M7U1Welcometotheunit.ppt

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,*,Module 7 Unit 1,Living with technology,Electrical appliances,:,Machines are electrical,which are used for doing jobs in the home,such as washing clothes or cooking.,Most homes now have numerous electrical appliances,from dishwashers to microwave ovens.,Electronic devices,:,Small pieces of equipment,especially advanced electronic equipment.,Some cars are fitted with,a safety device,which wont let the car start unless passengers are wearing seat belts.,High technology has a,direct,effect on our life.,What,electrical,and,electronic appliances,do you have at home?,TV set,remote control,refrigerator,washing machine,microwave oven,air-conditioner,flatiron,dust catcher/vacuum cleaner,electric rice cooker,electromagnetic oven,kitchen ventilator,(,油烟机,),cooking utensils,（,炊具）,desktop,laptop,digital camera,DVD,MP3,microphone,electronic calculator,hair dryer,cellphone,telephone,tape recorder,electric fan,Microwave ovens,Refrigerators,TV sets,Air conditioners,Washing machines,Vacuum cleaners,Dishwasher,Computers,CD players,Mobile phones,Digital camera,Electronic dictionaries,Which do you think is the most useful?Why?,Is there anything that you dont think is useful?Why?,The development of electric devices:,Development,of TV,black-and-white TV,colour,TV,LCD screen,Discussion:,1.What kind of TV do you have at home?,2.What differences can you find between the TV in your home and the TV in this picture?,3.What kind of pictures did early TVs have?,4.What other functions do you need in a modern TV?,What differences can you find between the TV in your home and the TV in this picture?,Early TV had antennae on top.The screen was very small and could show only black-and-white pictures.The size of the TV was small compared with modern TV,and usually it looked like a wooden box.Early TV also did not have a remote control.The control panel was on one side of the screen.,What kind of pictures did early TV have?,Early TV had black-and-white pictures that were fuzzy.,What other functions do you need in a modern TV?,desktop,laptop,Palm,Development,of computer,Development,of dictionary,dictionary,electronic dictionary,Discussion:,1.How do you look up a word in a paper dictionary?,2.How many of you have an electronic dictionary?How do you look up a word in such a dictionary?,3.Besides the dictionary,what else can be stored in your electronic dictionary?,4.Which do you prefer,an electronic dictionary or a traditional paper dictionary?Why?,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 such a dictionary?,We key in the word we want to look up and click the button Enter.Then the word entry will appear on the screen.,There can be a calendar,a list of addresses and phone numbers,memos or a clock.More recent electronic dictionaries 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?,Besides the dictionary,what else can be stored in your electronic dictionary?,Development of,communication,letter/telegram,telephone,beeper,cellphone,The First,Cellphone,(1973),Name:,Motorola,Dyna-Tac,Size:,9 x 5 x 1.75 inches,Weight:,2.5 pounds,Display:,None,Number of Circuit Boards:,30,Talk time:,35 minutes,Recharge Time:,10 hours,Features:,Talk,listen,dial,Discussion:,1.How did people keep in touch in the past?,2.What are some recent developments in mobile phone technology?,3.Many high school students bring mobile phones to their schools.Do you think high school students should use mobile phones at school?Why or why not?,How did people keep in touch in the past?,People sent letters in the past,but letters were slow,and they took from a few days to several months to arrive.Then people invented the telegraph,but the telegraph could send only short sentences.Later,people could communicate via telephone,but the disadvantage was that not everyone had a telephone.Now,people use e-mails to communicate.E-mails are quick,but people without computers and access to the Internet cannot send e-mails.Today,most people use mobile phones to keep in touch with others.The size of a mobile phone is small so people can carry one in a pocket and receive and make calls wherever they are and whenever it is.,What recent developments have been made to mobile phones?,Now,mobile phones have more and more functions.,They can,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.,Development,of camera,Mobile phone,with a camera,digital camera,camera,Development of,audio(,音响,)device,gramophone(,留声机,),radio/tape recorder,mp3,CD player,Discussion:,1.What did people need when they wanted to record music in the past?,2.How did people record music in the past?,3.Look at the picture.What devices do people need to record music now?,4.How do people record music using a computer?,What did people need when they wanted to record music in the past?,Tapes and a tape recorder.,How did people record music in the past?,People put the tapes into the recorder,then played the tape with music at one side and pushed the play and record buttons at the other side to record the music onto the blank tape.,Development of fan,fan,air-conditioner,electric fan,Discussion:,1.What can our human beings benefit from the development of electric and electronic appliances?,2.Can we depend on these appliances,completely?,Man has made remarkable progress in this area in the last few decades.Whats your opinion on this?,They are invented to meet peoples needs.,They have improved peoples lives to some degree.,They are developing very quickly.,The radiation from some of the electrical and electronic devices,such as mobile phones,may be harmful to peoples health.,When people buy new electrical of electronic devices,they throw away the old ones.This may generate large amount of waste,which is harmful to the environment.,Summary,With peoples hard work and intelligence,human beings own lots of useful and handy,electric and electronic devices.These devices,do make us save a lot of time and energy.,Besides,they free us from heavy housework.,But we should not depend completely on them.,We human beings should make reasonable use,of them so that we can relax ourselves and,find pleasure and happiness in our life.,Language points,1.With mobile phones,we can keep in touch with others wherever we are.(P1),1)Here“wherever”introduces an adverbial clause.The usage of“ever”is as follows:,高考链接,1,.,You should try to get a good nights sleep _ much work you have to do.(2004,湖北,),A.however B.no matter C.although D.whatever,2.-Dad,Ive finished my assignment.,-Good,and _ you play or watch TV,you mustnt disturb me.,（,2003,上海）,A.whenever B.whether C.whatever D.no matter,高考链接,3._ makes this shop different is that it offers more personal services.(2006,辽宁,),A.What B.Who C.Whatever D.Whoever,4._ team wins on Saturday will go through to the national championships.(2006,山东,),A.No matter what B.No matter which C Whatever D.Whichever,高考链接,5.This is a very interesting book.Ill buy it,_.(2006,陕西,),A.no matter how it may costB.how may it costC.how much may it cost,D.however much it may cost,6.If we work with a strong will,we can overcome any difficulty,_ great it is.,（,19,95NMET,）,A.what B.how C.however D.whatever,高考链接,7.It is generally considered unwise to give a child _he or she wants.,（,19,97NMET,）,A.however B.whatever C.whichever D.whenever,8._,Mother will wait for him to have dinner together.,（,19,97NMET,）,A.However late is he B.However he is late C.However is he late D.However late he is,2.touch,n.,be/get/keep,etc.in touch,取得,/,保持联系,Are,you still,in touch,with any of your old,school friends?,Jane and I never,kept in touch,after college.,We,re,in close touch with,our office in Spain.,lose touch,失去联系,We,lost touch,over the years.,-I think Ill give Bob a ring.-You _.You havent been in touch with him for ages.,（,2006,江苏）,A.will B.may C.have to D.should,3.How have different electronic devices changed,over,time?,(P 1),over,prep.during,sth,.,or while doing,sth,.:,在,期间，在做,时,I was in Seattle,over,the summer.,Shall we discuss it,over,lunch/,over,a drink?,Its fascinating to watch how a baby changes and develops,over,time,(=as time passes),.,2)above or higher than,sth,.else,sometimes so that one thing covers the other;above:,在,的上面,The sign,over,the door said Exit.,She held the umbrella,over,both of us.,Helicopters dropped leaflets,over,the city.,3)across from one side to the other,especially by,going up and then down:,越过，跨过,She jumped,over,the gate.,The road goes,over,the mountains,not through a,tunnel.,4)more than:,超过,Most of the carpets cost/are,over,100.,Children,over,the age of 12,(=older than 12),must,have full-price tickets.,I value quality of life,over,money.,4.How have different,electronic,devices,changed,over time,.,electronic,电子的,electricity n.,electric,用,(,带,),电的，产生电的,electrical,和电有关的，电的,+more general nouns,electronic dictionaries/music/banking/mail,an,electric,cable/blanket/fan/cooker,electrical,equipment/devices/appliances,an electrical fault/engineer,an,electric(al,),company/current/shock,GOODBYE,