《Information Technology》SectionⅠPPT第一部分内容：主题语境——人与社会之科学与技术【语境概说】 本单元的主题语境为人与社会中的科学与技术，该主题语境主要包括科技发展与信息技术创新、科学精神、信息安全等。本单元主要涉及科技发展与信息技术创新、信息安全。通过本单元的学习，学生将对科技发展和信息技术创新有新的认知；同时在语言能力、文化意识、思维品质和学习能力等方面得到融合发展。Information technology is the first productive force in the 21st century.信息技术是21世纪的第一生产力。Information is the carrier for mankind to inherit civilization and grasp the future.信息是人类传承文明，把握未来的载体。The development of high-tech is both a blessing and a curse.高科技的发展确实是一柄双刃剑。Science is endless；it is an eternal mystery. 科学是永无止境的，它是一个永恒之谜。... ... ...Information Technology PPT，第二部分内容：听说一体突破ListeningⅠ.Pre-listening—Translate the following words and phrases.1．explore vt.　________________2．convenience n. ________________3．order vt. ________________4．download vt. ________________5．recommendation n. ________________6．update vt. ________________7．personality n. ________________8．video chat with sb ________________9．enable sb to do sth ________________10．communicate with sb ________________While-listening1．Finish Ex.2 on Page 6.2．Finish Ex.4 on Page 7.Post-listening—Listen to Activity 2 again and fill in the blanks.W：I love ①____________ new technologies, because they are so convenient.You know, I use apps to buy things online and I usually receive them the same day!M：Wow，that’s really ②____________．W：Indeed！I know one that can even help you get what you order within two hours!M：What is it？I’d like to try that, too.W：Sure，③____________．Besides shopping online, I also like ④____________ online.It makes me feel less lonely.Technology really enables people to communicate better with each other.M：That’s true！But are there any disadvantages about these new technologies?W：Well，too much chatting online takes a lot of time.We really need time to⑤____________ what we are doing.... ... ...Information Technology PPT，第三部分内容：语言知识积累关于网上购物的常用口语1．Do you often shop online?你经常网上购物吗？2．Sometimes I surf online shops to check out what they have and then go to a physical store to do the actual shopping.有时候，我会逛逛网店，看看店里有什么，然后到实体店去买。3．Can the quality of goods online be guaranteed?网上商品的质量能有保证吗？4．Prices are often relatively lower online.通常，网上的价格相对比较低。5．Even though I shop online, I don’t think it’s the best way to shop.虽然我在网上购物，但我认为这并不是最好的购物途径。6．You can apply for a refund if you are not satisfied with the goods bought online.如果你对网上买的东西不满意，可以申请退款。7．There’s still a long way to go before online shopping to be well recognized by the general public.网上购物要得到人们的认可，还有很长的路要走。... ... ...Information Technology PPT，第四部分内容：文化知识习得地球村地球村，是说地球虽然很大，但是随着广播、电视、互联网和其它电子媒介的出现，大家交流就像在一个小村子里面一样便利。“地球村”(global village)一词是加拿大传播学家M.麦克卢汉1967年在他的《理解媒介：人的延伸》一书中首次提出。麦克卢汉对现代传播媒介的分析深刻地改变了人们——特别是当代青年人，对20世纪以及21世纪生活的观念，他所预言的地球村在今天的社会已经变成了现实。在麦克卢汉看来，“地球村”的主要含义不是指发达的传媒使地球变小了，而是指人们的交往方式以及社会和文化形态发生了重大变化。地球村是互联网的发展；是信息网络时代的集中体现；是知识经济时代的一种形式；而现代交通工具的飞速发展，通信技术的更新换代，网络技术的全面运用使地球村得以形成。学习策略形成如何有效地进行听说训练1．听懂文章大意在听力过程中，不能只在意单词，要在意句子本身的意思，有些地方听不懂没关系，要了解整篇文章在说什么。2．积累语言知识整理每次听力材料中的新知识点、新单词，通过语境去记忆。3．训练听说能力听说能力可以从听写、精听、跟读和复述四个方面来训练。(1)听写：先总体听一遍材料，了解大意；然后听文章句子，写下来，倒回去再听；直到把它完全写出来。(2)精听：将听力材料一字一句地写下来，精确到标点符号。(3)跟读：先对照着文本，精听至少三遍；然后尝试以相同的节奏跟读听力材料，不断地跟读，理想情况下平均8遍之后可以跟上材料的语速。(4)复述：整段复述(保证段落长度的复述时间不超过1分钟)。4．不要害怕犯错误学习英语口语是在不断犯错误的过程中练习、进步的。因此练口语应该积极主动，克服害羞心理，利用一切机会讲英语。... ... ...Information Technology PPT，第五部分内容：language focus1.convenience n．方便，便利；便利的事物　convenient adj.方便的；便利的　inconvenience n. 不方便；不便　inconvenient adj.不方便的provide convenience(教材P6)提供便利[合作探究]　体会convenience及其派生词的用法和意义We hope to discuss business with you at your earliest convenience.我们希望尽早与你方洽谈业务。We have provided seats for the convenience of our customers.为方便顾客，我们备有座位。Will it be convenient for you to chat with me on the Internet tonight?你今晚和我网上聊天方便吗？[自主发现]　①____________ one’s convenience　在某人方便的时候②____________ one’s convenience (of)＝____________ the convenience of sb 为了某人的方便③It is ____________ for sb to do sth 某人方便做某事[词块积累]for convenience　为了方便起见convenience food/store 方便食品/便利店[巩固内化](1)单句语法填空①These gates are always open ____________ the convenience of visitors.②Any help from you will be greatly appreciated.Please give me a reply ____________ your convenience.③Will it be convenient ____________ you to start work tomorrow?(2)一句多译④方便的话，我们希望你能接受我们的邀请。We hope you will accept our invitation ____________________.(convenience)＝We hope you will accept our invitation ____________________________. (convenient)2. effect n．效应；影响；结果(教材P6)　effective adj.有效的[合作探究]　体会effect的用法和意义While online shopping has changed our life, not all of its effects have been positive.虽然网上购物已经改变了我们的生活，但它的影响并不全是积极的。The new traffic rule came into effect.Now, it is beginning to take effect.In effect，it has an effect on people’s life in many ways besides people’s focus on the road safety.新的交通法规开始实施了。现在它开始生效了。实际上，除了人们对道路安全的关注外，它还在很多方面影响着人们的生活。[自主发现]①come ____________ effect　生效，开始实施②____________ 生效，开始起作用③____________ effect 实际上，事实上④have a/an...effect ____________... 对……有……影响[词块积累]side effect　　副作用cause and effect　　因果[巩固内化]　单句语法填空①Should house property tax (房产税) come ____________ effect，China might witness a fall in house prices.②Optimism has a positive effect ____________ people’s physical and mental health, of which I’m very convinced.③He said he graduated from a famous university，but ____________ effect，he never went to college.④One of the most ____________ (effect) ways to reduce stress is to talk about your feelings with someone you trust.... ... ...关键词：北师大版高中英语必修二PPT课件免费下载，Information Technology PPT下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。