资源简介 (共72张PPT)UNIT 4 INFORMATION TECHNOLOGYSection B LESSON 2 & LESSON 3目 录 索 引Part 1 Reading comprehensionPart 2 Language pointsPart 3 GrammarPart 1 Reading comprehension第一步 速读课文 理清脉络Activity 1 What’s the main idea of two passages A.Different views on the influence of the Internet on friendships.B.Disadvantages of the Internet for friendships.C.Advantages of the Internet for friendships.D.How to build a closer friendship.√Activity 2 Read the first blog post “The Internet Harms Friendships”. Write down the general idea and the topic sentence for each argument.1.General idea: . 2.Argument One: . 3.Argument Two: . 4.Argument Three: . While the Internet can bring people closer together, it can also harm friendshipsTalking online is no replacement for face-to-face contactThe Internet can make people self-centredOnline relationships may not be what they appear to be第二步 精读课文 领悟细节Activity 3 阅读教材课文,选择正确答案。1.What enable(s) people to develop lifelong friendships A.Social skills.B.Direct contact.C.Online communication.D.Face-to-face communication.2.Which of the following do both Robert and Cathy agree A.The Internet helps friendships.B.The Internet harms friendships.C.The Internet brings people closer.D.The Internet makes communication more interesting.√√3.Which of the following can be used to describe online communication according to Cathy ①fun ②brief ③creative ④limiting ⑤interesting ⑥traditional ⑦convenientA.①⑤⑥⑦ B.①④⑥⑦C.①②⑤⑥ D.①③⑤⑦√Activity 4 思考分享 提升思维1.Whose opinions do you prefer, Robert or Cathy And why The answer is open.2.Do you have friends on the Internet How did you meet each other The answer is open.Activity 5 诵读佳句 学练写作Read the passage carefully and find the topic sentences in“The Internet Helps Friendships”.(1)The Internet makes communication much more convenient.(2)The Internet has also made communication more fun.(3)Online communication can actually bring people closer to each other.第三步 深读课文 融会提能Activity 6 根据教材课文,完成表格。The Internet Harms FriendshipsGeneral idea The Internet can bring people closer together,but it can also1. friendships. Three 2. Firstly,talking online is no replacement for face-to-face contact—images really cannot 3. a real-life smile or hug.Secondly,the Internet can make people 4. —not thinking of anyone or anything but themselves.5. ,lots of the content posted on social media is shallow or trivial.Thirdly,online 6. may not be what they appear to be. harmargumentsreplaceself-centredIn additionrelationshipsThe Internet Harms FriendshipsThe writer’s view Face-to-face communication is the best way to7. healthy relationships. maintainActivity 7 长难句分析 动名词短语作主语1.According to a parenting expert,Denise Daniels,communicating through a screen makes it more difficult for children to concentrate or show kindness to others.形式宾语 不定式短语作真正宾语 据育儿专家丹尼斯·丹尼尔斯的说法,通过屏幕交流会使儿童更难集中注意力或对他人表示善意。2.For example,instead of having proper conversations with their friends,some people are only concerned with their online popularity—How many “likes” did I get How many followers do I have —though we know that the number of “likes” or followers cannot compare to having long-term and rewarding friendships.引导让步状语从句 that引导宾语从句例如,一些人不再和朋友好好地交谈了,他们只关心自己网上的人气——我得了多少个“赞” 多少人关注了我 ——尽管我们知道“赞”或关注者的数量无法与拥有长期而有益的友谊相比。Part 2 Language points重点单词基础落实 必备知识全过关必记写作词汇1. n.住处 2. vi.订阅,订购3. adj.最新的;最近的4. n.账户5. n.材料;素材6. vt.按7. n.按钮8. n.恩惠;善意的行为accommodation subscribe latest account material press button favour 9. vt.确认;证实10. vi.& vt.递送;传送11. n.错误;失误12. vt.& n.伤害,损害13. n.论点;论据14. vt.取代;接替15. n.& vt.拥抱;紧抱16. vi.专注,专心;集中注意力17. adj.关切的,关心的18. adj.有益的;有意义的19. n.增添;添加confirmdeliver error harm argument replacehug concentrate concerned rewardingaddition 20. n.内容21. n.基础;基点22. n.百分比;百分数23. n.意见;看法;主张24. vi.& vt.集中(注意力) n.焦点25. adj.局限的,限制性的26. adj.简洁的,简明的27. adj.创造性的content basis percent opinion focus limiting briefcreative识记阅读词汇28.software n. 29.device n. 30.gender n. 31.goods n. 32.shallow adj. 33.trivial adj. 34.maintain vt. 35.smartphone n. 36.tablet n. 37.emoji n. 38.thought-provoking adj. 39.authority n. 计算机软件 设置,装置 性别 商品 肤浅的,浅薄的 没有什么价值的;微不足道的 保持;维持 智能手机 平板电脑;药片;碑,牌 表情符号 发人深省的,令人深思的 权威人士;专家串记拓展词汇40. adj.效能高的;强有力的;强壮的→ n.权力;能力 41. n.现实;真实→ adj.真实的 42. vt.确保,保证→ adj.确定的 powerfulpower realityreal ensuresure【掌握构词规律 快速记牢单词】前缀en-加在某些形容词或名词前,构成动词。例如:en-+able→enable v.使能够en-+sure→ensure v.确保,保证en-+large→enlarge v.扩大en-+rich→enrich v.使富有,丰富en-+courage→encourage v.鼓励en-+danger→endanger v.使遭受危险;危及重点短语1.mobile device 2.face-to-face contact 3.a parenting expert 4.online popularity 5.compare to 6.not necessarily 7.maintain healthy relationships 8.stay in touch 移动设备 面对面交流 育儿专家 网络人气 与……相比 未必 保持健康的关系 保持联系9. 订阅;赞同;捐款 10. 支持11. 帮某人一个忙12. 关心……13. 除此之外14. 关注subscribe to in favour of do sb a favour be concerned with in addition focus on基础词汇——语境记忆要点探究 能力素养全提升1.concerned adj.关切的,关心的【佳句背诵】We’re concerned about your spiritual welfare.[关心他人]我们担心你的心理健康。2.shallow adj.肤浅的,浅薄的【佳句背诵】His work has been criticized for being imitative and shallow.[人物评价]他的作品被批评为抄袭而且肤浅。高频词汇——讲练互动1.subscribe vi.订阅;订购;同意,赞成;捐款(1)subscribe to订阅;捐款;同意,赞成(2)subscriber n.订阅者;用户;捐助者subscription n.订阅(费)【佳句背诵】I’ve personally never subscribed to the view that either sex is superior to the other.[观点看法]我个人从未赞同过一种性别比另一种性别优越的观点。【即学即练】单句语法填空/单句写作(1)He subscribed our plan to arrange an activity to strengthen our team spirit. (2)人们赞同孩子们应该多读书这一观点。People that children should read more.(3)图书馆订了哪些报刊 Which journals does the library (4)很多人向红十字会捐款。A lot of people have the Red Cross. tosubscribe to the viewsubscribe tosubscribed to2.latest adj.最新的late adj.迟到;晚的later adv.之后;后来latter adj.后期的;后者的 n.后者lately adv.最近【佳句背诵】These are the latest unemployment figures.[观点事实]这是最新的失业数字。【即学即练】选词填空/单句写作latter;late;later;latest;lately(1)They reached their destination two hours . (2)She married in life. (3)Here are Tom and David;the is my brother. (4)Attention,please!I’ll tell the news about the high-speed train. (5)Has anything interesting happened (6)One can travel there by ship or plane.Most people chose the . (7)最近你注意到什么变化没有 Have you observed laterlatelatterlatestlatelylatterany changes lately3.ensure v.保证,确保ensure=make sureensure sth确保某事物ensure success/safety确保成功/安全ensure sb sth确保某人某事物ensure that...确保……【佳句背诵】I cannot ensure that he will come on time.[观点看法]我不能保证他会准时来。【即学即练】单句语法填空/同义句转换/单句写作(1)His wife (ensure) that he took all the pills every day. (2)Father ensures that all the lights are off before he goes to bed.→Father that all the lights are off before he goes to bed.(3)已经采取所有必要的措施来确保他们的安全。All the necessary measures have been taken to . ensuredmakes sureensure their safety4.press v.按;逼迫,催促,督促;压,榨 n.媒体(1)press sb to do sth催促某人做某事(2)pressure n.压力impress vt.打动;留下印象impression n.印象express v.表达expression n.表达;表情;词语【佳句背诵】Nowadays many young people are under great pressure and often stay up.[社会生活]如今很多年轻人压力很大,常常熬夜。【即学即练】单句语法填空/单句写作(1)He changed his mind under the (press) from others. (2) (press) by his parents,the boy is determined to stop playing video games. (3)按这个按钮来开门。 to open the door. (4)她榨橘子来做橘子汁。She to make orange juice. (5)他们催促我们快速做出决定。They are a quick decision. (6)会议谢绝媒体采访。 was not allowed to attend the meeting. pressurePressedPress the buttonpresses orangespressing us to makeThe press5.favour n.恩惠;善意的行为;支持 v.偏爱do sb a favour帮某人一个忙ask sb a favour=ask a favour of sb请某人帮忙return the favour还人情in favour of支持,赞同in one’s favour对某人有利【佳句背诵】The weather is in our favour at the moment.[观点看法]目前天气情况对我们有利。【即学即练】单句语法填空/单句写作(1)Could you do me favour and take these books to the classroom (2)今天你能帮我个忙并去学校接萨姆吗 Could you and pick up Sam from school today (3)我能请你帮个忙吗 Can I of you (4)多谢你帮助我。总有一天我会还你这个人情的。Thanks for helping me out.I’ll some day.(5)我姐姐反对我的建议而我的哥哥支持。My sister was against my suggestion while my brother was it.ado me a favourask a favourreturn the favourin favour of6.confirm v.确认;证实It has been confirmed that...已经证实……【佳句背诵】It has been confirmed that water is important to the development of life.[观点事实]已经证实,水对于生命的发展十分重要。【即学即练】单句语法填空/单句写作(1)You’d better call the airline (confirm) your flight reservation a week before you set off for Ottawa. (2)已经证实是司机的疏忽导致了那场可怕的事故。 it was the driver’s carelessness that resulted in the terrible accident. (3)这份报告会证实我的话。The report will . (4)你能确认一下我们见面的时间吗 Can you when we will meet to confirmIt has been confirmed thatconfirm my wordsconfirm the time7.deliver v.递送;传送;发表演讲;接生(1)deliver sth to sb把某物交给某人deliver a lecture/speech发表演讲deliver a baby接生婴儿(2)delivery n.送货;送信;交付【佳句背诵】He delivered a large package of books to his younger sister.[人物介绍]他给妹妹运送了一大包书。【即学即练】单句语法填空/翻译句子(1)We have milk (deliver) every day. (2) (deliver) is free if you book in advance. (3)Leaflets have been delivered every house. (4)We were told the pizza would (deliver) in 20 minutes.(5)Is the pizza for pickup or delivery deliveredDeliverytobe delivered比萨是自取还是送货上门 8.harm v.伤害 n.损害;伤害(1)do harm to sb/sth=do sb/sth harm对某人/物有害(2)harmful adj.有害的harmless adj.无害的be harmful/harmless to对……有害/无害【佳句背诵】Reading in the sun is harmful to your eyes.[观点看法]在阳光下看书对你的眼睛有害。【即学即练】单句语法填空/同义句转换(1)Reading in bed will often do harm our eyes. (2)Air pollution is (harm) to our health. (3)Staying up constantly can harm your health.→Staying up constantly can your health. toharmfuldo harm to/be harmful to9.argument n.论点;论据;争吵,争辩(1)have an argument with sb和某人争吵heated argument激烈的争论win/lose an argument说得过/说不过(2)argue v.争论;争吵;争辩argue with sb about/over sth与某人就某事进行争论argue for/against sth支持/反对某事【佳句背诵】I find it hard to argue with him about the topic.[观点看法]我发现很难跟他争论这个话题。【即学即练】单句语法填空/单句写作(1)His (argue) was that public spending must be reduced. (2)He argued smoking because he thought that it was (harm) to health. (3)They were having an argument the waiter about the bill. (4)这是反对吸烟的有利证据。This is against smoking. (5)经过一番激烈的争论,最终做出了决定。After some ,a decision was finally made. argumentagainstharmfulwitha powerful argumentheated arguments10.replace v.取代;接替;放回原处(1)replace...with/by...用……替换……be replaced with/by被……取代(2)replacement n.替换;替代品;替代人【佳句背诵】We’ve replaced the old adding machine with/by a computer. [科学技术]我们用电脑取代了老式的加法计算器。【即学即练】单句语法填空/单句写作(1)It is still under discussion whether the old bus station should (replace) with a modern hotel or not. (2)They have replaced physical labour robots.(3)As Jack is ill,we have to get a (replace) for him.(4)课堂上电脑永远不会取代老师。Teachers will never computers in the classroom. be replacedwith/byreplacementbe replaced with/by11.concentrate v.专注,专心;集中注意力(1)concentrate on集中精力于concentrate one’s attention/efforts/thoughts on 将某人的注意力/努力/思绪集中于(2)concentration n.专心;专注;注意力with (great) concentration聚精会神地【佳句背诵】A driver should concentrate on the road when driving.[观点看法]开车时驾驶员的注意力要集中在路上。【即学即练】单句语法填空/单句写作(1)You need a lot of (concentrate) to solve the problem. (2)He sat there,with his attention (concentrate) on the blackboard.(3)I decided to concentrate all my efforts on (find) somewhere to live.(4)You should concentrate passing these exams.Then you can have a good rest. (5)The silence can increase your ability (concentrate). (6)以前我上课总是昏昏欲睡,没办法集中精力学习。I used to feel sleepy in class and couldn’t . concentrationconcentratedfindingonto concentrateconcentrate on studying12.rewarding adj.有益的;有意义的reward vt.& n.奖励;奖赏reward sb with sth for (doing) sth因为(做)某事用某物奖励某人in reward for/as a reward for作为对……的回报【佳句背诵】You deserve a reward for being so helpful.[感谢信]你帮了这么大的忙,应该得到奖赏。【即学即练】单句语法填空/单句写作(1)We offer him a challenging and (reward) career. (2)The students have been working hard on their lessons and their efforts will (reward) with success in the end. (3)The boss decided to reward him his positive attitude towards work. (4)They rewarded the boy a cake finding the lost dog.(5)He gave the children some chocolate a reward for their good behaviour. (6)作为对他勇敢的回报,他获得了一枚奖章。He received a medal / his bravery.rewardingbe rewardedforwithforasin reward foras a reward for13.in addition除此之外(1)in addition 可用于句首、句中或句末,用于句首或句中时,通常用逗号与句子的其他部分隔开。(2)in addition to“除……之外(还)”,是短语介词,后接名词、代词或动词的-ing形式。【佳句背诵】In addition to swimming,she likes playing the guitar.[人物介绍]除了游泳,她还喜欢弹吉他。【即学即练】短语填空:in addition,in addition to/同义句转换(1)I can post the letter for you. ,doing some walking does me good. (2) the names on the list,there are six other people. (3) the school,the village has a clinic,which was also built with government support. (4)Besides working as a doctor,he also writes novels in his spare time.→ working as a doctor,he also writes novels in his spare time. (5)I don’t really want to go.Besides,it’s too late now.→I don’t really want to go. ,it’s too late now. In additionIn addition toIn addition toIn addition toIn addition14.content n.内容;目录;所装物品;所容纳之物 adj.满意的be content with 对……满意【佳句背诵】Don’t be content with such small success.[观点看法]不要满足于这样小的成功。【即学即练】一词多义/同义句转换(1)It is my habit to read the contents of a book first. (2)He doesn’t want more;he is content with what he has. (3)Fire has caused serious damage to the contents of the building. (4)The content of the course depends on what the students would like to learn. (5)He is quite content with the result.→He is quite (satisfy) with the result. 目录满意的所装物品;所容纳之物内容satisfied15.focus v.给予某物关注 n.焦点(1)focus one’s attention/thoughts/minds/eyes on...集中注意力/思想/精力/目光于……the focus of attention关注的焦点(2)focused adj.注意力集中的;专注的(3)近义词:concentrate【佳句背诵】His strange behaviour made him the focus of attention.[人物介绍]他奇怪的行为使他成了关注的焦点。【即学即练】单句语法填空/单句写作(1)The old man stood there,with his eyes (focus) on the picture. (2)You’d better stay (focus) in class. (3)The discussion focuses three main problems. (4)请把你的注意力集中在下面的问题上。Please the following problem.(5)当前,他是关注的焦点。At present,he is attention. focusedfocusedonfocus your attention onthe focus of16.limiting adj.局限的,限制性的(1)limited adj.有限的limitless adj.无限的(2)limit n.& vt.限制a time limit 时间限制an age limit 年龄限制the speed limit 限速a limit to ……的限度set limits on 对……进行限制limit...to... 将……限制在……范围内【佳句背诵】A lack of formal education will limit your job opportunities.[观点看法]缺少正规教育会限制你就业的机会。【即学即练】单句语法填空/单句写作(1)Hurry up!Our time is (limit). (2)My husband and I were excited about shopping for our new home.But our money was (limit). (3)We have only three tickets available for the movie.So I have to limit the number of the children three—just three. (4)他对自己吸烟进行了限制,他限制自己每天只吸一支烟。He set limits his smoking,and he limited himself only one cigarette one day. limitedlimitedtoonto(5)许多人往往认为我们的自然资源是无限的,而事实上是有限的。Many people tend to think that our natural resources are ,but in fact they are . (6)地震之后,他们分享有限的食物。They shared the after the earthquake. (7)我们能忍受的疼痛是有限度的。There is the amount of pain we can bear. limitlesslimitedlimited fooda limit to多义词汇——自主练透Ⅰ.一词多义maintainA.vt.维持;保持 B.vt.维修;保养 C.v.坚持(意见);固执己见 D.vt.供养;抚养①The house is large and difficult to maintain. ②He has maintained that the money was donated for international purposes. ③Her income was barely enough to maintain one child, let alone three. ④The two countries have always maintained close relations. BCDAⅡ.教材熟词生义press项目 意义 例句熟义 v. Lily pressed the switch and plunged the room into darkness.生义 v. I don’t want to press you,but shouldn’t you be leaving v. Look at your folded shirt.You need to press it with an iron.n. The majority of the press support the government’s foreign policy.按;压一再劝说;敦促,催促熨烫报界;新闻界;记者们重点句式——多维剖析1.it作形式宾语【教材原句】According to a parenting expert,Denise Daniels,communicating through a screen makes it more difficult for children to concentrate or show kindness to others.据育儿专家丹尼斯·丹尼尔斯说,通过屏幕交流会使儿童更难集中注意力或对他人表示善意。分析句子结构可知,本句的主语是communicating through a screen,makes是谓语动词,more difficult是宾语补足语,it是形式宾语,真正的宾语是后面的不定式to concentrate or show kindness to others。构成“v.(make/find/think/consider)+ it + adj./n.+for sb to do sth”这一句型。【佳句背诵】The dusty air makes it difficult for us to get a clear picture of space.[宇宙探索]布满灰尘的空气使得我们难以获得太空的清晰图像。【即学即练】单句语法填空/翻译句子(1)I find necessary to learn English well. (2)Don’t you think it stupid (miss) such a good opportunity (3)What he said made it difficult him to find any help from others.(4)科学和技术的发展使得太空旅行成为可能。itto missforThe development of science and technology has made it possible to travel in space.2.强调句【教材原句】It is these skills that enable us to develop lifelong friendships.正是这些技能使我们能够发展终生的友谊。(1)强调句通常强调主语、宾语、状语,可以强调单个词、短语或从句。it本身没有实义。(2)在强调句结构中,如果把It is/was和that/who去掉,句子成分依然完整,有时需要调整一下语序。(3)强调句中be动词的形式只有两种:is和was。(4)被强调部分指人,连词可用that或who,其他情况只能用that。(5)若被强调部分为主语,that或who之后动词的人称和数与被强调的主语一致。(6)not...until结构用于强调句中的结构为It is/was not until...that...“直到……才……”。【佳句背诵】It was in this town that he was brought up.[个人经历]他是在这个小镇被养大的。【即学即练】单句语法填空/单句写作(1) is imagination that makes the world colourful. (2)John’s success has nothing to do with good luck.It is years of hard work has made him what he is today. (3)It was not until I came here I realized this place was famous for not only its beauty but also its weather. (4)巴赫死于1750年,但直到19世纪早期他的音乐天赋才被承认。Bach died in 1750,but the early 19th century his musical gift was fully recognized. (5)是文化而非语言使他难以适应新环境。 , made it hard for him to get used to the new environment. Itthatthatit was not untilthatIt was the culturerather than the language that3.no matter where引导让步状语从句【教材原句】You can stay in touch with friends no matter where you are or what you are doing.你可以和朋友保持联系,不管你在哪里或你在做什么。no matter where...和no matter what...引导让步状语从句,可以变为wherever和whatever。具有类似用法的词有whoever “无论是谁”;whichever“无论哪一个”;however “无论如何”; whenever “无论何时”。【佳句背诵】You should keep calm no matter what/whatever happens.[观点看法]无论发生什么事情,你都应该保持镇静。【即学即练】选词填空/单句写作where,who,what,which,when,how(1)No matter she does,her efforts to lose weight always end in failure. (2)No matter hard he tried,he couldn’t open the door. (3)You can call me no matter you are free. (4)No matter one you choose,you will be satisfied. (5)No matter you go,I will go with you. whathowwhenwhichwhere(6)无论你是谁,你都应该遵守交通规则。 ,you should follow the traffic rules. (7)不管我什么时候有麻烦,他总是来帮助我。 I am in trouble,he always comes to help me. (8)不管他的生活有多艰难,他都不会放弃。 his life is,he will not give up. No matter who you areNo matter whenNo matter how difficult/hardPart 3 Grammar语法冲关 语言规则全理清复合词英语中很多单词是通过合成的方式构成的,它们叫作复合词。常见复合词有复合名词、复合动词、复合形容词等几种类型。一、复合名词1.名词+名词:football,classroom,newspaper,friendship,website,sunglasses2.名词+动词:snowfall,rainfall,waterfall3.名词+动词-ing:horse-riding4.名词+介词+名词:daughter-in-law5.动词-ing+名词:waiting room,swimming pool,washing machine,dining room, writing desk,sleeping pill6.形容词+名词:greenhouse,blackboard,highway,long-jump7.副词+名词:income,outcome8.介词+名词:afternoon9.过去分词+副词:grown-up二、复合形容词1.形容词+名词-ed:cold-blooded,warm-hearted,kind-hearted,short-sighted,old-fashioned,narrow-minded2.形容词+动词-ing:good-looking,easy-going,long-lasting3.副词+动词-ing:hard-working,well-meaning,far-reaching4.名词+动词-ing:English-speaking,peace-loving,heartbreaking5.名词+动词-ed:man-made,state-owned,heart-felt,heartbroken,water-cooled6.副词+动词-ed:well-known7.形容词+动词-ed:ready-made8.名词+形容词:self-satisfied,duty-free,world-famous,self-centred9.介词+名词:indoor,outdoor10.数词+名词:first-class三、复合动词1.名词+动词:babysit,sleepwalk2.形容词+动词:ill-treat3.副词+动词:oversleep,overwork,overdo【即学即练】翻译下列复合词(1)air-conditioner (2)daybreak (3)armchair (4)最后期限 (5)地下的,地面下的 (6)脾气不好的 空调 黎明;破晓 扶手椅deadlineunderground bad-tempered本 课 结 束 展开更多...... 收起↑ 资源预览