Unit 4 Information Technology Lesson 1 Avatars （ppt课件）-2022新北师大版（2019）《高中英语》必修第二册.pptx

1、UNIT 4UNIT 4INFORMATION TECHNOLOGYINFORMATION TECHNOLOGYPeriod TwoLesson 1课前自主预习课前自主预习1imagen._2fancyadj._3trickvt._4identityn._5varietyn._图像；形象花哨的；别致的欺骗，诱骗，哄骗身份；特征多样化，变化6instantadj._7sexn._8sensibleadj._9creativityn._10blogn._vt._即时的；立刻的，马上的性别朴素实用的；明智的，合理的创造力；独创性博客；网络日志；发表博客11_ adv.显而易见地，明显地12_ vi.

2、做实验，进行试验 n实验13_ adv.现今，现时14_ n发型，发式15_ n供选择的同类物品；选择obviouslyexperimentnowadayshairstyleselection16_ v打；打字n类型；种类17_ n担忧，忧虑vt.与有关；使担心18_ adj.虚拟的；模拟的19_ vt.欺骗；欺诈20_ vt.看，把视为typeconcernvirtualcheatview1a variety of_2instead of_ 3more than one_4have fun_ 5experiment with_6move around_ 7look forward to_各种

3、各样的而不是不止一个玩得开心用做实验四处走动盼望8即时通讯_9的重要一部分_10表达自己_11有能力做某事_12一点也不_13以更加积极的眼光_instant messengera key part of express oneselfhave the power to do sth.notat allin a more positive light 1._ creating their own avatars,they discovered that(when引导时间状语从句)人们开始创设自己的虚拟形象时，他们发现2.Some users worry that they are spendi

4、ng _ in vital worlds _ they are becoming afraid of (sothat引导结果状语从句)一些用户担心他们在虚拟世界中花费太多时间，以至于开始害怕When people startedso much time that 3.The use of several avatars can also be a risk,_ avatars to cheat others online.(as引导原因状语从句)使用多个虚拟形象也可能会带来风险，因为有人可能会在网上使用虚拟形象来欺骗他人。as people can use阅读理解()1.Where did t

5、he first avatar appear?AIn web chats.BIn online shopping.CIn roleplay computer games.DIn blogs.()2.Why do people want to have multiple avatars?ATo wear more fancy clothes.BTo be someone of opposite sex.CTo be called by a different name.DTo be seen by different people.()3.Which of the following state

6、ments is NOT true?AAvatars have nothing to do with your own personality.BA picture of cute cat as an avatar says“I like relaxing and having fun”CPeople tend to choose a betterlooking avatar.DAvatar sometimes says about what people want to be.()4.Which of the following best explains“avatars are every

7、where”？AAvatars are used in real world.BAvatars are used by everyone.CAvatars have a wide variety and uses.DAvatars can do everything.()5.What is one of the concerns about avatars?AAvatars are of wide uses.BAvatars could be used to cheat others online.CPeople create their own avatars.DPeople have mu

8、ltiple avatars.【答案】1.C2.D3.A4.C5.B判断正误()1.The first 2D avatars appeared in roleplaying computer games in the 1980s.()2.People only can create identities that are similar to their real life.()3.Internet users can use only one avatar.()4.People tend to make their avatars look better than they do in re

9、al life.()5.The use of several avatars can also cause risks.【答案】1.T2.F3.F4.T5.T匹配段落大意()1.Paras.12AAvatars say a lot of yourpersonality.()2.Para.3BAvatars are everywhere.()3.Para.4CAvatars give people lotsof room for creativity.()4.Para.5DThe introduction to avatars.()5.Para.6 EAvatars cause a lot of

10、 trouble.【答案】1.D2.C3.A4.B5.E课堂新知讲练课堂新知讲练1variety n多样化，变化(P9)Yet,very few people knew that future avatars would have such a wide variety of forms and uses.【翻译】然而，很少有人知道未来的虚拟化身会有如此广泛的形式和用途。variety n多样化，变化(1)a variety of/varieties of各种各样的the variety of 的种类【用法详解】(2)vary vt.&vi.使不同，变化vary from不同于vary fro

11、mto 从到不等vary in 在某方面不同vary with随变化而变化(3)various adj.各种各样的Gestures vary slightly from country to country.不同国家的手势略有不同。The author gave various reasons for having written the book.作者给出了写这本书的各种理由。You can use a variety of different foods to help you make a face.你可以用许多不同的食品来帮你做脸谱。Generally speaking，prices

12、of fruit and vegetables vary with the season.一般来说，水果和蔬菜的价格，通常随季节而变化。【针对练习】完成句子(1)Life is always _ _ _.生活总是富于变化。(2)Strong bones depend on _ _ _ diet and lifestyle factors.强健的骨骼依赖于多种饮食和生活方式因素。(3)The research team is made up of the pupils,whose ages _ _ 10 _ 15.这个研究小组是由年龄从十岁到十五岁不等的学生组成的。(4)_ _ _ people

13、 on the site was astonishing.这个网站上的人的多样化让人吃惊。(5)He planted _ _ flowers in the garden.Every day he watered them with the water from his well.他在花园里种植各种各样的花，每天都用自己的井水来浇灌它们。(6)I think there will be some embarrassing data and it _ _ _ country to country.我认为将来会出现一些尴尬的数据，而这将会根据每个国家而不同。【答案】(1)full of variet

14、y(2)a variety of(3)vary from;to(4)The variety of(5)varieties of(6)will vary from2sensible adj.朴素实用的；明智的，合理的Paraphrase:reasonable,practical,and showing good judgment(P9)When Internet users realised that their avatars would be seen by many people,not just their friends,they started having more than on

15、e avatar:a sensible one for work【翻译】当互联网用户意识到他们的头像会被很多人看到，而不仅仅是他们的朋友时，他们开始拥有多个头像：一个适合工作的头像(1)sensible adj.朴素实用的；明智的，合理的be sensible of 察觉；意识到；了解(2)sense n感觉；常识；意义 vt.感觉到；了解see sense 明白事理make sense 有意义；有道理；讲得通；符合情理make sense of 弄懂的意思common sense 常识【用法详解】Our senses are very important in our daily lives

16、.我们的感觉在日常生活中非常重要。The driver sensed danger and stopped the train.司机意识到危险，停下了火车。Your story doesnt make sense to me.你的故事我听不明白。Can you make sense of what he said just now?你能听懂他刚才说的话吗？I hope she soon sees sense and stops fighting a battle she cannot win.我希望她能很快明白过来，别再打这场不能获胜的仗了。【针对练习】单句语法填空(1)In this dic

17、tionary the different _(sense)of a word are marked by numbers.(2)It is _(sense)to save money while you can.完成句子(3)She probably _ _ I wasnt telling her the whole story.她很可能觉察到我没有告诉她全部真相。(4)He looks about him,_ _.他环顾四周，觉察到了危险。【答案】(1)senses(2)sensible(3)sensed that(4)sensing danger3selection n供选择的同类物品；

18、选择(P9)In most web chats,people choose an avatar from a selection of readymade images,or create their own images.【翻译】在大多数网络聊天中，人们从一组现成的图片中选择一个头像，或者创建自己的头像。(1)selection n供选择的同类物品；选择(2)select vt.选择selectfrom 从中选择selectfor 为挑选selectas 选当【用法详解】He selected a pair of socks to match his suit.他挑了一双袜子来配他的衣服。W

19、e select him as our football coach.我们选他作为我们的足球教练。You can select your favourite book from these.你可以从这些书中选一本你最喜爱的。We first select poems that we love,and then read them aloud.首先选我们喜欢的诗，然后就大声地朗读它们。【易混辨析】select/chooseselect指经过仔细考虑或使用各种衡量手段，从许多同类东西中认真地进行选择choose是普通用语，指用自己的判断能力选择【针对练习】选词填空：select,choose(1)

20、Im thinking of _ some short stories for your outside reading.(2)In _ friends,we should take great care.介词填空(3)We have over 30 beautiful designs to select _.(4)Who do you want to select _ your director?【答案】(1)selecting(2)choosing(3)from(4)as4concern n担忧，忧虑 vt.使担心；与有关(P9)The use of avatars has also ca

21、used a few concerns.【翻译】虚拟化身的使用也引起了一些关注。【用法详解】Im concerned for her safety.他挂念着她的安全。He didnt concern himself with the details.他对细节不感兴趣。It concerns me that you no longer seem to care.你似乎不再在乎，这让我担忧。King Henry was a poet who showed great concern for languages.亨利七世国王是一位诗人，非常关心语言。【针对练习】单句语法填空This novel wa

22、s concerned _ the Second World War,while most teenagers are more concerned _ the heros love story.【答案】with；for/about5view v看，把视为Paraphrase:to look at something;to think about something or someone in a particular way(P9)However,other users view avatars in a more positive light.【翻译】然而，其他用户则以更积极的角度看待虚拟

23、形象。(1)view v看，把视为be viewed as被视为(2)view 还可用作名词，意为：景色；观点；视野in ones view在某人看来in view of sth.鉴于；考虑到come into view进入视野【用法详解】In her view,it is easy to learn English.在她看来，英语很容易学。In view of the weather we will cancel the outing.考虑到天气的因素，我们要取消远足。Take a night train to Fenghuang Town to view a traditional way

24、 of life.乘坐夜班火车去凤凰城观看传统的生活方式。【针对练习】完成句子(1)_ _ _(依我的观点)，the country needs a change of government.(2)Suddenly,the temple _ _ _(映入眼帘)(3)We always try out best to meet your requirements _ _ _ our long relations.鉴于我们长期的贸易关系，我们总是尽力满足你们的要求。(4)_ _ _ our relationship,we would offer you a discount of 5%.考虑到双方

25、的关系，我们愿给予5%的折扣。【答案】(1)In my view(2)came into view(3)in view of(4)In view of6look forward to 期盼；盼望(P9)They look forward to a time when their avatars will act like a real person and travel around bigger,more exciting virtual worlds.【翻译】他们期待着有一天，他们的虚拟化身会像一个真实的人一样，在更大、更令人兴奋的虚拟世界中旅行。look forward to期盼；盼望p

26、ut forward 推荐；将某事提前；提出某事供讨论look out当心；注意look through浏览look up and down上下打量look down upon瞧不起【用法详解】We are all looking forward to our holiday.我们都盼望着假期。The teacher is putting forward some suggestions for the plan.老师正在为这项计划提出一些建议。【针对练习】完成句子(1)I am _ _ _ _ your improvement.我盼望看到你们的进步。(2)_ _!There is a big

27、 stone.当心！那里有一块大石头。【答案】(1)looking forward to seeing(2)Look out7agree with 同意(P10)Do you agree with the writer?【翻译】你同意作者的观点吗？(1)agree with同意(2)disagree with sb.on/about sth.在某事上与某人意见不同sth.disagree with sb.(气候、食物等)使某人身体不适disagree with sth./doing sth.反对；不赞成【用法详解】I wholly agree with you.我完全同意你的话。While I

28、 understand your viewpoint，I dont agree with you.虽然我明白你的见解，但我还是不能同意。I disagree with violent protests.我反对暴力抗议。What he said disagreed with what he did.他言行不一。【针对练习】完成句子(1)I cant _ _ you more.我非常同意你的观点。(2)Seafood always _ _ me.我吃海鲜总是感到不舒服。【答案】(1)agree with(2)disagrees with8.prevent v阻止Paraphrase:to stop

29、 something from happening,or stop someone from doing something(P10)What can you do to prevent such risks?【翻译】你能做些什么来预防这种风险？prevent v阻止preventfrom doing sth.阻止做某事；不让做某事stopfrom doing sth.阻止做某事同义短语还有：keepfrom doing sth.阻止做某事【用法详解】The man has a disease,which prevents him from speaking.这个人得了一种病，使得他不能讲话了

30、。Her sudden arrival prevented/stopped/kept him from going out.她的突然到来使他不能外出了。【针对练习】单句语法填空(1)Who prevents their plans from _(carry)out?(2)You should wear masks to prevent novel coronavirus _ affecting your body.【答案】(1)being carried(2)from1(P9)When people started creating their own avatars,they discove

31、red that they were going to have the power to create new identities that did not look or act like their real selves at all.【翻译】人们开始创设自己的虚拟形象时，他们发现，他们将有能力创设行为或动作根本不像他们自己的崭新形象。【考点提炼】该句子中When people started creating their own avatars为when引导的时间状语从句。值得一提的是，这是一个复合句。主句的主谓结构分别为they和 discovered，第一个that引导的是宾语

32、从句，而在这个宾语从句中，又包含一个由that 引导的定语从句that did not look or act like their real selves at all，修饰名词短语new identities。【归纳拓展】when引导时间状语从句时，从句的动作可与主句的动作同时发生，也可先于主句的动作发生。当表示两个动作同时发生时，when可与as,while互换。while引导时间状语从句时，从句谓语动词用延续性动词，表示主句的动作在从句的动作过程中发生。as引导时间状语从句时，强调从句的动作与主句的动作同时发生，可译为“时”；“一边一边，随着”。Things were differen

33、t when I was a child.我小时候情况与现在不同。I went swimming while the others played tennis.我去游泳，其余的人都打网球去了。He dropped the glass as he stood up.他站起来时，把杯子摔了。【温馨提示】如果主句用一般将来时，时间状语从句通常用一般现在时表示将来，即遵循“主将从现”原则。【针对练习】选词填空(while;as;when，每词限用一次)(1)_ I lived there,I used to go to the seashore on Sundays.(2)Please dont ta

34、lk so loud _ others are working.(3)_ time goes on,its getting warmer and warmer.【答案】(1)When(2)while(3)As2(P9)Some users worry that they are spending so much time in virtual worlds that they are becoming afraid of【翻译】一些用户担心它们在虚拟世界中花费太多时间，以至于开始害怕【考点提炼】该句子中sothat表示“如此以至于”，引导结果状语从句。【归纳拓展】【巧学助记】so/suchth

35、at句型中so与such的选用规则如下：名前such，形副so；多多少少(many/much/few/little)也用so；little一词特殊记，“小”用such，“少”用so。【针对练习】完成句子(1)There was _ _ _ to do that everybody got bored.有这么多的事要做以至于人人都感到厌烦了。(2)They are _ _ _ _ we all love them.这些孩子如此好，我们都很喜欢他们。【答案】(1)so much work(2)such good children that课文读练专训课文读练专训一、表格填写AvatarsDetai

36、lsDefinationA digital image that represents 1._.History1980sThe first simple 2D avatars 2._ in roleplaying computer games.Late 1990sused in web 3._ like instant message.AvatarsDetailsPurposes of using avatarsTo expressoneselfLet you 4._ and they give you lots of room for creativity.To representonese

37、lfThey experiment with things like different hairstyleswhich says a lot，perhaps,about what they want to 5._.ViewsNegativeBecoming afraid of 6._ people in the real world.PositiveOthers view avatars in a 7._ light.【答案】1.an Internet user2.appeared3.chats4express yourself5.look like6.meeting7more positi

38、ve二、课文语法填空Avatars are digital identities 1._(use)online for communication and selfexpression.Avatars leave room for 2._(create)People can create avatars that dont look or act 3._ their real selves at all,even with the opposite sex.4._(communicate)with different people online,multiple avatars can be

39、employed.Avatars also reflect part of real personalities and tend to be betterlooking 5._ those in real life.In online world,avatars can conduct activities like people in real world.Avatars have a wide 6._(vary)of forms and uses,7._(arise)some concerns along with positive expectation.Some worry abou

40、t being 8._(isolate)from other people in real world,another worry is the risk 9._ using avatars to cheat others.Oppositely,others look forward to an 10._(extend)application of avatars.【答案】1.used2.creativity3.like4To communicate5.than6.variety7.arising8isolated9.of10.extended三、写作根据课文内容，写一篇有关Avatars 8

41、0词左右的报道。_One possible version：Avatars are digital identities used online for communication and selfexpression.Avatars allow creativity.People can create avatars that are nothing like real selves，even with the opposite sex.Avatars also reflect part of real personalities and tend to be betterlooking t

42、han those in real life.The wide variety of forms and uses of avatars arose some concerns along with positive expectation.They look formard to a time when their avatar will act like a real person and travel around bigger,more exciting virtual worlds.突突 破破 语语 法法5I didnt know how to do it.What would be

43、 their ideas?6Were they going to finish the work before the next day?7They were not going to go hiking unless they finished their homework.【我的领悟】这些句子中都包含would _，was/were going _ 结构，表示从过去的某一时间来看 _ 的动作。Keys:动词原形；动词原形；将要发生二、构成would/should动词原形was/were going to动词原形The time was not faroff when he would re

44、gret his decision.不久后他就会后悔做出这个决定了。I didnt expect that you would have any objection to it.我没料到你们会持反对意见。三、用法1表示从过去的某个时间看将要发生的事，常用于间接引语(或宾语从句)中He told me that he would take an important exam next week.他告诉我他下周将参加一场重要的考试。I wondered when we should leave for Beijing.我想要知道我们什么时候动身去北京。2表示非真实的动作或状态I wish you

45、would never give away the secret.我希望你永远不要泄露这个秘密。If it should rain tomorrow，we would put off the sports meeting.如果明天下雨的话，我们将推迟运动会。四、过去将来时的其他构成和用法1was/were going to表示过去将要发生的动作He said he was going to buy a new bike.他说过他打算买辆新的自行车。2was/were to do 指按过去的计划、安排将在某个过去将来时间发生的动作或存在的状态，如果表示过去将来的计划或安排后来被取消了，没有实现，

46、则用was/were to have done形式。She told me she was to plant some trees in the yard.她告诉过我她要在院子里种一些树。He was to have left at 7：00 am.the following day，but it suddenly snowed heavily.他原本想在第二天早上7点离开的，但是那天却突降暴雪。3was/were about to do表示即将要发生的动作，不和表示时间的任何状语连用。The bus was about to start.公共汽车要开了。I was about to go o

47、ut when the telephone rang.我刚要出去，这时电话响了。4was/were doing仅用于某些表示位置转移的动词或词组，如：come，go，arrive，take off，meet，leave等。这种结构表示按计划或安排将要发生的事。I didnt know when they were coming again.我不知道他们什么时候再来。He said he was leaving tomorrow.他说他明天将会离开。4He promised that he _(join)us in the party，but he hasnt turned up until n

48、ow.5 What about going shopping tomorrow afternoon?Sorry.I _(take)a yoga class then.6Our car _(go)at the present speed until it reaches Qingdao at about nine oclock tonight.7He was sixtyeight.In two years he _(be)seventy.8Mother promised that she _(take)me to Beijing the next year.【答案】1would 2.were l

49、eaving/would leave3would be held4.would join5.will be taking6will be going7.would be8.would take二、单句改错1I didnt expect that so many people offer their help._2Have you completed the project?Im sorry to tell you that we gave it up when we found how much it cost._3I was told that the press conference wo

50、uld to be held the next day._4We are about to go there when it began to rain._5She hoped that they will meet again someday._6He said he was meet his friend at the station at 4 pm._7I had just put on my overcoat and left to visit a friend of mine._8He expected it would very hot,dry and dusty there._【