科普英语作文汇编.docx
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科普英语作文汇编
作文汇编
Whatcanwedotoliveinalowcarbonlife 低碳
Cars,buses,planesandsomeothertransporthavebeenplayinganincreasinglyimportantroleinourdaytodaylife.Theyhavebroughtusalotofbenefitsbuthavecreatedsomeseriousproblemsaswell.Suchasthepollutionoftheenvironment.thepollutionwillmakeusunhealthy,sowemusthavealowcarbonlife.Butitisnotveryeasytolivealowcarbonlife.
Firstly,wemustusemorebikes.Becausebikesdonotemissioncarbon.Andbesides,ridingbikescankeepushealthy.Soifweusemorebikes,ourearthwon’tbecomewarmer.
Secondly,wemustplantmoretrees.Becausetreescanabsorbthecarbondioxideandturnitintooxygen.Wecanplanttentreesoneyearandtryourbesttoprotecttheearth.
Thirdly,Weshoulddofromthelittlethingsandcontroltheemissionsofcarbon-dioxide,whichistosomeextentproduceapositiveeffectontheenvironment.Weshouldpromotethemodeofdecreasingthegreenhouseemissions.
Thereisanoldsayingthattheearthisourmother.Wemustn’tdamageourmother.Sowemustliveinalowcarbonlifeandmakeourmotherhealthier.
Seekingforalowcarbonlife.寻求低碳
Manynationshasbeenfacedwiththelow-carbonlife,Itisnowadaysbecomingaheatedtopic.Lowcarbonlife,Ithink,isreallyanewlifestyle,reducingcarbonemissions,especiallycarbondioxide,tolessenthebreachoftheenvironmentandatmosphere.The2010Expoisthebestexampleofthelowcarbonlife.Allovertheworldareinfatuatedwiththelowcarbonlifeseriously.Asteenagers,whatcanwedofortheEarth?
Howcanwelivesuchalow-carbonlife?
Firstly,wemaydrivelessandusepublictransportationmore.Someonemaythink,jostlehiswaythroughacrowdedbusisnotascomfortableandconvenientasluxuriouscars,butitisquiteagoodideatoprotecttheenvironment.Ifyouareinterestedinbeingfit,ridingabicycleisalsoagreatchoice.Secondly,wemustn’twasteanything,andkeepaeconomicalandsimplelife.Forexample,turnofflightsbeforeweleave;buylessfoodwedonotneed.ThisisalsoanideatotakecareofourEarth.What’smore,wecantakeashowerinsummerinsteadofhavingabath.Ashowerneedslesswaterthanabath.
It’snotsodifficulttolivealowcarbonlife.Let’sdosomethingtolookafterourEarth,shallwe?
Let’sseekingforsuchalifestyleaslowcarbonlife.
Howtosurviveduringthefire火灾中生存
Manypeoplenowriveandworkinverytartbuildings.Itisoftennotsoeasytogetawayfromthesebuildingsinanemergency,resultingingreattossoflives.Sohowtosurviveincaseofafireisaproblemconcerningallthoseinvolved.
Nooneknowsforsurewhenafirewillhappen,soitisextremelynecessarytomakepreparationsbeforeafirestarts.Checkthefireescapeinadvanceandmakesurethatyoucanfinditinthedarkwhenlightshavefailed.Findoutwherethenearestfireextinguisherisandreadtheinstructionstolearnhowtouseit.
Don‘tloseyourheadifunfortunatelyafirebreaksout.First,telephonethefiredepartmentimmediatelywhenthefirejustgetsstarted.Takecarenottobeovercomebysmoke,whichcontainingmonoxidegas,cankillyouquickly.Coveryourmouthwithawet towelorawetcloth,andavoidgettingintothesmoke.Don‘tgetinanelevator,asyoumaygettrappediftheelectricityfails.Ifyoucannotgetawaybyyourself,itisofgreatimportancetohangsomethingoutofthewindowtoattractattentionasasignofaskingforhelp.
Inshort,ifyoumakepreparationsbeforehandandtakeprecautionsduringthefire,chancesarethatyouwillsurviveincaseofafireifitreallybreaksoutsomeday.
GlobalWarming全球变暖问题
Manynationsarefacingtheproblemofglobalwarming.Globalwarming,Ithink,whichisofgreatdestroytotheenvironment,canmakeourearthhotterandhotter.Soacloserattentionshouldbepaidattheissue.
Itismainlycausedbycarbondioxide,aheat-trappinggasorgreenhousegas.
Ontheonehand,themainreasonwhichmakestheearthwarmupisbecauseofhumanactivities,suchascuttingdowntrees,drivingcarsandsoon.Ontheotherhand,theearth’satmosphereissteadilyatanaverage15oC,…..duringtheindustrialrevolution,lotsoffactoriesformed,releasingmoreandmorecarbondioxide.Bymeansoftreescanwegetpapernapkinsandsomewoodenproducts;bymeansofplasticbagscanwemakeshoppingeasilyandconveniently.What’smore,Theyarethehumanactivitieswhichwetalkabout,andthusglobalwarmingismoreandmoreserious.
AsfarasIknow,AlthoughthehighestmountaininChinais8848metreshigh,doyouknowthesnowonthemountainhasbeenmelting?
ItissaidthatbecauseitseldomsnowsinChina,butIamsurethatitdoesnotholdwater.Therealfactisthatwehumanbeingsdosomethingharmfultothenature.Maybeitisangryandnowitwantstorevengeus.
Withrapiddevelopment,wemustfindsomewaystosolvesuchaseriousproblem.Weshouldtakesomeefficientactionstoprotectourenvironment.Forinstance,wecanusebagsmadeofclothinsteadofusingplasticbags.Wecanwalktoschoolinsteadofgoingtherebycarorbybus.Weshouldplanttreesinsteadofcuttingthemdown.Ifwedidthesmallthingsbyourselves,wewouldnotmakeourearthbecomewarmerthanbefore.WeevencanreleasesomespacemirrorsintotheEarthorbittoreflectsunlightbackintothespace.Scientistsitisusefultopainttheroadsandroofswhite.
Thereisnodoubtthatglobalwarmingwouldbestoppedinthenearfuture.
DevelopmentandtheEnvironment 环境与发展
Nodoubtthattheworseningenvironmenthasbecomethebiggestconcernofthepresent-dayworld.Landresourcesaredwindlingbecauseofwaterlossandsoilerosion.Wastegasespoisontheairwebreathe.Theriversandlakesarepollutedbywastedumpedinthemfromfactories.Itisprobablynoexaggerationtosaythatdeteriorationofthequalityoftheenvironmentthreatenstheexistenceofmankinditself.Somepeopleareoftheopinionthattheenvironmentalproblemisthepricewehavetopayforeconomicdevelopment.ButIdonotthinkthatthisargumentisvalid.Afterall,whatisthepointofeconomicgrowthifpeople'slivesareadverselyaffectedbyworseningenvironmentalpollution?
Thereisplentyofevidencetoshowthatsustainabledevelopmentcanbeachievedbybalancingeconomicgrowthwithprotectionoftheenvironment.Thekeytoachievingthisistomakepeopleawareoftheseriousnessoftheproblem.Bothgovernmentsandordinarycitizensshouldjoinhandstomakethisworldabetterplacetolivein,notonlyforourselves,butalsoforfuturegenerations.
环境与发展
不可否认的是环境恶化已成为当今世界上人们最担心的事了。
因为水资源的浪费和土壤被侵蚀,土地资源逐渐缩小。
我们呼吸着有毒的空气,河流和湖泊也被附近的工厂里排放出来的废弃物严重污染了。
不夸大其词地说,环境质量的恶化很可能威胁人类的生存。
有些人说环境问题是我们为经济发展所付出的代价。
对此,我不敢苟同。
如果人类的生活被日益恶化的环境污染所影响的话,那么,经济发展的意义何在?
足够的证据表明:
经济发展与环境保护的平衡可以实现可持续发展。
关键是使人们意识到问题的严重性。
政府和普通市民两方都应该携手使地球成为更适合人类居住的地方,这不仅是为我们自己,也是为我们的后代。
科技,让世博更精彩
OpeningtheworldExpoblueprint,whatimmediatelycatchoureyeisthescienceandtechnology.Toprovideaneco-friendlyExpoaswellastocreateahappierlifestylefortheresidents,shanghaihasalwaysbeenexploringandfulfillingthemodeofsustainabledevelopmentappropriateforthecities,ourgovernmenthasbeenmakinggreatefforts.
“Green”conceptsrunthroughthepreparationandtheconductionof2010Expo.Firslyt,wecanseetheenvironmentalprotectiontoilet:
WhenvisitingtheWorldExpo,peoplehavenoneedcoveringthenosetogototoilet..Theenvironmentalprotectiontoiletshavethreeworkingproceduresbyspecialmethodstowashawaysometerriblesmell,guaranteedintoiletspotless.Anditiscertainthatthewaterdropdoesnotwaste.Ifbeingused750timesaday,atoiletmaysaveatleast1000tonsofwaterduringtheperiodoftheWorldExpo.Secondly,theintelligentsignallightsystemhasbeensetup,whichcanmakethetrafficflowsmooth.:
Theintelligentsignallightsystemcanautomaticallycontrolsignallighttimefromyellowgreenorred.Accordingtothestreetintersectiontrafficflow,ifincasethestreamofvehiclespeak,theredsignaltimecanreduceobviously.Bothsidespathparkinginductionsystemnotonlycouldbringthevehicleownertoarecentlyandemptygarage,butalsocouldmakeanappointmentaheadoftime;Takingtheintelligencewheelchair,thedisabledpersonwhomovesdifficultyalsocanvisittheWorldExpo.Orderingwithmouth,peoplecanmakethewheelchairgoforward,backwardorgoroundthebarrierautomatically,andarrivesafely.
What’smore,the3Ghandsetletspeopleenjoythe2010easily.:
Ifyouhavetoomuchworktodo,willyouworryaboutmissingthesplendidworldexpo?
Don’tworry.The3Ghandsethasthefunctionofmotionvideo,youcanshuttleandround-triptheworldexpoatanytime,inanyplacebyusingthe3Ghandset;.ThethirdgenerationofMotioncommunicationhastheabilityofhighspeedtotransmissionhighclearimagewhichletsyouownthisvisualgrandfeasteverywhere.
DependingontheHighTech,itisconvincedthatthe2010WorldExpowillbegreatlysuccessfulandunprecedented.Bettercity,betterlife!
DoWeNeedSpaceExploration?
太空探索
Nowadays,spaceexplorationhasbecomeahottopicamongpeople.People’sopinionsaboutitvaryfrompersontoperson.
Thefactorsforopponentarethatwehavetospentmoneyandtimeandeffortexploring,investigatingandresearchingthespacewithonlyafewbenefits.Theybelievethatspaceexplorationisasheerwasteoftimeandmoney.(Theypointoutthetimeandmoneyspentonspaceexplorationistoomuchtocalculate.)
Nevertheless,therearestillamajorityofotherpeoplewhobelievethatspaceexplorationhasmoreadvan