unit12the.docx

unit12the.docx

《unit12the.docx》由会员分享，可在线阅读，更多相关《unit12the.docx（18页珍藏版）》请在冰豆网上搜索。

unit12the

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