unit3-computers.ppt实用教案

1、会计学1unit3-computers.ppt第一页，共25页。abacuscalculator第1页/共24页第二页，共25页。huge computer PCpersonal computer第2页/共24页第三页，共25页。laptopPDA Personal Digital Assistant第3页/共24页第四页，共25页。robot第4页/共24页第五页，共25页。abacuscalculatorhuge computerPClaptopPDArobot第5页/共24页第六页，共25页。第6页/共24页第七页，共25页。search for informationwatch mov

2、ies第7页/共24页第八页，共25页。listen to musicread books and magazines第8页/共24页第九页，共25页。buy things onlineplay games on the computer第9页/共24页第十页，共25页。 Who am I?第10页/共24页第十一页，共25页。第11页/共24页第十二页，共25页。Para I:Para II:Para III: Who am I?Over time I have been changed quite a lot.These changes only became possible as my

3、 memory improved.Since the 1970s many new applications have been found out for me.Skim the passage and find out the topic sentence in each paragraph. 第12页/共24页第十三页，共25页。第13页/共24页第十四页，共25页。Paragraph 1Paragraph 2Paragraph 3Topic sentenceOver time I have been changed quite a lot.These changes only beca

4、me possible as my memory improved.Since the 1970s many new applications have been found for me.Complete the chart below.第14页/共24页第十五页，共25页。Supporting details（find out some key words）Calculating machineAnalytical machine Universal machinePersonal computerlaptopTubesTransistorsChipsNetworkWorld Wide W

5、ebCommunicationsFinanceTradeRobotsMobile phonesMedical operationsSpace rocketsProviding a life of high qualityParagraph 1Paragraph 2Paragraph 3第15页/共24页第十六页，共25页。Time Machine ApplicationsIn 1642A _machine_difficult sumsAbout in _ An analytical machineThink_In 1936A _machineSolve any difficult proble

6、mBy the 1940sA larger machine_worried the designers_Personal computer/Laptop _calculatingSimplify1842logicallyuniversalRealitySince the 1970sUsed in offices and homes第16页/共24页第十七页，共25页。1. My shape didnt change even though my memory improved.2. The older I am, the larger I have become.3. Over time I

7、have large memory so that I will not forget anything I have been told.4. I was able to share my knowledge with others through the World Wide Web in the early 1960s.FFTTThe information was stored in tubes, then on transistors and later on the chips.As I have grown older I have also grown smaller.Read

8、 para 2 and then tell the statement true or false. 第17页/共24页第十八页，共25页。12What roles do computers play in the life of human beings?What are the new applications of the computer?Read Para 3 and then answer the following questions. 第18页/共24页第十九页，共25页。What are the new applications of the computer?communi

9、cationtrademedical operation space rocketsrobotsmobile phonesfinance第19页/共24页第二十页，共25页。They provide humans with a life of high quality.They are devoted friends and helpers of the human race.第20页/共24页第二十一页，共25页。 I began as a _ _ in 1642 in France. In 1842 I was built as an _ _. Then in 1936 Alan Turi

10、ng wrote a book and built a _ _. As time_ _, I was made _ but my memory got _ and _. In the 1960s they gave me a family connected by_ _. Now people call it the Internet. I was used in _ and _ in the 1970s. Since my birth I have truly been built to serve the human race.calculating machineanalytical m

11、achineuniversal machinewent bysmaller largerlarger a networkofficeshomesRetell the passage.Retell the passage. 第21页/共24页第二十二页，共25页。 ConclusionConclusionThere is no doubt that the computer has two sides ,too. If we make good use of it, it will make our lives more colorful and convenient. But dont lose yourself in playing computers. Just remember: Keep fit and study hard.第22页/共24页第二十三页，共25页。 Homework Write a short passage about the development of the mobile phone.1973年，世界上出现第一部移动电话。（年，世界上出现第一部移动电话。（mobile phone）1985年，第一台现代意义上的移动电话诞生年，第一台现代意义上的移动电话诞生。经过一段时间手机已经。经过一段时间手机已经(y jing)变化了很多变化了很多。