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1、1.Somepeopleliketoworkinateam.Otherswouldratherworkindividually.Whichdoyoupreferandwhy?Asweknow,“Wheneverybodyaddsfuel,theflamesrisehigh”.Inmyopinion,Iprefertoworkinateam.Because therearemanyadvantagesofgroupworking.Firstly,Inateam,wecanshareouropinionsandbrainstormwhenwewanttodoso
2、meplansoractivities,whichistime-saving.Secondly,wecancooperatewithteammatestosolveproblemseasilywhenwemetsomedifficulties.Thirdly,It`sconvenientforustogetinformation andlearnsomethingwedon`tbefamiliarwithfrom peoplesurrounding us.Aboveall,Ithinkthatworkingin a groupismoreinterestin
3、gandurgemetoworkharder.1.Pleasecommentonthefollowingstatement:Computerethicscontributetoabetterandsafeuseofcomputersinourdailylife.Withtherapiddevelopmentoftechnology,thecomputerplaysanessentialroleinourdailylife.Whenweareenjoyingthebigconvenienceofcomputer,thereisalsoaseriousnetwo
4、rksecurityproblemthatwecan'tignore.Networkmoralcrisisoftheusers,whichresultedfromdislocationofnetworkmorality,istheuniversalprobleminnetworksociety.Somekindsofcybercrimeemerge.Suchasattackingotherpeople'scomputersystems,stealingotherpeople'sclassifiedfilesandspreadingfalseinformati
5、on,whichareunethical.Ourinformationfacesaseriesofproblems.Therefore,weneedtoestablishethicalstandards,lawsandregulationstoensurenetworkcivilizationandsecurity.OnlyinthiswaycanwehaveahealthyInternetEnvironment.So,computerethicscontributetoabetterandsafeuseofcomputersinourdailylife.3
6、.Whyareweloosingproductiveland?Howshallweaddressthelandproblems?Eachyearmoreandmorelandbecomesdegraded.Wearelosingproductiveland.Newdryareasaredevelopingandexpanding.I’mtalkingaboutnewdryareas,areaswherelandhasbeendeclininginquality.Thefirstisovergrazingbyfarmanimals.Overgrazing,ov
7、ercutting,andfarmingmethods.Second,overcuttingoftreesalsocontributestothelossofgoodland.Themainproblemistoomanytreesarecutandnotreplanted.Thereisnothingtoholdthegoodsoil.Windandwatercarrythegoodsoilawayanditerodesquickly,leavinglandthatisdryandlessproductive.Third,Populationisincre
8、asing,Contaminatedlandwill
