英語Unit22lesson1globalwarming（北師大版）

Unit22EnvironmentalProtectionLesson1GlobalWarmingwarm-up

Exercise1Howmuchdoyouknowaboutenvironentalproblems?usethekeywordstocompletethesentences:1.Earthquakesandvolcaniceruptionsareexamplesof

.2.ThegiantpandaandtheBengaltigerare

.3.Becauseof

,theearthiswarmedbygasestrappedintheatmosphere.isanincreaseovertimeoftheaveragetemperatureoftheEarth.isharmfultotheecologyofthesea.6.ThousandsofpeopleinAfricacontinuetodiebecauseofwarand

.7.Thewaterlevelrosesohighinseveralplacesthatmanyhomesareatriskfrom

.1.Earthquakesandvolcaniceruptionsareexamplesof

naturaldisasters

.2.ThegiantpandaandtheBengaltigerare

endangeredspecies

.3.Becauseof

thegreenhouseeffect

,theearthiswarmedbygasestrappedintheatmosphere.4.

Globalwarming

isanincreaseovertimeoftheaveragetemperatureoftheEarth.5.

Overfishing

isharmfultotheecologyofthesea.6.ThousandsofpeopleinAfricacontinuetodiebecauseofwarand

poverty.7.Thewaterlevelrosesohighinseveralplacesthatmanyhomesareatriskfrom

flooding

.AnswersExercise2Listentothenewsreport.Whichofthestatementsaretrueorfalse?WriteTfortrueandFforfalse.1.ThenewsreporterisworkinginAntarctica.2.Thenewsreportisaboutpenguins.3.Penguinshaveonlyonepartnerforlife.4.Fishingboatsdonotaffectthedeathsofpenguions.5.MostpenguinspeciesoutsideofAntarcticaaresafefromenvironmentalchanges.6.ExpertscallforimmediateinternationalconservationeffortsFTTFFTExercise3Inpairs,discusswhichanimalsyouthinkareamongthetop5endangeredspeciesinChina?物種代碼010670001

中文名白暨豚拉丁學名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等級一級瀕危原因回游被切斷，過度捕獵，環(huán)境污染保護措施遷地保護物種代碼011050011中文名藏羚拉丁學名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等級一級瀕危原因棲息地破壞，作為食物被捕獵，因為貿(mào)易被捕獵白唇鹿的角很大別名巖鹿、白鼻鹿、黃鹿學名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動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)動物。成年雄鹿角的直線長可達1米，有4-6個分叉，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，有食鹽的習性。發(fā)情交配多在9-11月份，雄性間有激烈的爭偶格斗，孕期8個月左右，每胎1仔，幼鹿身上有白斑。鹿茸產(chǎn)量較高，是名貴中藥材。物種代碼011050018中文名賽加羚羊拉丁學名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，因為貿(mào)易被捕獵物種代碼011050007中文名喜馬拉雅塔爾羊

拉丁學名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等級資料不足紅皮書等級稀有國家保護等級一級瀕危原因過度捕獵物種代碼011050003中文名北山羊拉丁學名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等級一級

瀕危原因作為食物被捕獵，棲息地破壞物種代碼010530009中文名云豹拉丁學名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

國家保護等級一級瀕危原因因為貿(mào)易被捕獵，作為醫(yī)藥成分被捕獵，作為食物被捕獵，棲息地破壞物種代碼011030010中文名麋鹿拉丁學名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等級一級瀕危原因棲息地破壞，過度捕獵物種代碼011050008中文名紅斑羚

拉丁學名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等級一級瀕危原因棲息地破壞，作為食物被捕獵，過度捕獵物種代碼011030017

中文名黑麂拉丁學名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等級一級瀕危原因種內(nèi)生物學特點，棲息地破壞，作為食物被捕獵，因為貿(mào)易被捕獵Exercise4Whatcanyoudotohelpsavethem?Writedownyoursuggestions,thenpresentyourideastotheclass.reading

Exercise1Ingroupsdiscusswhatyouknowaboutglobalwarming.Lookatthepicturestogetideas.Exercise2Whichcountriesdoyouthinkcontributemoretoglobalwarming:developedcountrieslikeAmerica,orundevelopedcountrieslikemanyinAfrica.Why?Exercise3Scanthetextbelowforthesewordsandworkouttheirmeanings:environmentalist::line1,peoplewhoareconcernedwithprotectingtheenvironmentradiate:line22,sendoutinalldirectionsatmosphericconcentration:line35,theamountofsuchgasesintheatmosphererelease:line33,allowtocomeoutinsignificant::line43,toosmallorunimportanttoconsiderorworryabout

consequence:line44,somethingthathappensasaresultofadirectactionorsetofconditionsdramatic:line48,greatandsuddenenergy-efficient::line65,thathelpstosaveenergyExercise4Readthetextandanswerthesequestions1.Whatisglobalwarming?2.Whathumanactivitiesarecausingglobalwarming?3.Byhowmuchhastheglobalaveragetemperatureincreasedinthelast100years?4.AregreenhousegasesnecessaryforlifeonEarth?5.Howcanindividualshelpsolvetheproblemofglobalwarming?GlobalwarmingisanaverageincreaseintheEarth;satmosphere.Industry,agriculture,transportation,deforestationandtheburningoffuelsarecausingglobalwarming.By1°FYes,theyare.becausetheytrapheatintheatmosphereoftheEarth.OtherwisetheEarthwouldbecoldandunsunsuitableforlife.Asindividualswecanmakesmallchangesliketakingpublictransport,recycling,usinglowflowshowerheads,buyingenergy-efficientlightbulbstohelpstopglobalwarmingvocabulary

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.grammar

Exercise7Whatverbsareusedinthetexttoreportthesestatements?1.HumanbeingsarecausingchangesintheEarth’sclimate.2.GasespumpedintotheEarth’satmospherehavebeenspeedinguptheprocessofglobalwarming.3.Globalwarmingcouldbeoneofthebiggestenvironmentalproblemsfacingthe21stcentury.4.Globalwarmingismostlyduetohumanactivities.5.Globalwarmingwillcausedramaticclimatechangesincludingmorefrequentfloods,heatwaves,anddroughts.

toreportthat

toclaimthat

tobelievethat

toinsistthat

towarnthatExercise8Lookatthesesentencesfromthetextandexplainwhytheunderlinedverbsarenotthesametenseasthereportingverbs.1.RecentreportsfromtheIPCCwarnedthatglobalwarmingwillcausedramaticclimatechanges.2.ScientistsfoundthatthetemperatureoftheEarthiscontrolledbygreenhousegases.

becauseititinthefuture

becauseitisageneraltruthExercise9Matchthesentenceswithappropriatereportingverbsfromthelist.Thenwritethereportedsentences.

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