英语口语之科技改变生活.ppt

英语口语之科技改变生活.ppt

ID:51014278

大小:1.97 MB

页数:20页

时间:2020-03-17

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1、Technologychangeourlife10inventionsthatchangedtheworld1.ElectricityItistruethatBenjaminFranklinholdsthetitleasthefatherofelectricity,buthisinventionanddiscoverywaslifethreateningbecausehehasdemonstrateditthroughthenaturallightingusinglighteningrodthatcouldhadcausedhislifeinordertoseeth

2、eelectricflow.Hence,thereareotherswhotriggered,anddidstudywhohadprepareddocumentsandbooksinordertocatchthewholeprocessandtechnicalitiesofelectricpower.Everythinginthemodernworlddependsonelectricity.ElectricityCanyouimaginetheworldwithoutelectricity?1.NOTV,Nocellphone2.Playgamesoutside,

3、anduseourimaginationsmore.3.Transportwouldbesteam-driven,animal-drivenorhuman-powered.4.Lightingwouldbebyflames,candlesorlanterns.5.Workwasallmanual.6.NoComputertoreadthis.7………..2.LightBulbWhowouldeverforgetthecreationofThomasAlvaEdisonofanelectriclightcalledbulbin1879whichhascausedone

4、ofthebiggestchangesintheworldnotjusttohouseholds,butinrunningallbusinessesintheworld.ItwaspatentedonJanuary27,1880,whereinitcategoricallyclassifiedasthefirstpracticallight.3.RefrigeratorWilliamCullenwasthefirstpersonwhoinitiatedandintroducedartificialrefrigerationin1748whichhehasdemons

5、tratedattheUniversityofGlasglow.OliverEvansimproveditwhenheinventedthefirstrefrigerationmachinein1805,andin1834,thefirstpracticalrefrigeratorwasmadebyJacobPerkins,thenanimprovementwasdonebyJohnGorriewhichhehasbasedfromOliverEvans’fridge.4.TelevisionIn1922anBritishengineernamedLogieBair

6、dfixedthefirstTVsetinhislab,andthankstohim,People’ssparetimebecomerichandcolourful.5.AutomobileBasedonthehistory,KarlBenzwasthefirstmoderninventorofautomobilein1886.Nonetheless,in1672,thefirststeam-poweredvehiclewasdesignedandintroducedbyFerdinandVerbiestwhilein1769,theself-propelledme

7、chanicalvehiclewasinventedbyNicolasJosephCugnot,thenin1807thefirstinternalcombustionengine(内燃机)wasmadebyNicephoreNiepce.In1881,a3-wheeledvehiclecameintothepicturethroughGustaveTrouveandlastly,KarlBenzfromGermanydevelopedhisveryownfour-strokecyclegasolineengine.In1893,thefirstgas-powe

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