Unit 4 Information Technology（复习课件）英语北师大版2019必修第二册

Unit 4 Infomation Technology复习课件 高一·英语 北师大版2019必修第二册 学习内容导览 单元知识图谱 2 学习目标 1 3 重点单词 单元语法 6 重点句型 5 7 主题写作 4 重点短语 8 课堂巩固 学习目标 1. learn about how IT improve people’s life, impact personal relationship and promote social development; 2. analyze the text structure of an argumentative essay, including the use of conjunctions and the connection between topic sentences and supporting arguments; 3.learn to use the past future and compound words to express meanings. 4. write a personal profile; 单元知识图谱 单词 词性 意思 self-focused adj. 以自我为中心的；关注自我的 cyber adj. 与网络有关的 avatar n. (网络上代表个人的)头像，虚拟替身，图标 fancy adj. 花哨的；别致的 2D(2-dimensional) adj. 二维的 trivial adj. 没有什么价值的；微不足道的 emoji n. 表情符号 thought-provoking adj. 发人深省的，令人深思的 profile n. 人物简介；传略 wristband n. 腕带 重点单词·会认 重点单词·能背 单词 词性 意思 connect vt. （使）连接，（使）相通；把...联系起来 transform vt. 使改变形态；使改变外观（或性质） access vt. 进入；存取(尤指电脑数据) n. 接触的机会；接近；通路 update vt. 更新；使现代化；向...提供最新消息 n. 最新报道，最新消息；更新；新版，新型 download vt. 下载 register vt. 登记，注册；发表意见，提出主张 n. 登记表 confirm vt. 确认；证实 重点单词·用准 1. enable vt.使可能；使发生；→ adj.有能力的；（某方面）擅长的→ n.能力；才能 2. convenience n．方便，便利→ adj.方便的，便利的 → _____________adj.不方便的；麻烦的 3. addicted adj.对……着迷的；沉迷的→________ n．对……入迷的人；瘾君子→___________ adj.(药物等)使人上瘾的；使人入迷的 4. admit vi.&vt.承认→___________ n．承认，招认；(机构、组织等的)准许加入；入场费，门票费 5. variety n．多样化，变化→______ vi.变化；(大小、形状等)相异，不同→_________ adj.各种各样的，各种不同的 able ability convenient addict addictive admission various vary inconvenient 重点单词·用准 6. create vt.创造 →__________ n．创造力；独创性→__________ adj.创造性的→_________ n．创造者，创作者→__________ n．创造，产物 7.concentrate vi.专注，专心；集中注意力→______________ adj.集中的；全神贯注的；浓缩的→_______________ n．集中；专心；浓度 8. concern n．担忧，忧虑 vt.与……有关；使担心→___________ adj.关切的，关心的；焦急的，担忧的→____________ prep.关于；涉及 9. access n．接触的机会；接近；通路vt.进入；存取(尤指电脑数据) →___________ adj．易懂的；易得到的;平易近人的 creativity creative concentrated concerned concerning accessible concentration creator creation 重点单词详解 1. enable vt.使可能，使发生 派生词：①able adj.有能力的；(某方面)擅长的　 ②ability n．能力；才能 巧归纳 (1)enable sb to do sth 使某人能做某事 (2)be able to do sth 能够做某事，有能 力做某事 (3)have an ability to do sth 有做某事的能力 重点单词详解 2. effect n．效应；影响 派生词：effective adj.有效的 巧归纳 (1)have an effect on/upon... 对……有影响 (2)bring/put...into effect 使生效；实行，实施 (3)come into effect 生效，开始实施 (4)in effect 有效；在实施中；实际上　 重点单词详解 3. trick vt.欺骗，诱骗，哄骗 n.把戏，诡计；技巧；恶作剧 派生词：tricky adj.难对付的；狡猾的，诡计多端的 巧归纳 (1)trick sb into doing sth 用计谋引诱某人做某事，哄骗某人做某事 trick sb out of sth 骗走某人某物，诈骗某人某物 (2)play a trick/tricks on sb 捉弄某人，对某人恶作剧 do the trick 奏效　　 重点单词详解 4. favour n．恩惠；善意的行为 派生词：①favourite adj.最喜爱的n.最喜爱的人或物　 ②favourable adj.赞成的；有利的；给人好印象的 巧归纳 (1)ask sb a favour＝ask a favour of sb 请某人帮忙 do sb a favour＝give sb a hand 帮某人忙 (2)in favour of 同意；支持；赞成 in one's favour 有利于某人；对……有利　 重点单词详解 5. harm vt.&n.伤害，损害 派生词：①harmful adj.有害的，导致损害的　 ②harmless adj.无害的；无恶意的 巧归纳 (1)do...harm/do harm to… 对……有害 There is no harm in doing sth 做某事无害处；不妨做某事 (2)be harmful to… 对……有害处　 重点单词详解 6. argument n．论点；论据 派生词：argue vi.争吵，争辩，争论vt.说 理，论证 巧归纳 (1)It is beyond argument that… 无可争辩的是……，毋庸置疑…… (2)argue with sb about/over sth 与某人争论某事 argue for… 支持……，赞同…… argue against… 反驳……；否认……　 重点单词详解 7. content n．内容 vt.使满意，使满足 adj.满意的，满足的 派生词：contented adj.(常用于名词前) 满意的；满足的 巧归纳 (1)to one's heart's content 尽情地，心满意足地 (2)content oneself with sth 满足于……；对……感到满意 (3)be content with sth 对某事满意/满足 be content to do sth 满足于做某事；乐意做某事　 重点单词详解 8. deliver vi.&vt.递送；传送 派生词：delivery n．传送，递送；分娩；演讲方式；表演风格 巧归纳 (1)deliver…to… 把……递送给…… (2)deliver v. 接生；分娩，生(小孩儿) deliver a baby 接生婴儿 be delivered of a baby 分娩，生孩子 (3)deliver a letter/message/news/lecture/speech 投递信件/传递消息/播送新闻/做讲座/发表讲话 重点短语 1. be addicted to 沉迷于 2. a variety of 各种各样的 3. look forward to 期待，期盼 4. set up 建立，创建 5. instead of 代替；而不是 6. be concerned with 关心…… 7. in addition 除此之外 8. focus on 关注 9. point out 指出 10. in the field of 在……领域 11. more or less 或多或少；大概 12. on the basis of 在……的基础上 13. stay in touch with 和……保持联系 14. be/become obsessed with 痴迷于…… 重点句型 1.Some users worry that they are spending so much time in virtual worlds that they are becoming afraid of meeting people in the real world.（教材p8） （so...that...“如此……以至于……”，此处引导结果状语从句） 一些用户担心他们在虚拟世界中花费了太多时间，以至于开始害怕在现实世界中与人见面。 仿写:每天坚持写学习日记是如此重要，所以我想把这种学习方法介绍给你们. Keeping a learning diary every day is __________________________________________． so important that I would like to introduce it to you 重点句型 2.while引导让步状语从句 While the Internet can bring people closer together，it can also harm friendships.（教材p8） 虽然互联网可以让人们更亲近，但它也会损害友谊。 （while引导让步状语从句） 仿写:尽管我愿意帮忙，但是我没有多少时间。 _______________________ I do not have much time. While I am willing to help, 3. It is these skilss 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。 （It is/was...that/who...强调句型） 仿写:那个小女孩就是在这条大街上失踪的。 ________________________ the little girl was missing. It was in the street that Past future 过去将来时 单元语法 概念：“过去将来时” 指的是以过去时间为基点将要发生的情况。比如，“I will go tomorrow. 我明天去。” 这个“明天”属于将来；如果说“I said that I would go the next day. 我说过第二天会去的。”这个“第二天” ，就是属于过去将来。 基本结构： 主语 + was/were going to + 动词原形 I was going to tell him, but he didn’t give me a chance. 我想要告诉他这些事的，但他没给我机会。 主语 + would + 动词原形 He said that he wouldn’t finish his work this afternoon. 他说他今天下午完成不了工作。 主语 + was/were + 现在分词 We were seeing each other later that day, but I had to phone and cancel. 我们本打算那天晚些时候见面的，但我打电话取消了。 主语 + was/were （about）+ 动词不定式 He said they were to leave at six. 他说他们将于6点出发。 单元语法 比较was/were going to be/do”和“would be/do”结构 was/were going to be/do would be/do 表示过去计划、安排要做的事 表示说话人根据当时的迹象推断将发生的事 表示过去的计划或打算，但因外界干扰而中断 多用于非正式场合或口语中 表示过去将来要发生的事 表示意愿或承诺要做的事 表示过去某个时期常见的情况或习惯性的动作 除用于口语外，多用于正式场合或书面语中 单元语法 Exercise Key: 1 was going to do 2 will be 3 √ 4 would have shown 5 √ 6 is about to start 7 √ 8 was supposed; was about to ask 9 √ 10 is to be used 11 √ 12 would 合成构词法 合成动词 overcome 克服 sleep-walk梦游 oversleep睡过头 overload超载 合成名词 homework家庭作业 playground操场 blackboard黑板 spaceship宇宙飞船 合成形容词 hardworking努力的 good-looking好看的 kind-hearted好心的 man-made人造的 合成副词 sometimes有时 upstairs在楼上 maybe也许 forever永远 合成构词法：把两个或者两个以上的词合在一起而构成的一个新词。合成词的词义通常从词面可以看出。合成词的主要方式有以下几种： 单元语法 主题写作 本单元的写作任务是写一篇个人简介。个人简介就是对个人的姓名、年龄、经历、特长、爱好及其他情况所做的简明扼要的书面介绍。 英语写作中的个人简介主要有两种。一种是单纯的自我介绍， 目的是为了告知对方一些个人信息；另一种个人简介是作为应用文写作的一部分，通过对个人的介绍来达到某种明确特定的目的，如申请某份工作，加入某个活动等，通常包括应聘信、申请信或个人介绍等，并且以第二种考查居多。对这种文章的写作需从以下几点入手： 1.介绍个人基本情况，主要包括姓名、年龄、爱好等； 2.陈述个人优势(知识面、语言水平、特长爱好等)； 3.提出写信目的，表达期望。 写作指导 What information should be included in a personal profile? Personal Profile name age hobbies personalities education publications achievements … skills 主题写作 主题写作 审题定调 确定主题内容 确定人称/时态 核定表达 A personal profile 假定你是李华，你校英语协会招聘志愿者，接待来访的国外中学生。请你写信应聘，内容包括： 1.口语能力；2.相关经验；3.应聘目的。 注意： 1.词数80左右； 2.可以适当增加细节，以使行文连贯。 典例展示 主题写作 范文赏读 Dear Sir/Madam， I’ve learned that the English Association of our school is now in need of some volunteers to receive foreign students visiting our school.I’m writing to apply to be one of them，thinking that I’m well qualified for the job. 典例展示 主题写作 For one thing，I have developed fluency in spoken English.I have no difficulty communicating with foreigners.What’s more，I have accumulated related experience by working part-time in a travel agency，accompanying some foreign tourists.And I treasure this as a good chance to broaden my perspective as well as improve my spoken English. Looking forward to your reply at your convenience. Yours， Li Hua 典例展示 主题写作 Ⅰ.单词拼写 1．The number of readers of all ages enjoying digital books continues to grow，and many new readers __________ (下载) e-books every day. 2．During the National Day，local and short trips to red tourism sites are the choices of about 32 _________ (百分比) of tourists. 3．Any advertisement for baby dairy products，drinks or food claiming that it can _________ (取代) breast milk is prohibited. 4．If I had the chance，I would _____ (拥抱) her warmly and tell her: “You are doing great.Thank you for working so hard.” 5．In any unsafe situation，simply press the ________ (按钮) and a highly-trained agent will get you the help you need. download percent replace hug button 课堂巩固 Ⅰ.单词拼写(每空1分，共10分) 课堂巩固 6．As soon as we arrived on the island，we were eager to _________ (探险) the beautiful place on our own. 7．As trains become faster and more intelligent，their __________ (计算机软件) and hardware systems will become more complex. 8．We look forward to helping you create a memorable and ___________ (有益的) event experience. 9．My parents helped me open a bank ________ (账户) when I got my first job. 10．The researchers conducted an ____________ (实验) to study the impact of social media on mental health. explore software rewarding account experiment Ⅱ.单句语法填空 1．If you are interested，please send an application email at your earliest ____________ (convenient). 2._________ (effect) measures have been taken to ensure the stable economic growth in the fourth quarter. 3．Bank customers can access their checking accounts ___________ (instant) through the electronic system. 4．The new law，which is designed to protect people's _________ (private)，will come into force on January 1st. 5．The job is tiring but ___________ (reward) because I can help many people in need. convenience Effective instantly privacy rewarding 课堂巩固 6．The gap between the ___________ (imagine) life and the real world can bring feelings of depression，shame，and problems with attention. 7．I know that if I start watching a soap opera I immediately become hopelessly __________ (addict) to it. 8．It's _________ (amaze) that a few individuals can make such an enormous difference. 9．We should develop the advanced socialist culture，and promote the ______ (create) transformation and development of the fine traditional Chinese culture. 10．While I have only listed two of each，there are _________ (obvious) many other situations that can arise. imaginary addicted amazing creative obviously 课堂巩固 Ⅲ、写作拓展(完成句子) 1. 根据育儿专家丹尼斯·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。(it 作形式宾语) According to a parenting expert, Denise Daniels, communicating through a screen __________________________________________ or show kindness to others. 2. 无论你在哪里或正在做什么，你都可以与朋友保持联系。(no matter＋疑问词) You can stay in touch with friends ______________________ or what you are doing. 3. 了解不同文化是很有趣的。(it作形式主语) _____________________ about different cultures. 课堂巩固 makes it more difficult for children to concentrate no matter where you are It is interesting to learn 谢谢观看 北师大版2019必修第二册 THANKS $$