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1、实用文档Chapter1LanguageandLearningPart1Page41.Answerkey:1c2a3d4b5c6d7a8dPage62.Answerkey:1.yes2.yes3.yes4.no5.yes6.yesPage93.Answerkey:1.twopossibleanswer:eitherapproximately1billion(paragraph2)or400millionnativespeakersand400millionsecondlanguagespeakersandstudents(paragraph
2、1)2.morethan250million3.morethan100million4.over80percent5.nearly2006.20Page94.Answerkey:1.englishhasmoresecondlanguagespeakers,hasmorestudents,ismorewidespreadgeographicallyandismorewidelyusedinbusiness,technology,andscienceandasalinguafranca.2.Indiaand20Africannations.St
3、udentsmayhaveadditionalanswers.3.Answerswillvary.4.Answerswillvary.Thetextsuggestsinternationalairtravel.5.computersaregenerallydesignedandsupportedinEnglish.Eightypercentofcomputer-driveninformationisinEnglish,andmanysupportmanualsareprintedonlyinEnglish.Thearticledoesnot
4、statethepercentageoftheinformationontheInternetthatisinEnglish,butstudentscaninferthatitisveryhigh.6.Alinguafrancaisalanguagethatisusedasacommonlanguagefortwononnativespeakersofthatlanguage.So,forexampleifaDutchcheesevendorisnegotiatingcheeseexportstoJapaninEnglish,English
5、isbeingusedasalinguafranca.Englishisfrequentlyusedasalinguafrancainbusiness,politics,andscience.7.Answerswillvary.实用文档Focusontesting:Answerkey:bPage115.Answerkey:1.ABCAmericanBroadcastingCompany(alsoAustralianBroadcastingcompany)2.BBCBritishBroadcastingCorporation3.CBCCana
6、dianBroadcastingCorporation4.UNESCOUnitedNationsEducational,Scientific,andCultural,Organization.5.NATONorthAtlanticTreatyOrganization6.NAFTANorthAmericanFreeTradeAgreement7.etc.etcetera8.RADARradiodetectingandranging9.INTRPOLinternationalPolice10.ASAPassoonaspossible11.CDc
7、ompactdiskorcertificateofdeposit12.DVDdigitalvideodiskordigitalversatiledisk13.ESLEnglishasaSecondLanguage14.TOEFLTestofEnglishasaForeignLanguagePage127.Answerkey:1.Englishspeakingcountries2.ThedarkshadingindicatescountrieswhereEnglishisspokenasafirstlanguage,andthelightsh
8、adingindicatescountrieswhereEnglishisspokenasasecondlanguage.3.NorthAmerica,Europe,Austra
