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高中英语：Unit1(Livingwithtechnology)课件-Project(牛津译林版选修7)课件.ppt

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Unit1LivingwithtachnologyProjectMakingalistofprosandconsLead-inquestionsDifferentfunctionsofmobilephonestakingphotoslisteningtomusicSurfingtheInternetsendingshortmessagesMobilephoneshavebecomepartofpeople’slifeanddobringuslotsofadvantages,buttherehavebeenanargumentaboutthesafetyofusingthemformanyyears.What’syourideaonthisissue?Doyouthinktheuseofmobilephonesisdangerousornot?Why?Nowlet’sreadanewspaperarticleaboutthepossiblenegativeeffectsofmobilephoneuseonpeople’shealth.ReadingstrategyReadthetitleandthefirstparagraphcarefullyandanswerthefollowingquestions.Whatmightbethewriter’sattitudetowardsmobilephoneuse?Whydoyouthinkso?Mainpoints1.Usingamobilephonedoublestheriskofdevelopingbraincancer.Mainpoint1:Usingamobilephonedoublestheriskofdevelopingbraincancer.SupportingdetailsThereportisbasedonthefindingsofresearchthatwascarriedoutinSweden,comparing1,617patientsfoundtohavebraintumoursbetween1997and2003withthesamenumberofhealthypeople.Mainpoint2Digitalmobilephonesareanactualdanger.Supportingdetails:Thestudy,conductedwith200mice,ofwhichhalfwereexposedtoradiationwhiletheotherhalfdidnotreceiveanyradiation,showsthatthefirsthalfwerefoundtohavemorethantwicethecancerrateofthesecondhalfaftereighteenmonths.Mainpoint3Thereasonswhythereisnodefinitescientificevidenceavailablenowabouttheeffectsofmobilephonesonpeople’shealth.Supportingdetails:Enormousprofitfromthetelecommunicationsindustrypreventsthebadresultsoffindingsfrombeingexposed.Readthearticleagain.Askquestionsabouttheplacesthatyoudonotunderatand.