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大学英语四级作文范文10篇一TheAdvantagesandDisadvantagesofLivinginthe21stcentury(生活在21世纪的优缺点)Livinginthe21stcenturyofferscertainadvantages,suchasahigherstandardofliving,butitalsohassomedisadvantages,suchasapollutedenvironment.Tobeginwith,mostpeoplenowhavemoremoneyforlesshardwork.Theyearnhighersalariesthanbeforeandenjoybettersocialsecurity,suchassocialwelfareforlaid-offworkersanddisabilityinsurance.Secondly,becauseoftheadvanceinmedicaltechnologywhichleadstobettermedicalcareandtreatment,people’slifeexpectancyislonger.Moreover,mostpeoplenowcanaffordtobuyfoodsofhighnutritionandenjoytheirleisuretime.Thirdly,modernconveniencessuchasradio,TV,internet,variousvehiclesandlabour-savingmachinesinthehome,allgreatlyfacilitatehumancommunication,transportationandhouseworkaswell.Nevertheless,livinginthe21stcenturyalsohasitsdisadvantages.Themostseriousoneistheincreasinglypollutedenvironment;airisfilledwithsmogandwateriscontaminatedbyiehemicalsfromfactories.Anothermaindisadvantageisthepersonalizationofhumanrelattonshipswhichmostlyresultfrompeople’sever-increasingcontactwithmachinesandnumbers.Stillonemoredisadvantageistheweakeningofspiritualvalues.Anundeniablefactisthatalargenumberofpeoplearesolelyinterestedinmaterialisticculture,whileneglectingspiritualcivilization.Limitedbyspace,wehavetoskiptheexamples.Inconclusion,althoughthe21stcenturyhasindeedgivenusalotofadvantages,itmaynothavemadeuswiser,becauseithasalsomadeourearthdirtier,ourpeoplelesshumane,andourspiritualiiifepoorer,Weshpuldcontinuetoenjoythebenefitsoftechnologicaladvancement,however,wemustmakeaconcertedefforttopreserveournaturalenvironmentforfuturegenerations.Moreover,weshouldtakethetimenowtomakeourlivesmoremeaningfulinanihcreasinglyimpersonal,computerizedworld.二Onresponsibility.(关于个人责任)WeChineseplaceahighvalueonresponsibility.ItistraditionaldealforusChinesetotakecareofourparents.Weowethemagreatdealforthelovetheygiveuswhilewearegrowingup.Itisright,then,whentheyaregettingolderwitheachpassingday,wehelpthemandseethattheyarewellcaredfor.Inthisway,wegivebacksomeoftheloveandcaretheyhavegiventous.AsloyalChinesecitizens,wemusthaveastrongsenseofresponsibilitytoourcountry.ItisourdutytokeepChinastrongintheeyesoftheworld.Therefore,weshouldstudyandworkhardforChina’sstrongnesswhichalsodependsontheadvancedscienceandtechnology.WemustbewillingtojointheArmyanddefendourcountry,wouldwebethreatenedbyaninvader(侵入者).Inshort,tobearesponsiblecitizen,wemustputourcountry’swelfareaboveourownneeds.Finally,wemustrememberthatwehavearesponsibilitytotheworldwelivein.Itisimportantthatwelearntoliveinpeacewiththeothernationsoftheworldandtoprotectourenvironment.Ifwecarryouttheseresponsibilities,wewillberespected(受尊敬的)citizensofourcountry.三如何看待挑战Forthousandsofyears,peoplehaveacceptedchallengesindifferentfields.Therearenotonlyphysicalchallenges,butalsosocialandintellectual(聪明的)challenges.Somepeoplerisk(冒…险)theirlivesinplayingsportstoseehowwelltheycando.Otherstrytomakeandinvent(发明)somethingtomakelifeeasier.Theyallenjoychallenges.Whydopeopleenjoythesechallenges?Thereareprobablymanyreasons.Oneiscuriosity.Theotheristhepersonalfeelingofsuccess,ofachievement,andnowadays,forsomepeople,itisabusiness.Today,westillhavemanychallengersbeforeus.Medicalsciencefacesthechallengesofconqueringmanydiseaseswhichstillattackhumanbeings.Engineersandplannersmustbuildnewcities,designandproducenewkindsoftransportation.Scientistsmustdevelopnewformsofenergy.Inshort,weliveinanageofchallenges.四MyViewonJob-Hopping1.有些人喜欢始终从事一种工作，因为……。2.有些人喜欢经常更换工作，因为……。3.我的看法。Manypeopleareinclinedtodoonejobintheirlives.Intheiropinions,peoplewhochangetheirjobsfrequentlyaresuperficialandtactless.Theybelievethattheonlywaytosuccessistosticktoonejob,forconstantpracticeinaprofessionalfieldhelpsmakeantxpert.Buttherearestillmanypeoplewhodon’tagree.Theyarguethatchangemeansprogress.Ifyouarenotsatisfiedwithyourpresentjob,ofcourseyouhavetherighttoreplaceitwithamorechallengingandbetterpaidone.Everychangeisasteptofurthersuccess.Thisideamaybe.thereasonwhytheychangetheirjobssooften.Formypart,Ithinkitreasonabletochangeyourjobifyouhaveabetteropportuniry.Butonceyouhavefoundapositionwhereyoucanfullydisplayyourability,itisadvisabletosettledowntoitandputallyoureffortsintoit.Onlyinthisway,canyougetthetruejoyofachievingyourgoal.我对更换职业的看法许多人喜好终身从事一种工作。他们看来，经常更换职业的人浅薄，不老练。他们认为成功之道是终守一职，因为在自己的业务领域中反复实践有助于成才。但是，也有许多人不同意以上观点，他们认为变更就是进步。如果你不满意目前的工作，当然你有权力换一个更具挑战性的，待遇更好的工作。每一次更换就会向着更加成功迈进一步。这种观点也许是他们不断更换职业的原因。就我而言，我认为若有更好的机会，更换一下职业是合情合理的。但是，一日找到一份你能展示你的才干的职业，就该专心致志把它做好。只有如此，你才能真正享受到取得成就的欢乐。五EnvironmentalpollutionIreadapieceofnewsrecently.ItsaysthatinJapanmarlybusinessmenavesellingfreshairtocustomers.andnowitisbecomingmoreandmorepopular.Why?--FreshairisgettinglessandlessinJapan,andsoisitintheU.S.A.Infact,environmentalpollutionisaveryseriousproblemthewholeworldisfacing.itismainlycausedbythewasteproductsreleasedfromartificialsubstances,industrialproductionandincreasedconsumptionofgoods.Bedsides,theuseofchemicalsubstancesinagriculturealsocausesenvironmentalpollution.Lookatthesky,youcanseethatdenses