Unit 3 Welcome to the unit 课件-2022-2023学年高一下学期英语牛津译林版（2020）必修第三册

Unit3TheworldonlinewelcometotheunitLearnsomefactsabouttheInternet.DiscusssomequestionsabouttheInternet.LearningobjectivesTheInternetisthebiggestsource

ofinformationintheworldInternetacomputerandit’saccessible(可获得的)

through___________.Task1---Lead-incrossbarriersbarrier:障碍

connectculturesIhopewewillusetheNettoand.---TimBerners-Lee我希望我们能用互联网跨越障碍,联结文化。

—

蒂姆·伯纳斯·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(图片)+moji(文字)Whichoftheaboveinventionsdoyouusemostfrequently?Why?

Task4---FreetalkTask5--Languagepoints很快表情符号就风靡全球了。Soonemojistookoffthroughouttheworld.

1.takeoff

突然大受欢迎,

迅速流行2.Theplaneeventuallytookoffat11o'clock.3.Youhavetotakeoffyourshoesbeforeyougotothecomputerroom.4.Ihavedecidedtotakeafewdaysoffworknextweek.5.Hiscareertookoffwhenhewasthirty.(事业)腾飞(飞机)起飞脱下,脱掉(衣物)休假;休息takeaway

takeout

takein

takeon

takeup

两分钟记忆take构成的短语,挑战你的记忆力。拿走；使离开；消除(病痛等)