Unit 4 新视野读写教程第三册教案Word文档格式.docx

Unit 4 新视野读写教程第三册教案Word文档格式.docx

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4.Tointroducethebasicreadingskillsofthisunit：

Lookingformajordetailsofaparagraph,inorderforthestudentstounderstanditclearly；

5.Tohelpthestudentsmasterhowtodevelopaparagraphofageneralstatementsupportedbyaproblem-solutionpattern.

ChiefPoints&

DifficultPoints

1.Getthemainideaofthepassage.

2.Mastersomeusefulexpressions&

sentencestructuresinthepassage.

3.Understandthestructureofthetext.

Prerequisites

Beforecomingforclass,studentsshould

1.Identifysomeimportantwordsforthetopic.

2.Scanthetextformainideas.

3.Visitlibrarytoresearchaboutinformationconcerningtheunit.

Teaching

Methods

Themixtureoflistening,speaking,reading,practicingandwriting

ReferenceBooks

Teacher’sBookofNewHorizonCollegeEnglish

LongmanDictionaryofContemporaryEnglish（English-Chinese）

OxfordAdvancedLearner’sEnglish-ChineseDictionary

LongmanDictionaryofAmericanEnglish

TeachingContents

TimeAllotment

SectionA

I.Warm-upActivity

1.TopicDiscussion

i.Student’sDiscussion

ii.Teacher’sSummary

2.QuestionsontheTopicandthePassage

II.BackgroundInformation

III.TextStructureAnalysis

IV.StructuredWriting 

V.DetailedStudyoftheText

1.WordsandPhrasesStudy

2.LanguagePoints

VI.TextSummary

1.Student’sPresentation

2.Teacher’sSummary

VII．After-textAExercises

SectionB

I.ReadingSkill

II.Warm-upActivity

1.TopicDiscussion

IV.TextStudy

1.ParagraphMeaning

2.WordsandPhrasesStudy

3.LanguagePoints

4.SummaryorMainIdeaofthePassage

i.Student’sPresentation

V.NewWordsDictation

VI.After-textBExercises

VII．SupplementaryExercises

15m

5m

10m

50m

30m

10m

20m

Assignments

1.Handinthehomework-books.

2.Finishtheotherafter-textA&

Bexercisesafterclass.

3.SupplementMoreExercises

i.English-ChineseTranslation（5sentences）

ii.Chinese-EnglishTranslation（10sentences）

4.PreviewUnit5

SectionA

TheTelecommunicationsRevolution

1）Whataretheadvantagesanddisadvantagesforthedevelopingcountriestoinvestvastsumsofmoneyinthetelecommunicationsrevolution?

Manydevelopingcountriesareplanningtoinvestvastsumsofmoneyintheirtelecommunicationsnetworkstoallowthemtocompetewithdevelopedcountries.What’smore,bydoingthis,itallowsthedevelopingcountriestobecomeimportantpartsoftheinformationsuperhighway.However,someexpertsfearthatsomedevelopingcountriesaretryingtodotoomuchtoosoon.

2）Workinpairsandfindouthowsixcountriesandregionsrealizetheirtelecommunicationstransformation,followingthisformat:

Country:

Russia

Situation:

rustingnationalphonesystem;

stronginmathematics&

science;

economyinrecession.

Solution:

installingoptionalfiber;

strategicplan;

pump$40billionintheproject

China

backwardness;

newtechnologiesbecomingcheaper

digitalswitchesandhigh-capacityopticalfiberlinksincapitalcities;

majorpartsoftheinformationsuperhighway;

turningShanghaiintoatopfinancialcenterwithpowerfulnetworks

Hungary

700,000peoplearewaitingforphones;

problemoffunds;

businessesaccepthigh-pricewirelessservice

solda30%staketotwoWesterncompanies;

leasedrightstobuildandoperateadvanceddigitalmobilesystems;

speedupphonesystembymeansofwireless

LatinAmerica

wirelessdemandandusage:

explodereason:

Latincustomerstalklongeronthephone;

wirelessmarket:

money-makingbusiness

haveoperationsofwirelessservice;

BellsouthCorporation:

annualrevenuepercustomerisabout$2,000（$850inUS）

Thailand

peoplewastetimeintrafficjams;

difficulttocallorfaxfromtheofficebecauseoflongwaitinglistforphonelines（2millionnames）

turntowireless;

businesspeoplestuckintrafficjams;

usemobilephonetokeepcontact

Vietnam

personincomeisjust$220

maketheboldestleaps;

allmobilephonesmustbedigitalmodel;

add300,000linesannually;

useexpensiveopticalfiberwithdigitalswitching,insteadofcheapercopperwires;

gofornext-generationtechnology

1）Accordingtothewriter,whatwouldhappenifthetransformationunderdiscussiontakesplace?

Thelivingstandardsinthedevelopingworldwillbegreatlyimproved.

2）Whatdoestheauthormeanbydescribingplacesas“deafanddumb”?

Theauthorreferstothoseplaceswithouttelecommunicationsfacilitiessuchastelephones,whichhindersexchangeofinformation.

3）Whyareadvancedcommunicationsseenasawaytoleapoverwholestagesofeconomicdevelopment?

Becauseadvancedcommunicationsandsubsequentwidespreadaccesstoinformationtechnologiesenablethedevelopingregionstoshortentheprocessofchangingfromlabor-intensiveassemblyworktoindustriesthatinvolveengineering,marketinganddesign.

4）WhydosomeexpertsbelieveitisinappropriateforVietnamtorequirethatitsmobilephonesallbeexpensivedigitalmodels?

BecausetheybelieveVietnamisdesperateforanyphonesanditlacksexperienceinweighingcostsandchoosingbetweentechnologies.

5）WhycanwirelessphoneprovidersmakemoreprofitsinLatinAmericathananyotherplaces?

BecauseLatinAmericancustomerstalktwotofourtimesaslongonthephoneaspeopleinNorthAmerica.

II.Backgroundinformation

Telecommunications

Telecommunications,fromGreek,means“communicationsatadistance”.Telecommunicationsthroughvoice,data,andimagecommunicationischangingtheworld.TheInternetandtheWorldWideWebhavealreadycreatedaglobalsystemfor

theaccessofinformation.E-mailmakesiteasytokeepincontactinstantlywithcolleaguesandfriendsaroundtheglobe.

Opticalfiber

Opticalfiber（or“fiberoptic”）oftenreferstothemediumandthetechnologyassociatedwiththetransmissionofinformationaslightpulsesalongaglassorplasticwireorfiber.Opticalfibercarriesmuchmoreinformationthanconventionalcopperwireandisingeneralnotsubjecttoelectromagneticinterferenceandtheneedtoretransmitsignals.

InformationAge

TheInformationAgeisaneraoffundamentalandglobalchangeinintellectual,philosophical,culturalandsocialterms.Today'

sInformationAgebeganwiththetelegraph.Itwasthefirstinstrumenttotransforminformationintoelectricalformandtransmititreliablyoverlongdistances.NewtechniquesofencodinganddistributingdigitalinformationarepromotingtheprogressoftheInformationAgethroughoutsociety.

Informationsuperhighway

AnamefirstusedbyformerUSvice-presidentAlGoreforthevisionofaglobal,high-speedcommunicationsnetworkthatwillcarryvoice,data,video,andotherformsofinformationallovertheworld,andthatwillmakeitpossibleforpeopletosende-mail,getup-to-the-minutenews,andaccessbusiness,governmentandeducationalinformation.TheInternetisalreadyprovidingmanyofthesefeatures,viatelephonenetworks,cableTVservices,onlineserviceproviders,andsatellites.IntheUS,theinformationsuperhighwayisalsoknownasNationalInformationInfrastructure.Theinformationsuperhighwaycanbeunderstoodtobeahighwaywhichhascomputertechnologyandmoderntelecommunicationstechnologyservingasthebaseoftheroadandfiber-opticcablesservingasthesurfaceoftheroad.The"

vehicles"

arethemultimediamachinesequippedwithcomputer,televisionandtelephone,andhighspeedtransmissionandexchangeofvariousmultimediainformationformthewebcoveringthewholenation.Ifthenationalsuperhighwaysallovertheworldarelinkedtogether,theglobalinformationsuperhighwaywillbecreated.

Thepassagedealswithoneofthepopularandcurrenttopicsoftoday---thetelecommunicationsrevolution.Thepassageexploresthetopicfromdifferentaspects:

theadvantagesoftelecommunicationstechnologies,questionsthatshouldbeconsideredwhendevelopingthenewtechnologiesindevelopingcountries,howdifferentcountriesmakeuseofthetelecommunicationstechnologies,andlastlytheconclusions.Thepassagecanbedividedintofourparts:

Thefirstpartismadeupoftwoparagraphs,Paragraphs1and2.Thetwoparagraphsfocusontheadvantagesoftelecommunicationsrevolution,especiallyfordevelopingcountries:

boostinglivingstandardsandpromotinginternalandforeigninvestment;

helpingthemstepdirectlyintotheInformationAgeandleapoverwholestagesofeconomicdevelopment;

makingthemchangefromalabor-intensivemodeltoahigh-techmodeltogainahugeadvantageovercountriesstuckwitholdtechnology.

ThesecondpartisParagraph3.Theparagraphputsforwardaquestionforconsideration:

howfasttodeveloptelecommunicationstechnologiesindevelopingcountries.TakingVietnamasanexample,thepassagesuggeststhatdevelopingcountriesshouldweighcostsandchoosebetweentechnologies.Thisisalsoatransitionalparagraphleadingto