Unit 4 Understanding ideas 公开课课件2022-2023学年高中英语（外研版2019必修第一册）

Unit4FriendsforeverUnderstandingideasTeachingobjectivesLearningobjectives：1、Studentscangraspthenewwordsandexpressionssuchasfamiliar、adventure、deliver、losetrackofandsoon.2、Studentscangraspthegeneralideaforthewholepassage.Abilityobjectives：Studentswillbeabletousedifferentbasicreadingstrategieslikeprediction/skimming/scanningcorrectlyintheirreadingprocess.Emotionalobjectives：Studentscandevelopahabitofcriticalthinkingwhenfacing“adouble-edgedsword”andcancooperatewithclassmatesactivelyandcompletethetaskstogether.KeypointsanddifficultpointsKeypoints：1、Helpstudentsknowthemeaningandusageofthenewwordsandexpressionssuchasfamiliar、adventure、deliver、losetrackofandsoon2、Letstudentsunderstandthegeneralideaforthewholepassagethroughreading.Difficultpoints：Howtousedifferentbasicreadingstrategieslikeprediction/skimming/scanningcorrectlyintheirreadingprocess.Warming-upLookatthequestionsaboutfriendshipandtickyouranswers.Findoutthemostpopularanswersinyourgroup.1.Howdoyouprefertomakefriends?2.Howdoyouprefertocommunicatewithfriendseveryday.3.Howdoyoustayintouchwithfarawayfriends?Warming-upFindoutthemostpopularanswersinyourgroup.forever

familiaradventureprefer

losetrackofdeliverthanksto

advance

adv.永远

adj.

熟悉的v.更喜欢不了解...的情况，不了解...的动态n.进步，进展

n.历险（经历），奇遇

v.递送，传送归功于...，多亏...significantly

socialmediamaintainwi-fi

clickdigitalenable

unusualadv.重大地，显著地v.点击（鼠标）

adj.数字的，数码的v.使可能，使发生

adj.异常的，不平常的社交媒体v.保持，维持n.无线网络，无线上网site

tend

update

saying

bathwaterthrowthebabyoutwiththebathwater

acquire

goods

n.网站v.易于做某事，往往会发生某事n.最新消息n.格言，谚语，警句

n.浴水，洗澡水不分良莠一起抛弃v.获得，得到n.商品prove

illustratediagraminspiring

teenager

pourpotgrampackv.证明，证实v.（举例）说明，阐明n.图解，示意图adj.鼓舞人心的，启发灵感的n.青少年，十几岁的孩子

v.灌，注，倒

n.锅n.克n.小盒，小包comfort

patiencepassionslicequalityanxious

distancepostponen.安慰，慰藉n.耐心n.强烈的情感，激情n.片，薄片v.使与...保持距离，撇清和..的关系

v.使（事件，行动等）延期，推迟n.素质，品德adj.焦虑的，不安的SkimmingWhatdoesclickreferto?Whyisthereaquestionmarkinthetitle?Whatdoesthepassagetalkabout?Whatistheauthor’sopinionsaboutonlinefriendship?WatchingSkimmingPossibleanswers:1.“Click”means“点击”,andhereitmeanslookingforafriendonline.2.Thequestionmarkmeansaskingforyouropinion.Doyouthinkitisagoodideatomakeafriendonline?3.Thepassagemainlytalksaboutthedevelopmentofmakingfriendsonline,theadvantagesanddisadvantagesofmakingfriendsonlineandtheauthor’sattitudestowardsit.4.Intheauthor’sopinion,weshouldn’tcompletelytrustthepeopleontheInternet.Weshouldtreatthefriendsonlinerationallyandwisely.ScanningActivity3:Choosetheauthor'spurposeinwritingthepassage.1.Toprovethatmakingfriendswaseasierinthepast.2.Toillustratehowitisbettertomakefriendsonline.3.Topersuadepeopletoabandontraditionalwaysofmakingfriends.4.Todiscusstheadvantagesanddisadvantagesofmakingfriendsonline.

1．Whatmakesmakingfriendschangesignificantly?A．Hatingtraditionalwaysofmakingfriends．B．People'softenmovingtoanotherplace．C．Thedevelopmentoftechnology．D．People'slivingtoofarawaywithothers．Detailedreading2．WhatcanthedigitalageenabletodoaccordingtoParagraph3?A．Shoponlineandsavetime．B．Dobusinesswithotherpeople．C．Lookthroughinterestingwebsites．D．Findpeoplewithsimilarinterests．3．Whichfriendsmayberealfriendsonline?A．Peoplewhooftenhaveachatwithyou．B．Peoplewhoalwaystellyouthetrueinformation．C．Peoplewhointroduceotherpeopletoyou．D．Peoplewhohavesimilarinterestswithyou．4．What'sthemainideaofParagraph7?A．AdogmaysurftheInternet．B．Therearetoomanycriminalsonline．C．Someinformationonsocialmediamaybefalse．D．Don'tshareyourrealpersonalinformationonline．5．Whatcanbelearnedfromthelastparagraph?A．Peoplecanhavenofriendbecauseofsocialmedia．B．People'slongingforfriendshasdecreased．C．Themeaningoffriendshiphaschangedalot．D．Friendshipisstillimportantforpeople．DetailedreadingWaysofmakingfriendsPeoplelosttrackoftheirfriendsafter1_____________.Theonlywaytostayintouchwas2_____________.It’seasyto3_____________withsocialmediatools.Online,peoplecaneasilymakenewfriendswiththosewho4_____________.PastPresentmovingtoanewtownCompletethediagramswithexpressionsfromthepassage.writinglettersmaintainfriendshipssharetheirinterestsDetailedreadingOnlinefriendship:realornot?Itcanberealifpeople5_____________online.Itmightnotberealbecausesocialmediadoesn’tpresent6_____________,andpeopletendto7_____________.exchangetruepersonalinformationthewholetruthaboutapersonpostonlypositiveupdatesGroupDiscussionThink&share1.Whydoestheauthorsay“Butthisdoesn’tmeanthatweshouldthrowthebabyoutwiththebathwater”?Weshouldtellrightfromwrong.我们应该明辨是非。DoyouknowofanysimilarsayingsinChinese?取其精华，去其糟粕。2.Doyouprefertomakefriendsonline?Why?Shareyourownopinions.SummaryActivity4:Completethediagramswiththeexpressionsfromthepassage.PastPresentPeoplelosttrackoftheirfriendsafter1.____________________.It’seasyto3.________________withsocialmediatools.Theonlywaytostayintouchwas2.________________________.Online,peoplecaneasilymakenewfriendswiththosewho4.___.Itcanberealifpeople5.________online.Itmightnotberealbecausesocialmediadoesn’tpresent6._______,andpeopletendto7._________.SummaryActivity4:Completethediagramswiththeexpressionsfromthepassage.1.movingtoanewtown2.writingletters3.maintainingfriendships4.sharetheirinterests5.exchangetruepersonalinformation6.thewholetruthaboutaperson7.postonlypositiveupdatesAssignmentWrite

about

your

ideaaboutmakingfriendsonline.

Support

your

idea

with

at

least

one

example.Goodbye!

Loveyouguys!1.How would you feel if moving to a new town meant losing

track of your friends?

If引导条件状语从句，movingtoanewtown是动名词做主语。

mean+doing意思是“意味着……”losetrackof失去联系如果搬到一个新的城镇意味着与朋友失去联系，你会有什么感觉?Notes2.This was how things worked not very long ago.how引导表语从句

。不久以前，事情就是这样运行的。workvi.起作用，运行Thephoneisn’tworking.这部电话坏了。Itworksbyelectricity.这是电动的。Notes3.Thanks to advances in technology,how we make friends and communicate with them has changed significantly. Thanksto介词短语做状语，“多亏了……”。how引导主语从句。由于技术的进步，我们交朋友和交流的方式发生了巨大的变化。Notes4.Nowadays,we can move around the world and still stay in touch withthepeople that we want to remain friends with. that引导定语从句，修饰先行词people。stayintouchwith与……保持联系remainvi.仍然是如今，我们可以走遍世界各地，也可以和我们想要保持朋友关系的人保持联系。Notes5.Social media tools let us see what our friends are up to and maintain friendships.what引导宾语从句。

beupto从事于，忙于社交媒体工具让我们了解朋友在做什么，并维持友谊。Notes6.Whatever our hobbies, the Internet can connect us with others whoalso enjoy doing them, even if they live on the other side of the world.whatever引导让步状语从句，该从句中省略了are；who引导定语从句，修饰先行词others；even if引导让步状语从句，“即使，尽管”。无论我们的爱好是什么，互联网可以把我们和那些同样喜欢做这些事的人联系起来，即使他们住在世界的另一端。Notes7.But we need to keep in mind

that

what we see on social media is often not the whole truth about a person. that引导宾语从句，该从句中又含有what引导的主语从句。

keep…inmindthat“铭记在心……”但我们需要记住，我们在社交媒体上看到的往往不是关于一个人的全部真相。Notes8.Although technology has changed the way we acquire friends, the meaning of friendship and our longing for friends remain the same. although引导让步状语从句，该从句中又包括定语从句we acquire friends。先行词theway表方式。尽管科技改变了我们获得朋友的方式，但友谊的意义和我们对朋友的渴望仍然没有改变。Notes9.As Aristotle said, no one would choose to live without friends，even if he had all other goods.

as引导定语从句，并在定语从句中作said的宾语；even if引导让步状语从句。正如亚里士多德所说，没有人会选择生活中没有朋友，即使他拥有所有其他的财富。Notes1.deliver vt.递送，传送；接生；生(小孩儿)；发表(演说等)(教材P38)Did you deliver my message to my mother?你把我的信息传送给我母亲了吗？ The doctor delivered the twins safely last night. 昨天晚上那位医生安全地接生了一对双胞胎。 He delivered a speech at the opening ceremony of the World Cup. 他在世界杯的开幕式上致辞了。 Notes►单句语法填空/补全句子 ①Milkis_________(deliver) to our door every morning. ②Dr.Smithwill_______________(发表演讲)on endangered species. 史密斯博士将发表一篇关于濒危物种的演讲。 delivery n.   递送 deliver...to...  把……传送给……

deliver a speech  发表演讲/致辞Notesdelivereddeliveraspeech2.advance n.进步，进展v.前进；提前adj.预先的，在前的 (教材P38) ►写出下列加黑单词的含义 ①There have been great advances in medicine in the last ten years. 在过去十年里，医学取得了巨大的进步。 ②The strikers advanced on/towards us, shouting angrily. 罢工的人愤怒地喊叫着向我们逼近。 ③It isa popular show, so advance booking is essential. 这是一场很受欢迎的演出，所以一定要提前订票。 ④You’d better make a plan in advance.你最好提前制订一个计划。 ⑤He is far in advance of his class.他在班上遥遥领先。 Notes3.tend v.易于做某事，往往会发生某事；照看 (教材P39)Boys and girls tend to be different in this regard. 男孩和女孩在这方面往往有所不同。Mom was usually busy tending to my younger sisters. 妈妈通常忙于照顾我的妹妹们。 When

I’mtired,

I

tend

to

makemistakes.

我累了就容易出错。Notestendency n.趋向，趋势  tend to do sth易于，往往会做某事 tend (to) sb照顾某人 tend to/towards倾向于，趋于①There is a growing tendency for people to work at home instead of in offices. ②Which sleeping position shows that the sleeper tends toseek perfection? ③Wetendtothink that everything is about us. 

Notes4.lose track of失去联系 (教材P38) 用track相关短语补全句子