Unit 3 Computers（精選3篇）
Unit 3 Computers 篇1
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（藍色水世界） in the oriental suntown (東方太陽城) 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構成：
主動語態 被動語態
現在完成時 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. 只有及物動詞才有被動語態，不及物動詞（詞組）沒有被動語態, 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.但許多不及物動詞加介詞或副詞構成的短語動詞，相當于及物動詞，也可以有被動語態。
但短語動詞是一個不可分割的整體，變為被動語態時，不可丟掉構成短語的介詞或副詞。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: 高考鏈接(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 篇2
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 用于強調比較的程度
2. in a way, my programmer is like my coach.
in a way 在某種程度上…
in the way 擋道,造成障礙
in this way 用這種方法
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 編寫，補上
4. after all, with the help of my computer brain which never forgets anything, intelligence is what i’m all about.
after all 畢竟
with the help of sb./sth. 在…的幫助之下= 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 篇3
unit 3 computers
1. calculate vt.
(1)計算，核算
e.g. the committee calculated the costs very carefully.
(2)估計
e.g. i calculate what it will cost.
(3)[美][口]以為；認為
e.g. i calculate all of them will come here.
(4)打算或計劃做某事
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)比較，對比
compare a with b 把a與b相比較 compare a to b 把a比作b
(2)vi. 與……類似、相似
compare with/to sb./sth. 比起某人、某物，與某人、某物相比
e.g. this school compares with the best in the country.
(3)獨一無二的東西，舉世無雙
e.g. a diamond beyond compare
compare notes with sb.與某人交換看法（或意見等）
3.universal
(1)全世界的，共同的，全體的
e.g. agreement on this issue is almost universal.
(2)普遍存在的；廣泛適用的
e.g. a universal problem
although i was young i could simplify difficult sums.
although引導讓步狀語從句。
4.simplify
a simplified text 簡易讀本
5. sum n. & v.
(1)n. [c]總數，總和
e.g. the sum of two and five is seven.
(2)n. [c]金額，錢數
e.g. it will cost an enormous sum to build the stadium.
(3)n.(pl.)算術題
e.g. tom is better at sums than i am.
(4)vt. & vi. 共計
e.g. sum up the figures
in sum總而言之 sum up總結，概括
6. before
(1)在……以前
e.g. he had left before i arrived.
(2)……之后才……
常用結構：it will be + 時間 + before +從句 多久之后才……
it will bot be + 時間 + before +從句 沒過多久就會……
e.g. it will be three years before we meet again.
(3)（不久）就；還沒來得及……就……
常見結構：it was(wasn’t) + 時間 + before + 從句
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)人為的；非自然的
e.g. an interview is a very artificial situation.
(3)虛假的；假裝的
artificial emotion
8. intelligence智力，材質；消息，情報
e.g. use your intelligence.
secret intelligence
9. solve 解答；解決
辨析：
易混詞 辨析 例句
resolve 表示決心；解決困難；分解等。 the conflict was resolved.
solve 主要表示解答難題等。 he has solved all the problems.
辨析：
易混詞 辨析 例句
solve “解決”，側重的是給出一個答案。 solve a mystery/a puzzle/difficulties/a problem
settle “解決”，其對象通常是某種爭端。 settle an issue/an argument/a matter/a quarrel
10. from…on
from then/that time on從那時起 from now on從現在起
from… to…from morning to night
11. reality
辨析：
易混詞 辨析 例句
reality “真實，實在”，指某事物的確存在。 the film showed life in the poor area with great reality.
truth “真實，真理”，指對人或事實而言。 this is an eternal truth.
12. share
share sth. with sb.
share sth. among/between sb.
share and share alike
13. application
apply 申請；應用
14. communication
(1)[u]交流，通訊
(2)[c]交通或通訊設備
15. finance n. & v.(finacial)
(1)n. 資金
e.g. finance for education
(2)n.[u]財政；金融；財務
e.g. the minister of finance財政部長 the finance director/department財務主任、財務科
(3)(finances)(pl.)（個人、組織、國家的）財力，財源，財務管理
e.g. buying the new house put a severe strain on our finances.
(4)v. 給……提供資金
e.g. he took a job to finance his stay in australia.
16.mobile adj. & n.
(1)adj. 非固定的，可移動的
e.g. mobile equipment a mobile shop a mobile hospital mobile home
(2)adj. 行動方便的，腿腳靈便的
(3)adj.易于變換社會階層（或工作、住處）的，流動的
e.g. a mobile workforce
(4)adj. 多變的，易變的
e.g. she has a mobile face.
(5)n. 風鈴，（可隨風擺動的）懸掛飾物
17. explore vt.
(1)探測，勘察，探險
e.g. the oceans have not yet been fully explored.
(2)探究，仔細查閱
e.g. i’ll explore the possibility of getting a job here.
18. goal n.
(1)目標；目的
e.g. goals determine what you are going to be.
(2)進球；得分
e.g. get/make a goal
(3)球門
e.g. keep goal 守球門
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：
易混詞 辨析 例句
provide “事先準備好”必需品來供應。
supply “補給不足”的人員或設備。 the company supplies tents to the deparment.
20.download
upload上傳 search engine搜索引擎 log on/in登錄，上線
log off/out注銷，下線 chat room聊天室 click點擊
21. in reality
in fact in actual fact as a matter of fact
22. give away
(1)捐贈，贈送，分送
e.g. he gave away most of his money to the charity.
(2)分發，頒發
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)喪失，失去
e.g. he gave away his fortunate.
23. consist
consist of 由……組成 consist in 在于 consist with 與……一致
e.g. our team consists of 11 members.
happiness consists in health.
由……組成 用被動語態：be made up of be composed of
用主動語態：consist of
24. advantage
(1)優勢，有點
e.g. i had the advantage of him.(=i was in a better position than he was.)
(2)利益，好處
e.g. there will be no advantage in doing….
take advantage of利用 be of advantage to對……有利 to the advantage of sb.對某人有利
辨析：
易混詞 辨析 例句
advantage 指在物質利益方面及競爭中所占的優勢或有利條件。 there will be no advantage in wasting time.
profit 多局限于物或金錢的利益，指“利潤”時，常用復數。 the bank did not make profits last year.
benefit 常用的詞，可兼指物質和精神兩方面的好處。 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. 發信號；示意
e.g. mary was signaling to us.
(2)n.信號，暗號
(3)n. 電信號
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號）(signal)
27. in a way = in one way
on the way by the way in the way
28. make up
(1)編排
e.g. he made up the name list.
(2)由……組成，構成 be made up of
(3)編造，捏造
e.g. the whole story is made up.
(4)湊足，補足或補齊某事物
e.g. we need 10,000 dollars to make up the sum required.
(5)彌補；補考
e.g. she’ll make up the final exam.
(6)化妝
e.g. she took over an hour to make up.
(7)鋪床，支起（臨時的床）
e.g. they made up a bed on the floor.
(8)與某人和解、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.（畢竟這不是你的問題）(after all)
30.deal with 對待；對付；處理；與……交易；論述；涉及
e.g. this book deals with an important issue.
辨析：
易混短語 辨析 例句
deal with deal是不及物動詞。一般與how連用。 i want to know how to deal with it.
do with do是及物動詞。一般與what連用。 i want to know what to do with it.
31. watch over看管；照顧；看守；守衛
watch out注意，留神 keep a watch on監視
on the watch for看守，監視 set a watch on派兵守衛
32. spoil v. & n.
(1)v. 破壞；搞壞；糟蹋；毀掉
e.g. our camping trip was spoilt by bad weather.
(2)v. 溺愛，嬌慣，寵壞
e.g. she spoiled her child.
(3)v. 善待，格外關照
e.g. spoil oneself
(4)v. （食物）變壞、變質
e.g. don’t eat the food because it spoiled.
(5)n. [pl.]戰利品，掠奪物；成功帶來的好處
e.g. the robbers divided up the spoils.