《人教版高中英语必修2第三单元公开课课件(15页PPT)》由会员分享，可在线阅读，更多相关《人教版高中英语必修2第三单元公开课课件(15页PPT)（15页珍藏版）》请在金锄头文库上搜索。
1、Wang Wei第1页，共15页。Step1 Vocabulary presentationPre-reading第2页，共15页。abacus/bks/My grandpa plays the very well, but I can not play the abacus at all.abacus第3页，共15页。calculator/klkjlet/This is a CASIO electronic.calculator第4页，共15页。huge computerlaptopPC第5页，共15页。PDArobot/rbt /第6页，共15页。Whats next?to make th
2、ese intellectual machines have feelings第7页，共15页。Step2 PredictionTask1 Look at the pictures and the title of the reading passage. Predict what it is going to be about.第8页，共15页。Task2 Look at these inventions. Put them in order according to the time when they appeared. After reading the passage, check
3、to see if you were right.() analytical machine() laptop() calculating machine() robot() PC() universal machine214563第9页，共15页。Step1 Skim for the main ideaWhile-readingThe development of computers.第10页，共15页。Step2 Scan for detailsParagraph 1Paragraph 2Paragraph 3Topic sentenceOver time I have been chan
4、ged quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Supporting detailscalculating machineanalytical machineuniversal machinePCtubestransistorssmall chipscommunicationsfinancetraderobotsmobile phones Medical operationss
5、pace rocket第11页，共15页。Step3 Make a timeline1642:1822: The analytical machine was made by Charles Babbage.:1940s: : The first family of computers was connected to each other.1970s:Now: Calculating machine was made in France.Calculating machine was made in France.19361960Huge computers were made.Many n
6、ew applications have been found.It will be more and more advanced to provide humans with a life of high quality.第12页，共15页。 Brainstorm a list of things that you, your school and your family use computers for. Think abut what you would have to do if you could not use computers any more.Post-readingTask DiscussionQuestion: how computers have changed our lives?Tips第13页，共15页。Homework Finish Learning about language on page20.第14页，共15页。第15页，共15页。
