英语六级作文 十大经典背诵范文

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1、备战2011年英语六级作文十大经典背诵范文摘要：我们精选的十篇经典背诵范文，为你准备英语六级加力。　　　　1.TheBrainandtheComputer　　Somerecentdevelopmentsinthecomputerindustrymakescientistspredictthatthegapbetweenhumanbeingsandmachineswillbeclosedabouttheyear20000.Tounderstandthesignificanceofthispredictionletuscomparethehumanbrainwithexisti

2、ngcomputers.Thebrainconsumeselectricalenergyattherateof25wattsandoccupiesavolumeofonetenthofacubicfoot.Thebrainhousesbetween10billionand100billionitemsofinformation.Everybraincellisdirectlyconnectedtomanyothercells.Asaresult,thecellsinwhichinformationisstoredcancommunicatewiththousandsofot

3、hercells.However,thecomputerconsumes1000,000wattsofelectricalpowerandoccupieshundredsofcubicfeetofspace.Itsmillionitemsofimmediatelyaccessibleinformation.Incontrast,thecomputermemoryislikeacellofpigeonholes,withnothinkingcapacityandnoconnectionselsewhere.Inaword,theelectronicbrainsarehopel

4、esslyinadequateincomparisonwiththehumanbrains.　　2.HealthandLife　　Asthesayinggoes,youdon’tknowwhathappinessisuntilyouloseit’youdon’tknowwhathealthisuntilyouareill.“Healthisofvitalimportancetolife”soundslikeaclichetoeveryone,butitisabsolutelytrue.Thenegligenceofthedelicatebalanceofyourbodyan

5、dsoul,theharmfulhabitssuchassmoking,excessivedrinkingandburningmid-nightoilwillcatchupwithyousomeday.Howmanybigplansareinterruptedbybadhealth!Evenanormallifeisunimaginablewithouttheguaranteeofhealth.Howtokeepfitisaneternaltopicofdiversityandcontroversy.Regardlessofallthedifferentsuggestion

6、spouredfromallkindsofsources,oneshoulddoatleasttwothingsforhim/herself.First,holdanactiveandoptimisticattitudetowardlifeandmaintainamentalwell-being.Second,livearegularlifeandkeepabalanceddiet.Anyway,ahealthylifeiswithinreachwhenyoubegintoadjustyourmindandbody.　　3.EnergyResources　　Chinaisr

7、ichinvariousenergyresources.Coalandpetroleum,forinstance,aretwomajorones.Theyareessentialindevelopingthecountry'sindustry,scienceandtechnology.Chinahasdoneagreatdealinthepastfewdecadestoraiseitsoutputofcoalandpetroleum.Threeenergyresourcesarebeinguseduprapidly