写大学英语作文

TheCarandtheEnvironmentTransportationplaysaveryimportantroleinAmerica.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.Reducingtheamountofthesegreenhousegaseswillgreatlyhelpreducetheseeffects.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,reducingtheamountofdrivingtimearoundAmerica.Thiswouldbenefiteverycitizenandgenerationstocome.ThecreationoftheautomobilehasdugAmericaadeephole.Thisholecannotbefilledinandhiddenup.Thisholecanandwillendangerhumanlifeinthenearfuture.HoweverAmericacanchoosetostopdiggingthishole,wecanchoosetoselectalternatives.InhopethatMotherNaturecanonedayreplenishitsgoodnesstothewayitwasmeanttobe.---------------OnlineJobSearchforCollegeStudentsTherearemanyresourcesavailabletohelpcollegegraduates(andstudents)withajobsearch.Fromyourcollegecareerservicesoffice,toalumniwhohavevolunteeredtohelp,tocollegejobsitesthatprovidejoblistingsandjobsearchtipsspecificallyforstudents,you'llfindavarietyofresourcesavailabletohelpwithacollegejobsearch.However,IfoundthebestwayistousetheInternetforjobsearch.Whilethepopularityofonlinejobboardsputsmillionsofjobsatone'sfingertips,ithasalsomadethejobapplicantpoolthatmuchbigger.Forthisreason,nationaljobsearchsitesandtheInternetasawholehavegottenabadrapfromsomeindustryprofessionalsasanineffectivejobseekertool;onthecontrary,theInternetactuallycanbeagreatresourceforjobseekers--theyjustneedtoknowhowtouseit.However,tobesuccessfulfindingajobonline,first,youneedtowriteastrongresume.InsteadofsimplypostingyourrésuméonaWebsite,takeitonestepfurtheranddesignaneasily-navigableWebsiteoronlineportfoliowhererecruiterscanviewyourbodyofwork,readaboutyourgoalsandobtaincontactinformation.Youalsoneedtocheckyourselftomakesureyouhaven'twreckedyourself.Googleyourselftoseewhatcomesup--andwhatpotentialemployerswillseeiftheydothesame.Ifyoudon'tlikewhatyoufind,it'stimetododamagecontrol.Afterthat,youneedtonarrowyouroptions.Manyjobboardsofferfilterstohelpusersrefinetheirsearchresultsmorequickly.Youshouldhavetheoptiontonarrowyourjobsearchbyregion,industryandduration,and,oftentimes,youcannarrowitevenmorebykeywords,companynames,experienceneededandsalary.Also,pleaseremembertogodirectlytothesource.Insteadofjustapplyingforthepostedjobopening,oneofthebeststrategiestofindingajobistofirstfigureoutwhereyouwanttowork,targetthatcompanyorindustryandthencontactthehiringmanager.Also,manyemployers'careerpagesinvitevisitorstofilloutcandidateprofiles,describingtheirbackground,jobsofinterest,salaryrequirementsandotherpreferences.ThebestthingaboutfindingajobonlineisthatyoucanfindyournichewithindustryWebsites.Refineyoursearchevenmorebyvisitingyourindustry'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.Thesesitesarecomposedofmillionsofindustryprofessionalsandallowyoutoconnectwithpeopleyouknowandthepeopletheyknowandsoforth.(Awordofcaution:Whenyousignupforonlinesocialnetworkingsites,youareinapublicdomain.Unlessyouareabletoputafilteronsomeofyourinformation,nothingisprivate,anditcanbedifficulttoeraseonceitisposted.).Intheend,letmesay:Happyjobhunting,andgoodluck!