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1、Somepeoplebelievethatairtravelshouldberestrictedbecauseitcausesseriouspollutionandwilluseuptheworld’sresources.Doyouagreeordisagree?Theissueoftheimpactofairtravelontheenvironmenthasheatedupinrecentyears,followingtheconcernthatmoreandmorepeopleturntoitasameansoftr
2、avel.Restrictionshavebeenpreferablyimposedonairtravel,accordingtosomepeople.Therearesomepointsintheirargument.Thefirstisthataircraftshavebeenresponsibleforalargeproportionofairpollution.Planes,eitheridling（空载）ortaxiing（滑行）,contributealargeproportionoflocalemissio
3、nannually.Somemightsuggestthatairistheonlysuitablemodeoftransportfordistancetrips.Thisviewpointisfallacious（谬误的，靠不住的）.Trains,forinstance,serveasanoptimalalternative,consuminglessenergyandcausinglesspollution.Aswellasairpollution,aircraftscancausenoisepollution.Al
4、thoughitisdifficulttomeasuretheactualimpactofnoiseonpeople’severydaylives,itsabilitytoincreasetheanxietyandlevelsofannoyancehasbeenconfirmed.Especiallytothoselivingintheneighbourhoodofanairportandaroundtheflightpaths,noisecreatedbyaircraftsisindeedaheadache.Altho
5、ughtravellingbyairislikelytocauseproblems,itisnottosaythatairtravelshouldbesignificantlyrestricted.Alternatively,airtravelcanbeoperatedinamannerthatitsstrengthscanbefullytakenadvantageof.Forexample,byreplacingoldengineswithcleanerones,peoplecanmitigate（减轻、缓和）thee
6、nvironmentalimpactcausedbyflying.Meanwhile,aircraftshaveahighercapacity,allowinggreaternumberofpassengersforeachflightandtherebygivingthebestpossiblevaluestothefuelused.AccommodateInthelightofthefactsoutlinedabove,substantialthoughtshouldbegiventotheproblemofpoll
7、utioncausedbyaircrafts.However,itdoesnotautomaticallymeanthatairtravelshouldbecurtailed.Instead,peopleshouldmakeadjustmentsandimprovementswhereverappropriatetoensuretheoptimaluseofthisformoftravel.Turnto=resortto=relyonIdle=stayunused=remainredundant闲置的状态，非使用状态Op
8、timal=best=mostfavourable最好的Confirm=verify=provetrue确定证实Mitigate=alleviate=ease=lessen=soften减轻减少Formoftravel=meansoftravel=modeoftravel交通方式，交通工具
