unit4socialmedia市公开课一等奖省赛课微课金奖课件

SocialMedia1/24LearningObjectivesAfterstudyingthisunit,you’llbeableto:guessthemeaningofunknownwordsfromword-building;appreciatethenarrativeandargumentativetechniquesemployedinthetext;learnhowtousesocialmediaforimprovinglifestyleandstudy2/24Socialmedia:computer-mediatedtoolsthatallowpeopletocreate,shareorexchangeinformation,careerinterests,ideas,picturesandvideosinvirtualcommunitiesandnetworks.Whatsocialmediadoyouoftenuse?Andwhataretheyusedfor?3/244/24PassageASocialmediaischangingourdailylivesInwhatwayscansocialmediachangeourdailylife?HowwemeetandstayintouchwithpeopleWherewegetnewsHowwestartanddobusinessWhatwecaninfluence5/24Topicsentences:Para.1Socialmediahaveprofoundlychangedourlivesandhowweinteractwithoneanotherandtheworldaroundus.Para.2Socialmediahavechangedthewaypeoplemeetandstayintouchwithpeople.Para.3Socialmediaisincreasinglybeingusedtofindandmaintainbotholdandpotentiallynewfriendships.Para.4Socialmediahasalsochangedourwaysofgettinginformation.Para.5Friendsinsocialmediaareincreasinglybecomingpeople’strustedsourcesofinformation,evenmorethansearchengines.6/24Topicsentences:Para.6Itiseasierthanevertostartandlaunchabusinesstodaythankstosocialmedia.Para.7Withsocialmedia,powerisincreasinglymorewidespread.Para.8Notopicsentence.Para.9Theaverageperson’sinfluenceisincreasingascommunicationchannelsbecomemoreopenandfluid.Para.10Ourworldhasbeenmoreimpactedthananythingelsebysocialmedia.7/24PassageBHowcansocialmediabeusedineducation?Inwhatwayscansocialmediabeusedineducation?Andwhataretheadvantagesrespectively?Marketing(recruitingnewstudents)ClassroomblogVideolearningTeacherMicroblogFakeaccount8/24Advantages:Buildupapositiveimageoftheschoolandallowparentstogetafeelforhowunbelievablyawesomeitis.Givethemasenseofachievementandinspireotherstudentstoworkharder.Peoplelovevideoandthestudentscouldre-watchthevideosathome.Establishaharmoniousrelationshipwithstudents.Getintothelifeofthatperson,greatfunandabetterwayoflearningaboutfamouspersonofthepast.9/24DebatingSocialmediainclassProsVSCons10/24ReadingSkills

GuesstheUnknownWordsfromWord-building

WeknowtherearequitealotofwordsinEnglishderivedfromastembyaddingaprefixorsuffix,orbothprefixandsuffixatthesametime.Knowledgeaboutstems,prefixesandsuffixeswouldbeofgreathelpforreaderstoguessthemeaningofsomeunknownwordswithoutstoppingreading.11/24AffixesAffixisacollectivetermforthetypeofmorphemethatcanbeusedonlywhenaddedtoanothermorpheme(therootorstem),soaffixisnaturallybound.Threesubtypes;--prefix:e.g.mini-macro-dis-para---suffix:e.g.-ment-en-ize-ful--infix:e.g.foot,feet,goose,geese12/24PrefixandsuffixLargemajoritiesofwordsareformedbyaddingboundmorphemestothebeginnings(calledprefixes)ortheendsofwords(calledsuffixes) e.g.unaware,reuse,telephone e.g.actor,friendly,pitiful,uselessThesewordsarecalledderivatives13/24PrefixEnglishandChineseprefixesbothtypicallychangethemeaningofawordbutdonotalteritslexicalcategoryIr+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)无+形容词: 无能、无用、无条件老+名词: 老王、老三、老玉米、老一套14/24Changeofwordcategorybe-+Noun:Verb:befriend,belittle贬低;em-/en-+Adjective

:

Verb：ensure,enlarge;a-+Verb:

Adjective:asleep,afloat;un-+Noun:Verb: unearth挖掘;post+Noun:Adjective: postwar可+动词: 可恨、可爱、可怜、可靠非+名词: 非法、非人、非正式15/24MoreexamplesNegation:unfair,nonsmoker,inedible,disloyal,abnormal;Reversion:uncover,deduce,discourage,counter-offer;Pejoration语义转贬:

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;16/24SuffixSuffixesinmostlanguagestransformawordintoanotherwordthathasarelatedmeaningbutbelongstoadifferentlexicalcategory

Noun+-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)17/24MoreexamplesofSuffixationNoun+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)Adjectiv