Unit3ReadingandThinkingandLearningAboutLanguage课件高中英语人教版选择性

Unit3EnvironmentProtectionReadingandThinkingEarthprovidesenoughtosatisfyeveryman’sneedsbutnoteveryman’sgreed.——Mohandask.Gandhi地球能满足每个人的需求，但满足不了每个人的贪婪。——莫罕达斯·卡拉姆昌德·甘地OpeningpageReadingandthinkingDiscussclimatechangeClimatechangerequirestheworld’sattentionSumupthestructureofthetextEvidenceofadramaticchangeinglobalclimate.Para.1Para.2TheimpactglobalwarminghadonEarth’secology.Thetwocommonmeaningsof“greenhouseeffect”.Evidenceofglobalwarmingleadingtoextremeweatheranddisasters.Para.5Para.3Para.4Bothgovernmentsandindividualsshouldtakemeasurestoreducegreenhousegasemissions.Summaryofthetext课文概要ThereisstrongevidencethattheincreaseintemperaturehadanimpactonEarth’secology.要点1要点2The“greenhouseeffect”,whichcausesglobalwarming,hastwocommonmeanings:the“natural”greenhouseeffectandthe“man-made”greenhouseeffect.TheformerkeepsEarth’sclimatewarmandhabitablewhilethelattercausesEarth’ssurfacetemperaturetorisequickly.要点3要点4Toreducegreenhousegasemissions,everyoneofuscanmakeadifference.Summaryofthetext课文概要1.WhythedeadpolarbearwasfoundonNorway’sArcticisland?Becauseithadtotravelgreaterdistancestofindfood.2.WhatdirectlycausedthedeathofthepolarbearmentionedinParagraph2?Lackoffood.3.Whatisthefunctionof“natural”greenhouseeffect?TosustainlifeonEarth.4.Whatisthepurposeofthelastparagraph?Tocallonustodoourbittoprotectourplanet.Readandanswerthefollowingquestions.Climatechangerequirestheworld’sattention.ExamplesIn2013，peoplewereshockedbyanewsphotoofadead_________.Expertssaidthatthebear____________

anddied.ThecaseshowedtheimpactthattheincreaseintemperaturehaveonEarth’s________.ecologypolarbearhavestarvedReadandfillintheblanks.________Thereare___kindsofgreenhouseeffect.NaturalgreenhouseguaranteestosustainlifeonEarth.But_________greenhouseeffectresultsinthetemperatureofEarth’ssurface______.ResultsTheriseintemperaturehasledtoanincreaseinextremeweatherandnatural_________.Causestwoman-­maderisingdisastersReadandfillintheblanks.SuggestionsGovernmentsshouldconsidermaking_______toreducegreenhousegasemissionsand_________alsoshouldlivealow­carbonlifestyle.individualspoliciesReadandfillintheblanks.1.Climatescientistshavewarnedthatifwedonottakeappropriateactions，thiswarmingtrendwillprobablycontinueandtherewillbeahigherpricetopay.2.Governmentsneedtoconsidermakingpoliciesandtakingappropriateactionsandmeasurestoreducegreenhousegasemissions.3.Weasindividualscanalsoreduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideourlifestylesproduce.4.Itisourresponsibilitytoseizeeveryopportunitytoeducateeveryoneaboutglobalwarming.找出课文中含有给出建议的语句并加以背诵LearningAboutLanguageBuildupyourvocabulary1.Completethesentencesusingthecorrectformsofthewordsinthebox.broadcastcomprehensiveecologystarveseizeTheAmazonbasin,knownasthe“thelungsoftheworld”,notonlyprovidessome__________balancefortheplanet,butalsofoodandresourcesforthelocalnatives.2.Thousandsofbabypenguins_______todeathbecausethechangingclimateforcedtheirparentstoleavethemandtravellongdistancesinsearchoffood.ecology

starved3.ManyexpertslinkChina’seconomicsuccesstothe____________reformthatChinahasundergonesince1978.4.Thespeakersaidthemediashouldmakemore__________thatspreadawarenessoftheclimatecrisisandpossiblesolutions.5.Todealwithclimatechange,wemust________theinitiativetodowhateverisnecessarytoprotectourenvironment.broadcastsseize

comprehensiveseize/taketheinitiative带头；采取主动2.Completethepassagewiththecorrectformsofthewordsinthebox.fuelpolicyreleaserestrictsustaintrendCarbondioxideis__________throughhumanactivitiessuchasdestroyingforestsandburningfossil_______,aswellasnaturalprocessessuchasvolcaniceruptions.Themeasurementsbyclimateexpertsshowarising________ofcarbondioxideemissions.releasedfuelstrendIfthiscontinues,ourplanetwillfacefurtherenvironmentaldisasters.Inresponsetothisenvironmentalissue,Chinaisimplementingsignificant________andmeasurestoaddressclimatechange,aimingto_______coalconsumption,promoteaharmoniousrelationshipbetweenmanandnature,builda___________energysystem,andadvocateamoderate,green,andlow-carbonlifestyle.policiesrestrictsustainablefuelpolicyreleaserestrictsustaintrend

语言核心知识部分LanguagePoints根据语境及汉语提示写出正确的单词或短语。（1）plota______(曲线图)ofheightagainstage（2）theconsequencesofhighgreenhousegas_________(排放)（3）________(融化的)iceandrisingsealevels（4）appeartohave________(挨饿)anddied（5）hunt______(海豹)（6）haveanimpactonearth’s_______(生态)graphemissionsmeltingstarvedecologyseals（7）_______(释放)theheatbackintospace（8）suchas________(甲烷)and_____________(二氧化碳)（9）keepearth’sclimatewarmand_________(适合居住的)（10）______(维持)life（11）burn__________(化石燃料)（12）strongand_____________(详尽的)evidence（13）naturaldisasters_________(世界范围)（14）thiswarming______(趋势)releasemethanesustaincomprehensiveworldwidehabitabletrendfossilfuelscarbondioxide根据语境及汉语提示写出正确的单词或短语。（15）frequently________(播放)newsreports（16）considermaking_________(政策)（17）reduceourcarbon_________(空间量；面积)（18）______(限制)theamountofcarbondioxide（19）_____(抓住)everyopportunity（20）theAmazon______(流域；盆地)（21）thousandsofbaby________(企鹅)

（22）undergothecomprehensive_______(改革)policiesfootprintseizebasinbroadcastrestrictpenguinsreform根据语境及汉语提示写出正确的单词或短语。（23）_________(贯彻；执行)significantpoliciesandmeasures（24）promotea___________(和谐的)relationshipbetweenmanandnature（25）advocatea_________(适度的),green,andlow-carbonlifestyle（26）_______(呈交)areport（27）______(每年的)carbondioxideemissions（28）thedestructionof________(热带的)forests（29）beresponsiblefor______(混乱)inthesubwaystationharmoniousmoderateannualimplementsubmittropicalchaos根据语境及汉语提示写出正确的单词或短语。（30）__________(代表)ourschool（31）promotea___________(和谐的)relationshipbetweenmanandnature（32）____________(核能)（33）a________(敏感的)subject（34）theAmazon______(丛林)harmoniousnuclearpowerjungleonbehalfofsensitive1.starvevi.&vt.(使)挨饿；饿死

Inordertolosesomeweight,thegirlisstarvingherself.为了减肥，那个女孩在节食。Anexpertwhohasstudiedpolarbearsformanyyearssaidthatfromthepositionofitsdeadbody,thebearappearedtohavestarvedanddied.一位研究北极熊多年的专家说，从北极熊尸体的位置来看，它似乎是饿死的。重点单词一【用法归纳】starvetodeath饥饿而死bestarvedfor/of迫切需要starvesb.into(doing)sth.使某人因饥饿而做某事【词汇拓展】starvationn.饥饿Theinjuredbirdneedstobefed,oritwillstarvetodeath.那只受伤的鸟需要喂养，否则它会饿死的。重点单词一翻译句子

1.Thechildreninthestrickenareasarestarvingfortextbooks.

2.Theout.policemensurroundedthewoodsinordertostarvethemurdererintocoming

活学活用灾区的孩子们急需教科书。警察包围了树林，想让凶手因饥饿而出来。重点单词一releasevt.&n.排放；释放；发布Theheatisreleasedbackintospaceatlongerwavelengths.热量以较长的波长释放回太空。Hecalledfortheimmediatereleaseofallpoliticalprisoners.他要求立即释放所有政治犯。

重点单词二【用法归纳】releasesb./sth.from...释放，放走；免除，解除releasesth.into…把……排放入onrelease发行Thevideohassoldthreemillioncopiesinitsfirstthreeweeksonrelease.该录像带推出前3周就卖出了300万盒。重点单词二

翻译句子

1.10,000balloonswerereleasedattheceremony.

2.Heisreleasinganalbumoflovesongs.

3.Coalpowerstationsreleasesulphurdioxideintotheatmosphere.

典礼上放飞了一万只气球。他即将推出一张情歌专辑。煤电站将二氧化硫释放到大气中。重点单词二活学活用sustainvt.维持；遭受；承受住Withoutthisprocess,Earthcouldnotsustainlife.没有这一进程，地球就无法维持生命。Everyaircrafttherehassustainedsomedamage.那里的每架飞机都受到了一些损坏。【词汇拓展】sustainableadj.可持续的;合理利用的重点单词三

翻译句子

1.Whichplanetscansustainlife?

2.Shemanagedtosustaineveryone’sinterestuntiltheendofherspeech.

3.Thecreationofanefficientandsustainabletransportsystemiscriticaltothelong-termfutureofthecity.

哪些行星可以维持生命的存在?她使每个人兴趣盎然，一直听她把话讲完。建立一套高效稳定的交通体系对城市的长远发展意义重大。重点单词三活学活用broadcastvt.&vi.(broadcast,broadcast)播送；广播；传播n.广播节目；电视节目Infact,newsreportsarefrequentlybroadcastaboutextremerainstormsandheatwavescausingdeathsandeconomiclosses.事实上，新闻报道经常播出极端暴雨和热浪所造成的死亡和经济损失。ThefirstbroadcastofVOASpecialEnglishwasonOctober19th,1959.美国之音慢速英语的第一次广播是在1959年10月19日。重点单词四翻译句子1.音乐会明晚将现场直播。Theconcertwillbebroadcastlivetomorrowevening.2.RadioCarolineusedtobroadcastfromaboatintheNorthSea.卡罗琳电台过去常在北海的一艘船上广播。重点单词四活学活用restrictvt.限制；限定；束缚Weasindividualscanalsoreduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideourlifestylesproduce.我们个人也可以通过限制生活方式产生的二氧化碳量来减少“碳足迹”。Thelongskirtrestrictedhermovements.长裙妨碍了她的行动。重点单词五【用法归纳】restrict…to…把……限制在……restrictyourself/sb.to(doing)限制你自己/某人（做）【词汇拓展】restriction

n.限制规定；限制法规；约束restricted

adj.受限制的重点单词五翻译句子1.有年幼的孩子往往会限制你的自由。Havingsmallchildrentendstorestrictyourfreedom.2.Werestrictthenumberofstudentsperclassto50.我们将每个班的学生人数限定为50人。3.Thegovernmenthasagreedtoliftrestrictionsonpressfreedom.政府已经同意撤销对新闻自由的限制。重点单词五活学活用句式分析：这是一个复合句。Thereislittledoubtthat引导的是同位语从句。Thereisno/littledoubtthat…毫无疑问……Thereislittle/nodoubtthateatingjunkfoodisharmfultohealth.1.ThereislittledoubtthatEarthisgettingwarmerandwarmer(seethegraph).毫无疑问，地球越来越暖和了(如图所示)。重点句型一【句式拓展】havedoubtabout/whether…怀疑……havenodoubtabout/whether…不怀疑……withoutdoubt=beyonddoubt毫无疑问；一定地nodoubt肯定地；想必Ihavesomedoubtwhethertheautumnsportsmeetingwillbeheldinourschool.我怀疑秋季运动会能否在我校举行。重点句型一doubt可作动词和名词。在否定句和疑问句中，doubt后跟that引导的宾语从句或同位语从句；在肯定句中，后接whether或if引导的宾语从句或whether引导的同位语从句。【温馨提示】Idon’tdoubtthatheistellingthetruth.我毫不怀疑他在讲真话。Idoubtwhetherwewillmakeaprofitoutofit.我怀疑我们是否能从此事中获利。重点句型一翻译句子1.毫无疑问,这些箱子后来被装上火车运往悉尼。ThereisnodoubtthattheboxeswerethenputonatrainforSydney.2.毫无疑问,你的参与会使我们的出游更加愉快。Thereisnodoubtthatyourparticipationwillmakeouroutingmoreenjoyable.活学活用重点句型一句式分析：本句是一个复合句。Thereisstrongandcomprehensiveevidence是主句，that引导的是同位语从句，用来说明evidence，其中，notonly...butalso引导的是动词-ing形式构成的短语，在句中作结果状语。2.Thereisstrongandcomprehensiveevidencethattheriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide,notonlycausingseriousdamage,b