnthemalloff.Inaddition,

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theyblocksomeone,thepersoncanjust

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comingbackonadifferentaccountorassomeoneelse.Alsoifit'sa

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postedvideo,pictureormessage,everyonecanseeitand17

reportorshareit.It's

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toblockeveryone.

Andfinallynoonecanjust

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somanymeanwordsthatarebeingsaidtothem.

Overall,cyberbullyingisa(n)

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thingthatpeopledo.Thereshouldbelawstoprotectpeoplefromcyberbullying.1.A.goodB.normalC.rightD.useful2.A.popularB.kindC.interestingD.proper3.A.onlineB.onpurposeC.indirectlyD.inbrief4.A.terrifiedB.lonelyC.sadD.bored5.A.noticeableB.negativeC.practicalD.lasting6.A.thinkaboutB.careaboutC.worryaboutD.talkabout7.A.shortB.hardC.ordinaryD.busy8.A.realB.stupidC.cruelD.horrible9.A.teachingB.blamingC.killingD.punishing10.A.dealwithB.comparewithC.beginwithD.disagreewith11.A.cheatsB.hurtsC.beatsD.confuses12.A.HoweverB.MoreoverC.InsteadD.Therefore13.A.unnecessaryB.unrealisticC.unusualD.uncertain14.A.asB.unlessC.ifD.until15.A.keepB.admitC.rememberD.enjoy16.A.quicklyB.publiclyC.carelesslyD.coldly17.A.stillB.alwaysC.justD.even18.A.unfriendlyB.impossibleC.unpleasantD.illegal19.A.forgetB.refuseC.discoverD.ignore20.A.difficultB.funnyC.annoyingD.terrible语法填空阅读下面材料、在空白处填入适当的内容（1个单词）或括号内单词的正确形式。AnInternetcafeservesasabunkofcomputerswithhigh-speedInternetaccess.Thecustomer18.(charge)bytheminuteorthehour,ormightbuyamonthlypass.TheInternetcafemightalsoservefoodanddrinks,19.

thisisn'talwaystheease.Thosewhodon'thavecomputersathomeare20.

(clear)possiblecustomersforanInternetcafe.AnInternetcafeisalsohandyfor21.

(travel)whocanstopintocheckemailslookupdirections,orsendoffmessagestolovedonesathome.Otherpeoplemayjustfeellike22.

(get)outofthehousetositandrelaxinfrontofacomputerina23.

(comfort)place.Andforpeoplethatdon'thavecomputers,thisisanicechoice.TheideaofacaféwithfullInternetaccesswascreatedinearly1994byIvanPope.HewantedtodevelopanInterneteventinLondon.Thenheexplainedhisidea24.acafewithInternetaccess.Beforelong,abarcalledCompucafe,25.offeredInternelaccess,wasbuiltinFinlandinthespringof1994.Gradually,theInternetcafe26.(appear)inmanycitiesandnationsaroundtheworld.AlthoughtheInternetcaféisstillcommoninsomecountrieslikeIndia,wirelesstechnologyandtheaffordabilityoflaptopcomputershavemadeWI-FIcafes27.(much)popular.答案解析部分一、语法填空1.【答案】hasbeenpassed【解析】句意：几个世纪，这种古老的语言代代相传。根据时间状语forcenturies和句意，可知谓语动词用现在完成时的被动语态，故填hasbeenpassed。【点评】考查时态语态，本题涉及现在完成时的被动语态。2.【答案】havebeenfound【解析】句意：到目前为止，研究人员已经在这个岛上发现了五种以上的新物种。根据时间状语uptonow和句意，可知谓语动词用现在完成时的被动语态，故填havebeenfound。【点评】考查时态语态，本题涉及现在完成时的被动语态。3.【答案】hasbeenregarded【解析】句意：多年来，黑色星期五一直被视为假日购物季的开始。根据时间状语foryears和句意，谓语动词用现在完成时的被动语态，故填hasbeenregarded。【点评】考查时态语态，本题涉及现在完成时的被动语态。4.【答案】havebeentaken【解析】句意：最近三年，这些画作被送往世界上二十家博物馆展出。根据时间状语overthepastthreeyears和句意，可知谓语动词用现在完成时的被动语态，故填havebeentaken。【点评】考查时态语态，本题涉及现在完成时的被动语态。5.【答案】hasbeenraised【解析】句意：自从这个组织成立以来。为贫困家庭筹集了五万多元。根据时间状语sincethegroupwasfounded.以及句意可知谓语动词用现在完成时的被动语态，故填hasbeenraised。【点评】考查时态语态，本题涉及现在完成时的被动语态。6.【答案】hasbeenmade【解析】句意：句意：电脑最近这些年进步飞速，在我们的日常生活中扮演重要的角色。根据时间状语inrecentyears和句意，可知用现在完成时的被动语态，故填hasbeenmade。【点评】考查时态语态，本题涉及现在完成时的被动语态。7.【答案】havebeenfounded【解析】句意：自从二十世纪九十年代早期，这个国家建立了很多诊所，为穷人提供免费治疗。根据时间状语sincetheearly1990s以及句意，可知谓语动词用现在完成时的被动语态，故填havebeenfounded。【点评】考查时态语态，本题涉及现在完成时的被动语态。8.【答案】hasbeenbroken【解析】句意：最近两个世纪城市和乡村之间的平衡已经被工业发展打破了。根据时间状语overthepasttwocenturies.和句意可知谓语动词用现在完成时的被动语态，故填hasbeenbroken。【点评】考查时态语态，本题涉及现在完成时的被动语态。9.【答案】weremade【解析】句意：去年冬天为改善城市的空气质量做了一些努力。根据时间状语lastwinter和句意可知谓语动词用一般过去时的被动语态，故填weremade。【点评】考查时态语态，本题涉及一般过去时的被动语态。10.【答案】accessible【解析】句意：这本杂志使这些想法对孩子们有吸引力并且易于理解。此空与attractive并列，作宾补，故填accessible。【点评】考查形容词，本题涉及形容词作宾补。11.【答案】hasbeendeveloped【解析】句意：自从2003年把第一个宇航员送上太空以来中国的太空计划有了很大的发展。根据时间状语sinceitsentitsfirstastronauttospacein2003以及句意可知谓语动词用现在完成时的被动语态，故填hasbeendeveloped。【点评】考查时态语态，本题涉及现在完成时的被动语态。二、阅读理解1.【答案】（1）D（2）B（3）C（4）C【解析】本文是一篇说明文，介绍了很多网上的电商平台存在消费陷阱，欺骗消费者，消费者只能被动地接受。（1）考查细节理解。根据第一段中的“However,theirbigdataisnotfriendlytothestableusersandfrequentvisitors.Thesystemalwaysoffersthemhigherpriceforthesameproductsorservice.”可知，大数据向老顾客推荐同类中价格较高的产品，故选D。（2）考查细节理解。根据第二段中的“YouhavenochoicebuttobecomeaVIPwhenyouseekhighqualityservices.”可知，只有成为高级会员你才能得到更好的服务，故选B。（3）考查推理判断。根据最后一段中的“Notfindingawaytofightback,wecan'tdoanythingbutacceptthempassively.”找不到反击的办法，我们只能被动地接受，可知，作者对反击的机会持消极的态度，故选C。（4）考查主旨大意。根据第一段中的“Recently,manye-commerceplatforms,includingDidiTaxi,Ctrip,Fliggy,JDandTaobao,havebeenuncoveredthattheyarecheatingtheirfrequentcustomers.”可知，本文主要介绍了很多网上的电商平台存在消费陷阱，欺骗消费者，故选C。【点评】本题考点涉及细节理解，推理判断和主旨大意三个题型的考查，是一篇社会现象类阅读，要求考生在捕捉细节信息的基础上，进一步根据上下文的逻辑关系，进行分析，推理，概括和归纳，从而选出正确答案。2.【答案】（1）C（2）A（3）B（4）C【解析】本文是一篇说明文，介绍了2050年的生活以及一系列的新发明。（1）考查细节理解。根据整篇文章可以看出文章主要列举themusicvideothatisplayinginthecornerofyourbathroommirror,aquickcheckofyourInternet-connectedrefrigerator,environmentallyhydrogenfuelcar,officechair,reusableelectronicpaper,smartpen,yourwristwatchvideophone,newelevator八项发明，故选C。（2）考查细节理解。根据第二段中的“Soyoudecidetodriveyourenvironmentallyhydrogenfuelcarinstead—orrather,letyourcardriveyou.”可知如果错过火车可以开环保氢燃料车。故选A。（3）考查推理判断。根据第二段中的“It'sprogrammedtoknowthewayanditwillgetyoutherewithoutgettinglost.”它被设计成知道路线，而且不会迷路。可知选B。（4）考查主旨大意。纵观全文可知，本文讲述了30年后，即2050年的生活，故选C。【点评】本题考点涉及细节理解，推理判断和主旨大意三个题型的考查，是一篇生活类阅读，要求考生在捕捉细节信息的基础上，进一步根据上下文的逻辑关系，进行分析，推理，概括和归纳，从而选出正确答案。3.【答案】（1）C（2）D（3）C（4）D【解析】本文是一篇议论文，论述了人们对于网络交流的不同看法，同时作者对于在网络空间寻找爱情持否定的态度。现实世界的生活比电脑屏幕上的任何东西都要丰富得多。（1）考查细节理解。根据第五段“…theInternetallowscouplestogettoknoweachotherintellectuallyfirst”互联网让情侣们先在智力上了解对方可知，C项是支持者的看法。故选C。（2）考查细节理解。根据第三段中“Rather,aperson'sthoughtsoratleastthethoughtstheytypearewhatreallycounts.Soeventheshyestpersoncanbecomeachat-roomstar.”可知，在网上聊天时，最重要的是说话人通过屏幕传递给对方的想法。故选D。（3）考查代词指代。“This”指的是在现实生活中会令人失望的东西，即上文所提到的无法通过网络了解到的东西。故选C。（4）考查推理判断。作者花很长篇幅介绍了网络恋情的弊端，据此可判断他/她对这种现象持反对态度。故选D。【点评】本题考点涉及细节理解，代词指代和推理判断三个题型的考查，是一篇生活类阅读，考生需要准确捕捉细节信息，并根据上下文的逻辑关系，进行分析，推理，从而选出正确答案。4.【答案】（1）C（2）D（3）A【解析】本文是一篇说明文，介绍了一种社会现象，很多孩子喜欢MySpace,而父母们则对此非常担忧，害怕信息泄露会成为孩子的安全隐患。（1）考查推理判断。根据第三段可知，MySpace可以允许你把很多的信息放进去，包括姓氏、生日、放学后的工作等，由此可推断出它是鼓励你把更多的个人信息放进去。故选C。（2）考查细节理解。根据第五段可知。父母们担心孩子把个人信息发布到网上存在安全问题；以及最后一段中的“MySpaceevenliststhisinformationbybirthplaceandage.It'slikeafreechecklistfortroublemakersanditendangerschildren”可知。父母反对孩子用MySpace是因为坏人通过这个网站很容易就能找到他们，故选D。（3）考查推理判断。结合上下文和这句话可推断出，父母最担心的问题是孩子把个人信息发布到网上，会造成安全隐患，故选A。【点评】本题考点涉及细节理解和推理判断两个题型的考查，是一篇社会现象类阅读，考生需要准确捕捉细节信息，并根据上下文进行逻辑推理，从而选出正确答案。三、任务型阅读【答案】E；G；A；C；F【解析】本文是一篇说明文，在网络课堂上，与教授建立健康的交流模式是非常重要的，作者在文中列举了一些规矩与禁忌。（1）考查对上下文的理解和推理判断能力。根据空前”Inanonlineclass,developinghealthypatternsofcommunicationwithprofessorsisveryimportant.“可知，在网络课堂上，与教授建立健康的交流模式是非常重要的，作者在下文中列举了一些规矩与禁忌，故选E。（2）考查对上下文的理解和推理判断能力。根据空后”Questionsaboutsubjectcontentaregenerallywelcomed.“与课程内容相关的问题是受欢迎的，解释了什么样的问题是好问题，G项中的“makesuretheyaregood,thoughtfulquestions”与后一句相呼应，要提一些好的令人深思的问题，故选G。（3）考查对上下文的理解和推理判断能力。根据空前”Participateindiscussionforums(论坛),blogsandotheropen-endedforumsfordialogue.“可知，要参与论坛讨论、博客和其他开放式的对话论坛。而这正是网络课堂采用的交流的途径，故选A。（4）考查对上下文的理解和推理判断能力。根据空前”Professorsarenottrainednurses,financialaidexpertsoryourbestfriends.”可知，教授不是训练有素的护士，不是经济援助专家，也不是你最好的朋友，所以不要分享个人信息或故事，如果他们需要更多信息的话，他们会主动问起的，故选C。（5）考查对上下文的理解和推理判断能力。根据空前“Don’topenlyexpressannoyanceataprofessororclass.”告诫读者，每个人都可能曾经上过不太好的课，不要在社交媒体上攻击教授，不要公开表达对教授或班级的不满，要利用课程评价冷静地提出你的意见。选项F承上启下。故选F。【点评】本题要求在理解细节信息的基础上，着重考查对上下文的理解和推理判断能力。四、完形填空17.【答案】（1）A；（2）B；（3）A；（4）C；（5）B；（6）A；（7）B；（8）C；（9）C；（10）D；（11）B；（12）A；（13）B；