Unit 12 The Internet.docx

Unit 12 The Internet.docx

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Unit12TheInternet

Unit12TheInternet

PartA

ListeningStrategy

FindingtheMainIdea

Findingthemainideaofaconversationisaveryimportantskillinlisteningcomprehension.Toacquirethisskill,wemustcultivateourabilitytodistinguishbetweenmajorandminorinformation.Weshouldlearnhowtolistenforthegeneralsenseratherthanforthemeaningofeveryword.Infact,itisimpossibleforustounderstandandremembereverywordutteredbythespeakeranditisnotnecessarytodoso.Thefirststeptolookforthemainideaistoidentifythetopicthespeakeristalkingabout.Thetopicisthesubjectorfocusofwhatisbeingsaidandisusuallyconveyedthroughthewordsorphrasesthespeakermentionsorreferstothemost.Thenyouhavetofocusyourattentiononthesentenceorsentencesthatextendthetopictothemessagethespeakerwantstogetacrosstothelistener.

YouaregoingtohearthreepassagesaboutcomputersandITeducation.Listencarefullyandcompletetheanswers.

1.Themainideaofthepassage:

EstablishingcomputerlabsfortheschoolsinChina’spoorruralareas.

2.Themainideaofthepassage:

ChinaiscooperatingwithIndiaintrainingsoftwareprofessionals.

3.Themainideaofthemassage:

Thecomputervirus,CodeRedII,isabouttoattackagain.

Script:

1.Studentsandteachersat20schoolsinChina’spoorruralareashadtheirowncomputerlabsattheendof2001.ThelabswerejointlyfundedbytheChinaYouthDevelopmentFoundationandCoca-Cola（China）BeveragesLtd.,whichplannedtoestablishmorecomputerlabsin1,200ruralschools.

2.ChinaisnowusingIndia’srichresourcesandexpertiseinITeducationtomeetitsgreatdemandforsoftwareprofessionals.AnIndiancompanyhasrecentlysignedadealwithChinatoestablishajointventurecompanyinBeijing.ItisthefirstIndiancompanytoinvestintheeducationofsoftwareprofessionalsinChina.

3.CodeRedII,theworld’smostviciouscyberworm,isabouttostartanotherattack.Unlikeitsformerpeer,“Iloveyou”bug,thistimetheCodeRedserieswilltargetInternetserversandthenetwork.Anti-bugexpertsarecallingforgreateronlinesecurity.

PartB

Pre-listeningTask

QuestionsforDiscussion

YouaregoingtotalkabouttheInternet.Readthefollowingquestionsanddiscussthemwithyourpartner.

1.Doyouoftenuseacomputer?

2.Whatdoyouusethecomputerfor?

3.Whatproblemshaveyouencounteredwhenusingacomputer?

4.WhatistheInternet?

5.WhatcanyoudoontheInternet?

6.WhataresomeoftheadvantagesanddisadvantagesoftheInternet?

Demo:

6.WhataresomeoftheadvantagesanddisadvantagesoftheInternet?

TheInternethascontributedalottothesocialdevelopment.Ithasbroughtgreatconvenienceforcommunicationacrosslargedistances.Itoffersahugeamountofinformationofvariouskinds.Peoplecanfindplentyofentertainmentonlineandgetserviceslikeonlinebankingandshopping,etc.However,italsohassomedisadvantages.Therearemanycasesoftheftofpersonalinformationwhichcauselossesofmoneyandprivacy.Anotherthreatisviruseswhichmaydisruptthenormalfunctioningofyourcomputersystems.TherearealsosomeunhealthywebsitesontheInternetandcoulddogreatharmtothechildren.

AdditionalQuestionforDiscussion

WhatsecuritymeasuresshouldwetakewhenweusetheInternet?

Demo:

ThereareseveralmeasureswecantakewhenweusetheInternet.First,itisimportantthatweuseasecureserverwhentransferringpersonalinformationlikecreditcardnumbersovertheInternetbecauseanystopalongthewaycouldlogourcreditcardnumber.Whenweuseasecureserver,thenumberisencrypted（coded）andlookslikegibberish（乱码的）toeverycomputerexcepttheonewearesendingthenumberto.Lookfora“secureserver”optionbeforeenteringthecreditcardnumberonlineandthePINnumbers.Second,useanti-virussoftwaretoguardyourcomputerfrombeinghacked.Third,whenyourcomputercrashesdown,askhelpfromtheofficialmaintenanceservicedepartment.Don’tgivethecomputertothepersonthatcannotbetrusted.

LanguageFocus

Herearesomesentencesandstructuresthatyoumightfindusefulindiscussingtheabovequestions.

●Ihaveacomputerathome/inmydorm.

●Icanusethecomputersattheschoollibrary/atanInternetbar.

●Itypemypapers/coursework/usespreadsheetstosolveproblems/maketablesandgraphs/accesstheInternetonmycomputer.

●Thecomputerwillsuddenlycrash/freeze/catchavirus.

●Themousesometimesdoesn’tworkproperly.

●Thecursoronthescreendoesn’tmove.

●Ican’tstart/shutdownmycomputer/downloaddocumentsfromwebsites/copy/pastetablestomydocument.

●IhavesetupmyInternetaccount/haveacomputerwithInternetaccess/canaccesstheInternetonschoolcomputers.

●IspendeverysinglemomentofmysparetimeontheInternet.

●IsometimesspendhoursadaysurfingtheInternet/chattingwithpeopleontheInternet.

●Youcanreachotherswithinsecondsbye-mail/sende-mailtoanyoneifyouknowhisorhere-mailaddresses.

●Youcanchat/engageinactivediscussionwithfriends,relatives,orstrangersontopicsofsharedinterests.

●Youcanmakefriends/downloadsoftware/doshopping/huntforjobsontheNet.

●Youcanexpressyourviewpointsinyourblog.

●Lifeonlineisveryinformative/attractive/colorful.

●TheInternetprovidesup-to-dateinformationonaverywiderangeofsubjects/coversalmosteveryareaofstudy/givesyouasenseofconnectednesstopeopleacrosstheworld.

●StudentscanwidentheirknowledgeoftheworldthroughtheInternet.

●TheInternetliberatesteachersandstudentsfromtheoldconstraints/offershigh-qualityteachingandstudymaterials.

●TheInternetprovidesextrafunforrelaxation.

●Peoplecanplayreal-timecomputergames/listentotheirfavoritemusic/enjoynewHollywoodfilmsovertheInternet.

●TheInternetdoeswonderfulthingsbutaccessingitcanbequiteexpensiveforastudent.

●SpendingtoomuchtimeontheInternetmaykeepstudentsawayfromtheirschoolwork/causesomestudentstoskipclasses/hinderstudentsfromlearningpropersocialskills.

●Playinggamesonlineforhoursandhoursisveryharmfultoone’shealth.

●Youmayloseallyourdataifyourcomputerisattackedbyavirus/suddenlycrashes.

●Youmayfindyourprivacyinvadedifyoudonotsetupapowerfulfirewalltoprotectyourcomputerfromhackers.

●Hackerscanattackcomputers/changeusers’passwords/denyusers’access/stealdata/commiteconomiccrimes.

ListeningTasks

NathenDees

WordBank

surfv.tosearchthroughacomputernetworkforinformationorentertainment在网上浏览

screenn.theflatsurfaceofacomputermonitoronwhichpicturesorwordsaredisplayed屏幕

desperatea.nearlyhopeless绝望的

exclaimv.tocryoutsuddenlybecauseofsurprise惊呼

starev.togazeintently,esp.withwideopeneyes目不转睛地看

ambulancen.avehiclespeciallyequippedtotakeinjuredorsickpeopletothehospital救护车

crewn.allthepeoplewhoworktogether一队工作人员

alarmcallemergencycall求救呼叫

belinkedupwithtobeconnectedto与……接通

ringup（chieflyBrE）totelephone打电话

NathenDees（男子名）

SteffiMarks（女子名）

HeilbronnatowninsouthwestGermany海尔布隆（德国西南部城市）

Script:

OnawetSundaymorninginSydneylastyear,13-year-oldNathenDeesswitchedonhiscomputer.HewassurfingtheNet,lookingforsomeonetotalkto,whenhesawamessageonhisscreenfromagirlnamedSteffiwhowasonline:

“H-E-L-P”

“What’sthematter?

”Nathentyped.

“Ican’tbreathe.Helpme!

”camethedesperatereply.

“Isthisagame?

”askedNathen,ratherannoyed.

“No,itisn’t.I’mhavingtroublebreathing.Ican’tgetoutofmychair,”repliedSteffi.

Thealarmcallwasnotajoke.SteffiMarkswasa20-year-olduniversitystudentworkingonahistoryprojectaloneinherhouseinHeilbronn,Germany.WhilesurfingtheNetforinformation,shefeltasuddenpaininherlegs.Shetriedtogetoutofherchair,butshecouldn’tmove.Asthepainmovedtoherchestandmadebreathingalmostimpossible,shetypedhercryforhelp.

“Canyoucall000?

”Nathanasked.Hewaitedandgotashockwhenherreplycame.

“Whatis000?

”

000istheemergencyservicenumberinAustralia,butSteffididn’tknowshewaslinkedupwithanAustralian,andNathenhadn’trealizedtillthenthathewastalkingtosomeoneoutsideAustralia.

“Whereareyou?

”heasked.

Therewasalongpauseandfinallythelettersappeared,“Heilbronn,Germany.”Nathenexclaimedinsurprise.Hestaredatthescreen.Someoneinacountryfarawayneededhishelp.

“Don’tworry.I’llgethelpforyou.”Nathentypedback.“What’syourhomeaddress,Steffi?

”

Steffisentbackheraddressandaddedthatthepainwasgettingworse.

NathenquicklyranguptheinternationaloperatorandaskedtobeputthroughtoGermany.HeexplainedthesituationtotheoperatorthereandgaveherSteffi’saddress.Thenhetypedback,“Holdon,Steffi.Helpisnowontheway.”Hewaitedanxiouslyforareply.

Meanwhile,inHeilbronn,anambulancecrewgottheemergencycallandspedtowardstheaddresswithtwopoliceofficers.OnceatSteffi’shouse,theybrokedownthedoorandfoundheringreatpainoverthekeyboard.Shewasable,however,towriteonemorethingtoherAustralianrescuer.ThemessageNathenhadbeenwaitingforfinallyflashedontothescreen.

“Theyarehere.Thanks.Bye.”Steffiwasfinallysafe,thankstoayoungboyontheothersideoftheworld.

LanguageandCultureNotes

1.Sydney

themostpopulouscityinAustralia,situatedinthesoutheastcoastofthecountry.ItisthestatecapitalofNewSouthWales,