课件19张PPT。Unit 3 ComputersGrammarHanson Yang, Dec.13th,2005Two Tasks:
The Present Perfect Tense
The Present Perfect Passive VoiceThe Present Perfect Tense现 在 完 成 时I bought a new car two weeks ago .I have bought a new car.(两周以前购买，动作发生于过去。) (“我”“已经购买”，“已经拥有”， 重在强调“有”的结果与影响。) I had my lunch at twelve o'clock . I have had my lunch . (我在12 点吃的午饭。) (我已经吃了午饭。) The Present Perfect Tense含义I 1. 表示过去已经发生或已经完成的某一动作对 现在造成的影响或结果. 2. 不仅单纯表示一个过去的动作，而且还表示 该动作对现在的某种影响以及产生的后果； 既涉及过去，又联系现在。即现在完成时的 动作并非“现在”完成，而是“过去”完成，并 重在强调动作完成的结果与影响。 e.g. We have seen the new film . 构成： The Present Perfect Tensehave/has + P.P. Note: P.P.＝past participle 过去分词e.g. I've seen this film. He has lost his math book. The Present Perfect Tense过去分词的构成： ⑴ 一般动词，在词尾直接加“ -ed ”。 ⑵ 以“ e ”结尾的动词，只在词尾加“ -d ”。 ⑶ 以“辅音字母 + y ”结尾的动词，将 “y” 变为 “i” ， 再加“ -ed ”。 ⑷ 重读闭音节结尾，末尾只有一个辅音字母，
先双写该辅音字母，再加“ -ed ”。 规则动词：规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。 work visit live study cry play stop drop 不规则动词：
不规则动词的过去分词要特别牢记，详见课后附录中的不规则动词表。 The Present Perfect Tense句式变化： 1)肯定句： have/has + P.P. 2)否定句： have/has + ____ + P.P. not3)一般疑问句： Have you done your homework?I came here eight years ago . I have lived here for eight years . I have lived here since eight years ago . 我 8 年前来到这儿。 我在这儿住了已经 8 年了。 我自从 8 年前就住在这儿。 表示过去已经开始，持续到现在的动作或状态，可以和表示从过去某一时刻延续到现在（包括“现在”在内）的一段时间的状语连用。 The Present Perfect Tense含义II 连用的时间状语： The Present Perfect Tensefor + 一段时间 since + 过去时间点 / 过去动作点（从句） I have lived here for eight years. I have lived here since eight years ago. I have lived here since 1981. The Present Perfect Passive Voice现 在 完 成 时 的 被 动 语 态The Present Perfect Passive Voice构成：have / has + _______ + donebeen主动变被动：We have used every possible means to prevent the air pollution.Every possible means ______________ to prevent the air pollution.has been used Exercises
1. Both my brother work at the power station that ___ in my hometown.
A. has set up B. has been set up
C. was set up D. is set up
2. ----_____ the sports meet will be put off.
A. I’ve been told B. I’ve told C. I’m told D. I told
3. All the preparation for the task ____, and we’re ready to start.
A. completed B. complete
C. had been completed D. have been done
4. ---- How long ____ at this job?
---- Since 1990.
A. were you employed B. have you been employed
C. had you been employed D. will you be employedBADB5. When and where to go for the on-salary holiday ____ yet.
A. are not decided
B. have not been decided
C. is not being decided
D. has not been decidedB6. No permission has ____ for anybody to enter the
building.（MET1988）
A. been given B. given C. to give D. be givingA7. Until now, his homework has not _____ finished.
A. being B. be C. been D. to beC8. The windows _____,you need not wash it again.
A. is washed B. was washed
C. has been washed D. will be washedC9. The snow on the street ____, you can go home now.
A. has been cleared B. had been cleared
C. will be cleared D. was clearedA Assignments1. 复习本节课学的内容，完成《学习辅导》P34－35 的Grammar部分的练习。课件18张PPT。Unit 3 ComputersLearning About LanguageThe history of computersthe second generation
(1956-1963)
the third generation
(1964-1971)the fourth
generation
(1971- )The first generation
(1945-1956)
calculating machine
Pc(desktop/notebook)analytical
machineuniversal
machineartificial
intelligence
Internet. Listen, Read and TalkRevision
.Translation:1.依你们看,我该怎么办?
2.他们无共同之处.
3.他是一个头脑简单的人.
4.他跑得太快,我赶不上他.
In your opinion, what should I do?They have nothing in common.He is a simple—minded man.He ran so fast that I couldn’t catch up with him.5.你将怎样处理这场车祸?
How will you deal with the car accident?PresentationActive voice or Passive voice?
1.The old man has been dead for two years.
2.They have done the job.
3.The house has been built for 3 years.Passive
Voice---------------现在完成时被动语态谓语: has/have+been+past participleGrammarHow? *They have read 20 books.
-------20 books______have been readby them. 方法找宾作主,看时定式*I have bought a car .A carhas been bought(by me)Please do the following: Active voice Passive voice1.We have bought a new personal computer.
2.We have found many problems with our new computer.
3.They have built a PC the way we wanted.
A new personal computer has been bought by usMany problems have been found with our new computer.A PC has been built the way we wanted. 4.They have just joined our computer to the Internet.
5.We have used the computer every day since we bought it.
6.We have written a lot of e-mails on the computer in the past year.
A lot of e-mails have been written on the computer in the past year.Our computer has just been joined to the Internet.The computer has been used every day since we bought it.Choice1.You can see the house_____ for years.
isn’t painted
B.hasn’t painted
C.hasn’t been painted
D.hadn’t been paintedC2.---How long_____ at this jobs?
---Since 1990.
A.were you employed
B.have you been employed
C.had you been employed D.will you be employedB3.Great changes__in the city, and a lot of factories__.
A.have been taken place; have been set up
B.have taken place; have been set up
C.have taken place; have set up
D.were taken place; were set up
4.She has______ by her classmates.
A.laughed B.laughed at
C.been laughed D.been laughed at(B)D5.Both my brithers work at the power station that___in 1996.
A.has set up B.has been set up
C.was set up D.is set up
6.Rainforests_____ and burned at such a speed that they wll disappear from the earth in the near future.
A.cut B.are cut
C.are being cut D.had been cutCCDiscovering useful words and expreessions1._______________ completely (p19)
2._______________ completely change
3.________________ to make something happen
4.________________ when a baby or anomal is born
5.________________unable to understand difficult thingstotallyrevolutionSo…thatbirthsimple-minded6_________________pass
7._________________take correct action
8.______________broadcast on several different channels
9.______________indeed
10.______________used to show that sth.happens in spite of a problemgo bydeal withnetworktrulyanywayComplete the passage with the words:One day I decided I would change the way I work and make a_________in the office. So I bought a computer and made sure it was joined to a _________. And it was ____ exciting____my letters became neat and tidy and everybod y could read my writing. But as time________I begain to feel that my idea had been________ wrong. Now I was no longer able to feel that my work was_____my own. When I became unhappy, my____________ __colleagues thought I needed a more advanced model of computer.________ they bought me a new one.So I have never been able to escape from technology and___________ my work as I think fit!revolutionnetworksothatwent bytotallytrulysimple-mindedAnywaydeal withTick the right word1.Life (total/totally) changed when I went to university.
2.I was (amazing/amazed) to find that I won the competition to design a new computer.
3.The competition was so (excited/exciting) that we cheered all evening.
4.I was so (excited/exciting) at the thought of meeting Yang Liwei that I could not sleep.
5.Robots can be bought so (cheap/cheaply) that I gave one to each of my friends.
6.It was so (unlucky/unluckily) that you lost your watch at the concert.Homework Using words and expressions(EX.1. and EX.2.) P56—p57
Using structures(EX.1. and EX.2.) Goodbye课件14张PPT。 Period 6
Listening and WritingIt is ... It has...It canDescribe the android above:Listening This is a personal robot which can do all the work around the house. ___ ___ ____ _____ _____so it is easy to store．___ _____ five arms ___ _____all the tools and is very easy to use．It will start work ___ ____ ____at 5 am and finish when all its jobs are done．You only need to enter them into a keyboard and the robot will do the rest. Only ________for a day's use．on its ownIt hasto holdIt is only 35 cm high50 yuanIt looks like...
It can ...
People can use it to...Why not buy a personal pet which does not make a mess or need feeding? This beautiful ________ android sings ___ _________ ____ a real bird and is only 10 cms high．It ______around its cage _____ _____ __ ____ ____．You can have any colour you like and any repair you need in the first year _____ ___ ______by the robot company．It should last for at least six years and after that you can have a new computer chip fitted to __ ___ ___ ___ _____ _____．So why not choose one today? Only 600 yuan．bird-likebeautifully asjumpslike a real birdwill be paidit aasjustlonger lifegiveHow tall is it?What’s it good at?I am a large, ____________ android．I feel lonely．I ___ ______ ____meet another android for friendship after work．___ ___ ___ ____．I like climbing mountains and singing．But my family say I am ____ _____when I play my guitar and sing．They are not_________ _______ me．So if you would like to meet a kind-hearted android to sing karaoke with, I am your mate! Please call me on my program at ROB-1234．hard-workingwould like toI am 2m talltoo noisyfriendlytowardsDesign your own android!Four students a group, discuss how to design your own android. you should make it clear that who is the inventor, the writer, the designer and the reporter. pre-writing:1. What would you like it to look like?
2. What are some of the things you would like it to do?
3. Do you want it to be like a man or a woman, or neither?
4. How much would it cost?Fill in the form :Part 1 describe the appearance ,functions and price of your android.
Part 2 write an advertisement message
(广告词) for your android.
Part 3 how to contact (telephone number/ email/website)Advertisement A: What would you like your android to look like?
B : In my opinion it should look like …
A: That sounds interesting. What will it do for you?
B: I think it can …
A : Oh, yes! That sounds good. How much is it?
B: …
A: Really?! Do you want it to be a man or woman, or neither?
B : I want it to be ...
A: Please show it to us some day.
B: ...Sample ( talk about your design):A: What would you like your android to look like?
B : In my opinion it should look like a bird.
A: That sounds interesting. What will it do for you?
B: I think it can sing beautiful songs for me day and night.
A : Oh, yes! That sounds good. How much is it?
B: It doesn’t cost much money because I will make it by myself.
A: Really?! Do you want it to be a man or woman, or neither?
B : I want it to be a beautiful girl named Kelly.
A: Please show it to us some day.
B: Oh, No money no talk.Sample ( talk about your design):Homework1.复习第三单元,记住知识点,准备听写
2.完成细说教材P53 –P55中的练习,
(明天校对,必须完成)Thank you! Goodbye课件29张PPT。Welcome to the age of IT! Using languageUnit 3Android/RobotImagine
what
other
things
android
can
do ?Where?
fun_ction?
appearancein the kitchen / cook / cooking
strange head / human bodyFor adventureFor rescureFor warFor doorkeepingFor keeping companyFor cleaningwaiterfire-fightersinger/ hostessSo far more new types of
Android______________ (develop).They/it work(s) as a …
They/it can…have been developedAndy-the AndroidReading P221 Read the passage carefully and fill in the file
for Andy1.The androids can often play games together.
2.I am a striker, so I can run very fast.
3. In the game, I need to speak to my teammates in English.
4. Our team won the match last year in Seattle.
5. I disagreed to the result of the match.
6. I can make any move in the game just like a human. Scanning : True or FalseFTFFTFSecond reading Read the text carefully to find the answers to the following questions.How often are the androids allowed to get together to play a football game?
Where did Andy first compete ?
What does Andy’s programmer programs him with?
What does Andy serve as on the football team?
Who is Andy’s coach?How often are the androids allowed to get together to play a football game?
About once a year.2. Where did Andy first compete ?
In Nagoya, Japan.3. What does Andy’s programmer programs him with?
With all the possible moves she has seen while watching human games.4. What does Andy serve as on the football team?5. Who is Andy’s coach?He serves as a striker.His programmer.Read the text again to find out the following phrases.1.和人一样大小
2.在足球队里
3.用计算机语言
4.获第二名
5.在某种程度上
6.编造,补足
7.毕竟
8.在…的帮助下as big as a humanon the football team in computer languagewin second placein a waymake upafter allwith the help ofRead the text loudly to find some difficult sentences.I have learned to signal to my teammates in computer language to give me the ball when I’m open and have a good shot for a goal.当我的对面没有人防守, 可以好好射它一个球的时候, 我需要用计算机语言向队友发出信号把球传给我.Personally, I think the team that won first place cheated.1)personally 就个人而论/言Personally, I like the red coat.2)cheat sb (out) of sth. 骗取某人某物The prince cheated the princess (out) of her castle.I think we can work together to create an even better system.even 可以用来修饰形容词的比较级Yesterday was cold, but today is even colder.Although she is in her forties now, she seems to be even more beautiful than before.尽管她现在四十多岁了,但她看起来好像比以前更漂亮了.Notice:much, far, a lot,a little等也可以修饰比较级.This apple is much smaller than that one.He is far more excited than I expected.type kind, sort n. 种类/类型
a different type of bicycle，
John is a fine type of school boy.
约翰是学生的典范。
type v. 打字
typist n. 打字员
typewriter n. 打字机
typical adj. 典型的They had developed a new type of program just before the competition.In a way, my programmer is like my coach.in a way= in one way/in some ways 在某种程度上从某种程度上来看，他为我们国家做出了巨大的贡献。In a way, he made a great contribution to our country.
in the way 挡道，碍事
by the way 顺便说，附带说
on the way to 在通往…的路上
by way of 通过…方法 / 经由
in no way 决不
eg. In a way, I like this new textbook very much.
从某种程度上说，我很喜欢这本新教材。
By the way, where is the hospital?
He arrived in Beijing by way of Shanghai.
Then she prepares reliable moves to use if a new situation arises.vi. 出现 How did the quarrel arise? (vi.)
He arose and walked to the window. (vi)
They are talking about problems arising out of communication. (vi)
Several new industries arose in the city. (vi)
The whole city arose against the enemy. (vi)出现
起身
arise out of/from sth. 因某事而产生，引起
发展；出现；产生
arise against 群起反对
（1）编排
他编排了那份花名册。
（2）组成
农民几乎占了中国人口的80%。
（3）创作/编造
老师要求我们创作一首圣诞诗。
（4）化妆
现在绝大多数妇女每天都化妆。
make up for 补偿He made up the list.Farmers make up nearly 80% of the population of China.The teacher asked us to make up a poem about Christmas.The teacher asked us to make up a poem about Christmas.In this way, I can make up new moves.I would really like to play against a human team sometimes.play against = compete against/withplay with 与… 玩耍Don’t play with fire, it’s too dangerous.After all, with the help of electronic brain which never forgets anything, intelligence is what I’m all about.1) intelligence is what I’m all about
智慧就是我的一切。2) after all 毕竟，他非常调皮，但毕竟他还是个孩子。He is very naughty, but after all he is a child.3) with the help of 在…的帮助下在电脑的帮助下, 我们的课堂会变得越来越有趣的。 With the help of the computer, our class will be more and more interesting.Discussion :Imagine that you are an android, you are asked to do the housework for a family , and also to watch over their baby. What would you do? How would you feel?Android thoughts:I’m an android;
I look like a girl;
I work day and night.
GIRL,COME HERE!
GIRL,GO THERE!
GIRL, DO THE DISHES!
GIRL, MOP THE FLOORS!
I’m here to serve;
I’m there to serve;
But my mind is free.
My mind wanders.
In my mind I am a real girl;
I play with the other girls;
And I run in the fields.
I am treated like a real person;
I am a real person!Summary 1. We reviewed the main words and expressions we have learned, then learned some new words and expressions.2. We learned the story of Andy, an android.Homework Memorize the words and expressions we learned today.
课件30张PPT。 Unit 3 Computers
Period 1
Warming upHeavy!
Difficult!
Hard!
Tired!keyboardmousemonitorscreenspeaker host computercamera What do they have in common?an abacusa calculatora desktopa notebook computer
a laptopdigital camera a robot(What do they have in common?)I think that…
In my opinion…
I believe that…
What’s your reason?
Why do you think so?1.They can be used for calculating.
2.They can deal with
maths problems.
3.They are our friends.
4.They are useful and helpful.Discussionwork for us in Mars(火星)What’s next?carry thingswork in wars (战斗)仿真机器人entertainment
娱乐What do you think will be the next development?CD -- DVD-ROM
---DVD RWCRT monitorLCD monitorCPUhard discchips
/motherboardsome hardware:使用阴极射线管(Cathode Ray Tube)的显示器?Liquid?Crystal?Display?keyboardmousemodemscannerprinterspeakerfloppy disc/diskUSB flash discCD/VCD/DVDMP3 playerMP4 playerMemory:(存储器)移动硬盘USB
Flash disc 1 TB 固态硬盘T
硬盘Hard disc:Core 2 Duo 酷睿2 : 4核龙芯8核cpu:other useful words and expressions about computer:Network网络
Virus 病毒
Download 下载
Up load 上传
Program 程序
Website 站点
Hacker 黑客Home page 主页
Password 密码
Desk top 桌面
User name 用户名
Click 点击
Software 软件
Hardware 硬件
Home page 主页Reading:
Who am I?Skimming:
Read and answer these questions:2. Who was the first person to invent the earliest computer?
3. Who was the next important person to design computers?
Charles BabbageAlan Turing1. Who am I?A computer.timeline
1642:
1822:
1936:
1940s:
1960s:
1970s:
Now: Scanning:The computer began as a calculating machine. the Analytical Machine was built by Charles Babbage.The computer grew rapidly both in size and in brainpower.Computer had grown as large as a room.Computers were used in officers and homes.Computers connect people all over the world together.the first family of computers was connected to each other The history of
computersthe second generation
(1956-1963)the third generation
(1964-1971)the fourth generation
(1971- )The first generation
(1945-1956)The development of computers:
Calculating machineAnalytical machineUniversal machineArtificial intelligenceComputerInternet计算器分析机万能机,通用机器人工智能calculatinganalytical universal mathematical
problemsMedical operations MemoryTransistorsApplicationsCommunicationTradeIntensive reading:
Underline the phrases &sentences that you think are importantStar sentences:P1 L2 I _______instructions from cards with holes.
P1 5 Earlier I was not very big, but then I became ______ .
P1 L6 However, people thought I was ___________ until they _________ I had “artificial intelligence.”
我执行穿孔卡的指令早些时候我并不是很大，但是后来我变得非常大可是，人们认为我头脑简单， 直到发现我有人工智能时，
他们才不那么想了。followedhugesimple-mindeddiscoveredP1 L8 As the years have ________, I have been made smaller and smaller.
P2 L1 There were ______ when my size was ________changed.
P2 L3 But I was always so lonely _______ there by myself, until in the early 1960s,they gave me a family ________ by a network.随着岁月的流逝， 我被做得越来越小了.有段时期我的体积完全变了但是我总是孤孤单单地站在那里，直到60年代初， 人们才
给了我一个用网络连接的家庭。gone bytimestotally standingconnectedAdvantages and disadvantages of the computers. Discussion advantages
we can
communicate with friends
listen to the music
see films & watch news
play games
do shopping
save a lot of time
do a lot of useful things Disadvantages
Some people especially the teenagers abandon (沉迷于) themselves to the computer games and chatting on the Internet. As a result, they have little time to study .
Some people use the computer wrongly. HomeworkReview the text
Recite Para one
Finish Ex. 1/2 on Page 20.
