Unit 3 Integrated skills （ppt课件） (2)-2022新牛津译林版《高中英语》必修第三册.pptx

1、Unit 3 The world onlineIntegrated skills 第一课时If youre interested in computing or information technology,will you want to study them in university?If youre interested in computing or information technology,will you want to study them in university?Introduction of computer and Internet at the very beg

2、inningMr Tan,an IT teacher,is giving a brief introduction to the Internet.Listen and finish the exercises below.AWhat might you listen from the introduction?Definition of Internet?Specific history stories?Inventors?How to use?Development in the future?Listen to the talk and answer the follow questio

3、ns.A11.What does Mr Tan mainly talk about in his introduction to the Internet?2.How many computers were connected in the beginning?3.What did scientists around the world originally use the Internet as?4.What did Tim Berners-Lee teach others to do?Step 1:highlight the key words for locating answers.1

4、.What does Mr Tan mainly talk about in his introduction to the Internet?2.How many computers were connected in the beginning?3.What did scientists around the world originally use the Internet as?4.What did Tim Berners-Lee teach others to do?Step 2:predict answers.Topic(beginning/ending/repeating wor

5、ds of the talk)Small numberOne of functions of InternetOne of functions of Internet1.What does Mr Tan mainly talk about in his introduction to the Internet?2.How many computers were connected in the beginning?3.What did scientists around the world originally use the Internet as?4.What did Tim Berner

6、s-Lee teach others to do?Step 3:listen to recording(question order)The history and development of the InternetFour companiesA space of share informationTo build their own websitesTipsListen to the talk again and complete the timeline below.A2 Speakers try to use the shortest way possible,e.g.1979(ni

7、neteen seventy-nine),2003(two thousand and three)We add mid-before a certain year,e.g.mid-2008 We also use expressions like the early/late 1980sIn(1)_The first general-purpose computers came onto the marketIn 1969Computers allowed people to(2)_ along the net work.In(3)_Public commercial use of the I

8、nternet began.In 1990(4)_ was builtIn(5)_There were(6)_ websites online.In 2016There were(7)_ people using the Internet-(8)_ of the worlds population at the time.Time sequence functionn.num.num.percentagethe early 1950spass messagesmid-1989The worlds first website2014more than 1 billion3.6 billionab

9、out 48%Now,lets watch a video to fulfill some details and review the history of computer and Internet.Mr Tan also shows the students some charts about Internet use.BWhere can you see charts?Magazine/booksPresentation Bar charts are often used to show something changes over time or to compare differe

10、nt things.Line chartStep 1:the topic and subjectsStep 2:indexStep 3:compare which column is higher,which are the highestPie charts are often used to show percentages.Step 1:the topic and subjectsStep 2:indexStep 3:which portion is biggerLine charts are often used to trends.Step 1:the topic and subje

11、ctsStep 3:ups,downs,summit,lowest pointsStep 2:indexAccording to the first chart,which use of the Internet has increased the most during the last five years?View the charts below and answer the questions.BWhat change can you see from the two pie charts?69%(using mobile devises)95%(using mobile devis

12、es)In the last chart,what change do you notice in the Internet users above 59?An increasing number of people above 59 use the Internet now.Why do people like using charts to illustrate data?ClearEasy to understandVivid dataFewer wordsWhen we make a chart,what kinds of thing are important?Reliable dataProper typeComplete indexFrom the history of Internet and charts,what conclusion can we have?Find out charts on materials,and share them to the class.Tell the advantages of those charts.