高中英語 Unit2 Working the land listening listening課件 新人教版必修4.ppt
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Unit2 Listening Workingtheland Pre listeningonPage14 valleycompetitordeterminedpourcarrotscucumbers 河谷 山谷 競爭者 有決心的 堅決的 倒 澆 胡蘿卜 黃瓜 pumpkinsattackspreadlikewildfiresighsolid 南瓜 攻擊 襲擊 像野火般蔓延 迅速傳開 嘆息 堅實的 Listening Carrots cucumbers pumpkins Carrots cucumbers pumpkins chemical natural 1 water water emptyinside solidandhealthyinside Whydoyouthinktheresultsfromthetwofarmersaresodifferent BecauseMr Smithusednaturalfertilizerandkepthissoilhealthy whichhelpedhisplantsfightthediseaseandgrowhealthily 2 Lookatthesummariesofthestory Decidewhichiscorrectandexplainwhytheothersarewrong A Thisisastoryabouttwofarmerswhohatedeachother 3 F Thetwofarmersdidnothateeachotherthoughtheycompetedwitheachother B Thisisastoryaboutacompetitionandhowonefarmercheated Therewasacompetitionbutneitherfarmercheated F C Thisisastoryaboutonefarmerwhoworkedhardtoproducehealthycropsandtheotherwhodidnot Bothfarmerstriedtheirbesttoproducethehealthiestcrops D Thisisastoryabouttwowaysoffarmingandhowsuccessfultheywereagainstdisease F T Listeningtext Oncetherelivedtwoexcellentfarmersinaveryrichvalley Theygrewwonderfulcrops Theirfarmslaynexttoeachotherbutinsteadofbeinghappytogethertheywerecompetitors Neitherwouldagreethattheotherdidanythingrightwhen itcametofarmingpractices Assoonastheyheardofthelocalharvestcompetition theywerebothdeterminedtowin Mr Joneswentimmediatelytotheshopstobuyasmuchchemicalfertilizerashecould Hepoureditaroundhiscarrots cucumbersandpumpkins watered themeverydayandwatchedoverthem However Mr Smithplantedthesamecropsinsteadgavethemnaturalfertilizer HealsowateredhiscropsandwatchedthemgrowbecausehewantedtowinthecompetitionasmuchasMr Jones Butanewdangerousinsect begantoattackvegetablecrops ItspreadlikewildfirethroughthecountryuntilitcametothefarmsofMr JonesandMr Smith Mr Joneswasveryworried Heputevenmorechemicalfertilizerroundhisplantsandwatchedthemcarefully AtthesametimeMr Smithgavehis plantsmorewaterandmorenaturalfertilizerandwatchedthemcloselytoo Luckily bothfarmsseemedtohaveescapedthedisease Sixweekslaterthecompetitiondayarrived Mr JonesandMr Smithbothpickedtheircropsandmadethemlookbeautiful Theywaitedfor thejudgestocomeby Totheirsurprise eachjudgecarriedaknife TheytookthebestexampleofMr Jones andMr Smith scarrots cucumbersandpumpkinsandcuttheminhalf Astheydidsoasighwentupfromthosewatching Mr Jones carrots cucumbersand pumpkinswereallemptyinsidebutthoseofMr Smithweresolidandhealthy SoMr SmithwontheprizeandMr Jonescouldnotunderstandwhy Doyouknowwhy ListeningonPage48 1 Listening Putthesestagesofturningfertilelandintoadesertinorder Fertilefarmland Soilisblownaway Plantsdie Landbecomesdry Notenoughwater Soilturnstosand 1 5 4 3 2 6 2 Listentothetapeagainandanswerthequestions 1Whydoweneedtogrowplantstokeepourfarmlandfertile Theremaybemorethanonereason ATheystopthesoilblowingawayBTheymakethesoilbrown CTheykeepthewaterintheground DTheylookpretty 2HowdoweknowthatinthedesertinnorthAfricausedtobefarmland AItlooksasifitusedtogrowcrops BThereusedtobelotsofrain CThereusedtobealakethere DItproducedwheatinthefirstcenturyAD 3HowdoesLengJianliturnthedesertbackintofarmland ASheletsanimalsliveinthedesert BShewatersthesand CSheplantstreesinthesand D Sheputsmoresoilonthedesert 3 Answerthisquestion Whatadvantagesdoyouthinkthereareinturningdesertbackintofarmland Firstly thereismorelandthatcanbeusedtogrowfood Secondly thedesertcanbestoppedfromexpanding Listeningtext Doyouthinkdesertshavealwaysbeenthere Isitpossibleforfarmlandtobecomeadesert Candesertsbecomefarmlandagain Theseareimportantquestionsthatneedsomeanswers Desertshavenotalwaysbeenthere Possiblyadesertwasoncelandwhereplantsgrew Forexample oneofthebiggestdesertsintheworldinNorthAfricawasacorngrowingareainthefirstcenturyBC AllthebreadforthecityofRomecamefromwheatgrowninNorthAfrica Nowweknowthisareaisadesert Buthowdidthishappen Well farmlandcanbecomeadesert Ifthereislittlerain plantsdie Thelandgetssodrythatnomoreplantscangrow Thesoilisblownawaybythewindandthedrylandturnsintosand Asaresult desertstaketheplaceofthefarmland ThishashappenedinmanypartsoftheworldincludingChina Butdesertscanbecomefarmlandagainifgrassortreesareplantedinthesand InonepartofChinaanareaofdesertisturningbackintofarmland WhenLengJianli agirlinXinjiang marriedafarmershestartedplantingtreesinthedesertnearherfarm Shemissedthetreesofherhometown Shemadeuphermindtoplanttreesinthedesertnearherfarm Shemissedthetreesofherhometown Shemadeuphermindtoplanttreesinthedesertwithherhusband Theygrewtrees bushesandotherplantsthatneedalittlewater Theycarrywaterfromfarawayandtakeverygoodcareofthem Theyhavebeenworkingveryhardformanyyears Nowtheyareold Fewpeopleknewwhattheydountilafewyearsago Asatellitewasmakingamapoftheworld AsitflewoverwesternChinaitfoundagreenplace ThatwasthefarmlandwhereLengJianliandherhusbandweregrowingtheirnewtrees Theywereshowinghowitispossibletoturnadesertareabackintofertilefarmlandagain Herworkshowsitispossibleforonepersontochangetheenvironment下載提示(請認真閱讀)
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