高中英語-Unit22-lesson1-global-warming課件-北師大版選修8

Unit22EnvironmentalProtection第一頁，編輯于星期五：十二點(diǎn)三分。Lesson1GlobalWarming第二頁，編輯于星期五：十二點(diǎn)三分。warm-up

第三頁，編輯于星期五：十二點(diǎn)三分。Exercise1Howmuchdoyouknowaboutenvironentalproblems?usethekeywordstocompletethesentences:1.Earthquakesandvolcaniceruptionsareexamplesof

.2.ThegiantpandaandtheBengaltigerare

.3.Becauseof

,theearthiswarmedbygasestrappedintheatmosphere.isanincreaseovertimeoftheaveragetemperatureoftheEarth.isharmfultotheecologyofthesea.6.ThousandsofpeopleinAfricacontinuetodiebecauseofwarand

.7.Thewaterlevelrosesohighinseveralplacesthatmanyhomesareatriskfrom

.第四頁，編輯于星期五：十二點(diǎn)三分。1.Earthquakesandvolcaniceruptionsareexamplesof

naturaldisasters

.2.ThegiantpandaandtheBengaltigerare

endangeredspecies

.3.Becauseof

thegreenhouseeffect

,theearthiswarmedbygasestrappedintheatmosphere.4.

Globalwarming

isanincreaseovertimeoftheaveragetemperatureoftheEarth.5.

Overfishing

isharmfultotheecologyofthesea.6.ThousandsofpeopleinAfricacontinuetodiebecauseofwarand

poverty.7.Thewaterlevelrosesohighinseveralplacesthatmanyhomesareatriskfrom

flooding

.Answers第五頁，編輯于星期五：十二點(diǎn)三分。Exercise2Listentothenewsreport.Whichofthestatementsaretrueorfalse?WriteTfortrueandFforfalse.1.ThenewsreporterisworkinginAntarctica.2.Thenewsreportisaboutpenguins.3.Penguinshaveonlyonepartnerforlife.4.Fishingboatsdonotaffectthedeathsofpenguions.5.MostpenguinspeciesoutsideofAntarcticaaresafefromenvironmentalchanges.6.ExpertscallforimmediateinternationalconservationeffortsFTTFFT第六頁，編輯于星期五：十二點(diǎn)三分。Exercise3Inpairs,discusswhichanimalsyouthinkareamongthetop5endangeredspeciesinChina?第七頁，編輯于星期五：十二點(diǎn)三分。物種代碼010670001

中文名白暨豚拉丁學(xué)名Lipotesvexillifer俗名白暨豚商品名英文名YangtzeRiverDolphinCITES公約附錄附錄IIUCN等級瀕危紅皮書等級瀕危國家保護(hù)等級一級瀕危原因回游被切斷，過度捕獵，環(huán)境污染保護(hù)措施遷地保護(hù)第八頁，編輯于星期五：十二點(diǎn)三分。物種代碼011050011中文名藏羚拉丁學(xué)名Pantholopshodgsoni俗名羚羊，藏羚羊商品名英文名Chiru,Tibetanantelope紅皮書等級漸危國家保護(hù)等級一級瀕危原因棲息地破壞，作為食物被捕獵，因?yàn)橘Q(mào)易被捕獵第九頁，編輯于星期五：十二點(diǎn)三分。白唇鹿的角很大別名巖鹿、白鼻鹿、黃鹿學(xué)名Cervusalbirostris英文名white-lippeddeer鹿科Cervidae分布青海、甘肅及四川西部、西藏東部國家一級保護(hù)動(dòng)物白唇鹿的體型大小與水鹿、馬鹿相似。頭骨淚窩大而深。唇的周圍和下頜為白色，故名“白唇鹿〞，為我國特產(chǎn)動(dòng)物。成年雄鹿角的直線長可達(dá)1米，有4-6個(gè)分叉，雌性無角。蹄較寬大。通體呈黃褐色，臀斑淡棕色，沒有黑色背線和白斑。棲息在海拔3500-5000米的高寒灌叢或草原上。白天常隱于林緣或其他灌木叢中，也構(gòu)件登流石灘和裸巖峭壁，善于爬山奔跑。喜歡集群生活。主要采食禾本科、蓼科、景天科植物，也吃多種樹葉，有食鹽的習(xí)性。發(fā)情交配多在9-11月份，雄性間有劇烈的爭偶搏斗，孕期8個(gè)月左右，每胎1仔，幼鹿身上有白斑。鹿茸產(chǎn)量較高，是名貴中藥材。第十頁，編輯于星期五：十二點(diǎn)三分。物種代碼011050018中文名賽加羚羊拉丁學(xué)名Saigatatarica俗名高鼻羚羊，大鼻羚羊商品名英文名SaigaAntelopeCITES公約附錄附錄IIIUCN等級瀕危紅皮書等級國內(nèi)絕跡

國家保護(hù)等級一級瀕危原因棲息地破壞，過度捕獵，作為食物被捕獵，作為醫(yī)藥成分被捕獵，因?yàn)橘Q(mào)易被捕獵第十一頁，編輯于星期五：十二點(diǎn)三分。物種代碼011050007中文名喜馬拉雅塔爾羊拉丁學(xué)名Hemitragusjemlahicus俗名喜馬拉雅塔爾羊，毛羊，山羊商品名英文名HimalayanTahrCITES公約附錄未列入IUCN等級資料缺乏紅皮書等級稀有國家保護(hù)等級一級瀕危原因過度捕獵第十二頁，編輯于星期五：十二點(diǎn)三分。物種代碼011050003中文名北山羊拉丁學(xué)名Capraibex俗名亞洲羊，紅羊，懸羊商品名英文名IbexCITES公約附錄未列入IUCN等級未列入紅皮書等級瀕危國家保護(hù)等級一級

瀕危原因作為食物被捕獵，棲息地破壞第十三頁，編輯于星期五：十二點(diǎn)三分。物種代碼010530009中文名云豹拉丁學(xué)名Neofelisnebulosa

俗名烏云豹，龜紋豹，荷葉豹，艾葉豹，樟豹商品名英文名CloudedLeopardCITES公約附錄附錄I

IUCN等級易危紅皮書等級瀕危

國家保護(hù)等級一級瀕危原因因?yàn)橘Q(mào)易被捕獵，作為醫(yī)藥成分被捕獵，作為食物被捕獵，棲息地破壞第十四頁，編輯于星期五：十二點(diǎn)三分。物種代碼011030010中文名麋鹿拉丁學(xué)名Elaphurusdavidianus俗名四不象商品名英文名PereDavid'sDeerCITES公約附錄未列入IUCN等級瀕危紅皮書等級野生絕滅國家保護(hù)等級一級瀕危原因棲息地破壞，過度捕獵第十五頁，編輯于星期五：十二點(diǎn)三分。物種代碼011050008中文名紅斑羚

拉丁學(xué)名Naemorheduscranbrooki俗名紅斑羚，紅山羊，赤斑羚商品名英文名S.ChinaGoralCITES公約附錄未列入IUCN等級未列入紅皮書等級稀有國家保護(hù)等級一級瀕危原因棲息地破壞，作為食物被捕獵，過度捕獵第十六頁，編輯于星期五：十二點(diǎn)三分。物種代碼011030017

中文名黑麂拉丁學(xué)名Muntiacuscrinifrons俗名紅頭麂，蓬頭麂商品名麝香英文名BlackfrontedMuntjacCITES公約附錄附錄IIUCN等級易危紅皮書等級漸危國家保護(hù)等級一級瀕危原因種內(nèi)生物學(xué)特點(diǎn)，棲息地破壞，作為食物被捕獵，因?yàn)橘Q(mào)易被捕獵第十七頁，編輯于星期五：十二點(diǎn)三分。Exercise4Whatcanyoudotohelpsavethem?Writedownyoursuggestions,thenpresentyourideastotheclass.第十八頁，編輯于星期五：十二點(diǎn)三分。reading

第十九頁，編輯于星期五：十二點(diǎn)三分。Exercise1Ingroupsdiscusswhatyouknowaboutglobalwarming.Lookatthepicturestogetideas.第二十頁，編輯于星期五：十二點(diǎn)三分。Exercise2Whichcountriesdoyouthinkcontributemoretoglobalwarming:developedcountrieslikeAmerica,orundevelopedcountrieslikemanyinAfrica.Why?第二十一頁，編輯于星期五：十二點(diǎn)三分。Exercise3Scanthetextbelowforthesewordsandworkouttheirmeanings:environmentalist::line1,peoplewhoareconcernedwithprotectingtheenvironmentradiate:line22,sendoutinalldirectionsatmosphericconcentration:line35,theamountofsuchgasesintheatmosphererelease:line33,allowtocomeoutinsignificant::line43,toosmallorunimportanttoconsiderorworryabout

consequence:line44,somethingthathappensasaresultofadirectactionorsetofconditionsdramatic:line48,greatandsuddenenergy-efficient::line65,thathelpstosaveenergy第二十二頁，編輯于星期五：十二點(diǎn)三分。Exercise4Readthetextandanswerthesequestions1.Whatisglobalwarming?2.Whathumanactivitiesarecausingglobalwarming?3.Byhowmuchhastheglobalaveragetemperatureincreasedinthelast100years?4.AregreenhousegasesnecessaryforlifeonEarth?5.Howcanindividualshelpsolvetheproblemofglobalwarming?GlobalwarmingisanaverageincreaseintheEarth;satmosphere.Industry,agriculture,transportation,deforestationandtheburningoffuelsarecausingglobalwarming.By1°FYes,theyare.becausetheytrapheatintheatmosphereoftheEarth.OtherwisetheEarthwouldbecoldandunsunsuitableforlife.Asindividualswecanmakesmallchangesliketakingpublictransport,recycling,usinglowflowshowerheads,buyingenergy-efficientlightbulbstohelpstopglobalwarming第二十三頁，編輯于星期五：十二點(diǎn)三分。第二十四頁，編輯于星期五：十二點(diǎn)三分。第二十五頁，編輯于星期五：十二點(diǎn)三分。第二十六頁，編輯于星期五：十二點(diǎn)三分。第二十七頁，編輯于星期五：十二點(diǎn)三分。vocabulary

第二十八頁，編輯于星期五：十二點(diǎn)三分。Exercise6beyondourcontrol,pumpinto,asaresultof,inlargequantities,referto,speedup1.Waterwaspumpedintothefishpondfromtheriver.2.Weallneedto

speedup

tofinishintime.3.Thereisnothingmorewecando.Thesituationisnow

beyondourcontrol

.

Asaresultof

theaccident,sheisnowafraindofwater.5.Thescientist

referrdto

globalwarmingatleastthreetimesinhisspeech.6.Thefactorywasproducinggreenhousegases

inlargequantities

.Usetheexpressonsintheboxinthecorrectformtocompletethesentences.第二十九頁，編輯于星期五：十二點(diǎn)三分。grammar

第三十頁，編輯于星期五：十二點(diǎn)三分。Exercise7Whatverbsareusedinthetexttoreportthesestatements?1.HumanbeingsarecausingchangesintheEarth’sclimate.2.GasespumpedintotheEarth’satmospherehavebeenspeedinguptheprocessofglobalwarming.3.Globalwarmingcouldbeoneofthebiggestenvironmentalproblemsfacingthe21stcentury.4.Globalwarmingismostlyduetohumanactivities.5.Globalwarmingwillcausedramaticclimatechangesincludingmorefrequentfloods,heatwaves,anddroughts.

toreportthat

toclaimthat

tobelievethat

toinsistthat

towarnthat第三十一頁，編輯于星期五：十二點(diǎn)三分。Exercise8Lookatthesesentencesfromthetextandexplainwhytheunderlinedverbsarenotthesametenseasthereportingverbs.1.RecentreportsfromtheIPCCwarnedthatglobalwarmingwillcausedramaticclimatechanges.2.ScientistsfoundthatthetemperatureoftheEarthiscontrolledbygreenhousegases.

becauseititinthefuture

becauseitisageneraltruth第三十二頁，編輯于星期五：十二點(diǎn)三分。Exercise9Matchthesentenceswithappropriatereportingverbsfromthelist.Thenwritethereportedsentences.

admit,boast,forbid,inquire,invite,order,suggest,threaten1.we’llclosecreditlinesifyoudon’treducecarbondioxideemissions.2.Ok,you’reright,somepoisonouschemicalsdidescapeintotheatmosphere.3.Whydon’tyoudro