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1、Unit9TelephoneCallsPartIPre-learningI.AimsforThisUnitBytheendofthislesson,studentsshouldbeableto:A.KnowPhoneCallEtiquette.B.Learnhowtomakeandrespondatelephonecall.C.Graspthewordsorphrasesrelatedtotelephonecalls.D.MastertherulesoftheperfecttenseofverbsTeachingContentsKey
2、words:address,horrid,clamor,justifiable,cannedmusic,indignity,accusation,timezonesPhrases:devote…to…shutupput…onholdsubject…toWordStudy:spoil,apply,suspect,insist,spellUsefulStructures:conj.+V-ingphraseWithout+V-ingphraseBeamustGrammar:PerfectTenseofVerbsKeywords:addres
3、s,horrid,clamor,justifiable,cannedmusic,indignity,accusation,timezonesPhrases:devote…to…shutupput…onholdsubject…toWordStudy:spoil,apply,suspect,insist,spellUsefulStructures:conj.+V-ingphrasWithout+V-ingphraseBeamustGrammar:PerfectTenseofVerbsCulturalBackgroundA.Thegener
4、aldevelopmentoftelephoneTelephonecomesfromtheGreekword“tele”,meaningfromafar,andphone,meaningvoiceorvoicedsound.Generally,atelephoneisadevicewhichconveyssoundoveradistance.Telephonehistorybeginsatthestartofhumanhistory.Manhasalwayswantedtocommunicatefromafar.Peoplehaveu
5、sedsmokesignals,mirrors,jungledrums,carrierpigeonsandsemaphorestogetamessagefromonepointtoanother.1OnMarch10,1876,inBoston,Massachusetts,AlexanderGrahamBellinventedthetelephone.acrudethingmadeofawoodenstand,afunnel,acupofacid,andsomecopperwire.2OnApril27,1877ThomasEdiso
6、nfiledapatentapplicationforanimprovedtransmitter,adevicethatmadethetelephonepractical.3OnJuly9,1877Sanders,Hubbard,andBellformedthefirstBelltelephonecompany.InDecember,1877WesternUnioncreatedtheAmericanSpeakingTelephoneCompany.4OnJanuary,281878Thepublicswitchedtelephone
7、networkwasborn.Inlate1879thefirsttelephonenumberswereused.Thenthetelephonescameintoawidelyusage.B.Differenttypesofcommonphonesfamilytelephonepublictelephonemobilephone/cellphoneIP-cardpublictelephone“Little-Smart”cellphoneI.KeyLanguagePoints1.wring:1）v.totwistandpress(s
8、th.)toremovewater拧,绞出,扭e.g.Shewrungthewettowelout.她把湿毛巾拧干。[相关搭配]wring(out)wetclothe把湿衣服拧干2)v.tosucceedingettin
