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霧霾英語(yǔ)演講稿
篇一:英文上海霧霾演講稿
Myspeech
Asweallknow,acoupleofdaysago,ahugebrownishhazecoveredShanghai.Manypeoplewereforcedtowearmasksinordertoprotectthemselvesbecausetheheavyhazecancausebreathingproblemsaswelldiseaseslikeheadachesorevenheart-attacks.
Duetothebadeffectsfromtheairpollution,agreenandclearenvironmentistheappleofthewholeworld’seye.Toavoidmostofthepollutionandhelpmakeourenvironmentbetter,Ihavesomeadvices:Firstly,weshouldgooutasfewtimesaspossible.Thisistrulyaway,butnotagoodone.Secondly,thegovernmentshouldbringoutlawswhichlimitthepollutionofcarsandfactories.Theairpollutionwilldecreasesharplyifthecarsandfactoriesstoplettingoutharmfulgases.Thirdly,weshouldenhancetheawarenessofenvironmentprotectionandbuildupthethoughtofhaveagreenlifestyle.Formiddleschoolstudentslikeus,weshouldsortthetrashandtrytowalkonfootorusebikesastransportationasmuchaspossible.
AirpollutionhasbecomeaseriousproblemhereinChinanow.Consideringhealthproblems,sometimelymeasuresshouldbetakentoovercomethisproblem.
Idon’thavedaydreams,wishingChinawillbecomeacountrywiththebestenvironment.Ijusthopewecanbreathefreely.AllIwantnowisjustalittlefreshair.Ithink,perhapsmostofyouhavethesamethought…….
篇二:英語(yǔ)演講(關(guān)于霧霾)
WiththedeterioratingofairqualityinChina,thenumberofdaysoffog-hazeweatherinsomeChinesecitieshassoareduptonow
Insmogweather,manypeoplechoosetowearmasks(口罩)whentheygoout.Andjustbecauseofsmogweather,manytrafficaccidentshavehappened,manyflightsarestopped,alotofpeoplehavetostayathomebecausetheythinktheairisdangerous,andmorepeoplewithdifferentdiseaseshavetogotoseethedoctor.Smogisabigproblemforourdailylife.
Firstofall,letmeintroducewhatissmog.isbasicallyderivedfromthemergingoftwowords;smokeandfog.
Whatwetypicallycallsmogtodayisamixtureofairpollutants.Smogwhichoccursmainlybecauseofairpollution,canalsobedefinedasamixtureofvariousgaseswithdustandwatervapor.Smogalsoreferstohazyairthatmakesbreathingdifficult.
Thethemaincomponentoffoghazeisnitrogendioxide,sulphurdioxideandpm
Andobviously,pmmainsparticulatematter.Particulatematter-isameasureofpollutantsintheairandiscommonlystatedasPM2.5orPM10.Pm2.5issmallerthanpm10.Anditcanreachyourlungswhenyoudon’twearafacemask.Fromthepicturewecanseethepm2.5withmanyshapes.
Next,letusknowhowthesmogformed
Theatmosphericpollutantsorgasesthatformsmogarereleasedintheairwhenfuelsareburnt.Whensunlightanditsheatreactwiththesegasesandfineparticlesintheatmosphere,smogisformed.Itispurelycausedbyairpollution.
Themainsourcesoftheseprecursorsarepollutantsreleaseddirectlyintotheairbygasolineanddiesel-runvehicles,industrialplantsandStrawBurning,andheatingduetohumanactivities.
Forinstance:Thepiechartclearlyshowsthattheautomobileexhaust,burningcoal,organicmatter,Secondarysulphate,nitrateandthedustarethemainsourcesofregionalairpollutioninBeijing
Thetimethatsmogtakestoformdependsdirectlyonthetemperature.Temperatureinversionsaresituationswhenwarmairdoesnotriseinsteadstaysneartheground.Duringsituationsoftemperatureinversionsifthewindiscalm,smogmaygettrappedandremainoveraplacefordays.
Smogisharmfulanditisevidentfromthecomponentsthatformitandeffectsthatcanhappenfromit.Itisharmfultohumans,animals,plantsandthenatureasawhole.Obviously,itmayhaveabadeffectto
yourrespiratorysystemandcardiovascularsystem.Anditwillaffectthetraffic,theaccidentratewillincreaseduetothesmog.Insmogweather,theairisoftenwithbacteriaandviruses.so,itmayspreaddiseases.
Sohowshouldwefightwiththeforcefulimpactofsmog?Itcanbereducedbyimplementingmodificationsinyourlifestyle.1.Searchairqualityindex(AQI)first,reduceoutdoorexerciseifitisbeyond100
2.whenitreach150WearN95/KN90mask(whiledensityofPM2.5)
3.Donotopenwindowinthesmog
4.Lightdietanddrinkplentyofwater
FinallyIwishyougoodhealthandhappiness.
WHATSHOULDTHEGOVERNMENTDOTOREDUCESMOGWEATHER?Developandusenewcleanenergy
Reducetheusingofcars,developingthepublictransport
Increasethegreenarea
Promotepublicsupervision
篇三:英語(yǔ)課前presentation—haze(以霧霾為主題)配套講稿
P1:Goodmoringeveryone.Iappreciatetohavethisopportunitytogivemyoppresatation.I’mheretotalktoyouabouthazyweather.
P2:First,let’sseesomepicturestoknowthepresentsituation.P3:Tian’anmensquareinthehaze.
P4:Somepeoplesay,thelongestdistanceintheworldisthatwecouldn’tseeChairmanMaoeventhoughwearerightinfrontoftheTiananmen!
P5:Whereisthis?OrientalPearlTVTower.
P6,7:Howaboutthispicture?Doyouknowwhereisthis?P8:AjournalistwasreportingtheserioushazeinHefei.P9:Let’slearnsomebasicinformationaboutthehaze.
WeusuallytalkaboutPM2.5,butWhocantellmewhatisPM?PMisanabbreviationforParticulatematter.
PM10areinhalableparticles,PM2.5areparticlesthatcanbedrawnintoourlung,theirparticlesizeislessthan2.5micron.P10:Whatcausethehaze?
P11:Theburningofcoalandoil.
Withthegrowingnumberofthecars,muchmorepollutantletouttotheair.
Second-handpollutionmakebyfactories.
P12:Second,Thelowatmosphere.Theairrestingnearthe
groundmaketheparticularmatter(weusuallycallthatPM)floatinginthespecificarea.
P13:Third,Multiplyeffectofregionalpollutionandlocalpollution.
Atypicalexample.thec
arofBeijing,oilinTianjin,coalinHebeimakesBeijingseverehaze.
P14:Next,let’sseetheharmofthehaze.Themostweconcernishowithurtsus.Itmayhasabadeffectonourrespiratoryorganandcardiocascularsystem.Ultravioletrayswillbecutdownandthatwillmakethegermsmoreinfected.
P15:Trafficiseffected.Thehazewillreducethevision.Theworseisthatthetrafficwillbemuchbusierandthepossibleofaccidentwillraiseup.
P16:Causethespreaddiseases.Itisnotconducivetothegrowthofchildren.
andsoon.
P17:Let’smakeasummary.Thehazemaycauseacidrainandphotochemicalsmong,hampertransportationinair,seaandland,increasemortality,exacerbatechronicdisease,exacerbateheartandbreathingproblems,doharmtolungandfertility,andsoon.
P19:Whatshougwe
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