unit 4 social mediappt課件.ppt

SocialMedia,LearningObjectives,Afterstudyingthisunit,youllbeableto:guessthemeaningofunknownwordsfromword-building;appreciatethenarrativeandargumentativetechniquesemployedinthetext;learnhowtousesocialmediaforimprovinglifestyleandstudy,2,Socialmedia:computer-mediatedtoolsthatallowpeopletocreate,shareorexchangeinformation,careerinterests,ideas,picturesandvideosinvirtualcommunitiesandnetworks.Whatsocialmediadoyouoftenuse?Andwhataretheyusedfor?,3,4,PassageASocialmediaischangingourdailylives,Inwhatwayscansocialmediachangeourdailylife?HowwemeetandstayintouchwithpeopleWherewegetnewsHowwestartanddobusinessWhatwecaninfluence,5,Topicsentences:Para.1Socialmediahaveprofoundlychangedourlivesandhowweinteractwithoneanotherandtheworldaroundus.Para.2Socialmediahavechangedthewaypeoplemeetandstayintouchwithpeople.Para.3Socialmediaisincreasinglybeingusedtofindandmaintainbotholdandpotentiallynewfriendships.Para.4Socialmediahasalsochangedourwaysofgettinginformation.Para.5Friendsinsocialmediaareincreasinglybecomingpeoplestrustedsourcesofinformation,evenmorethansearchengines.,6,Topicsentences:Para.6Itiseasierthanevertostartandlaunchabusinesstodaythankstosocialmedia.Para.7Withsocialmedia,powerisincreasinglymorewidespread.Para.8Notopicsentence.Para.9Theaveragepersonsinfluenceisincreasingascommunicationchannelsbecomemoreopenandfluid.Para.10Ourworldhasbeenmoreimpactedthananythingelsebysocialmedia.,7,PassageBHowcansocialmediabeusedineducation?,Inwhatwayscansocialmediabeusedineducation?Andwhataretheadvantagesrespectively?Marketing(recruitingnewstudents)ClassroomblogVideolearningTeacherMicroblogFakeaccount,8,Advantages:Buildupapositiveimageoftheschoolandallowparentstogetafeelforhowunbelievablyawesomeitis.Givethemasenseofachievementandinspireotherstudentstoworkharder.Peoplelovevideoandthestudentscouldre-watchthevideosathome.Establishaharmoniousrelationshipwithstudents.Getintothelifeofthatperson,greatfunandabetterwayoflearningaboutfamouspersonofthepast.,9,Debating,SocialmediainclassProsVSCons,10,ReadingSkillsGuesstheUnknownWordsfromWord-building,WeknowtherearequitealotofwordsinEnglishderivedfromastembyaddingaprefixorsuffix,orbothprefixandsuffixatthesametime.Knowledgeaboutstems,prefixesandsuffixeswouldbeofgreathelpforreaderstoguessthemeaningofsomeunknownwordswithoutstoppingreading.,11,AffixesAffixisacollectivetermforthetypeofmorphemethatcanbeusedonlywhenaddedtoanothermorpheme(therootorstem),soaffixisnaturallybound.Threesubtypes;-prefix:e.g.mini-macro-dis-para-suffix:e.g.-ment-en-ize-ful-infix:e.g.foot,feet,goose,geese,12,Prefixandsuffix,Largemajoritiesofwordsareformedbyaddingboundmorphemestothebeginnings(calledprefixes)ortheendsofwords(calledsuffixes)e.g.unaware,reuse,telephonee.g.actor,friendly,pitiful,uselessThesewordsarecalledderivatives,13,Prefix,EnglishandChineseprefixesbothtypicallychangethemeaningofawordbutdonotalteritslexicalcategoryIr+Adjective:Adjective(irregular,irrelevant,irreplaceable,irresistible)ex+Noun:Noun(ex-Englandcricketer,ex-wife,ex-port)dis+Verb:Verb(disappear,discharge,discourage,disown)re+Verb:Verb(reverse,retell,replay,refuel,refund,regain)無+形容詞:無能、無用、無條件老+名詞:老王、老三、老玉米、老一套,14,Changeofwordcategorybe-+Noun:Verb:befriend,belittle貶低;em-/en-+Adjective:Verb：ensure,enlarge;a-+Verb:Adjective:asleep,afloat;un-+Noun:Verb:unearth挖掘;post+Noun:Adjective:postwar可+動詞:可恨、可愛、可憐、可靠非+名詞:非法、非人、非正式,15,MoreexamplesNegation:unfair,nonsmoker,inedible,disloyal,abnormal;Reversion:uncover,deduce,discourage,counter-offer;Pejoration語義轉貶:misjudge,maltreat,pseudo-classic;Attitude:pro-American,anti-Japanese;Location:indoors,export,adhere,descend,overhead,subway,international,transatlantic;Degreeorsize:supermarket,overdressed,underfeed;Timeandorder:preschool,foretell,postgraduate,ex-wife;,16,Suffix,SuffixesinmostlanguagestransformawordintoanotherwordthathasarelatedmeaningbutbelongstoadifferentlexicalcategoryNoun+-ful:Adjective(beautiful,doubtful,grateful,wonderful)Adjective+-ly:Adverb（beautifully,doubtfully，gratefully,really）Verb+-ion:Noun(discussion,transmission,emission,division)Verb+er/or:Noun(actor,instructor,teacher,rider,thriller),17,MoreexamplesofSuffixationNoun+suffix:Verb(beautify,televise,computerize)Noun+suffix:Adjective(rainy,poisonous,childish,tiresome)Noun+suffix:Adverb(homeward,eastward,clockwise)Verb+suffix:Noun(industrialization,movement,discussion,expectation)Verb+suffix:Adjective(dependent,reliable,cheerful,exciting)Adjective+suffix:Noun(coldness,happiness,socialism,loyalist,tenth)Adjective+suffix:Verb(industrialize,purify,sharpen)Adjective+suffix:Adverb(coldly,happily,madly),18,名詞+化：名詞（工業(yè)化、現(xiàn)代化、妖魔化、系統(tǒng)化名詞+吧：地點名詞(酒吧、網(wǎng)吧、氧吧、咖啡吧、音樂吧)名詞+頭：名詞(上頭、前頭、石頭、念頭、甜頭、