Unit3 The world online Integrated skills ppt课件（含音频素材） -（2020版）新牛津译林版高中英语必修第三册.zip

Questions to lead-in1.Do you often use the Internet?How about your parents?2.In which way do you usually access the Internet,using a mobile device or other devices?3.What do you often do on the Internet?Listen to the talk and answer the questions1.What does Mr Tan mainly talk about in his introduction to the Internet?The history and development of the Internet.2.How many computers were connected in the beginning?Four computers.3.What did scientists around the world originally use the Internet as?A space to share information.4.What did Tim Berners-Lee teach others to do?To build their own websites.A1Listen to the talk againIn(1)_The first general-purpose computers came onto the market.In 1969Computers allowed people to(2)_ along a network.In(3)_Public commercial use of the Internet began.In 1990(4)_ was built.In(5)_There were(6)_ websites online.In 2016There were(7)_ people using the Internet (8)_ of the worlds population the early 1950spass messagesmid-1989The worlds first website2014more than 1 billion3.6 billionabout 48 per centThe chartsbar chartflow chartpie chartPart B1.According to the first chart,which use of the Internet has increased the most during the last five years?Travel booking.2.What change can you see from the two pie charts?More and more people have been going online using mobile devices.3.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.Useful ExpressionsAs can be seen/conveyed/illustrated/reflected from the bar/pie chart,There is/has been a rise/an increase/a drop of/a decrease of per cent.The number has risen/increased/dropped/decreased from to The figure has gone up/gone down/fallen by per cent.times as many people went online using mobile devices.the figure/number/percentage remains/stays the same/unchanged.has remained/stayed the same/unchanged.CWritingChart 1As can be seen/conveyed/illustrated/reflected from the bar chart,over the past five years,the number of people using the Internet for news/search engines/instant messaging/shopping/payment/travel booking has risen/increased from 65%to 82%,from 92%to 98%,from 80%to 90%,from about 39%to 61%,from about 31%to 61%,from about 8%to 40%respectively.WritingChart 2 As can be reflected from the pie charts,over the past five years,the number of users who access the Internet using mobile devices have risen/increased from 69%to 95%,while the percentage of users who access the Internet without using mobile devices has dropped/decreased from 31%to 5%.WritingChart 3 As can be conveyed from the chart,over the past five years,the number of Internet users has been increasing in most age groups,but the 20-39 age group has decreased by about 10%.Homework课课练第62页的书面表达