1、Unit 3 ComputersWarming up,Talking and ListeningDo you know them?keyboardmouseSoft wareUSB flash discCD/DVD/VCDCD/DVD-ROM monitor monitorhard discchips1243561.monitor 2.screen 3.CD-ROM4.mouse 5.keyboard 6.hard diskLabel each partabacushuge computercalculatorPC(Personal computer)laptopPDA(personal di
2、gital assistant)robotWhats next?What do they tell you about the development of computers?1.What do they have in common?I think that In my opinion I believe that1.They can be used for calculating.2.They can deal with maths problems.3.They are our friends.4.They are useful and helpful.Discussion One D
3、o you know in what ways computers are used today?Work out a list and compare it with your partner.Discussion Two1.use a computer for school work2.play games on the computer3.send emails to friends4.download music and films5.surf the web for fun6.take part in chat groups7.use the Internet to research
4、 information for school tasks8.buy things on line9.look at photographs on the computer10.read news both at home and abroad,read books and magazinesReading 1.Fast reading for general ideas1)Who is the speaker in this story?A computer.2)Reading to get the general idea of the type of writing and summar
5、y of WHO AM I?Type of writingMain idea ofthe passageThis is a piece of narrative writing.记叙文It tells about the birth and development ofcomputer.Topic sentence of 1stparagraphTopic sentence of 2ndparagraph Topic sentence of 3rdparagraphI began as a calculating machine in France in 1642.My memory impr
6、oved.Since the 1970s many new applications have been found for me.2.Detailed reading1)Where were you in 1642?2)What were you called in 1936?3)What happened to you in the 1970s?Since the 1970s I have been used in offices and homes.In France.A universal machine.1642The“analytical machine”was made by C
7、harles Babbage.1936The computer began as a calculating machine1840sAlan Turing wrote a book about how computer could be made to work as a“universal machine”to solve any difficult mathematical problem.Please fill in the table1940sThe first family of computers was connected to each other.1970s now1960
8、sMany new applications have been found for computer.Computers connect people all over the world together.Computer had grown as large as a room.Discussion How computers have changed our lives?Advantages VS.Disadvantages 1.At that time it was considered a technological revolution.technological adj.-te
9、chnology n.technical adj.-technique n.technology指总的科学技术（抽象）technique指小的技术，技巧（具体）Eg.Science and _ modern management _Language pointstechnologytechnique2.artificial adj.人造的，假的artificial intelligence 人工智能artificial flowers/pearls/smile 假花/假珍珠/假笑3.solve vt.-solution n.solve a problem/puzzle/mysterythe s
10、olution to the problemanswer the questionthe answer to the question4.fromon 从时起从那時起，王子与公主就幸福地生活在一起。From then on,the prince and princess lived happily.From now on,I will listen carefully in class.5.By the 1940s,I had grown as large as a room,and I wondered if I would grow any larger.by 加时间，一般用完成时态By
11、the end of 2009,I _there（居住）for ten years.By the time I was fifteen,I _(有了)my dream.6.as原形as，和一样not as/so as,不如The room is as large as that room.The room is three times as large as that room.The room is twice larger than that room.The room is three times the size of that room.可修饰比较级的词a bit,a little,
12、rather,much,far,a lot,a great deal,any,still,even,by far等注意：quite,very 不能修饰比较级1.That box is _ mine.A.as heavy twice as B.twice so heavy asC.twice as heavy as D.twice as heavier as2.Does he get _ better?A.much B.more C.very D.any6.as time went by,I was7.as time goes by=with time going by随着时间流逝，他通过努力在
13、英语上取得了很大进步。As time goes by,he makes great progress in English because of his hard work.8.as a result 结果1)他不用功,结果考试不及格。He didnt work hard,as a result he failed his exam.as a result of 的结果，由于2)由于大雪他迟到了。He was late as a result of the snow.3)由于政府缩减经费的缘故，有五百人被突然解雇了。Five hundred people were fired as a res
14、ult of government spending cuts.9.so that 如此以致于 suchthateg.He is so old a man that he cant carry the box.He is such an old man that he cantcarry the box.They are _ beautiful flowers that we all like them.They are _ beautiful flowers _we all like.so.that.结构的so+形容词/副词位于句首时，句子用倒装结构。So hard does he work
15、 that he seldom goes home.There are _ many books _ we cant afford them.There are_ many books _ we cant afford.(many,much,few,little(少）前只能用so)adj./adv.so+adj.+a/an+单数名词that many/much/few/little(少)a/an adj.+单数可数名词such+adj.+复数可数名词that adj.+不可数名词10.anyhow=anywayadv.无论如何；即使如此；至少1)I couldnt think of the n
16、ame of that man anyhow.2)至少你可以试试。Anyhow,you can try.3)无论如何，我必须说出真相。Anyhow I must tell the truth.区别someway,somehow以某种方式，不知怎么的Somehow,he was afraid of his English teacher.10.the human race 人类1)Is the human race threatened with complete extinction?人类是否会受到完全灭绝的威胁呢？人类：the human race 谓语单数human beings/a hu
17、man being 可数mankind/man前不加冠词，谓语单数11.truly adv.-true adj.-truth n.yours truly.用于信末=yours sincerelyto tell you the truth 说实话12.begin as=start as后面加职业，身份begin with=start with 后面加方式，手段He began _ a teacher.That class began _ a favorite song.end up with+方式/end up in+结果11.give sth.away to sb.give its compu
18、ters away to a local school1.He gave away most of his money to charity.捐赠2.The principle gave away the prizes to her.颁发3.He gave away our secret to our teacher.泄露4.His nervousness gave him away.出卖引申give 短语give upgive in(to sb.)give backgive outgive off放弃投降，屈服；上交=hand in归还=return分发；释放（热）；用完 vi.释放（味道.
19、热）12.personally=in ones opinion=as far as one is concernedPersonally,I think you are right.13.in a way=in one way=in some ways在某种程度上in the way挡道in this way用这种方法（by this means)on the/ones way(to)去的路上by the way顺便说一下14.arise-arose-arisen vi.出现An opportunity has arisen.arise from 有引起Traffic accidents ar
20、ise from carelessness.区别rise,raise15.make up形成，组成，构成One hundred years make up a century.One century is made up of one hundred years.虚构,捏造,编造The boy made up a story;it was not true.made up an excuse.编造借口化妆；化装She made up her face to look prettier.偿还,补偿You must make up what you owe before the end of th
21、is month.make up for lost time整理；收拾make up a bed 18 after all终究；毕竟(放在句子的末尾表示出乎意料)It has turned out to be a nice day after all.So you see I was right after all!记着；记住(放在句首表示别忘了某个重要的理由)I know he hasnt finished,but after all,he is very busy.above all 重要的是，特别是，尤其（强调重要性）first of all 首先，第一（强调排列顺序）at all（常用于否定句和条件句加强语气)in all 总共,总计(1)_,he refused to make any personal gain from his political work.(2)Strange to say,he did pass his driving test _.(3)There were fifteen of us _.(4)If you know anything _ about it,you should tell us.(5)_,we should sweep the floor.
