牛津译林版 (2019)必修 第三册Unit 3 The world onlineIntegrated skills教学演示课件ppt

这是一份牛津译林版 (2019)必修 第三册Unit 3 The world onlineIntegrated skills教学演示课件ppt，共22页。PPT课件主要包含了Lead in，Listening，Tips，function，num，percentage，mid-1989，about 48%，Summary，Line chart等内容，欢迎下载使用。
If yu’re interested in cmputing r infrmatin technlgy, will yu want t study them in university?
Intrductin f cmputer and Internet at the very beginning
Mr Tan, an IT teacher, is giving a brief intrductin t the Internet. Listen and finish the exercises belw.
What might yu listen frm the intrductin?
Definitin f Internet?Specific histry stries?Inventrs?Hw t use?Develpment in the future?…
Listen t the talk and answer the fllw questins.
What des Mr Tan mainly talk abut in his intrductin t the Internet?Hw many cmputers were cnnected in the beginning?What did scientists arund the wrld riginally use the Internet as?What did Tim Berners-Lee teach thers t d?
Step 1: highlight the key wrds fr lcating answers.
Step 2: predict answers.
Tpic (beginning/ending/repeating wrds f the talk)
Small number
One f functins f Internet
Step 3: listen t recrding (questin rder)
The histry and develpment f the Internet
Fur cmpanies
A space f share infrmatin
T build their wn websites
Listen t the talk again and cmplete the timeline belw.
Speakers try t use the shrtest way pssible, e.g. 1979 (nineteen seventy-nine), 2003 (tw thusand and three)We add mid- befre a certain year, e.g. mid-2008We als use expressins like the early/late 1980s
Time sequence
the early 1950s
pass messages
The wrld’s first website
mre than 1 billin
Nw, let’s watch a vide t fulfill sme details and review the histry f cmputer and Internet.
Reading charts
Mr Tan als shws the students sme charts abut Internet use.
Where can yu see charts?
Magazine/bks
Presentatin
Bar charts are ften used t shw smething changes ver time r t cmpare different things.
Step 1: the tpic and subjects
Step 2: index
Step 3: cmpare which clumn is higher, which are the highest
Pie charts are ften used t shw percentages.
Step 3: which prtin is bigger
Line charts are ften used t trends.
Step 3: ups, dwns, summit, lwest pints…
Accrding t the first chart, which use f the Internet has increased the mst during the last five years?
View the charts belw and answer the questins.
What change can yu see frm the tw pie charts?
69% (using mbile devises)
95% (using mbile devises)
In the last chart, what change d yu ntice in the Internet users abve 59?
An increasing number f peple abve 59 use the Internet nw.
Why d peple like using charts t illustrate data?
ClearEasy t understandVivid dataFewer wrds…
When we make a chart, what kinds f thing are imprtant?
Reliable data
Cmplete index
Frm the histry f Internet and charts, what cnclusin can we have?
Find ut charts n materials, and share them t the class. Tell the advantages f thse charts.