Lesson-3-Ships-in-the-Desert-高级英语第一册ppt课件.ppt
- 文档编号:30809557
- 上传时间:2024-01-30
- 格式:PPT
- 页数:108
- 大小:3.70MB
Lesson-3-Ships-in-the-Desert-高级英语第一册ppt课件.ppt
《Lesson-3-Ships-in-the-Desert-高级英语第一册ppt课件.ppt》由会员分享,可在线阅读,更多相关《Lesson-3-Ships-in-the-Desert-高级英语第一册ppt课件.ppt(108页珍藏版)》请在冰豆网上搜索。
LessonThreeShipsintheDesert,Warm-upDiscussion,DetailedStudy,Understandingofthetext,Exercises,Assignment,Topicfordiscussion,PRESENTATION,Warm-upDiscussion1.Listtheenvironmentalproblemsexistingonourplanetandgiveexamplesofhumanactivitiesthataffecttheenvironment,deforestation,acidrain,salinificationofsoils,wastegasemission,disposalofbatteries,contaminationofundergroundaquifers,ozonedepletion,oilspills,speciesextinction,desertification,lossofecologicalbalance,globalwarming(greenhouseeffect),2.MasspollutionofearthsoceansreachesalarminglevelsThehealthoftheworldsoceansisbeingdestroyedbyhumanbeings,andanewgroupcalledtheSeaweedRebelswantstodosomethingaboutit.Itsallpartoftheso-calledbluemovementthathopestoraiseawarenessofthedestructionnowbeingdishedoutontotheoceansbymankind.Sojustwhatismankinddoingtodestroytheoceans?
Forstarters,bypollutingourriversandstreams,weareindirectlypollutingtheoceans.Allthetoxicwasteproducts,theheavymetals,pesticiderunoff,andothertoxinsthatgointoourriversultimatelyemptyintotheocean.TheMississippiriver,forexample,eventhoughitstartsoutasclean,pristinewatersintheRockyMountains,endsupbecomingapolluted,toxicsoupbythetimeitflushesintotheGulfofMexico.,WealsopolluteouroceanwatersinmanyotherwayswepollutethemwithsoundpollutionthankstosonarbuoyslaunchedbytheU.S.Navy.Inanattempttocreateasonarnetthatcandetectenemysubmarines,weareeffectivelypollutingtheentireoceanwithsound.Thissound,ofcourse,interfereswithboththecommunicationandnavigationofoceancreaturessuchaswhalesanddolphins.Ontopofthat,humansalsousetheoceansasdumpinggroundsforallsortsoftoxicsubstancesandexperimentalprojects.Forexample,nuclearbombsaresetoffintheoceanorontopofsmallislandsinordertotesttheminrelativelylow-populationareas.Cruiseships,ofcourse,regularlydumptheirhumanwasteandtoxicchemicalsdirectlyintotheocean,withnoregardwhatsoeverforcleanlinessorsafetytooceanlife.,Therearemanymorewaysinwhichtheoceanisbeingpollutedbymankind,butthebottomlineisthatweashumanbeingshavenotonlydestroyedthebalancedecosystemonplanetearthandhavetakengreatstridestowardwipingouttherainforest,nowwerealsodestroyingthelife-givingoceansofthisplanetwithalarmingspeed.TheseSeaweedRebelsarenowgatheringforthefirsteverBlueVisionConferenceheldinWashington.Atthisconferencetheyareworkingonwaystohelppublicizethesadstateofoceanhealthcausedbymankind,aswellaswaystoinfluencepolicymakersandprivateindustrytobetterrespectthehealthofouroceans.,UnderstandingoftheText,TypicalexamplesofdestructionPara1theAralSea-thefourth-largestinlandseaintheworldtenyearsago-HotdrysandnowPara2theicewillthinbecauseofglobalwarming.Para6Equator(midwaybetweenthetwopoles),UnderstandingoftheText,TypicalexamplesofdestructionPara78NoctilucentCloudPara915Humankindsassaultontheearth:
someimagesPara16endThedominantcauseofchangeintheglobalenvironment-humancivilizationTherealsolution-reinventandfinallyhealtherelationshipbetweencivilizationandtheearth,Para.1theAralSea,QuestionforPara.1Whatturnedthemostproductivefishingsiteintoahotdrysand?
(WhyistheAraldisappearing?
)anill-consideredirrigationschemeItisbecomingsmallerandsmallerbecausethewaterthatusedtoflowintotheseahasbeenturnedawaytoirrigatethelandcreatedinthedeserttogrowcotton.Theschemewasanill-consideredonebecauseitfailedtotakeintoconsiderationtheecologicaleffect.,ThechangeoftheAralSea,TheAralSea,LanguagePointsinPara.1(theAralSea),1.theprospectsofagoodcatchlookedbleak.Itwasnotatallpossibletocatchalargeamountoffish.Thisisobviouslyanunderstatementbecausewithsandallaroundtherewasnochanceofcatchingfish,tosaynothingofcatchingalotoffish.Thefutureofthisfirmwillbeverybleakindeedifwekeeplosingmoney.要是我们继续亏本的话,这家公司的前途会非常黯淡。
ableakprospect前途暗淡IdontlikethebleakwintersinMoscow.我不喜欢莫斯科的严冬。
LanguagePointsinPara.1(theAralSea),ableakwind寒风Thousandsoftreeswereplantedonthebleakhillsidelastyear.去年在荒凉的山坡上种了数以千计的树。
2.Wherethereshouldhavebeengentleblue-greenwaves.therewasnothingbuthotdrysand.Payattentiontothestructure.Theimplicationisthatoncethereweregentlewaveslappingagainstthesideoftheshipbuttherewerenonenow.Instead,intheplaceofthewavestherewerestretchesofsand.,LanguagePointsinPara.1(theAralSea),LanguagepointsinPara.13.Theothershipsofthefleetwerealsoatrestinthesand,thatstretchedallthewaytothehorizon1)Howcouldtheothershipsbeatrestinthesand?
Theothershipswerealsoanchoredintheoriginalcoastbutnowwaterhadturnedintosandthereforetheyweresurroundedbysandandcouldnotmove.2)thatstretchedallthewaytothehorizon:
thatextendedasfarastheeyecouldsee;thatextendedtothefaroffplacewheretheskymeetstheearth,comparabletothelargestofNorthAmericasGreatLakes.1)comparable可以比较的(+with)Ourhouseisnotcomparablewithyours.比得上的(+to)ThemusicofIvringBerlinissobeautifulthatiscomparabletoBeethoven.2)comparative比较的,用比较方法的comparativeliterature比较而言,相对的acomparativesuccess相对而言的成功,Para.2&3,QuestionsforPara.2&31.Whydidthewritertravelaroundtheworld?
2.Whydidtheauthorsaythesunglaredthroughaholeinthesky?
Wherecomesthehole?
3.Whendidthemostsignificantchangeintheearthsatmospherebegin?
Whatdoesthechangerefertoandwhatcausedit?
Para.2&3,Answers:
1.Hetravelledaroundtheworldbecausehewantedtosee,checkandstudycasesofsuchdestructioninordertofindoutthebasiccausesbehindtheenvironmentalcrisis.2.Itreferstoozonedepletion.臭氧层空洞3.Itbeganwiththeindustrialrevolutionearlyinthe19thcentury.Therisinglevelsofcarbondioxide.Theburningofcoalandoil.,Chinahassetuptwoscientificresearchstationsthere:
ZongshanStationintheEastandGreatWallintheWest.(Trans-AntarcticMountainsdividethecontinentintotheEastAntarcticandWestAntarcticsubcontinents.),LanguagePointsinPara.2&3Trans-AntarcticMountains(SouthPole),1.thetunnelhewasdiggingthroughtime:
Hewasdrillingtogetsamplesfromtheglacier.Thedeeperhedrilled,thefartherthesampleintime;inotherwords,thesurfaceoftheglacierisanindicationofrecenttimewhilethedeeperpartoftheglaciertellsofsituationofamuchremoteperiod.2.crackedandpeeling:
Notetheuseofpastparticipleandpresentparticiple.Onthefacetherewerelinesthatweresplitopenandpiecesofskinwerecomingdown3.Hemovedhisfingerbackintimetotheiceoftwodecadesago.Followingthelayersoficeinthecoresample,hisfingercametotheplacewherethelayeroficewasformed20yearsago.,CleanAirAct,AmericanCongresspassedtheCleanAirActin1970,whichisoneoftheoldestenvironmentallawsoftheU.S.aswellasthemostfar-reaching,thecostliest,andthemostcontroversial.,LanguagePointsinPara.2&3,4.Industrymeantcoal,andlateroil,andwebegantoburnlotsofitbringingrisinglevelsofcarbondioxide(CO2),withitsabilitytotrapmoreheatintheatmosphereandslowlywarmtheearth.1)industrymeantcoal:
Thedevelopmentofindustrymeanttheuseoflargeamountofcoalasfueltogeneratepower2)risinglevel:
Theamountofcarbondioxideintheatmospheregrew.3)withitsabilitytotrapmoreheatintheatmosphere:
Heatcannoteasilygetthroughcarbondioxideandgointothehighaltitudesocarbondioxideplaystheroleofacover,keepingtheheatneartheearth,askiplane:
anairplanewithskisinsteadofwheelsforlandingandtakingoffinthesnow.),Para.3theglobalwarmingseenintheAntarctic,WhatsParagraph3talkingabout?
LanguagePointsinPara.4&5ArcticOcean(NorthPole),pitchpitchedatent;pitchourcamps搭帐蓬;扎营Tothrowortosssomething抛,扔,投:
投或抛出某物沥青,LanguagePointsinPara.4&5ArcticOcean(NorthPole),slab:
apiecethatisflat,broadandfairlythickaslabofcake/chocolate,LanguagePointsinPara.4&5ArcticOcean(NorthPole),frigid:
Extremelycold寒冷afrigidclimate严寒的气侯2.Notfriendlyorkind冷淡frigidwelcome冷淡的欢迎,rendezvous:
1.aprearrangedmeetingplace,especiallyanassemblypointfortroopsorships会面地点;指定集合地:
预先安排好的会面的地点,尤指部队或船只的集合地点2.Apopulargatheringplace受欢迎的聚会地方Thecafisafavoriterendezvousforartists.咖啡馆是艺术家们向往的聚会地ThisisoneofthegreatrendezvousofLondonforartists.这是伦敦最大的艺术家云集地之一。
LanguagePointsinPara.4&5ArcticOcean(NorthPole),LanguagePointsinPara.4&5ArcticOcean(NorthPole),1.tosecurethereleaseofpreviouslytopsecretdata:
toensurethemakingpublicofdatawhichwereoriginallyclassifiedastopsecret2.andthenIwasstandinginaneerilybeautifulsnowcape,windsweptandsparklingwhite,withthehorizondefinedbylittlehummocks,or“pressureridges”oficethatarepushedupliketinymountainrangeswhenseparatesheetscollide.1)eerily:
mysteriously,esp.insuchawayastofrightenordisturb2)snowcape:
sceneofsnowcf.landscape,seascapeandwaterscape,LanguagePointsinPara.4&5ArcticOcean(NorthPole),3)withthehorizondefinedbylittlehummocks:
withthestretchoficefieldcharacterizedbysmallridgesDefinitionsshouldnotbemoredifficulttounderstandthanthewordstheydefine.词语的定义不应比所解释的词语更难理解.Whenboundariesbetweencountriesarenotclearlydefined,thereisusuallytrouble.国与国之间的边界未明确划定时,通常会发生纠纷。
Themountainwassharplydefinedagainsttheeasternsky.那座山在东方天空的衬托下显得轮廓分明.,LanguagePointsinPara.4&5ArcticOcean(NorthPole),Thepowersofajudgearedefinedbylaw.法官的权限是由法律规定的。
Itshardtodefineexactlywhathaschanged.很难解释清楚到底
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Lesson Ships in the Desert 高级 英语 一册 ppt 课件