牛津译林 模块七第一单元 M7U1 welcome to this unit

LivingwithtechnologyUnit1Speakingoftechnology,thereisonethingthatcan’tbeneglected.Canyouguesswhatitis?electricityelectricalandelectronicproductsrefrigeratorwashingmachineAirconditionermicrowaveovenvacuumcleanerdesktoppclaptopelectricfandigitalcameraDigitalSinglelensreflexcameraDSLRcameraTelevisionTVremotecontrolblack-and-whiteTVHowdoyoulookupaword?ApaperdictionaryAelectronicdictionaryHowdoyoukeepintouchwithyourfriendsandfamilymembers?Smartphonedevelopmentofcommunicationletter/telegramtelephonebeepercellphoneHowdoyoulistentomusic?Talkingaboutyourexperience•Howhavetheychangedourlife?•“Personally,Ithinktheinventionthathasgreatlychangedourlifeis______because______.”•Whatcontributedtothesegreatinventions?•A.Thedevelopmentofscienceandtechnology.•B.…•C.…Discussion:Dotheelectronicdevicesbringusadvantagesordisadvantages?Advantages:meetpeople’sneedsimprovepeople’slivestosomedegreeDisadvantages:1)radiationmaybeharmfultopeople’shealth2)whenpeoplebuynewelectricalorelectronicdevices,theythrowawaytheoldones,whichnotonlycausewaste,butalsobeharmfultotheenvironment