Unit 4 Period 1 Topic Talk 课件 高中英语新北师大版必修第二册（2023~2024学年）

北师大必修第二册Unit4(

英语

)ENGLISHTopicTalk新课导入

Let’stalkDoyouknowwhatinformationtechnologyis?(abbr.IT)thetheoryandpracticeofusingcomputersorelectronicequipmenttostoreandanalyseinformation1.能通过听两段音频，了解上网和使用应用程序的原因；2.能学会谈论使用应用程序和信息技术的影响。课堂学习PairWorkInwhatwaydoyouuseit?Whydoyouuseit?Howhasitchangedpeople’sdailylives?…Example:

IoftensearchforinformationformyprojectontheInternet.InformationTechnologyUsethequestionstotalkaboutinformationtechnology.ReadtheTextBuildercarefully.Thenlistentothedialogueandcompleteitbyunderliningthewordsorexpressionsyouhear.24.1TextBuilderInformationTechnologyIlove

exploring

new

technologies,becausethey__________________.Iuseappsto__________online.Ialsolikechattingonline.It________________________.Well,toomuchchattingonline__________________.aresoconvenientbuythingsmakesmefeellesslonelytakesalotoftimeUsetheTextBuildertotalkaboutinformationtechnology.3InformationTechnologyUsesReasonsEffects/Impactsaresoconvenient,makelifeeasier,enablebettercommunication,provideconvenience/education/informationchat,communicate,buythings,findinformation,learnaboutnewthingsmakescommunicationconvenient/mefeellesslonely,helpsmedevelopnewfriendships,enablespeopletocommunicatebettermakesusself-focused/liveinanunrealworld/addictedtoit,takesalotoftime,doesnotencourageface-to-facecommunicationLookandLearnA

mobile

application,

most

commonly

referred

to

as

an

app,

is

a

type

ofapplication

software

designed

torun

on

a

mobile

device,such

as

a

smartphone

or

tablet

computer.Listentothedialogue.Completethenotesinthetable.44.2AppsReasonsforuseMusicappIlistentosongswhen_______________________.Itreallyhelpsme________.Appsforthenews___________withthenewsalldaylong._________Iusedifferentavatars…becausetheyletmeexplore____________________.__________Abellringstoremindmethat____________.Ican’tsleeporfeelnervousrelaxGetupdatedGamesdifferentpersonalitiesAlarmclockmytimeisupUsethelanguageyouhavelearnttowriteashortparagraphabouttheappsyoufindusefulandtheproblemsyoushouldbeawareof.Thenshareitingroups.5Youcanfollowthecluesbelow.Apps:Appsfordifferentgames.Benefits:…becausenewgamesmakemylifeinteresting.Problems:ButIamafraidImaygetaddicted.Solutions:SoIdownloadedanappcalled“AlarmClock”.Quote&UnquoteTheFirstIndustrialRevolutionusedwaterandsteampowertomechaniseproduction(机械化).TheSecondusedelectricpowertocreatemassproduction(规模化).TheThirdusedelectronicsandinformationtechnologytoautomateproduction(自动化).—KlausMartinSchwabTechnologyisanythingthatwasn’taroundwhenyouwereborn.

—AlanKayWeareallnowconnectedbytheInternet,likeneuronsinagiantbrain.—StephenHawking

TheInternetisbecomingthetownsquarefortheglobalvillageoftomorrow.—BillGatesconvenience

n.方便，便利；便利的事物convenient adj.方便的；便利的inconvenience n.不方便；不便inconvenient adj.不方便的Keypoints[归纳拓展]atone’sconvenience在某人方便的时候forone’sconvenience(of)＝fortheconvenienceofsb.为了某人的方便Itisconvenient

forsbtodosth.某人方便做某事[即学即练]

单句语法填空1.Thesegatesarealwaysopen______theconvenienceofvisitors.2.Anyhelpfromyouwillbegreatlyappreciated.Pleasegivemeareply______yourconvenience.3.Willitbeconvenient_____youtostartworktomorrow?foratforeffect

n.效应；影响；结果

effective adj.有效的[归纳拓展]comeintoeffect

生效，开始实施takeeffect

生效，开始起作用ineffect 实际上，事实上havea/an...effecton/upon... 对……有……影响[即学即练]

单句语法填空1.Oneofthemost__________(effect)waystoreducestressistotalkaboutyourfeelingswithsomeoneyoutrust.2.Herwordshadamagicaleffect__________us.effectiveon/uponaddicted

adj.对……着迷的；沉迷的addictionn.癖好addictvt.使沉溺；使上瘾n.有瘾的人[归纳拓展]

be/become/getaddictedtosth./doingsth. 沉溺于……addictoneselftosth. 沉溺于……[即学即练]

完成句子很多孩子沉迷于上网，因此他们对学习失去了兴趣。Manykids______________________surfingtheNet,andsotheyhavelostinterestinstudy.＝Manykids__________________surfingtheNet,andsotheyhavelostinterestinstudy.＝___________surfingtheNet,manykidshavelostinterestinstudy.are/become/getaddictedtoaddictthemselvestoAddictedtoadmit

vt.&vi.承认；容许；接纳；容纳admissionn．承认；许可[归纳拓展]

admitdoing/havingdone/that...

承认……beadmittedto/into

被接纳进入admit...as... 接纳……作为……[即学即练]

单句语法填空1.LittleJackadmitted________