Unit 3 Computers（精选3篇）
Unit 3 Computers 第1篇
unit 3 computers
the 3rd period: learning about language
---the present perfect passive voice
goals: 1. learn the present perfect passive voice.
2. help the students master the way of using the correct voice, telling the differences between the active voice and the passive voice.
teaching procedures:
step 1: revision and lead-in
1.check the homework first
ex1:
1 totally 2 revolution 3 artificial intelligence 4 birth 5 simple-minded 6 go by
7 deal with 8 network 9 truly 10 anyway
ex2:
revolution; network; went by; totally; truly; simple-minded; anyway; deal with
ex3:
1 totally 2 amazed 3 exciting 4 excited
5 cheaply 6 unlucky
2. lead-in
say: are you familiar with these computers? can you call them? (ask the ss to distinguish different types of computers.)
do you know these new inventions of computer ?
a wrist-worn pc has been invented recently.
a pen-like computer has already been developed.
(show them some pictures and ask them to make some sentences , using the present perfect passive voice.)
eg: it’s rather a hot day today! would you like to have a swim after school ?
have you ever swum in the blue water world（蓝色水世界） in the oriental suntown (东方太阳城) which has been set up in taizhou?
there a beautiful swimming pool has been built .
many high buildings have been set up.
lots of flowers and trees have been planted.
a new bridge has been completed….
step2: discovering
ask the ss to discover whether these sentences have something in common.. help them to learn the useful structure : the present perfect passive voice.
step3: discussion : learning the structure
give some explanations
1构成：
主动语态 被动语态
现在完成时 have/has done----------have/has been done
he has been sent to study the new technology in the company.
the dirty clothes have not been washed.
have the windows been cleaned?
how many shopping centers have been built in this city?
2. 只有及物动词才有被动语态，不及物动词（词组）没有被动语态, 如:happen, take place,
die, appear, disappear, fail, remain, lie, last, sit ,stand, break out, come true, belong to等.如：
what has happened to your brother?
3.但许多不及物动词加介词或副词构成的短语动词，相当于及物动词，也可以有被动语态。
但短语动词是一个不可分割的整体，变为被动语态时，不可丢掉构成短语的介词或副词。如：
the child has been taken good care of by grandma wang all these years.
a notice has been put up on the wall
step4: practice and exercises
1.change the following sentences into the present perfect passive voice.
!). we have completed all the preparations for the task, and we’re ready to start.
2). this company has produced new types of computers.
3). they have interviewed several teachers for the job.
4). george has sent some texts and pictures to his friend’s cellphone.
5). they have developed some programmes for the human resource department of their company.
2.change the following sentences into the present perfect passive voice. put the verbs into correct form.
recently we have bought a new personal computer. we have used the computer every day since we bought it. we have just joined our computer to the internet. however, we have found many problems with it. so we have decided to ask a professional man to fix it. soon he has fixed the computer. he has built a pc way we wanted . how excited we are! these days we have written a lot of e-mails on the computer. we have decided to write a report about the positive and the negative effects of using computers.
3. do some exercises: choice
step5: using the structure : play a game—what has been decided.
1. give the ss the situation : get into groups of four. your task is to decide what has been decided for the class .take turns to make the ideas as interesting or as lively as you can.
2. give the ss some examples:
s1: it has been decided that those who do not do heir homework will be asked to return to school on saturday.
s2:it has been decided that those who keep the classroom tidy should be allowed to go home early everyday.
s3:it has been decided … s4:…
3. ask them to collect the ones they all like best and be prepared to tell them to the class.
step6: further study: 高考链接(this step can be done according to teaching needs.)
1. ---how long _____ at this job? b
--- since 1990.
a. were you employed b. have you been employed
c. had you been employed d. will you be employed
2. when and where to go for the on-salary holiday ___yet. ( 上海春季) d
a. are not decided b. have not been decided
c. is not being decided d. has not been decided
3.all the preparations for the task ___, and we are ready to start. ( 北京春季) d
step 7: homework
1.finish exercise 1 on p57.
2.revise the present perfect passive voice.
Unit 3 Computers 第2篇
unit 3 computers
the 5th period: reading and speaking & writing
goals:
1.learn a reading passage to learn about a football android called andy.
2.improve students’ reading ability.
3.design an android.
4.write a passage about the problems that the android might have while he/she is serving people. teaching procedures:
step1: lead-in
show the first picture and tell the students that computers could be put into androids or robots. present “android”.
tell the students: androids are always with us! the students may disagree. show pictures of atom and doraemon. say: they are androids with magical power.
continue to show pictures of nursery maid androids and tell the students androids can be made to look after humans. then ask: but can you imagine androids can play football? maybe you are curious about it. i will show you a video that androids play football.
let the students watch the video and tell them: oday i would like to introduce an android family member to you .his name is andy. present the reading passage’s topic: andy---the android.
step2: reading:
let the students read the passage. carry out the tasks below:
task1: answer the questions below:
1. who is andy? what is he good at?
(he is an android. and he is good at playing football)
2. what helps him to move and think like a human?
(his computer helps him to move and think like a human.)
3. what does andy think about the team who beat them last year? why?
(she thinks the team cheated because they had a new kind of programmer, which had just been developed before the competition.)
4. what does the programmer do to andy?
(she programs me with all the possible moves she has seen while watching human games.)
task2: fill in the blanks
the story is about the _____ called ____, who is good at____________. and his__________ makes him think and move like a ______. however, they _____ in the _________ hosted in the usa, because the other team had a new kind of_______. after that, he will ask his programmer to improve his _________ and _______ some new moves.
task3: language points:
1. i think we can work together to create even better software.
even = much 用于强调比较的程度
2. in a way, my programmer is like my coach.
in a way 在某种程度上…
in the way 挡道,造成障碍
in this way 用这种方法
fill in the blank：
1). ________it was one of our biggest mistakes.
2). you can finish your work .
3). your bike is .move it away.
3. in this way, i can make up new moves.
make up 编写，补上
4. after all, with the help of my computer brain which never forgets anything, intelligence is what i’m all about.
after all 毕竟
with the help of sb./sth. 在…的帮助之下= with one’s/ sth’s help
step3 speaking
tell the students that we already have many different kinds of androids in our daily life. show some pictures of androids for different purposes---maid, adventure and work.
then say to the students: let’s design an android of our own! the following questions and expressions can help you:
＊what would you like it to look like?
＊what are some of the things you would like it to do?
＊do you want it to be like a man or a woman, or neither?
＊how much would it cost?......
get the students to use the following sentences for discussion:
i think that… what’s your reason?
in my opinion… i have decided that…
sample:
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.
step4 pre-writing
say: imagine what problems and delights this android might have to deal with while it is serving you. try yourself in someone else’s shoes is an important way of understanding how other people feel.
then discuss: you are an android. you work for a family with one child who is very spoiled. the parents want you to do everything for them. the parents are nice, but they often ask you to watch over their child. how do you feel? what would you do if the child asked you to do his/her homework for him/her? would you ever tell the child “no”?
step5 writing
say: write a passage about the result of your discussion! it should contain:
what do you have to do?
what is the child like?
what is the parents’ requirement of the child?
what do the parents want you to do?
what does the child want you to do?
then what will you do? how do you feel?
sample writing:
hello everybody, my name is liu yan.i am a 321 model android.i work for the li family. mr and mrs li work very hard too.mr li is an architect and designs great tall apartment blocks.mrs li is a doctor and has to look after many patients.i remember all the plans for mr li's projects and can tell mrs li which drugs are the best to give any particular patient. and i also look after their library. i store all the books that they borrow from their school or friends in my brain.of course my brain is as large as a mountain, so work like that is no trouble to me.i really eat books just like people eat food.
the lis have a child who is very spoiled. he needs me to remember all his school textbooks so that i can do his homework for him.he just gives me the information on the subject, what has to be done and the page numbers and i get on with it while he enjoys himself with his friends.sometimes i don't think it is right to do his homework for him — it's somewhat cheating. however, his parents are very concerned at the pressure of work in school these days.the child has too much homework to do. they like him to go to the key school but they also want him to be able to have hobbies, learn to swim and keep fit! poor child!
so they consider me the most important person in the family after themselves.i am always introduced to their friends and play with visiting children.i am the perfect family academic aid and, although i was not cheap to buy, mr li says i was worth every yuan!
step6 assessment
get the students to assess their writing ability according to the following the questions:
1. is your composition well developed?
2. are your ideas well organized to the point?
3. do you have a good choice of words and idioms in your writing?
4. do you get a good mastery of complex structures of language?
5. what kind of mistakes have you made in your writing?
step5: homework
write about your discussion. you may begin like this:
hello, everyone. my name is ___. i’m 321 model android. i work for the li family….
Unit 3 Computers 第3篇
unit 3 computers
1. calculate vt.
(1)计算，核算
e.g. the committee calculated the costs very carefully.
(2)估计
e.g. i calculate what it will cost.
(3)[美][口]以为；认为
e.g. i calculate all of them will come here.
(4)打算或计划做某事
e.g. this advertisement is calculated to attract the attention of children.
the loss has not yet been ____ accurately, but it is believed to be well beyond a hundred million dollars.
a. calculated b. consider c. completed d. controlled
2. compare v. & n.
(1)比较，对比
compare a with b 把a与b相比较 compare a to b 把a比作b
(2)vi. 与……类似、相似
compare with/to sb./sth. 比起某人、某物，与某人、某物相比
e.g. this school compares with the best in the country.
(3)独一无二的东西，举世无双
e.g. a diamond beyond compare
compare notes with sb.与某人交换看法（或意见等）
3.universal
(1)全世界的，共同的，全体的
e.g. agreement on this issue is almost universal.
(2)普遍存在的；广泛适用的
e.g. a universal problem
although i was young i could simplify difficult sums.
although引导让步状语从句。
4.simplify
a simplified text 简易读本
5. sum n. & v.
(1)n. [c]总数，总和
e.g. the sum of two and five is seven.
(2)n. [c]金额，钱数
e.g. it will cost an enormous sum to build the stadium.
(3)n.(pl.)算术题
e.g. tom is better at sums than i am.
(4)vt. & vi. 共计
e.g. sum up the figures
in sum总而言之 sum up总结，概括
6. before
(1)在……以前
e.g. he had left before i arrived.
(2)……之后才……
常用结构：it will be + 时间 + before +从句 多久之后才……
it will bot be + 时间 + before +从句 没过多久就会……
e.g. it will be three years before we meet again.
(3)（不久）就；还没来得及……就……
常见结构：it was(wasn’t) + 时间 + before + 从句
e.g. it wasn’t long before he returned from abroad.
7. artificial
(1)人工的；人造的；假的
an artificial flower/limb
(2)人为的；非自然的
e.g. an interview is a very artificial situation.
(3)虚假的；假装的
artificial emotion
8. intelligence智力，材质；消息，情报
e.g. use your intelligence.
secret intelligence
9. solve 解答；解决
辨析：
易混词辨析例句
resolve表示决心；解决困难；分解等。the conflict was resolved.
solve主要表示解答难题等。he has solved all the problems.
辨析：
易混词辨析例句
solve“解决”，侧重的是给出一个答案。solve a mystery/a puzzle/difficulties/a problem
settle“解决”，其对象通常是某种争端。settle an issue/an argument/a matter/a quarrel
10. from…on
from then/that time on从那时起 from now on从现在起
from… to…from morning to night
11. reality
辨析：
易混词辨析例句
reality“真实，实在”，指某事物的确存在。the film showed life in the poor area with great reality.
truth“真实，真理”，指对人或事实而言。this is an eternal truth.
12. share
share sth. with sb.
share sth. among/between sb.
share and share alike
13. application
apply 申请；应用
14. communication
(1)[u]交流，通讯
(2)[c]交通或通讯设备
15. finance n. & v.(finacial)
(1)n. 资金
e.g. finance for education
(2)n.[u]财政；金融；财务
e.g. the minister of finance财政部长 the finance director/department财务主任、财务科
(3)(finances)(pl.)（个人、组织、国家的）财力，财源，财务管理
e.g. buying the new house put a severe strain on our finances.
(4)v. 给……提供资金
e.g. he took a job to finance his stay in australia.
16.mobile adj. & n.
(1)adj. 非固定的，可移动的
e.g. mobile equipment a mobile shop a mobile hospital mobile home
(2)adj. 行动方便的，腿脚灵便的
(3)adj.易于变换社会阶层（或工作、住处）的，流动的
e.g. a mobile workforce
(4)adj. 多变的，易变的
e.g. she has a mobile face.
(5)n. 风铃，（可随风摆动的）悬挂饰物
17. explore vt.
(1)探测，勘察，探险
e.g. the oceans have not yet been fully explored.
(2)探究，仔细查阅
e.g. i’ll explore the possibility of getting a job here.
18. goal n.
(1)目标；目的
e.g. goals determine what you are going to be.
(2)进球；得分
e.g. get/make a goal
(3)球门
e.g. keep goal 守球门
achieve one’s goal kick a goal
19.provide…with…
e.g. they provided food and clothing for the homeless.
provide sb. with sth. = provide sth. to/for sb.
e.g. the sun provides us with light and heat.
provide against provide for sb.
辨析：
易混词辨析例句
provide“事先准备好”必需品来供应。
supply“补给不足”的人员或设备。the company supplies tents to the deparment.
20.download
upload上传 search engine搜索引擎 log on/in登录，上线
log off/out注销，下线 chat room聊天室 click点击
21. in reality
in fact in actual fact as a matter of fact
22. give away
(1)捐赠，赠送，分送
e.g. he gave away most of his money to the charity.
(2)分发，颁发
e.g. the headmaster gave away the prizes at the school sports day.
(3)泄漏，暴露
e.g. give away the secrets
(4)丧失，失去
e.g. he gave away his fortunate.
23. consist
consist of 由……组成 consist in 在于 consist with 与……一致
e.g. our team consists of 11 members.
happiness consists in health.
由……组成 用被动语态：be made up of be composed of
用主动语态：consist of
24. advantage
(1)优势，有点
e.g. i had the advantage of him.(=i was in a better position than he was.)
(2)利益，好处
e.g. there will be no advantage in doing….
take advantage of利用 be of advantage to对……有利 to the advantage of sb.对某人有利
辨析：
易混词辨析例句
advantage指在物质利益方面及竞争中所占的优势或有利条件。there will be no advantage in wasting time.
profit多局限于物或金钱的利益，指“利润”时，常用复数。the bank did not make profits last year.
benefit常用的词，可兼指物质和精神两方面的好处。the new factory will be a great benefit to the town.
25. reason
the reason why… the reason for which…
e.g. i want to know the reason why he failed the exam.
26. signal v. & n.
(1)v. 发信号；示意
e.g. mary was signaling to us.
(2)n.信号，暗号
(3)n. 电信号
e.g. tv signals a radio signal
in our class, when the bell and the teacher closed his book, it was a signal everyone to stand up.（它正是大家要起立的信号）(signal)
27. in a way = in one way
on the way by the way in the way
28. make up
(1)编排
e.g. he made up the name list.
(2)由……组成，构成 be made up of
(3)编造，捏造
e.g. the whole story is made up.
(4)凑足，补足或补齐某事物
e.g. we need 10,000 dollars to make up the sum required.
(5)弥补；补考
e.g. she’ll make up the final exam.
(6)化妆
e.g. she took over an hour to make up.
(7)铺床，支起（临时的床）
e.g. they made up a bed on the floor.
(8)与某人和解、和好
e.g. they quarreled but soon made up.
american indians ____ about five percent of the u.s. population.（ 浙江）
a. fill up b. bring up c. make up d. set up
29. after all
at all after all above all in all
why are you so anxious? it isn’t your problem after all.（毕竟这不是你的问题）(after all)
30.deal with 对待；对付；处理；与……交易；论述；涉及
e.g. this book deals with an important issue.
辨析：
易混短语辨析例句
deal withdeal是不及物动词。一般与how连用。i want to know how to deal with it.
do withdo是及物动词。一般与what连用。i want to know what to do with it.
31. watch over看管；照顾；看守；守卫
watch out注意，留神 keep a watch on监视
on the watch for看守，监视 set a watch on派兵守卫
32. spoil v. & n.
(1)v. 破坏；搞坏；糟蹋；毁掉
e.g. our camping trip was spoilt by bad weather.
(2)v. 溺爱，娇惯，宠坏
e.g. she spoiled her child.
(3)v. 善待，格外关照
e.g. spoil oneself
(4)v. （食物）变坏、变质
e.g. don’t eat the food because it spoiled.
(5)n. [pl.]战利品，掠夺物；成功带来的好处
e.g. the robbers divided up the spoils.
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