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保护大海英语演讲稿
保护大海的英语演讲稿
Seapollutionisbecominganincreasingproblemfor
ourplanetandwehavearesponsibilits,
building
uptheir
concentrations
until
they
reach
toxic
levels.
It
often
takeshumancasualties
to
alert
ustopollution
andsuch
wasthecaseinMinimataBayinJapanwhenmanypeople
diedasaresultofapollutantbuildingupinfood
chains.
A
factory
wasdischarging
waste
containing
methylmercuryinlowconcentrationsintotheseaand
asthis
pollutant
passed
throughfood
chains
it
became
moreconcentratedinthetissuesofmarineorganisms
untilitreachedtoxiclevels.
Asaconsequence649peoplediedfromeatingfish
andshellfish
contaminated
with
mercuryand3500people
sufferedfrommercurypoisoning.
保护大海英语演讲稿范文
Futuremarine
Knowyoutodayfromthe20xx,letmedoareturn
tour,youtourin2030withtheOcean,Ithinkyoumust
,oceansoftheEarthsseven
tenths,veryseriousmarinepollutionin20xx,butin
2030,duetoadvancedscienceandtechnology,
decontaminationrobothasbecomethebaneofmarine
pollution,so,whenthereisnopollutionintheocean.
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Now,Itakeyoufirstmulti-functionalreception,and
replacechangesinthemarinelocationdevice,itall
,ishome
tohumanbeings,50percentofpeopleworldwidelive
intheocean,youwillfinditverycuriousabouthow
tosurviveintheocean?FactWell,SeaWorld