新一代大学英语视听说教程1 U4 PPT课件

SocialMediaandOnlineSafetyUnit4Warm-up01ListeningandSpeaking02ViewingandSpeaking03CONTENTSProject04Warm-up1Socialmediaisthecollectiveofonlinecommunicationchannelsforcommunity-basedinput,interaction,content-sharingandcollaboration.Workinpairstonamesomecommonsocialmediahomeandabroad,andtalkaboutwhyyoutendtousesomecommunicationchannelsratherthanothers.Warm-upFacebookisapopularfreesocialnetworkingwebsitethatallowsregistereduserstocreateprofiles,uploadphotosandvideos,sendmessagesandkeepintouchwithfriends,familyandcolleagues.AccordingtostatisticsfromtheNielsenGroup,InternetuserswithintheUnitedStatesspendmoretimeonFacebookthananyotherwebsite.Twitterisafreemicrobloggingservicethatallowsregisteredmemberstobroadcastshortpostscalledtweets.Twittermemberscanbroadcasttweetsandfollowotherusers’tweetsbyusingmultipleplatformsanddevices.ReferenceanswersWarm-upWikipediaisafree,opencontentonlineencyclopediacreatedthroughthecollaborativeeffortofacommunityofusersknownasWikipedians.Anyoneregisteredonthesitecancreateanarticleforpublication;registrationisnotrequiredtoeditarticles.WikipediawasfoundedinJanuaryof2001.LinkedInisasocialnetworkingsitedesignedspecificallyforthebusinesscommunity.Thegoalofthesiteistoallowregisteredmemberstoestablishanddocumentnetworksofpeopletheyknowandtrustprofessionally.ReferenceanswersWarm-upBesidestheabove-mentionedcommunicationschannels,wehaveQQ,Microblog,WeChat,etc.ThefirstoneIusedisQQ,becauseitfirstcameintoexistence.Thebiggestadvantageofitisthatitenablesmetosendlargeattachments.IstilluseitnowwhenIaminfrontofthecomputer.IalsouseMicroblog,butIuseitlessoftennow,becausenotmanypeopleuseitnow.Thisimpliesone’schoiceofcommunicationschannelsisaffectedbyothers.Itsmainfunction,Ithink,islikeadiary,whichisarecordofwhatIdo,andwhatIthink.Itisalsofocusedoncurrentsocialevents.ReferenceanswersWarm-upWhatIusethemostoftennowisWeChat.ItisamobiletextandvoicemessagingcommunicationservicedevelopedbyTencentinChina,firstreleasedinJanuary2011.Itisthelargeststandalonemessagingappbymonthlyactiveusers.Itisthenewestappamongthethree,butprobablyhasthemostusersnow.WeChatprovidestextmessaging,hold-to-talkvoicemessaging,broadcast(one-to-many)messaging,sharingofphotographsandvideos,andlocationsharing.Photographsmayalsobeembellishedwithfiltersandcaptions,andamachinetranslationserviceisavailable.SoIuseittosendtextmessages,voices,photosbothforfunandforwork.ReferenceanswersWarm-up2Workingroups.Eachofyouintroducesoneofyourfavoriteapps.Youmayrefertothefollowingpoints.•name•function•intendedusers•popularity•howtouseit•roomforimprovementsWarm-upIliketousemanyapps,suchasKuwoMusic(酷我音乐),Meituxiuxiu(美图秀秀),Dazhongdianping(大众点评),andTushubiji(涂书笔记).Manyothersmustknowtheformerthree.SoIwillintroducethelastone,Tushubiji.Thenameisinteresting,becauseitreadslikeDushubiji,whichmeansthatonetakesnoteswhilereading.Butthefirstwordinthisappis“tu”,whichmeans“daub”:tohighlight,orincludeacertainareaofthephotoyouhavejusttakenofabookpage.Itsmainfunctionistoconverttheprintedwordsinabookintoelectronicversion.Itisintendedforthosewhooftenreadbooks,andwhoarerelativelymorehigh-techsuchasteachersandstudents.Itworksveryeasily.First,youdownloadittoyoursmartphone,andthenloginit.Butyouhavetoregister,oruseyoursinaMicroblogusernameifyoualreadyhaveone.ReferenceanswersWarm-upYouopentheapp,takeaphotoofthefewlinesofabookpagethatyouwanttorecord,andthendaubthepartyouwantwithyourfinger,pressthetick(√)icon.Miraculously,youwillseethatthepartofthephotoyoudaubedjustnowhastransformedintoChinesecharactersinawordfileifthebookisinChinese.IfthebookisinEnglish,youjustneedtopress“English”,thenthephotowillbetransformedintoEnglishwords.Thenpress“nextstep”and“finish”tosavethenote.Youmayedit,andsharethenoteifyoulike.Thedrawbackisthattheareayoumayscanandrecordisrelativelysmall,maybejusthalfapage.Butit’sbetterthannone.Itisaverynewapp,andIhopeitwillbeimprovedastimegoeson.ReferenceanswersWarm-upListeningandSpeakingTopicOneWhatismassmedia?1Listentoatalkandchoosethebestanswertothequestions.ListeningandSpeakingWhatismassmedia?Listeningandunderstanding1WhichofthefollowingisNOTaformofmassmedia?B.Alternativemedia.2Whydomanymediaoutletshaveawebpresence?A.TomakefulluseoftheInternet.3Whatarethemajordifferencesbetweenmassmediaandlocalmedia?C.Localmediahasasmalleraudienceandismoreregional.4WhydoesthetalkcitetheexampleofTheGuardian?D.Toshowthatcertainlocalmediacanbeupgradedtomassmedia.5Whichofthefollowingisoneofthecriticismsofmassmedia?A.Itfailstoaddressnumerousinterestinglocalstories.6Whyisitimportanttounderstandmassmedia?C.Becauseithelpsustounderstandapeopleandculture.2Listentothetalkagainandcompletethesummary.ListeningandSpeakingListeningandunderstandingWhatismassmedia?Massmediaisintendedfor1)______________,anditissometimesusedasasynonymfor“2)_______________”.Ittakestheformssuchas3)______________,printmediaandthe4)__________,whichincludesInternetandmobilemasscommunication.Manymediaoutletsmaintainawebpresencetotakeadvantageofthe5)______________oftheInternet.Asopposedtomassmedia,localmediacoversamuchsmaller6)_______