（2021新教材）牛津译林版必修第三册英语 unit3 Welcome to the unitppt课件.pptx

1、I hope we will use the Net to cross barriers and connect cultures. - Tim Berners-Lee In 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 advantag

2、es of the Internet; Learn some facts about the Internet. Discuss some questions about the Internet. Do you like surfing on the Internet? How does it change your life and study? I hope we will use the Net to cross barriers and connect cultures. -Tim Berners-Lee source data web network The Internet is

3、 the biggest source of information in the world and its accessible through a computer. When you are on the Internet, what do you usually do? search for information watch the news study on the internet shopping online chat on the Internet play internet games watch films and soap operas, etc. There ar

4、e many important milestones in the development of the Internet. Read the web page 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

5、 chose the sign to separate the username from the name of his machine. The first webcam 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

6、avoid wasted trips for coffee. Emojis, small digital images used to express ideas or feelings 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 s

7、elected , the Face with Tears of Joy emoji, as the Word of the Year 2015. Discuss the following questions in pairs. 1. Which of the above inventions do you use most frequently? Why? 2. What other facts do you know about the Internet? What is the Internet? 1. I hope we will use the Net to cross barri

8、ers and connect cultures. - Tim Berners-Lee 我希望我们能用互联网跨越障碍我希望我们能用互联网跨越障碍, 联结文化。联结文化。 蒂姆蒂姆 伯纳斯伯纳斯 李李 该句出自英国计算机科学家蒂姆该句出自英国计算机科学家蒂姆 伯纳斯伯纳斯 李。他是万维网李。他是万维网 (World Wide Web)的发明者。这句话体现了伯纳斯李对互联的发明者。这句话体现了伯纳斯李对互联 网的美好愿景。他希望互联网能发挥其互联互通的作用网的美好愿景。他希望互联网能发挥其互联互通的作用, 跨跨 越各种障碍越各种障碍, 成为不同文化的纽带成为不同文化的纽带, 带来信息交流的全新模式

9、。带来信息交流的全新模式。 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 1) 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。 2) (飞机飞机)起飞起飞 e.g. We eventually took off at 11 oclock. 我们终于在我们终于在11点点起飞起飞。 3) (突然突然)离开离开, 走开走开, 走掉走

10、掉 e.g. He took himself off to Mexico. 他他突然动身突然动身去了墨西哥。去了墨西哥。 4) 脱下脱下, 脱掉脱掉(衣物衣物) e.g. take off ones coat, hat, shoes, skirt, trousers, etc 脱大衣、帽、鞋、裙子、裤子等脱大衣、帽、鞋、裙子、裤子等 5) 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。 6) (为逗乐为逗乐)模仿，学模仿，学(别人的言谈举止别人的言谈举止

11、) e.g. Mike can take off his father to perfection. 迈克模仿爸爸时惟妙惟肖。迈克模仿爸爸时惟妙惟肖。 7) 撤销撤销, 取消取消(服务或娱乐服务或娱乐) e.g. The show was taken off because of poor audience figures. 该剧目因不卖座而停演了。该剧目因不卖座而停演了。 【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 10 minutes. ( ) 2) You have to ta

12、ke off your shoes before you go to the computer room. ( ) 4) I want to take next Friday off. ( ) 起飞起飞 脱下脱下 请假请假 【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；使收留；使上当；欺骗；领会；明白；上当；欺骗；领会；明白； 包容；容纳；包容；容纳； take out 拿出，去掉；扣除拿出，去掉；扣除 take on 承担，从事；呈现；承担，从事；呈现； 同同较量；接受较量；接受的挑战的挑战 take.for 把把误认为；把误认为；把看作看作 take up 开始从事；占据；着手处理；开始从事；占据；着手处理； 把把继续下去继续下去 Preview Reading part.