Unit 3 Welcome to the unit 課件-2022-2023學年高一下學期英語牛津譯林版（2020）必修第三冊

Unit3TheworldonlinewelcometotheunitLearnsomefactsabouttheInternet.DiscusssomequestionsabouttheInternet.LearningobjectivesTheInternetisthebiggestsource

ofinformationintheworldInternetacomputerandit’saccessible(可獲得的)

through___________.Task1---Lead-incrossbarriersbarrier:障礙

connectculturesIhopewewillusetheNettoand.---TimBerners-Lee我希望我們能用互聯網跨越障礙,聯結文化。

—

蒂姆·伯納斯·李WhenyouaresurfingtheInternet,whatdoyouusuallydo?Task2---Freetalk1.toobtaininformationorresources2.toshoporchat3.toentertainourselvesTask3--SomefactsabouttheInternetTherearemanyimportantmilestones(里程碑)inthedevelopmentoftheInternet.Let’slearnsomefactsaboutitonebyone.Wecanseethe“@”signofanemailaddress. Thefirstemailwassentin1971byRayTomlinson.Itwasatestmessagetohimself.Hewantedtoseewhetherhecouldsendamessagefromonecomputertoanother.Hechosethe"@"signtoseparatetheusernamefromthenameofhismachine.the______ofthefirstemailoriginWecanseeawebcam.ThefirstwebcamwascreatedbycomputerscientistsattheUniversityofCambridgein1991.Whatdiditfilm?Acoffeepotoutsidetheoffice.Thesescientistsusedthewebcamtoseefromtheirdeskswhetherthepotwasemptyto

avoidwastedtripsforcoffee.Whatwasthefirstwebcamusedfor?Saysomethingaboutitinyourownwords.Wecansee

someemojis. Emojis,smalldigitalimagesusedtoexpressideasorfeelingsinelectroniccommunication,werecreatedin1999inJapan.ThecreatorwasinspiredbyJapanesecomics,streetsignsandChinesecharacters.Soonemojistookoffthroughouttheworld.OxfordDictionariesselected,the"FacewithTearsofJoy"emoji,astheWordoftheYear2015.Emojisare_________________for_________ideasorfeelings.Japanesecomics,streetsignsandChinesecharactersarethe__________fortheircreation.expressingsmalldigitalimagesinspirationsemojis=e(圖片)+moji(文字)Whichoftheaboveinventionsdoyouusemostfrequently?Why?

Task4---FreetalkTask5--Languagepoints很快表情符號就風靡全球了。Soonemojistookoffthroughouttheworld.

1.takeoff

突然大受歡迎,

迅速流行2.Theplaneeventuallytookoffat11o'clock.3.Youhavetotakeoffyourshoesbeforeyougotothecomputerroom.4.Ihavedecidedtotakeafewdaysoffworknextweek.5.Hiscareertookoffwhenhewasthirty.(事業(yè))騰飛(飛機)起飛脫下,脫掉(衣物)休假;休息takeaway

takeout

takein

takeon

takeup

兩分鐘記憶take構成的短語,挑戰(zhàn)你的記憶力。拿走；使離開；消除(病痛等)