2020版高考英语一轮复习Unit2Englisharoundtheworld课时作业（含解析）新人教版

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1、Unit2Englisharoundtheworld课时作业Ⅰ.阅读理解(2018·高考全国卷Ⅰ·C)Languageshavebeencomingandgoingforthousandsofyears，butinrecenttimestherehasbeenlesscomingandalotmoregoing.Whentheworldwasstillpopulatedbyhunter－gatherers，small，tightlyknit(联系)groupsdevelopedtheirownpatternsofspeechindependentofeachother.Somelangua

2、geexpertsbelievethat10,000yearsago，whentheworldhadjustfivetotenmillionpeople，theyspokeperhaps12,000languagesbetweenthem.Soonafterwards，manyofthosepeoplestartedsettlingdowntobecomefarmers，andtheirlanguagestoobecamemoresettledandfewerinnumber.Inrecentcenturies，trade，industrialisation，thedevelopmento

3、fthenation－stateandthespreadofuniversalcompulsoryeducation，especiallyglobalisationandbettercommunicationsinthepastfewdecades，allhavecausedmanylanguagestodisappear，anddominantlanguagessuchasEnglish，SpanishandChineseareincreasinglytakingover.Atpresent，theworldhasabout6,800languages.Thedistributionof

4、theselanguagesishugelyuneven.Thegeneralruleisthatmildzoneshaverelativelyfewlanguages，oftenspokenbymanypeople，whilehot，wetzoneshavelots，oftenspokenbysmallnumbers.Europehasonlyaround200languages；theAmericasabout1,000；Africa2,400；andAsiaandthePacificperhaps3,200，ofwhichPapuaNewGuineaaloneaccountsforw

5、ellover800.Themediannumber(中位数)ofspeakersisamere6,000，whichmeansthathalftheworld'slanguagesarespokenbyfewerpeoplethanthat.Alreadywellover400ofthetotalof6,800languagesareclosetoextinction(消亡)，withonlyafewelderlyspeakersleft.Pick，atrandom，BusuuinCameroon(eightremainingspeakers)，ChiapanecoinMexico(15

6、0)，LipanApacheintheUnitedStates(twoorthree)orWadjiguinAustralia(one，withaquestion－mark)：noneoftheseseemstohavemuchchanceofsurvival.【解题导语】　本文是一篇说明文。文章介绍了世界上语言的种类随着人类社会的发展而逐渐减少这一现象。1．Whatcanweinferaboutlanguagesinhunter－gatherertimes?A．Theydevelopedveryfast.B．Theywerelargeinnumber.C．Theyhadsimilarpa

7、tterns.D．Theywerecloselyconnected.【答案】　B　推理判断题。根据第一段中的“Somelanguageexpertsbelievethat10,000yearsago，whentheworldhadjustfivetotenmillionpeople，theyspokeperhaps12,000languagesbetweenthem.”可知，一些语言专家认为，一万年前，当世界上只有500