高中英語 Unit2 Working the land listening listening課件 新人教版必修4.ppt
《高中英語 Unit2 Working the land listening listening課件 新人教版必修4.ppt》由會員分享,可在線閱讀,更多相關(guān)《高中英語 Unit2 Working the land listening listening課件 新人教版必修4.ppt(28頁珍藏版)》請在裝配圖網(wǎng)上搜索。
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- 1.請仔細閱讀文檔,確保文檔完整性,對于不預覽、不比對內(nèi)容而直接下載帶來的問題本站不予受理。
- 2.下載的文檔,不會出現(xiàn)我們的網(wǎng)址水印。
- 3、該文檔所得收入(下載+內(nèi)容+預覽)歸上傳者、原創(chuàng)作者;如果您是本文檔原作者,請點此認領(lǐng)!既往收益都歸您。
下載文檔到電腦,查找使用更方便
9.9 積分
下載 |
- 配套講稿:
如PPT文件的首頁顯示word圖標,表示該PPT已包含配套word講稿。雙擊word圖標可打開word文檔。
- 特殊限制:
部分文檔作品中含有的國旗、國徽等圖片,僅作為作品整體效果示例展示,禁止商用。設(shè)計者僅對作品中獨創(chuàng)性部分享有著作權(quán)。
- 關(guān) 鍵 詞:
- 高中英語 Unit2 Working the land listening listening課件 新人教版必修4 課件 新人 必修
鏈接地址:http://www.hcyjhs8.com/p-5547944.html