2024-2025學(xué)年高二英語人教版選擇性必修第三冊教學(xué)課件 UNIT 3 Reading and Thinking

UNIT3ENVIRONMENTALPROTECTION

ReadingandThinkingReadingandThinkingWhatconsequencesmaytheclimatechangecause?Lead

innohabitatdroughtfloodWhatconsequenceshaveyoulearnt?Beforeyouread，lookatthegraph

andthepicturebelowanddiscussthesequestionsingroups.Activity11

Whatisthegraphabout?Whatinformationcanyougetfromit?ThegraphshowsthechangeintheGlobalSurfaceTemperaturebetween1920and2016.Itshowsthetemperatureanomaly，whichshowshowmuchthetemperaturehasrisenabovewhatitwouldusuallybeatabaselevel. 2

Haveyoueverseenthephotobefore?Whatmightbethestorybehindit?Ihaven’tseenthisphoto，butIhaveseenphotoslikeit.Thestoryisthatthepolarbearstarvedtodeathbecauseitcouldnotfindenoughtoeat.1

Whathappenedto

thepolarbearinthephoto?Whydidthewriterwriteaboutit?2

Whyisthe“natural”greenhouseeffectimportantandnecessary?Readthetextandanswerthequestions.Activity2Thepolarbearinthephotodiedofstarvation.Thewriterwroteaboutitbecauseit

showedoneoftheeffectsofrisingtemperaturesduetoclimatechange. The“natural”greenhouseeffectisimportantbecauseitwarmstheEarth’ssurfaceand

keepsithabitable.3

Whataretheconsequences

ofhighgreenhousegasemissions?4

Whydidtheauthormentiontheclimatescientists’warning?5

Whatistheauthor’spurposeofwritingthistext?Highgreenhousegasemissionsleadtomoreheatenergybeingtrappedinthe

atmosphereandrisingtemperatures.

Theauthormentionedtheclimatescientists’warningbecauseitisessentialthatwetake

actionandsoitneedstobebroughttoeveryone’sattention.

Theauthor’spurposeistoinformthereadersandinspirethemtodowhatevertheycan

todealwiththisproblem.

CLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONTextCLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONWehaveknownaboutclimatechangefordecades.ThereislittledoubtthatEarthisgettingwarmerandwarmer（seethegraph）.Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.In2013，alotofpeoplewereshockedbyanewsphotoofadeadpolarbearthatwasfoundonNorway’sArcticislandofSvalbard.Accordingtothescientistswhofounditsdeadbody，allthatremainedofthepolarbearwas“skinandbones”.Anexpertwhohasstudiedpolarbearsformanyyearssaidthatfromthepositionofitsdeadbody，thebearappearedtohavestarvedanddied.Expertsclaimedthatlowsea-icelevelscausedbyclimatechangemeantthebearcouldnothuntsealsasbefore，soithadtotravelgreaterdistancesinordertofindfood.ThisalarmingcaseshowedhowtheincreaseintemperaturehadanimpactonEarth’secology.Thenwhatiscausingtheincreaseintheglobalaveragesurfacetemperature?Climatescientistsoftenmentionakeyclimateprocesscalledthe“greenhouseeffect”，whichhastwocommonmeanings：the“natural”greenhouseeffectandthe“man-made”greenhouseeffect.The“natural”greenhouseeffectreferstothefactthatheatfromthesunenterstheatmosphereandwarmsEarth’ssurfaceasshort-waveradiation.Theheatisreleasedbackintospaceatlongerwavelengths.Greenhousegasesintheatmosphere，suchasmethaneandcarbon

dioxide，trapsomeoftheheat，keepingEarth’sclimatewarmandhabitable.Withoutthisprocess，Earthcouldnotsustainlife.However，the“man-made”greenhouseeffecthasnowbecomeabigproblem.Whenpeopleproducehugeamountsofextragreenhousegasesbyburningfossil

fuels，moreheatenergyistrappedintheatmosphereandcausesEarth’ssurfacetemperaturetorisequickly.Thereisstrongandcomprehensiveevidencethattheriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide，notonlycausingseriousdamage，butalsocostinghumanlives.Climatescientistshavewarnedthatifwedonottakeappropriateactions，thiswarmingtrendwillprobablycontinueandtherewillbeahigherpricetopay.Infact，newsreportsarefrequently

broadcastaboutextremerainstormsandheatwavescausingdeathsandeconomiclosses.Continuedgreenhousegasemissionswillresultinfurtherwarmingandlong-lastingchangestotheglobalclimate.Thisrequirestheattentionofpeopleallovertheworld.Governmentsneedtoconsidermakingpoliciesandtakingappropriateactionsandmeasurestoreducegreenhousegasemissions.Weasindividualscanalsoreduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideourlifestylesproduce.Itisourresponsibilitytoseizeeveryopportunitytoeducateeveryoneaboutglobalwarming，alongwithitscausesandimpacts，becausethisisthemostseriousissueaffectingallofusonthisplanet.Sowhatwillyoudotohelp?FindthemainideaforeachpartPreparationPart1(Para.1-2)Part2(Para.3)Part3(Para.4)Part4(Para.5)TheevidenceofdramaticclimatechangethathadanimpactonEarth’ecologyThecausesoftheincreaseintheglobalaveragesurfacetemperatureTheconsequences

oftheriseintemperatureThesolutionstoreducinggreenhousegasemissionsReadingClimatechange

Evidence

SolutionsCauses

Effects

GreenhouseeffectScanandfinishthemindmapReadthetextagainandcreateadiagramdescribinghowthegreenhouseeffectworks.Activity3ThegreenhouseeffectD.HeatenterstheatmosphereB.ReflectedsunlightEarthAtmosphereC.Heatreflectedbacktoearth’surfaceA.Heatreleasedbackintospace

ADCABDiscussthesequestionsingroups.1

Whatexamplesofextremeweatheranddisastersdoyouknow?Canyoumakealist?2

Doyouthinkclimatechangeistheresultofhumanactivity?Giveyourreasons.3

Whodoyouthinkshouldtakeresponsibilityfordealingwithclimatechange?Whatcanwedo?Activity4TherearesadlymanyexamplesofextremeweatheranddisastersIknowof，suchastheextremerainfallinFranceandthedroughtinEastAfricain2014.Therewerealsoheatwavesonnearlyeverycontinentduetoclimatechange.Idothinkthatclimatechangeistheresultofhumanactivitiesbecausethemajorityofscientistsalsothinkso，andalsobecauseglobaltemperatureshavefollowedtheriseinglobalemissionsandpopulation.Ithinkweallneedtotakeresponsibilityfordealingwithit.Individualscanchangetheirbehaviourandtrytoreducetheircarbonfootprint，whilecompaniesandgovernmentscandothesameonthelargerscale.課文結(jié)構(gòu)圖解Ⅰ閱讀理解（根據(jù)課文內(nèi)容選擇正確答案）1.What’sthefunctionofthefirstparagraphofthetext?A.Tointroducethetopic. B.Totellusclimatechangehasbeenknownfordecades.C.Toshowtheevidenceofclimatechange.D.ToconfirmthatEarthisgettingwarmerandwarmer.2.Whyisthephotoofadeadpolarbearmentioned?A.Todescribehowpeoplewereshocked. B.ToshowhowglobalwarminginfluencedEarth’secology.C.Tostudyhowthebeardied.D.Toexplainwhythebearwasstarvedtodeath.○○課文預(yù)習(xí)自測3.What’sthemainideaofthethirdparagraph?A.Howglobalwarminghascomeabout.B.The“greenhouseeffect”hastwocommonmeanings.C.The“natural”greenhouseeffectismoreimportantthanthe“man-made”greenhouseeffect.D.The“man-made”greenhouseeffecthasbecomeaseriousproblem.4.Whydoesclimatechangerequiretheworld’sattention?A.Thenumberofpolarbearsissmallerandsmaller.B.Newsreportsareoftenbroadcastaboutextremerainstormsandheatwavescausingdeathsandlosses.C.Governmentscanforcepeopletoreduce“carbonfootprint”.D.Itisaffectingallofusontheplanetandifitisleftalone，wewillpayanevenhigherprice.○○Ⅱ語法填空（根據(jù)課文內(nèi)容和語法規(guī)則完成短文）Thereislittledoubt1________

Earthisgettingwarmerandwarmer.In2013，alotofpeople2_____________（shock）byanewsphotoofadeadpolarbear3__________

appearedtohavestarvedanddied.This4__________（alarm）caseshowedhowtheincreaseintemperaturehad5________

impactonEarth’secology.

Thenwhatiscausingtheincreaseintheglobalaveragesurfacetemperature?Climatescientiststhinktheprocess“greenhouseeffect”，makesitpossibleforEarth6__________（sustain）life.However，the“man-made”greenhouseeffectmakesmoreheatenergy7________（trap）intheatmosphereandcausesEarth’ssurfacetemperaturetorisequickly.

Theriseintemperaturehasledtoanincreaseinextremeweatherandnatural8________（disaster）worldwide.Newsreportsare9__________（frequent）broadcastaboutextremerainstormsandheatwaves.Thisrequirestheattentionofpeopleallovertheworld.10________

isalsoourresponsibilitytoseizeeveryopportunitytoeducateeveryoneaboutglobalwarming.thatwereshockedthat/whichalarmingantosustaintrappeddisastersfrequentlyItⅢ概要寫作閱讀課文，根據(jù)其內(nèi)容寫一篇60詞左右的內(nèi)容概要。Onepossibleversion:

It’shightimethattheworldshouldfocusonclimatechangecausedbyglobalwarming，whichhashadaneffectonEarth’secology.（要點1）Accordingtoclimatescientists，the“greenhouseeffect”，includingthe“natural”greenhouseeffectandthe“man-made”greenhouseeffect，makesitpossibleforEarthtosustainlife，butextra“man-made”greenhousegascausestheincreaseintemperature.（要點2）Inturn，itresultsinclimatechange，sometimesdoingseveredamage.Thisissueiswellworththeattentionofpeopleontheplanet.（要點3）核心詞匯教材原句p.26 ...thebearappearedtohavestarvedanddied.……這只熊似乎是餓死的。1starvevi.&vt.（使）挨餓；餓死；缺乏 starvetodeath餓死

bestarving感覺很餓，餓極了

bestarvedof/for缺乏……Theanimalswerelefttostarvetodeath.Whoistoblame?動物們被活活餓死了。這該怪誰呢？［詞匯復(fù)現(xiàn)］Thankstoyourfood.I’mstarving!多虧了你的食物。我餓極了?。墼~匯復(fù)現(xiàn)］Thedepartmenthasbeenstarvedofsubstantialresources.這個部門一直缺乏大量的資源。［詞匯復(fù)現(xiàn)］【詞語積累】starvationn.饑餓；挨餓；餓死dieof/fromstarvation餓死

搭配題組練·領(lǐng)悟方法單句語法填空（1）They’lleitherdiefromthecoldorstarve__________

death.（2）Whenwillthedinnerbeready?We___________

（starve）.（3）Thepoorkidisjuststarved__________

attention.（4）Helooksforwardtothedaywhennoonewilldieof__________（starve）.完成句子（5）Manypeople___________________（餓死）aftertheearthquakeasaresultofthedelayofthesupplies.toarestarvingof/forstarvationstarvedtodeath教材原句p.26ThisalarmingcaseshowedhowtheincreaseintemperaturehadanimpactonEarth’secology.這一令人震驚的案例表明，氣溫升高對地球生態(tài)產(chǎn)生了怎樣的影響。2haveanimpacton對……有影響；對……造成影響ThereisnoproofthatFrenchhadanimpactontheChineselanguage.沒有證據(jù)表明法語對漢語有影響。［詞匯復(fù)現(xiàn)］Cancerstemcellshaveanimpactontheoutcomeofdisease.癌癥干細胞對疾病的結(jié)果有影響。［詞匯復(fù)現(xiàn)］【詞語積累】haveaneffect/influenceon...對……有影響 單句語法填空（1）Questionsthatleadthemintoemotionalstateswillalsohaveanimpact__________

theirresponses.（2）Whatthepregnantmothereatswillhave__________

impactonthebaby’sdevelopment.完成句子（3）［詞匯復(fù)現(xiàn)］Whateveryoudowill___________________________________（對……有影響）society，sobehavewell.onanhaveanimpact/effect/influenceon教材原句p.26The““natural”greenhouseeffectreferstothefactthatheatfromthesunenterstheatmosphere...“自然”溫室效應(yīng)指的是來自太陽的熱量進入大氣層……3referto（to是介詞）（1）指的是Peoplewhoarelikelytosucceedrefertothosewhoareambitious.可能成功的人是指那些有抱負的人。［詞匯復(fù)現(xiàn)］（2）提到，談到搭配：referto...as...把……稱為……Shereferredtoastrangesolidinherreport.她在報告中提到了一種奇怪的固體。［詞匯復(fù)現(xiàn)］Thechildreferredtothecolorfulribbonasrainbow.那個孩子把彩帶稱為彩虹。［詞匯復(fù)現(xiàn)］（3）參考，查閱Youcanrefertotheexcellentmechanic’snotesifyouwant.如果你想的話，你可以參考優(yōu)秀技工的筆記。［詞匯復(fù)現(xiàn)］Pleaserefertoadictionarytocheckthespelling.請查一下詞典看看拼寫是否正確。【歸納拓展】（1）refer...to...把……送交給……（以求獲得幫助等）（2）referencen.提及，涉及；查閱，參考；推薦信in/withreferenceto關(guān)于forfuturereference供日后參考 單句語法填空（1）WealwaysrefertoBen__________“aniceboy”.（2）WhilegivingtheEnglishspeech，oneisnotallowedtorefer__________

thenotes.（3）You’dbetterwritedownthephonenumberofthatrestaurantforfurther__________（refer）.完成句子（4）Theheadmasterspokeatthemeetingfornearlyanhourwithout_____________________（參考）hisnotes.（5）Ipromisenot____________________（提到）thismatteragain.（6）Ihavenothingtosay____________________（關(guān)于）theagreement.（7）English____________________（被稱為）auniversallanguage.astoreferencereferringtotorefertoin/withreferencetoisreferredtoas教材原句p.27Theheatisreleasedbackintospaceatlongerwavelengths.熱量以更長的波長釋放回太空。4releasevt.&n.排放；釋放；發(fā)布releaseaprisoner釋放囚犯 areleasefromprison從獄中釋放releaseamovie發(fā)行影片 thelatestrelease最新發(fā)行的產(chǎn)品Inthefoggymorning，theenemyreleasedtheworkersfromtheawesomequarry.在霧蒙蒙的早晨，敵人把工人們從可怕的采石場里釋放了出來。［詞匯復(fù)現(xiàn)］Policehavereleasednofurtherdetailsabouttheaccidentintheharbour.關(guān)于在港口發(fā)生的事故，警方?jīng)]有透露更多的細節(jié)。Theneweditionofthedictionarywithnewidiomswillbereleasedlaterthismonth，asyouanticipate.如你所料，新版成語詞典將于本月晚些時候出版。［詞匯復(fù)現(xiàn)］

單句語法填空（1）Theprisonerhasservedhissentenceand______________（release）tomorrow.（2）［詞匯復(fù)現(xiàn)］Onthepeak，sheburstintotears，__________（release）allheremotions.完成句子（3）Afterthetrainerwassurethatthewhalecouldlookafteritself，he_____________________（把它放入大海）.（4）Themayorhas

（發(fā)表聲明）explainingthereasonsforhisresignation.willbereleasedreleasingreleaseditintotheseareleasedastatement教材原句p.27Withoutthisprocess，Earthcouldnotsustainlife.如果沒有這個過程，地球就無法維持生命。5sustainvt.維持（生命、生存）；遭受；承受住Themassiveincreaseinspendingfailedtosustainhislifewhenhebecameseriouslyill.當(dāng)他得了重病時，大量增加的開支沒能維持他的生命。［詞匯復(fù)現(xiàn)］Anyhow，youcouldn’tletthecompanyavoidsustaininglossesofmillionsofdollars.無論如何，你不能讓公司避免承受數(shù)百萬美元的損失。［詞匯復(fù)現(xiàn)］tosustaindamage/aninjury/adefeat遭受損失/受傷/遭到失敗Theicewillnotsustainyourweight.這冰承受不了你的體重?！驹~語積累】sustainableadj.可持續(xù)的；合理利用的sustainableeconomicgrowth經(jīng)濟的可持續(xù)增長 完成句子（1）［詞匯復(fù)現(xiàn)］Thequestionhasarisenwhichplanetscan

（維持生命）.（2）Thetyphoonleft，andthecityhad________________________（遭受巨大破壞）.（3）［詞匯復(fù)現(xiàn)］Theicewastoothin________________________（承受體重）ofthegoat.（4）Alargeinternationalmeetingwasheldwiththeaimofpromoting________________________（可持續(xù)發(fā)展）inallcountries.sustainlifesustainedgreatdamagetosustaintheweightsustainabledevelopment教材原句p.27Infact，newsreportsarefrequentlybroadcastaboutextremerainstormsandheatwaves...事實上，新聞報道經(jīng)常報道……極端暴雨和熱浪。6frequentlyadv.頻繁地；經(jīng)常（=often）Busesrunfrequentlybetweenthecityandtheairline.公共汽車頻繁地來往于市區(qū)與航空公司之間。［詞匯復(fù)現(xiàn)］Heisn’tasilentboy.Onthecontrary，hefrequentlyasksquestionsabouttheInternet.他不是個沉默的男孩。相反，他經(jīng)常問關(guān)于互聯(lián)網(wǎng)的問題。［詞匯復(fù)現(xiàn)］【詞語積累】frequentadj.頻繁的；經(jīng)常的；常見的afrequentvisitortoourhouse我們家的?？?單句語法填空（1）Thenewlylearntwordswillsoonbeforgottenunless__________（frequent）usedineverydaylife.完成句子（2）

（無論多么頻繁）performed，theworksofBeethovenstillattractpeopleallovertheworld.frequentlyNomatterhowfrequently/Howeverfrequently7broadcastvt.&vi.（broadcast，broadcast）播送（電視或無線電節(jié)目）；廣播；傳播（信息等）n.廣播節(jié)目；電視節(jié)目Theconcertwillbebroadcastlivetomorrowevening.音樂會將于明晚現(xiàn)場直播。Idon’twanttobroadcastthefactthatmyfatherownsthecompany.我不想宣揚這家公司為我父親所有的事實。 alivebroadcastoftheconcert音樂會的現(xiàn)場直播anewsbroadcast一檔新聞節(jié)目【學(xué)法點撥】alivebroadcast（n.）broadcast（v.）live

現(xiàn)場直播單句語法填空（1）Theannouncement_____________（broadcast）livelastweek.（2）Wedon’twant_____________（broadcast）ourunhappinesstotheworld. 完成句子（3）She

（向……傳播這個好消息）allherfriends.wasbroadcasttobroadcastbroadcastthegoodnewsto教材原句p.27...reduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideourlifestylesproduce.……通過限制生活方式產(chǎn)生的二氧化碳量來減少我們的“碳足跡”。8restrictvt.限制，限定（數(shù)量、范圍等）；束縛；妨礙restrict...to...把……限制在……

restrictone’sfreedom限制某人的自由Thenumberofdinersinthiscanteenisrestrictedto50.這家餐廳就餐者的人數(shù)限制在50人以內(nèi)。［詞匯復(fù)現(xiàn)］Havingsmallchildrentendstorestrictyourfreedom.有年幼的孩子往往會限制你的自由。Thelongskirtrestrictedhermovements.長裙妨礙了她的行動?！驹~語積累】restrictionn.限制規(guī)定；限制法規(guī)；約束speedrestrictions速度限制arestrictiononsmokinginschools禁止在學(xué)校吸煙 搭配完成句子（1）Speed

（被限制在……）30mphintowns.單句語法填空（2）Accesstotheclubisrestricted__________

membersonly.（3）Irestrictmyself__________

onecupofcoffeeaday.（4）Thegovernmenthasagreedtolift__________

（restrict）onpressfreedom.isrestrictedtototorestrictions教材原句p.27Itisourresponsibilitytoseizeeveryopportunitytoeducateeveryoneabout...我們有責(zé)任抓住每一個機會，讓每個人了解……9seizevt.抓?。唬ǔＶ竿ㄟ^暴力突然）奪??；控制 seizeachance/anopportunity/power抓住機會/抓住時機/奪權(quán)

seizesb.bythearm抓住某人的胳膊 seizeon/uponsth.突然對……大為關(guān)注；抓?。衫玫氖挛铮?/p>

AsfarasIknow，Bobseizedontherainasanexcuseformissingschool.據(jù)我所知，鮑勃以下雨為借口不去上學(xué)。［詞匯復(fù)現(xiàn)］Theyseizedtheairportinasurpriseattack.他們突襲攻占了機場。Seeingthepearl，hewasseizedbycuriosity.

看到珍珠，他好奇心頓起。［詞匯復(fù)現(xiàn)］【學(xué)法點撥】catch側(cè)重指抓住實物，包括人；grasp強調(diào)抽象含義的“抓”，還表示“領(lǐng)會”之意；snatch指快速地“搶”；seize多用來表示“抓住時機”。 搭配單句語法填空（1）Themanseizedmeby__________

armandbeggedmetobringhissonbacktolife.（2）Therumourswereeagerlyseized__________

bythelocalpress.（3）［詞匯復(fù)現(xiàn)］Notknowingthatwashistrick，shewasseized__________

panic.完成句子（4）__________________________（抓住這次機會），otherwiseyouwillregretit.（5）Heobjectedtoviolenceandneverwantedto_____________________（奪取政權(quán)）bymeansofarmedforces.theon/uponbySeizetheopportunity/chanceseizepower重點句式教材原句p.26ThereislittledoubtthatEarthisgettingwarmerandwarmer...毫無疑問，地球正在變得越來越暖……【句式分析】本句是復(fù)合句，that引導(dǎo)同位語從句，解釋說明抽象名詞doubt的具體內(nèi)容。1Thereislittle/nodoubtthat...毫無疑問……Thereislittledoubtthattheresultsareentirelyconsistentwithourearlierresearch.毫無疑問，這些結(jié)果與我們早些時候的研究完全吻合。［詞匯復(fù)現(xiàn)］Thereisnodoubtthatshe’sverymodestabouthersuccess.毫無疑問，她對自己的成功非常謙虛。［詞匯復(fù)現(xiàn)］【歸納拓展】Thereissomedoubtabout...對……有些疑問。Sb.hassomedoubtabout...某人對……有些疑問?！菊`區(qū)警示】（1）doubt（vt.）+that引導(dǎo)的賓語從句（否定句或疑問句中）doubt（vt.）+whether/if引導(dǎo)的賓語從句（肯定句中）（2）doubt（n.）+that引導(dǎo)的同位語從句（否定句或疑問句中）doubt（n.）+whether引導(dǎo)的同位語從句（肯定句中）Wedon’tdoubtt