Unit6DevelopingideasⅡP92-95课件外研版八年级英语下册

Unit6DevelopingideasⅡP92-95LivingwithnatureLearningObjectivesInthisclass,youwillwriteashortpassageandexpresspersonalopinions.understandthetextaboutthekarezsystem,andmastervocabularyandphraseslikeunderground,surviveandprotect.readthepassageandfinishtheexercises.ReadingLead-inWhatcanyouseeinthisvideo?Lead-inWhatcanyouseeinthisvideo?1.Whatcanyouseeinthisvideo?I

canseethekarezsystem.(坎儿井）2.Whatdoyouthinkofthekarezsystem?

/kæ'rez/

Thekarezsystemisamazing!Itisaverycleverandoldwaytogetwaterindryplaces.Ithelpspeopleliveandgrowfood.Itisalsoagreattreasureofhumanwisdom.Lead-inLookatthepicturesandanswerthequestions.Usethewordsandexpressiontohelpyou.1.What’stheenvironmentlike?Theenvironmentisadesert,soithasahotanddryclimate.Thereislittlerainfall,sotheareafacesawatershortage.Itisdifficulttosurvivehere.Lead-inLookatthepicturesandanswerthequestions.Usethewordsandexpressiontohelpyou.2.Howdoesthesystemwork?Theprojectuseswellsandundergroundcanalstoprotectwaterfromdryingup.Thewaterrunstodifferentplaces.Itallowspeopletogrowplantsforfoodinsuchadifficultenvironment.Activity1Readquicklyandchoose.What’sthepassagemainlyabout?A.ThehistoryofJourneytotheWest.B.TheintroductiontothekarezsysteminTurpan.C.TheclimateoftheFlamingMountains.D.ModerntechnologyinXinjiang.Activity2Matchtheideawitheachparagraph.ThewaythekarezsystemworksanditsimportanceThelocationoftheFlamingMountainsThechallengeandfutureofthesystemTheclimateofthearea1YouprobablyremembertheFlamingMountainsfromJourneytotheWest.ButdoyouknowwheretherealFlamingMountainsare?TheyareinTurpan,intheeastoftheXinjiangUygurAutonomousRegion.Activity31.InwhichfamousliteraryworkistheFlamingMountainsdescribed?JourneytotheWest.2.WherearetherealFlamingMountains?TheyareinTurpan,intheeastoftheXinjiangUygurAutonomousRegion.Readpara.1andanswer.你可能还记得《西游记》中的火焰山。但你知道真正的火焰山在哪里吗？它们位于新疆维吾尔自治区东部的吐鲁番。Activity3Readpara.2andanswer.2.HowmuchrainfalldoesTurpangeteachyear?Thedesertsandcanbeashotas80°Cinmid-summer.1.What’sthetemperatureofthedesertsandinmid-summer?Only16mmayear.3.Howdopeoplesurviveinsuchaterribleclimate?Thesecretliesintheancientkarezsystem.Activity3Readpara.2andtranslate.

2It'sknownas

oneofthehottestareasintheworld.Thedesertsandcanbeashotas80℃

inmidsummer.That'senoughtomakeyourfeetburn!Itmaysoundcrazy,butthelocalscancookaneggonthedesertsand.RainfallinTurpanisonly16mmayear.ItisoneofthedriestplacesinChina.Howdopeoplesurviveinsuchaterribleclimate?Thesecretliesintheancientkarezsystem.它被称为世界上最热的地区之一。人们是如何在如此恶劣的气候中生存下来的呢？盛夏时节，沙漠沙粒的温度可高达80℃。吐鲁番的年降雨量仅有16毫米。它足以灼伤你的双脚！这听起来可能很疯狂，但当地人真的能在沙漠沙地上煎熟鸡蛋。秘密就在于古老的坎儿井系统。它是中国最干旱的地区之一。Activity3ReadPara.3andanswerthequestions.4.Howwasthekarezsystembuilt?1.HowmanywellsarethereintheTurpankarezsystem?2.Whatareunderthesewells?3.Howlongaretheundergroundcanalsinthisarea?Therearemorethan1,000wells.Largeundergroundcanals.Activity3ReadPara.3andanswerthequestions.4.Howwasthekarezsystembuilt?3.Howlongaretheundergroundcanalsinthisarea?Over5,000km.Allofthiswascompletedwithonlyhandtools.3ThekarezsysteminTurpanincludesmorethan1,000wells.Theyappearevery20-30metres.Someofthemare100metresdeep!Underthesewellsarelargeundergroundcanals.Waterfromthemountainsfallsintothewells.Itthenrunsundergroundinthecanals.Itiskeptcool

andsafefromthedesertheat.Thereareover5,000kmofundergroundcanalsinthearea.That'snearlyaslongastheYellowRiver!Thankstothekarezsystem,peoplecangrowplantsforfood

inthisdifficultenvironment.Andamazingly,allofthiswascompletedwithonlyhandtools!Nowonderit'samongthetopthreeprojectsofancientChina.Activity3吐鲁番的坎儿井系统包含1000多眼井。该地区的地下暗渠总长超过5000公里。Readandtranslate.有些井100米深！来自高山的雪水流入井中。水随后在暗渠中地下流淌。那几乎与黄河一样长！难怪它被列为中国古代三大工程之一。令人惊叹的是，这一切都是仅凭手工工具完成的！水保持凉爽，免受沙漠高温的侵袭。每隔20至30米就有一口。这些井的下方是巨大的地下运河。多亏了坎儿井系统，人们才能在这种恶劣环境中种植粮食作物。Activity3ReadPara.4andanswerthequestions.2.Whoistakingactiontoprotectthekarezsystemnow?Itfacesawatershortage.Becausethereislesswaterfromthemountains,lowerrainfallandalargeincreaseinwateruse.1.Whatproblemdoestheareafacenow?Why?Moreandmoreyoungpeoplearetakingactiontoprotectit.4Today,theareafacesawatershortage.Thereislesswaterfromthemountains,lowerrainfallandalargeincreaseinwateruse.Althoughmoderntechnologyissolvingsomeproblems,thekarezsystemstillplaysanimportantrole.Now,moreandmoreyoungpeoplearetakingactiontoprotectit.Thecenturies-oldwatersystemwillsurelybecarriedintothefuture.Activity3如今，该地区面临着水资源短缺的问题。但坎儿井系统依然发挥着重要作用。Readandtranslate.来自高山的融水减少，降雨量降低，用水量却大幅增加。尽管现代科技正在解决一些问题，这个有着数百年历史的水利系统，必将传承到未来。现在，越来越多的年轻人正采取行动保护它。Activity4Completethediagramwiththewordsandexpressionsfromthepassage.driestplaceshottestareasclimateActivity4Completethediagramwiththewordsandexpressionsfromthepassage.wellsundergroundrunsundergroundcoolandsafeActivity4Completethediagramwiththewordsandexpressionsfromthepassage.growplantsforfoodtopthreeprojectsActivity4Completethediagramwiththewordsandexpressionsfromthepassage.watershortageprotectActivity5Answerthequestions.1.Whydoesthewritermention“theFlamingMountains”atthebeginning?Bymentioningthiswell-knownplacefromJourneytotheWest,thewriterconnectswithreaders,attractstheirattentionandmakestheminterestedinreadingon.2.WhatcanyoutellaboutTurpanfrom“cookaneggonthedesertsand”?IttellsusthatTurpanisveryhot.3.What’sthemeaningofthetitle?Thetitlemeansthekarezsystemislikeahidden“river”thatbringslifetoTurpan’sdesert.Itquietlycarrieswaterundergroundsopeoplecansurviveandgrowfoodintheterribleclimate.Activity6Thinkandshare.1.Whatfactfromthepassagedoyoufindthemostinteresting?Why?Forme,themostinterestingfactisthatthesystemwascompletedwithonlyhandtools.Thecanalsaresolongandtherearesomanywells.Itisdifficulttodotheworkwithmachines,andusinghandtoolsisevenmoredifficult.Thinkandshare.Activity62.Withmoderntechnology,doyouthinkitisstillnecessarytokeepthekarezsystem?Whyorwhynot?Ithinkitisnecessarytokeepthekarezsystem.Althoughmoderntechnologycansolvesomeproblems,thekarezsystemstillplaysanimportantrole.Itworkswellandisanimportantpartofourhistory.Wecanusebothmoderntechnologyandthekarezsystemtoimprovethelivingenvironmentinthisarea.Activity7Writeapassageabouthowpeoplechangenature.Activity7Writeapassageabouthowpeoplechangenature.Step2Writeyourpassagewiththehelpofthechart.OpeningIntroducethetopic.·Whatisthesystem/ideaofchangingnature?

TheGrandCanal京杭大运河·Whereisit?

ItisfromnorthtosouthinChina.·Whendiditstart?

Itstartedover2,500yearsago.Activity7Writeapassageabouthowpeoplechangenature.Step2Writeyourpassagewiththehelpofthechart.BodyFurtherexplainthesystem/idea.·Whataresomeamazingfacts?It’sover1,700kmlong—oneofthelongestcanalsintheworld.·Howdoesthesystem/ideawork?Digriverstoconnectlakesandrivers,makewatertransporteasier.Activity7Writeastoryaboutapersonpassingonhelp.Step2Writeyourpassagewiththehelpofthechart.EndingSharetheimportanceofthesystem/ideaandsummariseyourthoughts.·Howimportantisit?Ithelpscarryfoodandgoods,savestimeandenergy.·Willpeoplekeepitinthefuture?Yes,itwill.Activity7

OnegreatexampleofpeoplechangingnatureistheGreatWallofChina.ItrunsacrossnorthernChina,andbuildingfirststartedover2,000yearsago.Thewallisover21,000kmlong—longerthanthedistancefromBeijingtoLondon!Peoplebuiltitwithstone,earth,andbricks,workingformanycenturies.Itcrossesmountainsandplains,changingthenaturallandscapeintoastrongdefenseline.Soldiersstoodwatchintowersandlitfirestosendwarningmessageswhenenemiescame.TheGreatWallisveryimportant.ItprotectedancientChinaandisnowasymbolofChineseculturelovedbyvisitorsfromallovertheworld.Peoplewillkeepitsafeforthefuture,soitwillalwaysstandasasignofhumanwisdom.ExampleActivity6Writeyourpassagewiththehelpofthechart.clearlyexplainhowthesystem/ideaworks?usethewordsandexpressionsfromthereadingpassage?giveyouropinionaboutchangingnature?Step4Shareyourpassagewiththeclass.Step3Step2Check.Didyou:Languagepoints1.YouprobablyremembertheFlamingMountainsfromJourneytotheWest.你或许还记得《西游记》中的火焰山。probably为副词，意为“大概；很可能”，在句中作状语，通常放在实义动词之前，be动词、助动词、情态动词之后，用来表示对事情的推测，语气较为委婉。例如:Itwillprobablyrainthisafternoon.今天下午很可能会下雨。1.YouprobablyremembertheFlamingMountainsfromJourneytotheWest.你或许还记得《西游记》中的火焰山。probably的形容词为probable，意为“很可能的”。例如:Lightrainisprobabletomorrowevening.明天傍晚很可能会有小雨。2.TheyareinTurpan,intheeastoftheXinjiangUygurAutonomousRegion.它们位于新疆维吾尔自治区东部的吐鲁番。intheeastof...表示“在……的东部”，需注意此处的in表示“在……的内部”。拓展：ontheeastof...表示“在……的东边（外部，接壤）”totheeastof...表示“在……的东边（外部，不接壤）”2.TheyareinTurpan,intheeastoftheXinjiangUygurAutonomousRegion.它们位于新疆维吾尔自治区东部的吐鲁番。例如:ShandongisintheeastofChina.山东在中国的东部。（内部）NorthKoreaisontheeastofChina.朝鲜在中国的东边。（接壤）JapanistotheeastofChina.日本在中国的东边。（不接壤）3.Thesecretliesintheancientkarezsystem.秘密就在于古老的坎儿井系统。lie在此处作动词，意为“（问题、答案、责任等）存在，在于”。拓展：lie的不同含义：含义词性过去式过去分词现在分词在于/躺/位于不及物laylainlying说谎不及物liedliedlying3.Thesecretliesintheancientkarezsystem.秘密就在于古老的坎儿井系统。例如:Successliesinhardwork.成功在于努力工作。Thecatislyinginthesun,enjoyingthewarmth.那只猫正躺在阳光下，享受着温暖。Thebeautifultownliesatthefootofthemountain.那座美丽的小镇坐落在山脚下。4.Itiskeptcoolandsafefromthedesertheat.它保持凉爽，免受