muWelcometotheunitPPT学习课件学习教案

1、会计学1mu Welcome to the unitPPT学习学习(xux)课件课件第一页，共17页。To look at the four different electrical and electronic devices (P1) and discuss how these devices have changed our lives第1页/共17页第二页，共17页。Many things have been invented in the history of mankind and more and more things are to be invented. Technolog

2、y has seen some developments in the last few decades.What electrical and electronic appliances (电器电器(dinq) do you have at home?第2页/共17页第三页，共17页。Which do you think is the most useful?第3页/共17页第四页，共17页。Electronics have developed very quickly in the last decades. Do you think these things have made our

3、lives more convenient or have they made simple things more complicated?第4页/共17页第五页，共17页。Whats your opinion on these products? 第5页/共17页第六页，共17页。第6页/共17页第七页，共17页。Picture 1: Compare the TV in the picture with the TV in your home.1. antennae (天线天线(tinxin) on top 2. a small screen 3. only black and white

4、 pictures 4. no remote control 第7页/共17页第八页，共17页。Development of TVblack-and-white TVcolour TVLCD screen液晶液晶(yjng)显示器显示器第8页/共17页第九页，共17页。Picture 2: How did people record music in the past?Put the tapes into the recorder in the past.People need to record music now:A computer, an MP3 player, a mobile ph

5、one and some recording software.第9页/共17页第十页，共17页。gramophone (留声机留声机)radio/tape recorderMP3 playerCD playerDevelopment of audio (音响音响(ynxing) devices第10页/共17页第十一页，共17页。Picture 3: How do you look up a word in a paper dictionary?We key in the word we want to look up and click the button Enter. Then the

6、 word entry will appear on the screen.How do you look up a word in an electronic dictionary?第11页/共17页第十二页，共17页。Development of dictionariespaper dictionaryelectronic dictionary第12页/共17页第十三页，共17页。Picture 4: How did people keep in touch in the past?- by letter/telegraph/telephoneHow do people keep in touch now?- mostly by mobile phone第13页/共17页第十四页，共17页。Development of communicationletter/telegramtelephonecell phone第14页/共17页第十五页，共17页。Developmentof