Unit+1+Nature+in+the+balance+复习课件 高中英语牛津译林版（2020）必修第三册

REVIEW

Book3Unit1

Natureinthebalance02010304Learningobjects：UnderstandanduselearnedvocabularyextensivelyMakeuseofcontexttopredictandcomprehendPromotepresentationandwritingskillsEnhanceenvironmentalawarenessandsocialresponsibilitySTEP1Wordguessinghabitat:aplacewhereanimalslive.HUMANACTIVITYwater/airpollutionwasteforestfirescarbonfootprintcarbonemissionsgreenhousegasemissionsENVIRONMENTALISSUESgreenhouseeffectresourcedepletionbiodiversitylossecosystemunbalancehabitatdestructiondeforestationHumanactivityclimatechangeglobalwarmingEnvironmentalissuesWhichwordcomestoyourmindwhenyouseethesepictures?STEP2PhrasesreviewingLastSaturday,Ourteacher____(give)usalectureabouttheAmazonRainforest.ThroughitweknowthattheAmazonrainforestisoneofthemostbiodiverse______(region)onEarthduetoitscomplexecosystems,hugemixofspeciesandgeneticvariety.regionsgaven.不同种类;变化;多样性;变种,变体[varyvi.(根据情况)变化;改变variousadj.各种不同的,各种各样的]

varyfrom...to...在…到…之间变化从…到…不等varywith/by...随…而变化(1)Inourdailylife，wewillcomeacross

(vary)difficulties，butweshouldtrytobreakthemdown.(2)AsinChina，theclimateinCanadavaries

thearea.(3)我有许多爱好，从打篮球到弹钢琴不等。(话题写作之个人生活)①Ihaveanumberofhobbies，____________________________________

.(非谓语动词)②Ihaveanumberofhobbies，____________________________________

.(定语从句)variouswith/byvaryingfromplayingbasketballtoplayingthepianowhichvaryfromplayingbasketballtoplayingthepianoTheAmazonrainforestbreatheslifeintotheplanetbyfixingcarbon_____producingmassoxygen.However,astheimpactofhumanactivitiescontinuestogrow,itisgetting______(smaller)andcould’tabsorbgreenhousegas,______mayconsequentlycauseglobalwarmingandmakeitharderforcreaturestosurvive.vi.&vt.生存;挺过(难关);幸免;幸存;活下来;生还;比……活得长(survivorn.幸存者survivaln.幸存;生还)survivesth幸免于；从…中活过来surviveon靠…存活下来andsmallerwhich(1)BaptisteDubanchetisbikingacrossEurope，survivingentirely______discarded(丢弃的)food.(2)Itisnecessarythatwemastersomebasicskills，whichwillgreatlyincreaseourchancesof

.Luckily，I

theterriblecarcrashlastweekandIwastheonly

oftheaccident.(survive)(3)生活不在于如何从暴风雨中幸存，而在于学会在雨中翩翩起舞。(读后续写之升华句)Lifeisn’tabout

whileit’saboutlearningtodanceintherain.onsurvivalsurvivedsurvivorhowtosurvivethestormExpertsaroundtheworldcomeup____creativeideasonhowtosolvetheseproblems.Somecallforthe____________(establish)ofnaturalreservesindefenceoftheAmazonrainforest,andothersappealtotheapplicationofmoderntechnology.withestablishmentn.辩护；防御；防御物；保护；国防；防守(defendvt.防御；保护，保卫；辩白；辩护defensiveadj.防御性的；自我保护的)indefenceof保卫…;为…做解释或辩护defendsb/sthfrom/againstsb/(doing)sth保护某人/物免受伤害;保卫某人/物(1)Localgovernmentsetupsomenaturalreserves_____defenceofanimalsclosetoextinction.(2)Bodylanguagecangiveawayalotaboutyourmood,sostandingwithyourarmsfoldedcansendoutasignalthatyouarebeing_________(defend)(3)我和妻子用胡椒喷雾(pepperspray)保护我们自己不受北极熊的攻击。MywifeandIusedpepperspray__________________________________bythepolarbear.indefensivetodefendourselvesfrom/againstbeingattackedLastSaturday,OurteachergaveusalectureabouttheAmazonRainforest.ThroughitweknowthattheAmazonrainforestisoneofthemostbiodiverseregionsonEarthduetoitscomplexecosystems,hugemixofspeciesandgeneticvariety.TheAmazonrainforestbreatheslifeintotheplanetbyfixingcarbonandproducingmassoxygen.However,asthe

impactofhumanactivitiescontinuestogrow,itisgettingsmallerandcould’tabsorbgreenhousegas,whichmayconsequentlycauseglobalwarmingandmakeitharderforcreaturestosurvive.Expertsaroundtheworldcomeupwithcreativeideasonhowtosolvetheseproblems.Somecallfortheestablishmentofnaturalreservesindefenceof

theAmazonrainforest,andothersappealtotheapplication

ofmoderntechnology.STEP3Sentencestranslating1.由于温室气体排放量的增加，大气变得越来越暖。(consequence)____________________________________________________________________________________________________________________________Theatmosphereisbecomingwarmerandwarmerasaconsequenceoftheincreasingemissionofgreenhousegases.2.是时候采取各种方法来保护地球免受污染了。(various)__________________________________________________________________________________________________________________________Itistimethatweshouldtakevariousmethodstoprotecttheearthfrompollution.3.请牢记重建我们绿色、清洁的地球需要我们每个人的努力和贡献。(callfor)__________________________________________________________________________________________________________________________Keepinmindthatrebuildingourgreenandcleanearthcallsforeveryone’seffortsandcontributions.STEP4ReadingComprehensionJapanreleasesFukushimawatertothePacificJapanisplanningonreleasingover1millionmetrictonsofradioactivewaterintothepacificocean.Asyoucanimagine,thisisconcerningbecausewhilemostofdangerouselementsoftheradioactivewatercanberemoved,thereisnotechnologythatremovesradioactivetritiumandreleasingitintothewatercouldhaveanunpredictableimpactonmarinelifeasitmovesitswaydownthefoodchainandbackintohumans.CountrieslikeSouthKoreahaveevenbannedseafoodfromwatersnearFukushimauntilthewateristested,whichishurtingthelivelihoodofmanyJapanesefihermenwhohavevocallyopposedtheplan.JapanandtheInternationalAtomicEnergysaythatthecontaminatedwaterwillbehighlydilutedandreleasedslowlyoverdacades.Sothetritiumlevelswouldmeetenvironmentalsafetyregulations.Butexpertscan’tseemtodecidehowmuchofariskthisis.WiththeCanadianNuclearSafetyCommissionstatingthattritiumitselfistooweaktopenetratetheskin,butcanincreasetheriskofcancerifconsumedinextremelylargequantities.1.Whichofthefollowingstatementsistrue？A.Thehighlydilutedwaterdoesnoharmtohumans.B.Itisdifficulttoremovemostofdangerouselementsoftheradioactivewater.C.Therisksofnuclearwastewaterdischargeremainunclear.D.TheJapanesepeoplealsosupportthedecisionoftheJapanesegovernment.2.Whichofthefollowingbestexplains“contaminated”underlinedinParagraph4?A.pollutedB.flowingC.cleanD.diluted3.Whatistheauthor’sattitudetowardJapanesereleasingradioactivewater?A.dismissiveB.indi