写大学英语作文

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热心网友 时间:2022-05-28 18:41

TheCarandtheEnvironment TransportationplaysaveryimportantroleinAmerica.TheautomobileisthemainformoftransportationinAmerica.Connectingpeoplefrompoint'A'topoint'B'.AmericaiscoveredwithroadsthattransportcarsandpeopleacrosssuchareasastheislandsoftheFloridaKey'stounderthemountainsoftheColoradoRockies.Carsofferfastreliabletransportation,offeringdriversaccesstoanywherewithroads,butthereareconsequences.AutomobilesaretheleadingcausetoAmerica'sairpollutionproblem.Carsalsoreleasetoxicemissionsthatdamageourenvironment.Hurtingourenvironmentbyaddingtothegreenhouseeffect,damagingairquality,anddecreasingtheozone.Nottomentionthegrowingsmogproblems,disastersdonewithlandfillandtheeffectsdonetoourwatersupply.Whichallareconnectedwiththegreenhouseeffect,ozonedepletion,andairquality.Eventhoughtoday'sozoneisstable,ultravioletraysareundercontrol,andtheairwebreatheisstillhealthy.Inthenearfuturetheseluxurieswillnotbeavailableifwecontinuetodrivecarsoftoday.Effectingthewayhumansoperatetheirlivesonaregularbasis. Carsdamageourenvironmentbytheemissionsreleasedfromthecombustionsystemofanautomobile.Certainemissionseffectoutenvironmentanddodamagetothegreenhouseeffect.ThegreenhouseeffectistheprocesswhereinfraredraysfromthesuncomeintotheEarth'satmosphere.Theatmospheretrapstheseraysaftertheyhaveentered,keepingtheEarthwarmandhabitable.Toxicgasesweakentheatmosphereallowingformoreinfraredraystoenter.HavingmoreinfraredraysreflectedontheEarthwarmstheEarth,raisingthetemperature.Causingcertainvegetationlifetodieoff,thesnowcapstomelt,andincreasedtemperature.CarbondioxideandcarbonmonoxidearetwogreenhousegasesthatdamageourEarth'satmosphere.Recingtheamountofthesegreenhousegaseswillgreatlyhelprecetheseeffects. Carsrelease30percentofthecarbondioxideintheearth'sair.Carbondioxideisreleasedfromthetailpipeofacarandcandomuchdamagetothehumanrespiratorysystem.Everytimeanautomobileburnsagallonofgasolineitreleases22poundsofcarbondioxide.Carbonmonoxideisalsoadamaginggreenhousegas.Carsaccountfor76percentofthecarbonmonoxideintheearth'sair.Carbonmonoxideaffectsthebloodstotalcapacityforcarryingoxygenbytotheheart,brain,andotherimportantorgans.Automobilesalsoreleasenitrogenoxide(N0x),contributing30percentofN0xintheearth'satmosphere.Addingtothealreadyproblemofacidrain,whichcandamagehealthbyincreasingcoughing,asthma,andstingingeye.Volatileorganiccompoundsalsoreleasedbycaremissionscombinewithnitrogenoxidescreatingsmog.Smogcontaminatescityairandcauserespirationproblemstohumansandharmsvegetation.Volatileorganiccompoundshavealsobeenlinkedtothevague'SickBuildingSyndrome'acancerousdiseasethathasunknowneffectsonthebody. Travelingautomobilesalsodamagethewatersupplywithrunofflubricants,coolants,andgasdeposits.Theserunoffsmixintotheriversandlakesthroughsewersystems.Thesetoxicchemicalscauserapidgrowthofaquaticplants,whichdepletewaterofdissolvedoxygen,whichthenkillsfish.Italsocreatesapersistentbioaccumulativetoxicsubstancethatmarineanimalseat.Thissubstancethengrowsinthefattytissueoffish,thengettingpassesalongtohumansinthefoodchain.Thissubstancebreaksdoneoveraverylongperiodoftimethatcantakeuptoadecade.Causingfuturehealthproblemsforhumansandmarineanimals. Carsmightbeseenasafastandfreewaytotravel,butatwhoseexpense.Theyaresolutionstofixthisproblem,Americanscansupportmasstransit,electricsourcesoftransportation,orchooseotherformsoftransportationthatdonotharmtheenvironment.Onedayinthefuturewewilllaughathowwewouldstandaroundandadmirethedeephumofacarstailpipe.Notcaringabouthowtheemissionsreleaseddamagedourlungs,andenvironment.Carshavethelong-termeffecttodestroytheenvironmentbyruiningitsnaturalresources.Globalwarming,airpollution,andozonedepletionascarethatmustbedealtwithbeforetheconsequencessetin.Reversingtheeffectsoncedoneisnotanoption.OzonemoleculescannotcompetewithCFC's,andtechnologyisnotmovingfastenoughtorepairtheozone.WhatthenliesaheadforAmericaanditsenvironment?Massivechangemustbeaddressed,recingtheamountofdrivingtimearoundAmerica.Thiswouldbenefiteverycitizenandgenerationstocome.ThecreationoftheautomobilehasgAmericaadeephole.Thisholecannotbefilledinandhiddenup.Thisholecanandwillendangerhumanlifeinthenearfuture.HoweverAmericacanchoosetostopdiggingthishole,wecanchoosetoselectalternatives.InhopethatMotherNaturecanonedayreplenishitsgoodnesstothewayitwasmeanttobe. --------------- OnlineJobSearchforCollegeStudents Therearemanyresourcesavailabletohelpcollegegraates(andstudents)withajobsearch.Fromyourcollegecareerservicesoffice,toalumniwhohavevolunteeredtohelp,tocollegejobsitesthatprovidejoblistingsandjobsearchtipsspecificallyforstudents,you'llfindavarietyofresourcesavailabletohelpwithacollegejobsearch.However,IfoundthebestwayistousetheInternetforjobsearch. Whilethepopularityofonlinejobboardsputsmillionsofjobsatone'sfingertips,ithasalsomadethejobapplicantpoolthatmuchbigger.Forthisreason,nationaljobsearchsitesandtheInternetasawholehavegottenabadrapfromsomeinstryprofessionalsasanineffectivejobseekertool;onthecontrary,theInternetactuallycanbeagreatresourceforjobseekers--theyjustneedtoknowhowtouseit. However,tobesuccessfulfindingajobonline,first,youneedtowriteastrongresume.InsteadofsimplypostingyourrésuméonaWebsite,takeitonestepfurtheranddesignaneasily-navigableWebsiteoronlineportfoliowhererecruiterscanviewyourbodyofwork,readaboutyourgoalsandobtaincontactinformation.Youalsoneedtocheckyourselftomakesureyouhaven'twreckedyourself.Googleyourselftoseewhatcomesup--andwhatpotentialemployerswillseeiftheydothesame.Ifyoudon'tlikewhatyoufind,it'stimetododamagecontrol.Afterthat,youneedtonarrowyouroptions.Manyjobboardsofferfilterstohelpusersrefinetheirsearchresultsmorequickly.Youshouldhavetheoptiontonarrowyourjobsearchbyregion,instryandration,and,oftentimes,youcannarrowitevenmorebykeywords,companynames,experienceneededandsalary.Also,pleaseremembertogodirectlytothesource.Insteadofjustapplyingforthepostedjobopening,oneofthebeststrategiestofindingajobistofirstfigureoutwhereyouwanttowork,targetthatcompanyorinstryandthencontactthehiringmanager.Also,manyemployers'careerpagesinvitevisitorstofilloutcandidateprofiles,describingtheirbackground,jobsofinterest,salaryrequirementsandotherpreferences. ThebestthingaboutfindingajobonlineisthatyoucanfindyournichewithinstryWebsites.Refineyoursearchevenmorebyvisitingyourinstry'snationalorregionalWebsite,whereyoucanfindjobsinyourfieldthatmightnotappearonanationaljobboard.Moreandmoreemployersareadvertisingjobsonthesesitesinhopesofgettingabiggerpoolofqualifiedapplicants.Theanotherhelpyoucangetistotryonlinerecruiters.Recruiterswillhelpmatchyouwithjobsthatmeetyourspecificskillsandneeds.Notsurewheretostart?Sitessuchasrecruiterlink.com,onlinerecruitersdirectory.com,searchfirm.comandi-recruit.comprovidelinkstoonlineheadhuntersforjobseekers.Someofthejobsearchingengineshavejobalerts.Thesewebsiteshavefeaturesthatallowyoutosignuptoreceivee-mailalertsaboutnewlyavailablejobsthatmatchyourchosencriteria.OrgoastepfurtherandarrangeanRSS(reallysimplesyndication)feedfromoneofthesejobsitestoappearonyourcustomizedInternethomepageoryourPC'snews-readersoftware. Finally,pleasedon’tforgettogetconnected.Howmanytimeshaveyoubeentoldthatit'snotwhatyouknow,butwhoyouknow?ThankstotheemergenceofprofessionalnetworkingsiteslikeLinkedIn.com,jobseekersnolongerhavetorelyontheoldstandbyofexchangingbusinesscardswithstrangers.Thesesitesarecomposedofmillionsofinstryprofessionalsandallowyoutoconnectwithpeopleyouknowandthepeopletheyknowandsoforth.(Awordofcaution:Whenyousignupforonlinesocialnetworkingsites,youareinapublicdomain.Unlessyouareabletoputafilteronsomeofyourinformation,nothingisprivate,anditcanbedifficulttoeraseonceitisposted.). Intheend,letmesay:Happyjobhunting,andgoodluck!

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