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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Unit 1 Living with Technology,Welcome to the unit,Unit 1 Living with Technology,What electrical and electronic products do you use,in your studies,?,What electrical and electronic,What electrical and electronic products do you use,in your life,?,-Microwave ovens,refrigerators,TV sets,air conditioners,washing machines,vacuum cleaners,CD players,electric fans,mobile phones,digital cameras.,What electrical and electronic,Which do you think is the most useful?,Which do you think is the most,Picture 1:Compare the TV in the picture with the,TV in your home:,1.An antenna on top,2.the small screen,3.only black and white pictures,4.no remote control,Picture 1:Compare the TV in t,How did people record music in the past?,-,put the tapes into the recorder,then play the tape with music at one side and play the record button at the other side to record the music onto the blank tape.,How did people record music in,How do people record music using a computer?,Copy the music from a CD to the computer,using recording software.The music will then be digitalized and stored in and played by an MP3 player.,How do people record music usi,How do you look up a word in a paper dictionary?,The words in a paper dictionary are arranged in,alphabetical order from A to Z.We need to look,at the first letter of the word and use it to search in,the dictionary.If two words start with the same,letter,we look at the second letter to decide the,alphabetical order.If the first and the second letters,are the same,we look at the third letter and so on.,How do you look up a word in a,How do you look up a word in a electronic dictionary?,We key in the word we want to look up and,click the buttonEnter.Then the word entry,will appear on the screen.,What else can be stored in your electronic dictionary?,There can be a calendar,a list of addresses and,phone number,memos or a clock.More recent,electronic dictionary have large memory space,and some can be used as electronic books with,hundreds of books stored inside.,Which do you prefer,an electronic book or a traditional paper book?Why?,How do you look up a word in a,How did people keep in touch in the past?,-by letter/telegraph/telephone,How do people keep in touch now?,-most by mobile phone,What recent developments have been made,to mobile phones?,How did people keep in touch i,-have more and more functions.,1)send text messages,2)be used as a digital camera to take still or,even moving pictures.People can send,the pictures to other mobile phones,or e-mail addresses.,3)Mobile phones can be connected to the,internet and people can look at web pages,with mobile phones.,4)More advanced mobile phones can receive,TV signals so that people can watch live TV.,-have more and more functi,How have different electronic devices changed,over time?,How have these inventions improved peoples,lives?,Discussion:,How have different electronic,These inventions have greatly improved,peoples lives.Mobile phones are a good,example of this.Before mobile phones came into,use,people couldnt make phone calls or receive,phone calls if there was no telephone nearby.,With mobile phones,people are able to make,calls at any time and at any place.Today,many,of us are very busy and cannot be expected to,wait for a long time.Mobile phones provide us,with a chance to keep in touch with others,wherever we are.,These inventions have greatly,Discussion:,Do the electronic devices bring us advantages,or disadvantages?,Advantages:meet peoples needs,improve peoples lives to some degree,Disadvantages:,1)radiation may be harmful to peoples health,2)when people buy new electrical or electronic,devices,they throw away the old ones,which,not only cause waste,but also be harmful to,the environment,
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