muWelcometotheunitPPT學(xué)習(xí)課件學(xué)習(xí)教案

1、會(huì)計(jì)學(xué)1mu Welcome to the unitPPT學(xué)習(xí)學(xué)習(xí)(xux)課件課件第一頁，共17頁。To look at the four different electrical and electronic devices (P1) and discuss how these devices have changed our lives第1頁/共17頁第二頁，共17頁。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 (電器電器(dinq) do you have at home?第2頁/共17頁第三頁，共17頁。Which do you think is the most useful?第3頁/共17頁第四頁，共17頁。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頁/共17頁第五頁，共17頁。Whats your opinion on these products? 第5頁/共17頁第六頁，共17頁。第6頁/共17頁第七頁，共17頁。Picture 1: Compare the TV in the picture with the TV in your home.1. antennae (天線天線(tinxin) on top 2. a small screen 3. only black and white

4、 pictures 4. no remote control 第7頁/共17頁第八頁，共17頁。Development of TVblack-and-white TVcolour TVLCD screen液晶液晶(yjng)顯示器顯示器第8頁/共17頁第九頁，共17頁。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頁/共17頁第十頁，共17頁。gramophone (留聲機(jī)留聲機(jī))radio/tape recorderMP3 playerCD playerDevelopment of audio (音響音響(ynxing) devices第10頁/共17頁第十一頁，共17頁。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頁/共17頁第十二頁，共17頁。Development of dictionariespaper dictionaryelectronic dictionary第12頁/共17頁第十三頁，共17頁。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頁/共17頁第十四頁，共17頁。Development of communicationletter/telegramtelephonecell phone第14頁/共17頁第十五頁，共17頁。Developmentof