八年级英语上：Unit 3 Modern machines单元课件上海牛津版 课件.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,*,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 3 Modern machines,Fun time,Watch the flash,warming-up,Brain storming:,Whats the most common,electric machine youve known?,What do you think of when you,hear the word,“computer”,?,Different parts of the computer.,Name the following.,Tell what they are.,monitor,main unit,speakers,CD-ROM drives,mouse,keyboard,floppy disk,USB disk,diagrams and graphs,calculator,human brain,Give names to different,parts of the computer,floppy disk,CD-ROM,monitor,keyboard,main unit,drive,mouse,speaker,The _ shows words and pictures.,You use the _ for typing in information.,The _ _ records information.,The _ helps you control the computer.,The _ _ contains all the computers electronics.,We can hear the sound from the _.,We put _ into the _ in the main unit.,monitor,keyboard,floppy disk,mouse,main unit,speakers,CD-ROMS,drives,Write the names to complete the sentences,needing someone or something,a line drawing that shows how something works,very important,necessary,now,almost never,a senior law officer,control,keep running,mention something for people to discuss or to deal,not often,seldom,notice,know about,not knowing about,dependent,diagram,essential,for the time being,hardly ever,judge,operate,raise,rarely:,realize,be unaware of,vocabulary,12 to get things from different places and,bring them together,13 someone who makes a speech;a part of,a radio or recorder where the sound,comes out,14 information that tells you how to use,something,15 facts or details that tells you something,about a person or a situation,16 to make someone or something do what,you want,collect,speaker,instruction,information,control,17 put or keep something in a place where,it cant be easily seen or found,18 a vehicle for carrying people through,space,19 to know and understanding the,importance of something,20 as shown by something or said by,someone,21 at this time;now,22 to be caused as a result of an event;,to do or have something by chance,hide,spaceship,realize,according to,at present,happen to,Match the words in Column A,with the meanings in Column B.,A,1 be unaware of,2 tiny,3 diagrams,4 operate,5 for the time being,6 judges,7 raises,B,a make(it)work,b people who make legal decisions,c very small,d at present,e brings to our attention,f do not know about,g simple drawings,Reading,Listen to the tape,try to understand,the information.,B Find the facts,Read Tonys information about computers,and correct the wrong statements.,Computers,1 may be inside some machines in our homes.,2 can do unimportant jobs like flying spaceships.,3 can do tasks according to the programs.,4 at present are cleverer than people.,(correct),(important),(correct),(not cleverer),Read the statements below and on page 48 and,give examples.Put one word in each blank.,1 Computers can draw things.,For example?,Diagrams,and,graphs.,2 Computers can do some important jobs.,For example?,_,and,_.,D Read and think,Operating railways,flying,aeroplanes,flying,spaceships.,Read the statements below and on page 48&49 and,give examples.Put one word in each blank.,D Read and think,3.There may be tiny computers in your home.,Where,for example?,Inside your,_ _.,4.A human brain can do some things,beter,than,a computer.,For example?,_,.,TV set,telephone or washing,machine.,Creating new ideas,Read the statements below and on page 49 and give,examples.Put one word in each blank.,D Read and think,5.In future,computers may do some jobs better,than people.,What job,for example?,A,_,job.,6.In future,computers may change our lives a lot.,For example?,We may have,_,.,doctors/judges/teachers,nothing to do,Read the statements below and on,page 49 and give examples.Put one,word in each blank.,D Read and think,7.CD-ROMs can hold more things than,books.,What,for example?,_,and,_,as well as,writing,.,Pictures,sound,Deeper,understanding,Read the passage,paragraph by paragraph to get more information.,while-reading,Read Paragraph 1-2 and answer:,What are“hidden helpers”?,Why do we call them“hidden helpers”?,“,Hidden helpers”are computers.,We call them hidden helpers because,sometimes they are inside the machine.,Read Paragraph 3 carefully and fill in the,blanks:,Computers can:,1_.,2_ _ and _ things like diagrams and graphs.,3 _you and _with you.,4 _railways,_,aeroplanes,and spaceships,.,while-reading,calculate,type,print,draw,teach,play games,operate,fly,while-reading,Is computer clever than a human brain?,At present ,the human brain has greater under-,standing of the meaning of things than computers.,What may happen in the future?,One day computer may be able to do some of our jobs better than we can.,How will our lives change?,Computer may make our,lives better.,How do we give a computer instructions?,First:,People write different,computer programs.,Second,:,People put the programs into the computer.,Requirement:,It is essential for people not to make mistakes.,Which computer is better,the one with CD-ROMs or the one with a floppy disk?,A computer with CD-ROMs is much better.Computers use CD-ROMs can hold huge amounts of information and also pictures and sounds.We can use a computer to read about a famous,person,see a photo,or a film of him or,her,and so on.,Find out the phrases,while reading.,神秘助手,读到，获悉一个,名人,3,把程序写进电脑,4,计划写一篇关于,电脑 的文章,5,编写电脑,程序,6,收集信息,7,几乎不,8,察觉不到,9,对,更依赖,10,目前,11,暂时,12,不是很久以前,hidden helper,read about a famous,person,put a program into the,computer,plan to write an article,about/on computer,write computer programs,collect some information,hardly ever/,scarcely,be unaware of,be more dependent on,at the moment;at present,for the time being,not so many years ago,washing machine,be fast at calculating,the answer to this question,operate railways and,fly,aeroplanes,for these reasons,human brains/a human brain,raise interesting questions,something happen to,sb,.,make our lives better,CD-ROM drives,Itd essential for people not,to make mistakes.,be more useful than a floppy,disk,13,洗衣机,14,运算得很快,15,问题的答案,16,控制火车运行,和飞机飞行,17,因为这些原因,18,人脑,19,提出有趣的问题,20,某人发生某事,21,使我们的生活更好,22,光盘驱动器,23,对人们来说不,出差错更为重要,24,比软盘更有用,Paraphrase,the sentences,Not many years ago,you hardly ever saw,computers.,Not _ ago,you _ saw computers.,2.,Now,people can see computers,everywhere.,_ people can see computers,_.,3.You might,be unaware of,the danger round you,You might,_,the danger round you.,4.Is a computer cleverer than I am?,Am I _ a computer?,5.People should not make mistakes.It is essential.,Its _.,6.Probably CD-ROMs will soon be more popular,than books.,_ books_.,long,here and there.,not know about,less clever than,essential for people not to make mistakes.,Maybe will be less popular than CD-ROMs,Today,scarcely,7.You should not,be dependent on,your parents all the time.,8.Computer,rarely,give wrong answer.,9.Computers can,operate,railways and fly,aeroplanes,and spaceships.,10.This,raises,interesting questions.,11.Computer can also,contain,pictures and sound.,12.You can use a computer to,read about,a famous person in history.,need,seldom,control,talks about;writes about,include,find out information about/on,Complete,the passsage,Tony _ to write an _about computers.Hell _ some of the information at the library.Now computer are everywhere.There may be,_,_ computers in your home,but you might be _ of them.We give _,to a computers by running a program on it,so its _ for people not to make _when they write programs.Computers are fast at _.They can also _ and draw things like diagrams and graphs.More importantly,they can _ railways and fly,aeroplanes,and _.For these reasons,we often call them _ brains.Today computers _ CD-Rom,drives can _ a lot of information so that we can even _ a video of a famous person on _.,plans,article,collect,tiny,hidden,unaware,instructions,essential,mistakes,calculating,print,operate,spaceships,electronic,with,hold,see,it,Use your head,Remember these basic Sentences about computers,1.There may be tiny,hidden computers in your home.,People are more dependent on computers now.,2.People write computer programs and put them into a,computer.It is essential for people not to make mistakes.,3.Computers are faster at calculating than people are.,4.More importantly,they can operate railways and fly,aeroplanes,and spaceships.,5.You can read about a famous person in history such as,John F.,Kenndy,.,6.For these reasons,we often call them electronic brain.,7.Is a computer clever than a human brain?For the time,being,the answer to this question is“No”.,8.However,one day computers may be able to do more,things and do them better.,9.What will happen to our lives?Will we have nothing to,do?,Word study,1.dependent adj.,1)needing someone or something,2)according to what else happened or,where else,sth,else changes,be dependent on/upon (for),3)depend v.,it/that depends,依赖；依靠,取决于,You should,not be dependent on,your,parents all the time.,2.The young,are totally dependent on,their parents,for,food and shelter.,3.How much you get paid,is dependent on,how much you produce.,4.Are you going to visit him?Well,it depends,.,5.India,became independent,in 1947.,看情况而定,independent,独立自主,2.essential adj.&n.(usually pl.),very important/necessary;,sth,.that is important,sth,.be essential for,it is essential that./it is essential to do,essentially adv.,Water _ life.,If youre going walking in the mountain,strong boots _.,_ you should win the voters hearts.,_ set our goal realistically,(,现实可行）,.,The charity provides,(,提供）,homeless children with,_,like food and clothing.,_,the plan is worthwhile,(,值得,),but,some changes have to be made.,is essential for,are essential,Its essential that,Its essential to,essentials,Essentially,3.hardly ever adv.,almost never,hard,adj,&adv.,be hard on,sb,.,Its hard on,sb,doing,sth,have a hard life/time,can/could hardly do,hardly any=very few,He worked _ last night and _ had,a rest.,_ the kids having their father in hospital.,You mustnt be too _ Davidhe has been,under a lot of pressure.,Miners,(,矿工）,used to _ in the past.,The children were so excited that they _ speak.,Theres _food left.We have to buy some.,无情，苛刻,对某人很不容易,生活拮据,几乎不,几乎没有,hard,hardly,It is hard on,hard on,have a hard life,could hardly,hardly any,4.judge,v.,to form or give an opinion,judge,sth,/,sb,to be +(n./adj.),judging by/from,n.,a senior law officer;the chairperson at trials,judgment/,judgement,(Br.E)n.=opinion,The _ put the criminals in jail.,I _ it _ better to tell him.,The court _ him _ guilty.,Trevor _ the distance _ about,30 yards.,_ what he said,he must be an,honest man.,_ the look on her face,the news,must have been terrible.,判断；评定,依据,/,根据来,判断,/,评定,judge,judged,to be,judged,to be,judged,to be,Judging from,Judging by,5.v.control;keep running,operate operated;operated;operating,operation,operate on,sb,.=have an operation on,sb,.for),control,操纵,操作,work,有效生效,How do you,operate,this new recorder?,Computers can,operate,railways.,Can you,operate,the computer,？,The sleeping pills,operated,at once.,The doctor,is operating on,Toms leg.,Thats just the way she,operates,.,The surgeon decided to,operate on,her.,The company,operates,ten factories.,动手术,work,工作,动手术,经营,6.not often;seldom,rarely adv.,rare adj.,its rare(for,sb,.)to do,rarer;rarest,People,_,eat snake in the UK.,We now go to the cinema on very _,occasions.,3)_ for her to miss a day at school.,4)_ for him to be absent.,5)I _ go shopping.,more,rarely;most rarely,rarely,rare,It,rare,It,rare,rarely,7.notice;know about;achieve something,realize v.,realize+n;realize+that/,wh,-,realization n,.,I,did not realize,you were going to leave.,I realize,how much,he means to you.,People now have,realized how,serious,pollution is.,Later we,realized that,we met before in Paris.,Suddenly she,realized what,was happening.,He finally,realized his hope,.,None of us,realized the danger,we were in.,意识到,意识到,实现,觉察到,意识到,.not knowing about,unaware,adj.,be(seem,remain)unaware of,sth,.,be(seem,remain)unaware that+clause,The student,was unaware of,his mistake.,Mike,seems unaware of,the trouble he is,causing.,She,remained unaware that,she was,being watched.,那个学生还未意识到他的出错误,Mike,似乎还未意识到他所若的麻烦,她一直未觉察到自己在被监视,9.,to make,sb,.or,sth,do what you want,control v.&n.,control,sth,/,sb,cant control,be in control,be in charge of,be in/under the control of=be in the charge of,control oneself/ones temper,lose control of=have no control of,The teacher _ the class.Theyre too naughty.,=The teacher _ the class,This button _ the temperature of the building.,The company strictly,_ the quality of its products.,Anger took away his _.He couldnt _.,He couldnt _ his _.,The department was _ of,Thompson.=,Thompson was _ of the,department.,With the help of the firemen,the fire was soon_.,cant control,loses control,of,control,s,control,s,control,control himself,control temper,under the/in the control,in control,under control,控制，管理，指挥,统治，支配,克制自己,失去控制,管理,10.1)be in a particular place (adj.),2)happening or existing;a gift(noun),3)to give,sth,to,sb,.(verb),present,be present at,be absent from,at present=now;at this time,=at the moment,present,sth,to,sb,.=present,sb,with,sth,give,sb,sth,.,How many people _ the meeting,yesterday?,2)What is your _ address?,3)Ms.,Hellman,is busy _.Can she ring you later?,4)Davids manager _ him _ a car for his,good work.,5)A doll is a _ to each of the children from Granny.,Granny _ a doll _each of the children.,到场的，出席的,现在的目前的,赠于,给予,授予,were present at,present,at present,presented,with,present,presented to,Difference among present,now&at the moment,Oral,口语,Using the words,1.Computers can do tasks a_ the,programs.,2.Sea water c_ salt.,3.We want to know what will h_ our,lives in the future,4.We can hear the sound from the loud s_,of the school broadcast every day.,5.We use m_ to control computers.,6.I am not free a_.I m afraid I cant,go with you.,ccording,to,ontains,appen,to,peaker,ouses,t present,I.Complete the sentences,using words with the given letters.,7.If the bank is closed,you can get some money,from the ATM m_.,8.We use the k_ for typing information.,9.-What are you doing?,-I am looking for some i_ about,traveling.,10.Computer can type,p_ and draw diagrams.,11.Read the i_ before you use this,medicine.,12.Do you like c_ stamps?,13.Without p_,computers cant work.,achine,eyboard,nformation,rint,nstruction,ollecting,rograms,Fill in the blanks with correct words.,The _ shows the income of the families in our city.,Water is _ for life.We can,t live without it.,You should not be _ on your parents all the time.,Your salary will be 5000,yuan,a month _.,He _ does sports after school.,diagram,essential,dependent,for the time being,hardly ever/rarely,The _ shows the income of the families in our city.,Water is _ for life.We can,t live without it.,You should not be _ on your parents all the time.,Your salary will be 5000,yuan,a month _.,He _ does spo