Thefirstdecadeofthe21stcenturyhasbeenaremarkableperiodforinventions.Herearesomeofthemostinfluentialinventionsinthefirstdecade.1.iPodandiTunes:ThesetwoinventionsfromAppleInc.presentedarevolutionarynewwayfo
Thefirstdecadeofthe21stcenturyhasbeenaremarkableperiodforinventions.Herearesomeofthemostinfluentialinventionsinthefirstdecade.
1.iPodandiTunes:
ThesetwoinventionsfromAppleInc.presentedarevolutionarynewwayforpeopletolistentomusicandfundamentallychangedtherecordingindustry.iTuneswasintroducedinJanuary,2001andwasmarketedasaprogramthattransferred (转录) CDsintodigitalaudiofilesandhelpedorganizedigitalrecordings.Laterthatyear,AppleintroducedtheiPod,adevice (设备)thatusedaharddisktostoremusicfiles.Thefirstmodelhada5GBcapacityandcouldholdover1,000songs.
2.iPhone:
TheiPhonefromAppleInc.wasreleasedinJuneof2007andcompletelychangedthewaymobilephonesareusedpersonallyandinbusiness.Olderphonestypicallyincludedvoicecommunicationsandsometimesakeyboardtosendtextmessages.Phonesthatofferedinternetaccesswereusuallyunreadableanddifficulttohandle.TheiPhoneintroducedthemulti-touchinterface(界面) thatallowsforquickandeasyaccesstodata,music,andpictureswhileprovidingstorageforotherimportantinformation.
3.ElectricCar:
TeslaMotorswasformedin2003.Itwasthefirstcompanytoproduceavehiclethatdidnothavesignificantdifficultyinproductionorsales.Teslavehiclesclaiman88% efficiencyratingcomparedto20-25% fortraditionalgasoline-poweredcars.AccordingtodatafromtheNationalFireProtectionAssociation,adriveris"5timesmorelikelytoexperienceafireinatraditional gasolinecarthanaTesla."
4.Facebook:
Facebookwasnotthefirstsocialnetworkingwebsite,butsinceitsintroductionin2004ithasbeenthemostinfluentialmedium.150millionusersworldwideappreciateitsmultitudeoffeaturesandeasyaccessibility.Theconceptofbuildingconnectionsthroughinternethaschangedthemannerinwhichbusinessesmarkettheirproductsandpeopleinteractwithoneanother.
21.WhatcanwelearnaboutiTunes?___
A.Itisusedtostoremusic.
B.Ithasaharddisk.
C.ItturnsCDsintodigitalaudiofiles.
D.ItwasintroducedafteriPodwasinvented.
22.Comparedtoatraditionalga