Unit 3 Welcome to the unit ppt课件- (2)-（2020版）新牛津译林版高中英语必修第三册.pptx

1、I hope we will use the Net to cross barriers and connect cultures.-Tim Berners-LeeIn this unit,you are going to:write a report on Internet use;read a blog post about living without a smartphone for a week;hold a debate about bringing mobile phones to school.read an article about the advantages of th

2、e Internet;To know the origin of the three milestones in the development of the Internet To share with peers their use of emails,webcams or emojis To discuss other facts about the Internet1.Do you have easy access to the Internet?If so,how do you often access it?In which way do you access the Intern

3、et,using a mobile device or other devices?2.What do you usually do on the Internet?3.What does the Internet mean to you?search for informationwatch the newsstudy on the Internetshopping onlinechat on the InternetThere are many important milestones in the development of the Internet.Read the web page

4、 below and discuss the following questions in pairs.The first email was sent in 1971 by Ray Tomlinson.It was a test message to himself.He wanted to see whether he could send a message from one computer to another.He chose the sign to separate the username from the name of his machine.The first webca

5、m was created by computer scientists at the University of Cambridge in 1991.What did it film?A coffee pot outside the office.These scientists used the webcam to see from their desks whether the pot was empty to avoid wasted trips for coffee.Emojis,small digital images used to express ideas or feelin

6、gs in electronic communication,were created in 1999 in Japan.The creator was inspired by Japanese comics,street signs and Chinese characters.Soon emojis took off throughout the world.Oxford Dictionaries selected ,the Face with Tears of Joy emoji,as the Word of the Year 2015.What examples of importan

7、t milestones in the development of the Internet are mentioned?The first email,webcam and emojis.Discuss the following questions in pairs.1.Which of the above inventions do you use most frequently?Why?I use emojis most frequently when I message my friends.They look cute,and are a quick and easy way t

8、o express how I am feeling.2.What other facts do you know about the Internet?The term“surfing the Internet”was first popularized in print by Jean Armour Polly,a librarian,in 1992.In 2010,Finland became the first country to make Internet access a legal right.1.I hope we will use the Net to cross barr

9、iers and connect cultures.-Tim Berners-Lee 我我希望我们能用互联网跨越障碍希望我们能用互联网跨越障碍,联结联结文化。文化。蒂姆蒂姆伯纳斯伯纳斯李李 该该句出自英国计算机科学家句出自英国计算机科学家蒂姆蒂姆伯纳斯伯纳斯李李。他是。他是万维网万维网 (World Wide Web)的发明者。这句话体现了伯纳斯李对的发明者。这句话体现了伯纳斯李对互联互联 网网的美好愿景。他希望互联网能发挥其互联互通的作用的美好愿景。他希望互联网能发挥其互联互通的作用,跨跨 越越各种障碍各种障碍,成为成为不同文化的纽带不同文化的纽带,带来带来信息交流的全新模式。信息交流的全新

10、模式。2.Soon emojis took off throughout the world.很快表情符号就很快表情符号就风靡风靡全球了全球了。take off:to become successful or popular very quickly or suddenly 突然大受欢迎突然大受欢迎,迅速流行迅速流行 e.g.The magazine took off after the interview.那次采访之后这本杂志那次采访之后这本杂志大受欢迎大受欢迎。【归纳归纳】take off还有以下意思：还有以下意思：1)(飞机飞机)起飞起飞 e.g.We eventually took o

11、ff at 11 oclock.我们终于在我们终于在11点点起飞起飞。2)脱下脱下,脱掉脱掉(衣物衣物)e.g.take off ones coat,hat,shoes,skirt,trousers,etc 脱脱大衣、帽、鞋、裙子、裤子大衣、帽、鞋、裙子、裤子等等3)休假休假;休息休息 e.g.I have decided to take a few days off work next week.我已决定下星期休息几天。我已决定下星期休息几天。【语境应用语境应用】写出下列各句中写出下列各句中take off的意思。的意思。1)The plane is going to take off in

12、 10 minutes.()2)You have to take off your shoes before you go to the computer room.()3)I want to take next Friday off.()4)In recent years,shopping online has taken off.()起飞起飞 脱下脱下 请假请假 迅速流行迅速流行【拓展拓展】take短语短语 take away 拿走；减去；解除拿走；减去；解除 take in 收留收留；使；使上当；欺骗上当；欺骗；领会；领会；明白明白 take out 带带(某人某人)出去；取出出去；取出 take on 承担承担，从事；，从事；呈现呈现 take up 开始开始从事；占据；着手处理从事；占据；着手处理；继续；继续 take part in 参加参加 take care of 照顾，照料照顾，照料 take place 发生发生 Write down your use of the emails,webcams or emojis.Preview Reading part.