1、IntheearlyinindustrializedcountriesofEuropetheprocessofindustrialization-withallthefar?reachingchangesinsocialpatternsthatfollowed-wasspreadovernearlyacentury,whereasnowadaysadevelopingnationmayundergothesameprocessinadecadeorso
2、TheAmericaneconomicsystemisorganizedaroundabasicallyprivate?enterprise,market?orientedeconomyinwhichconsumerslargelydeterminewhatshallbeproducedbyspendingtheirmoneyinthemarketplaceforthosegoodsandservicesthattheywantmost
3、Pollutioniscausedeitherbyman′sreleaseofcompletelynewandoftenartificialsubstancesintotheenvironment,orbyreleasinggreatlyincreasedamountsofanaturalsubstance,suchasoilfromoiltankersintothesea。
4、Thekindsofevidencefortheroundnessoftheworldthatledfinallytoitsgeneralacceptanceincludedsuchdataastheshapeoftheshadowoftheearthonthemoonduringaneclipseofthemoon,thefactthatasonesailsfromportonashipthebuildingoftheportgraduallyseemtosinkbelowthesurfaceofthewater,and,mostconvincing,thefactthatitispossibletosailallaroundtheworldandreturntothestartingpointofthevoyage。
5、Apartfromtheenormousoutflowoffundsfromtheoil?consumingcountries,amorebasicconcernisthecapabilityofthemajorexportersofcrudeoiltoachieveacontinuingproductiontargetroughlydoublingoutputeverytenyearstomeettherequiredoildemandifpresenttrendcontinues。?
6、Pollutionandwastecombinetobeaproblemeveryonecanhelptosolvebycuttingoutunnessarybuying,excessconsumptionandcarelessdisposaloftheproductsweuseinourdailylives。?
7、Itisnowpossibletoaddorsubtracttwolargenumbersinonetotwomicroseconds,andtomultiplyordividethemintentotwentymicroseconds,sothatacomputercanperformasmucharithmeticinaquarterofanhourasanefficientclerkwithpencilandpapermightreasonablyhopetoachieveinalifetime。
8、Theimplicationsofthislineofreasoningareinescapable:themovementoftrafficthroughthestreetsofatowncannotbeunderstoodwithouttakingintoaccounttheactivitieswhichtakeplaceinthebuildingswhichlinethem;togetattherootsofthetrafficproblemwemustapproachitthroughthesocialandeconomicfactorswhichdeterminethewaysinwhichactivitiesandbuildingsarearrangedinourtowns。
9、Asthecenturydeveloped,theincreasingmagnitudeandcomplexityoftheproblemstobesolvedandthegrowinginterconnectionofdifferentdisciplinesmadeitimpossible,inmanycases,fortheindividualscientisttodealwiththehugemassofnewdata,techniquesandequipmentthatwererequiredforcarryingoutresearchaccuratelyandefficiently。?
10、Buteventoday,inspiteofthehighstandardoflivingwhichhasbecomegeneralinthemorefortunateWest,themajorityofpeopleintheworldstillspendnearlyalltheirtimeandenergyinanear?endingstrugglewithnaturetosecurethefoodandsheltertheyneed。
发布者:ws2012
来源:在职博士网本页网址:http://zzb.china-b.com/bszx/21542.html声明:我方为第三方信息服务平台提供者,本文来自于网络,登载出于传递更多信息之目的,并不意味着赞同其观点或证实其描述,文章内容仅供参考。如若我方内容涉嫌侵犯其合法权益,应该及时反馈,我方将会尽快移除被控侵权内容。