国际交流英语视听说unit4课后答案

Unit4HousingBook1Unit4HousingFurtherListeningListening1A|Listentoatalkaboutstrawhousesandchoosethemainideaofthetalk.a.BuilderMichaelFurbishusesstrawtomakebuildings.b.Astrawhouseisanotherwayto“gogreen”.c.Strawbalesareusedtobuildhousesandschools.√AnswerKeysBuildingahousefromwoodmeanscuttingdowntreesanddamagingtheenvironment.Strawisakindofgrass,andittakeslittleenergytogrow.1.Whyisstrawabettermaterialtobuildahousethanwood?Listening1AnswerKeysAfterthestrawisdry,farmersuseamachinetomakebales—largerectangularbricksofstraw.Then,buildersbuildwallswiththebales.Whentheyfinishthewalls,theycoverthemwithplasterinsideandoutside.2.Howdopeoplemakestraw-balehouses?Explaintheprocess.Listening1AnswerKeysFurbishusedabout900strawbalesforhisfamily’shouse.Hiscompanyusedabout4,000balestobuildanelementaryschoolinMaryland.3.HowmanystrawbalesdidFurbishusetobuildhisfamily’shouse?AndhowmanybalesdidhiscompanyusetobuildanelementaryschoolinMaryland?Listening1AnswerKeys1.T2.F(Youdon’thavetobeaMexicancitizentoownpropertyhere.)3.TListening2AnswerKeysListening2VacationHomesinBajaCaliforniaBenefitsWorries•2coasts:PacificOceanandSeaofCortez(sealifee.g.dolphins,whales,unusualfish)•beautifulmountainsanddeserts(forhikingandsightseeing)•moreandmorepeoplemovetoB.C.(growthcoulddamageenvironment)•verydry(enoughdrinkingwaterforeveryone?)AnswerKeysBajaCaliforniahascoastsonthePacificOceanandtheSeaofCortez,sotouristscanenjoysealifesuchasdolphins,whales,andunusualfish.Itsbeautifulmountainsanddesertsarealsoexcellentforhikingandsightseeing.Listening21.WhyisBajaCaliforniapopularforvacation?AnswerKeysThehousinggrowthinBajaCaliforniamaycausedamagetotheenvironmentasmoreandmorepeoplemovein.BajaCaliforniaisalsoverydry,sohavingenoughdrinkingwaterforeveryoneisanotherconcern.Listening22.Whyaresomepeopleworriedaboutthehousinggrowth?InBarcelona,Spain,bothvisitorsandresidentsofthecityknowaboutthearchitectAntoniGaudí.TheCasaMilàisperhapshisbest-knownbuilding.Fromtheoutside,thewallslooklikenaturalstone.Ontheroof,severallarge,unusualworksofartareactuallychimneys—theycarryawaygasesfromcookingandheatingfrominsidetheapartments.TheCasaBatllóisanotherofGaudí’sapartmentbuildings.Theoutsideofthebuildingisverycolorful,andit’seasytoseethatGaudíwasanartistaswellasanarchitect.Noteveryapartmentisspacious,buteachapartmenthasabalcony,soresidentscanstandoutsidetheirbedroomsorlivingroomsandseethestreetbelow.Listening3AnswerKeys