（2021新人教版）高中英语必修第二册Unit3 预习 新知早知道 同步教材讲解.doc

1、1 .匹配词义 ()1.blogAn.准则；指导原则 ()2.engineBn.博客 vi.写博客 ()3.streamCvt.流播(不用下载直接在互联网上 播放音视频)；流出 vi.流动 n小河； 溪流 ()4.identityDn.引擎；发动机；火车头 ()5.databaseEn.身份；个性 ()6.fileFn.偷(窃)；盗窃罪 ()7.guidelineGn.数据库；资料库 ()8.theftHn.文件；文件夹；档案 ()9.in shapeI牢记 ()10.keep(.)in mindJ状况良好 答案15BDCEG610HAFJI .默写单词 1chat vi.聊天；闲聊 2upd

2、ate vt.更新；向提供最新信息 n更新；最新消息 3charity n慈善；慈善机构(或组织) 4tough adj.艰难的；严厉的 5conference n会议；研讨会；正式会谈 6function n功能；作用；机能 vi.起作用；正常工作；运转 7press vt.按，压；敦促 8author n作者；作家 9tip n忠告；实用的提示 2 10case n盒；箱；情况；案件 .语境填空 account；upset；familiar；confirm；chat；comment；stream；exist；identity； function 1I do hope you can tak

3、e my suggestion into account 2Jerry did not regret giving the comments but felt that he could have expressed it differently. 3He was very upset that the valuable watch belonging to him was missing. 4Even the ablebodied may lose some of their body functions when they get older. 5Mom likes to use her

4、smartphone，streaming movies late into the night. 6Nowadays，more and more people like chatting on the Internet. 7The police asked him to show his identity card. 8Are you familiar with the computer software they use? 9It has been confirmed that they will leave their hometown for Canada. 10Strange idea

5、s existed in his mind. .语法填空之派生词 1Checking it on the official website is much more convenient(convenience). 2Eating more fruit and vegetables will be beneficial(benefit)to peoples health. 3The distance(distant)between fashion and art remains as great as ever. 4The magazine makes these ideas attracti

6、ve and accessible(access)to children. 5He gave a detailed description(describe)of what happened yesterday. 6Many poets and artists have drawn their inspiration(inspire)from nature. 7In the stillness of night the ringing of a distant(distance)bell could be heard. 8We should learn to protect our priva

7、cy(private). 9How can anyone enjoy the pressure(press)of city life? 10That was an embarrassing(embarrass)situation for me. 1At age 50，she found herself out of work and stuck at home with only her 3 computer to keep her company. 50 岁时，她发觉自己失业了，困在家里，只有电脑相伴。 2She believes that it is highly important to

8、 bridge the digital divide and make sure that everyone has access to the Internet and knows how to use new technology. 她认为， 消除数字鸿沟、 确保每人都能使用互联网并且知晓如何运用新技术， 是非常重要的。 3 Im not an expert， but many years as a blogger have taught me a thing or two. 我不是专家，但身为博主多年，我已学会了一两招。 4A troll is a person who posts co

9、mments or questions in order to stir up trouble online. 发挑衅帖的人是为了在网上挑起事端而发布评论或问题的人。 5Acyberbully uses the Internet to be mean to others. 网络恶霸使用互联网来欺负别人。 名师圈点 the World Wide Web abbr.WWW 万维网；环球信息网 countless adj.无数的 less 是否定后缀，表示“无的，不的” convenient adj.方便的；近便的 It is convenient (for sb.)to do sth.(某人)做某

10、事方便。 no longer(not.any longer)不再 no more(not.any more)不再 cash n现金；金钱 in cash 用现金，有现金 go shopping 购物 update vt.更新；向提供最新信息 n更新；最新消息 database n数据库；资料库 software n软件 network n (互联)网络； 网状系统； 人际网 vt.将连接成网络； 联播 vi. 建立工作关系 4 develop v患(病) develop a disease 患上一种疾病 quit ones job 辞职 out of work 失业 stuck adj.卡住；

11、陷(入)；困(于) get/be stuck in 陷入中，困在中 keep sb. company 陪伴某人 surf vt.& vi.浏览；冲浪 surf the Internet 网上冲浪，浏览因特网 benefit n益处 vt.使受益 vi.得益于 benefit by/from 从中受益 beneficial adj.有益的，有用的 remove vt.去除；移开 distance n距离 inspire vt.鼓舞；激励；启发思考 inspire sb. to do sth.激励某人做某事 21pay for 支付 2259yearold 59 岁的 59yearold 是合成形

12、容词，其中 year 不用复数形式。 23apply for 申请 apply to 向申请 24now that 既然；由于 now that 引导原因状语从句。 25take care of 照顾，照料 26together with 和一起，连同 27bridge vt.弥合(差距)，消除(分歧) bridge the divide/gap between Aand B)消除(A 和 B 之间的)分歧/隔阂 28make sure 确保；设法保证 29access n通道；(使用、查阅、接近或面见的)机会 vt.进入；使用；获取 5 have access to 有权使用；可以接近 30

13、charity n慈善；慈善机构(或组织) 31raise money 筹款 32go through 经历；度过；通读 33tough adj.艰难的；严厉的 a tough time/tough times 困难时期 34face a challenge 面临挑战 原文呈现 STRONGER TOGETHER：HOW WE HAVE BEEN CHANGED BYTHE INTERNET Much has been written1about the wonders of the World Wide Web .There are countless articles telling us

14、 how the Internet has made our lives more convenient 2.We no longer have to wait in line or carry cash around when we go shopping .We can get the most updated information from large databases .We can download software ，documents，and images whenever we need them3.But the Internethasdonemuchmoreforpeo

15、plethansimplymakelifemore convenient.Peoples lives have been changed4by online communities and social networks . 1has been written 是现在完成时的被动语态， 其构成为： have/has been done。 2 3whenever we need them是whenever引导的让步状语从句， 相当于no matter when we need them。 4have been changed 使用了现在完成时的被动语态，此处用 by 短语指出动 作 change

16、 的执行者是“online communities and social networks”。 Jan Tchamani， an English teacher in Birmingham， UK， suddenly developeda serious illness and had to quit her job.At age 50，she found herself out of work and stuckat home with only her computer to keep her company5.After a while， 6 she discovered that su

17、rfing the Internet6could help her feel less lonely and bored.She could listen to music， watch films， play games， and explore the world.She also joined an online group where she could talk about her problems and get support and advice from others7.She realised that one of the greatest benefits ofthe

18、Internet was its ability to remove the distance that usually exists between people8 5 6surfing the Internet 是动名词短语，在句中作主语。 7where she could talk about.是 where 引导的定语从句，修饰 an online group。 8 She was so inspiredby the people she met online that she decided to9start an IT club to teach older people how

19、to use computers and the Internet10.She and her friends now organise events and collect money to pay for 21 private teachers.Many people have been helped11by the club.A 59yearold 22 man learnt how to apply for 2312 work online and found a great job.Now that 24 he works and can take care of 25 himsel

20、f，his daughter has time to study at university.A 61yearold woman who was living alone13has started a small online company together with 26 two friends.She no longer feels lonely，and her company has become quite successful. 9so.that.(如此以至于)引导结果状语从句，其中 she met online 是定语从句，修饰 the people。 10how to use

21、computers and the Internet 是“疑问词不定式”结构作 teach 的宾语。 11have been helped 是现在完成时的被动语态，表示“已经被帮助”。 12how to apply for 是“疑问词不定式”结构在句中作 learnt 的宾语。 13who was living alone 是 who 引导的定语从句， 修饰 a 61yearold woman。 Jan has started taking online classes to learn more about how to use the Internet 7 to make society

22、better.She believes that it is highly important to bridge 2714 the digital divide and make sure 28 that everyone has access 29 to the Internet and knows how to use new technology.Her next goal is to start a charity 30 website to raise money 31 for children in poor countries15. 14It is important to d

23、o sth.表示“做某事是重要的”， it 是形式主语， 不定式 是真正的主语。 15to start a charity website.是不定式短语作表语。 其中， to raise money for. 是不定式短语，在句中作状语，表示 start 的目的。 Jans life has been greatly improved16by the Internet.“When you go through 32 tough 33 times，you meet others who are facing similar challenges 3417” ，Jan says. “Thinkin

24、g about other peoples situations18inspired me to offer help.” 16has been greatly improved 是现在完成时的被动语态。 17who are facing.是定语从句，修饰 others，who 在从句中作主语。 18Thinking about.是动名词短语，在句中作主语。 译文参考 一起变得更强大：互 联网如何改变了我们 关于万维网的奇迹已经写了很多。 有无数的文章告诉我们互联网如何使我们 的生活更方便。当我们去购物时，我们不再需要排队或随身携带现金。我们可以 从大数据库中获得最新的信息。我们可以随时下载软

25、件、文档和图像。但互联网 为人们做的远不止使生活更方便。在线社区和社交网络改变了人们的生活。 简夏曼尼是英国伯明翰的一名英语教师，她突然得了一场重病，不得不辞 掉工作。50 岁时，她发觉自己失业了，困在家里，只有电脑相伴。过了一段时 间，她发现上网可以帮助她感到不那么孤独和无聊。她可以听音乐、看电影、玩 游戏、探索世界。她还加入了一个在线群，在那里她可以谈论自己的问题，并从 其他人那里得到支持和建议。 她意识到互联网的最大好处之一就是能够消除通常 存在于人和人之间的距离感。 她受到网友的启发，决定成立一个 IT 俱乐部来教年长一些的人们使用电脑 和互联网。她和她的朋友们现在组织各种活动，为私人

26、教师筹集资金。许多人都 得到了俱乐部的帮助。一名 59 岁的男子学会了如何在网上申请工作，并找到了 8 一份好工作。现在他工作了，可以照顾自己了，他女儿有时间上大学了。一位 61 岁的独居女性和两个朋友一起创办了一家小型网络公司。她不再感到孤独， 她的公司做得相当成功。 简已经开始上在线课程，学习如何利用互联网使社会变得更好。她认为，消 除数字鸿沟、 确保每人都能使用互联网并且知晓如何运用新技术， 是非常重要的。 她的下一个目标是建立一个慈善网站，为贫困国家的儿童筹集资金。 互联网已极大地改善了简的生活。简说： “当你经历艰难时期时，你会遇到 其他面临类似挑战的人。考虑到别人的处境，我决定提供帮助。”