初中英语牛津版 (深圳&广州)八年级上册(2013秋审查)Unit 3 Computers集体备课ppt课件
展开PDA Persnal Digital Assistant
I am s small in size that I can fit in yur hand. I usually have a small screen usually bigger than a digital phne, hwever smaller than the smallest laptp, I’m a great way t stre telephne numbers, access the internet, make calculatins, and s n. D yu knw wh I am?
Riddles (谜语)
I am very big. Scientists use me t slve sme mathematical prblems.
huge cmputer
D yu knw wh I am?
I can be used fr calculating. Besides, I can als be used fr watching DVD, sending e-mail and cmmunicating thrugh the Internet. Hwever, I am nt a PC, because I’m small enugh fr yu t take me with yu. D yu knw wh I am?
I am very small. I can be used fr calculating. In China, a lt f students use me when slving mathematical prblems. D yu knw wh I am?
PC Persnal Cmputer
I’m a small, relatively(相对) inexpensive cmputer designed fr an individual(个人) user. I’m based n the micrprcessr technlgy. At hme, peple use me t surf the Internet and play games. D yu knw wh I am?
I am very ld nw. I was brn in China. Many peple used me fr calculating in the past, but nw I am a bit lnely because they dn’t like me nw. D yu knw wh I am?
Can yu tell the develpment f cmputers?
What’s next?
1. The __________shws wrds and pictures.2. We use the _________fr typing.3. The “brain” f a cmputer is in the ___________.4. We mve the _________ t cntrl the cmputer.5. We hear sund frm the _____________.
n. 显示器 n. 班长
Write ut all the wrds yu knw which is related with cmputers.
nline/ffline
dcumentsfiles
Cmputer Facts
Smaller and betterIn the 1940s, the first cmputers were bigger than cars. Nw cmputers are becming smaller and better.Sme cmputers are tiny. Yu may be unaware f them. There is prbably ne inside yur TV r washing machine. Yu depend n cmputers mre than yu realize.
in the +年代复数 在…年代
tiny adj. 极小的 【同】very small
unaware adj. 未察觉的,未意识到的 【变】aware adj. awareness n. 【搭】be unaware f 没有意识到 =nt knw/realize/ntice
washing machine 洗衣机
depend v. 依赖,依靠【变】dependent adj. 依赖的 dependence n. 依赖性 independent adj. 独立的【搭】depend n =rely n/ask help frm sb.
What can we d with cmputers?We can use cmputers t calculate. They can calculate at a faster speed than we can and almst never give wrng answers. We can als type and draw things with them. In additin, cmputers can d imprtant jbs like perating railways and flying planes and spaceships.
What…d with sth. ? 如果处理? =Hw…deal with
use sth. t d sth. 用…做…=use sth. fr ding sth.
calculate v. 计算【变】calculatin n.计算 calculatr n.计算器
speed n.速度 =hw fast a persn/thing mves【搭】at a/the speed f…以…的速度
almst adv. 几乎,差不多【同】nearly 【搭】almst never=hardly 几乎不
type v. 打字【变】n. 种类 typist n.打字员
in additin 除…之外【同】besides, what’s mre【搭】in additin t+sth./sb.
perate v. 操作,作手术【同】cntrl=run=make sth. wrk【变】peratin n.手术,操作 peratr n.操作者【搭】perate n sb. 给…做手术
Is a cmputer cleverer than me?The answer is “N”. Yur brain can prduce new ideas but cmputers cannt. Hwever, ne day cmputers may be able t d a better jb than human beings. Fr example, they may be better than dctrs at ding their jb.What will happen t us if cmputers can d all ur jbs? Will we have nthing t d? Cmputers may change ur lives, but will they make them better?
brain n. 脑【变】brainstrm 头脑风暴
happen t sb. 发生在…
Have nthing t d. but d 无事可做只能
【变】 rder v. 订购, 预定; 命令
n. 订购,订货;命令
【搭】 rder sb. (nt)t d sth. = ask/tell sb. (nt) t d sth.
老师让命令我们去点外卖。
The teacher _________us ________sme takeut/take-away.
【搭】 bey the rder 听从命令; in rder t d... = s as t “为了做……” in rder that +从句 “为了…”
e.g. We wrk hard in rder t (s as t) be respected by thers.
为了尊严我们必须努力学习。
【变】 cmparisn n. 比较
Let's cmpare this pht ________that ne.
【辨】 cmpare with “跟……比较” 用于两个同类事物之间
cmpare t “把……比作…” 用于两个不同性质的事物比较。
Children are ften cmpared_______ happy birds.
n cmparisn n harm.
/kənˈtrəul/
v. 操纵, 控制 n. 控制
【变】 cntrller n. 控制者
【搭】 be ut f cntrl 失控; be within ne’s cntrl 在某人的控制下; take cntrl f 控制
The man is __________cntrl.
Everything is ___________ my cntrl.
under/within
/ɪkˈspensɪv)/
【同】 dear =cst a lt f mney;
【变】 inexpensive 便宜的=cheap
The car is________ expensive _______ I can’t affrd it.
They believe that she has 10 bks in ttal.
【搭】 in ttal 总共 a ttal f 总数为 grand ttal 总计,共计
n. 英寸 (pl.) inches
【变】 sell ut 卖完, 售罄 sell yurself 自我行销;把自己卖出去
Hw shuld yu sell yur prduct?
【译】你怎样卖出你的产品?
/ˈpɔpjʊlə/
【同】 liked by many peple
【变】 ppularity n. 普及, 流行;
【搭】 ppular with /amng
The man is very ppular ___________girls.
/ˈkʌmpəni/
【拓】What‘s the price f… =Hw much is. . . 价格是多少?
【搭】 high/ lw price 高价/低价
【同】 business, crpratin 【变】 n. 同伴
I need sme water __________(water) these flwers which need __________(water) .
【拓】 need sb./sth. 需要 sb. need t d sth 某人需要去做某事 sth. need ding 某物需要被
【拓】 like t d sth/ like ding sth 喜欢做… wuld like t d sth. /feel like ding sth. 想要做…
【拓】 be like 指人的性格、品质 lk like 指人的外貌
What’s she like?What des she like?What des she lk like?
She is very friendly and nice.
She is tall and thin.
She likes running and jumping.
Ⅰ. 单项选择i. 从下面每小题的A、B、C三个选项中选出可以替换划线部分的最佳选项( )1. —Ivy, if yu dn’t train mre, it’s hard fr yu t cntrl the machine.—Yes. I will try t practise mre.A. brrwB. fllwC. Operate( )2. —What’s the price f the blue sprts shes?—$200.A. Hw muchB. Hw much areC. What ( )3. —Are yu ging t watch the ltus shw this weekend?—It all depends n the weather.A. relies nB. decide nC. lks( )4.The cmputer can perate the railway system.A. makeB. penC. cntrl( )5. —Mr Smith was unaware f the danger.—Why didn’t yu remind him?A. didn’t realizeB. was surprised atC. didn’t think
( )6. —The dress n the right is nice, but it is expensive.—Yu can have it at half price.A. quite lw in priceB. very large C. nt cheap( )7. —May I help yu?—Yes, I’d like t buy a tiny mdel camera, because it’s easy t carry.A. very cheapB. very newC. very small( )8. —I am lking frward t meeting yu sn.—S am I.A. expecting t seeB. hping t seeingC. wish t meeting( )9. Sme yung peple always depend n their parents.A. helpB. need help frmC. live with( )10. I knw nthing abut the machine, s I can’t perate it.A. useB. fixC. find
ii. 根据句子意思,从下面每小题的A、B、C三个选项中选出恰当的词汇完成句子( )11. The “brain” f a cmputer is in the ________.A. mnitrB. keybardC. main unit( )12. T ________ means t examine r lk fr the difference between tw r mre things.A. sellB. prvideC. cmpare( )13. —I ________ meeting Jhn. I am missing him very much.—Me t. We haven’t seen him fr abut tw years.A. lk frward tB. get used t C. thank yu fr( )14. —What des the ________ f the cmputer d?—It shws wrds, pictures and s n.A. mnitrB. keybardC. muse( )15. Mary will ________ a nurse in the Children’s Hspital next year.A. wrk nB. wrk asC. wrk at
( )16. —________ is the laptp?—The price is ________. It cst me 9,000 yuan.A. Hw many; lwB. Hw much; highC. Hw much; expensive( )17. —The washing machine is easy t ________.—S it’s cnvenient t use.A. cpyB. checkC. perate( )18. —The car lks cl. ________, it’s gd t the envirnment because it uses electricity instead f il.—We’ll take it.A. In additinB. As wellC. Fr example( )19. —Why did yu buy this type f cmputer but nt that ne?—Oh, because this type is ________ and ________ than that ne.A. expensive; betterB. cheap; betterC. cheaper; better( )20. ________ is hw fast smene r smething mves.A. PriceB. SpeedC. Weight
Ⅱ. 用所给词的适当形式填空1. China is ne f the biggest _______________(cuntry)in the wrld.2. There are sme ants n the table, but she is _______________(aware)f them.3. Wh is _______________(gd)at English, Jack r Julie?4. Linda is the _______________(excellent)student in this schl.5. Mr Green, Jack is lking frward t _______________(meet)yu.6. Last night the man caught three _______________(muse)in the fields.7. Can yu hear any sund frm the _______________(speak)?8. The dctr is ding an _______________(perate)n the patient.9. Is he able _______________(cntrl)the whle cuntry?10. D yu need _______________(g)at nce?11. Is Mike’s sister gd at _______________(type)?12. Watermelns are _______________(big)than apples.13. She is _______________(aware)f the truth because nbdy tells her.14. Yur MP5 is nt s _______________(expensive)as his.15. They _______________(sell)all the bks an hur ag.
mst excellent
Ⅲ. 真题再现( )1.(盐田区期中)Health ________ gd fd, prper exercise and enugh sleep.A. lks upB. agrees withC. depends n( )2.(亚迪期中)All f us are lking frward ________ the cming sprts meeting.A tB take part inC t taking part in( )3. (深圳期中)—D yu cntrl tw cmputers at the same time when this machine wrks?—Yes. The wrk is nt easy t d.A. sellB. perateC. push( )4.(深圳中学期中)We are prud that the Renaissance EMU train between Beijing and Shanghai can run at a ________ f 350 kilmeters per hur nw.A. distanceB. priceC. speed( )5.(沙湾中学期中)—Which way d yu like t travel?—I like t travel by air. It’s fast. ________, it’s safe and cnvenient.A. HweverB. In additinC. Because
( )6. —D yu miss yur hmetwn?—Yes. I miss it very much. I didn’t realize hw much I lved it.A. was nt fnd fB. was unaware f C. almst frgt( )7. —Mary will ________ a nurse in the Children’s Hspital next year.—Really. Gd news! She is always______ helping the yung patients.A. wrk as; lking frward t B.be famus as; lking fr C. wrk fr; lking after( )8. (统考期中)—When yu _____ these tw things, yu can knw mre abut them.—That’s true. First, let me find their differences.A. includeB. cmpareC. cmplete( )9. (深圳学业水平阳光卷)—Henry, I think the _________ f huses in Shenzhen is t high.—That’s true. We aren’t able t affrd ne.A. prizeB. priceC. Distance( )10. (深圳翠园期中)A(n)_________ iPad means that it is nt cheap if yu want t buy ne.A. expensiveB. cmpleteC. excellent
“Hw wuld yu describe me?”
“ABCDEFGHIJK.”
“What des that mean?”
“Amazed, beautiful, cute, delightful, elegant, fashinable, grgeus, and…. ht.”
“Aw, thank yu, but what abut IJK?”
“I’m just kidding!”
“Wh can help me?”
你知道IJK有关的形容词吗?
形容词,简称adj.,主要用来修饰名词或代词,表示人或事物的性质、状态,和特征。在句中作定语,表语,宾补。
定语(adj + n.)表语(系动词 + adj) 宾补(Make/keep + sb + adj)
Prince Harry wh is wealthy and handsme will marry an rdinary girl.Kate has given birth t the third baby wh makes queen happy and excited.
①--jy/pain/peace/meaning/thught/care/use/hpe/help②--centre/nature/natin/traditin/culture/educatin ③--suit/value/cmfrt/change/rely/drink/eat④--create/attract/impress/effect/expense/act ⑤--lively/friendly/lnely/likely/deadly/yearly/daily
It is +Adj.+fr sb. + t d sth.
①:对某人来说,做某事是…..
fr前面的形容词常为easy, difficult, imprtant, 等表示不定式动词的特性, 相当于t d sth. is +adj.
It is nt easy fr us t keep away frm phne games.
It is +Adj.+f sb. + t d sth.
②:某人…..,做了……
f 前的形容词常为nice, wise, careless, clever, selfish 等都是描述行为者的性格品质的,相当于sb. is adj. t d sth
It is nt wise fr him t quit schl at an early age.
句型1:adj.+ enugh t d sth 足够。。。去做某事
句型2:have enugh +n. +t d sth 有足够…去做某事
Tim is intelligent enugh t slve this prblem.
Tim has enugh time t slve this prblem.
=Tim is s intelligent that he can slve this prblem.
-ed & -ing的区别
以-ing结尾的形容词通常表达事物给人的感觉。常译为:“使人…的,让人感到…的”
以-ed结尾的形容词通常表达人对事物的感觉。常译为:“感到…的,觉得…的”
【练】relaxing ,relaxed They feel_____________ after listening t the ___________music.
肯定: as+形容词原级+as “与…一样…”否定:nt as/s+形容词原级+as “不如…”表示倍数:倍数+ as+形容词原级+as “…倍”
I bught a car which is as __________(expensive) as yurs.This cmputer can calculate _____(tw) as ______(fast) as that ne.
be +比较级+than; “比…更…”much,little,even,far修饰比较级,放置比较级前; 比较级A +and+比较级A “越来越…”The+比较级A+主+谓,the+比较级B+主+谓 “越…,就越…”
Susan is much ___________ (hnest) than her brther.The day in winter is getting _______and______ (shrt).The mre exercise yu d, the ________(healthy) yu will be.
表倍数: be +倍数+比较级+than……比较级+than any ther+单数名词/the ther复数名词比较级+than any+单数名词
这个尺子是那个尺子的三倍长. ________________________________中国比亚洲其它国家都要大。________________________________中国比非洲其它国家都要富裕。________________________________
This ruler is twice lnger than that ne.
China is larger than any ther cuntry in Asia.
China is larger than any cuntry in Africa.
基本句型:the + 最高级+名词+in/f/amng+范围the+序数词+最高级+名词 ne f +the+最高级+名复+in/f/amng +范围
Hainan Island is ne f the ______(large) ________(island) in China.Yangtze River is the first ________(lng) river in China.Yy is ur class’ _______(brave) by.
Ⅰ. 请写出下列形容词的比较级和最高级1. tiny____________ ____________ 2. large____________ ____________3. fat ____________ ____________ 4. many____________ ____________5. slw____________ ____________ 6. expensive ____________ ____________
Ⅱ. 用所给词的适当形式填空1. Li Lei is the _______________(tall)student in ur class.2. Lucy is _______________(fat)than Kate.3. My brther is much _______________(yung)than yu.4. This bx is the _______________(heavy)f the three.5. Unit One is much _______________(easy)than Unit Tw.6. I think Maths is the _______________(difficult)subject f all.7. Winter is the _______________(cld)seasn f the year.8. This street is _______________(narrw)than that ne.9. Wh is _______________(busy), yu r I?10. Kate is ne f the _______________(clever)girls in her class.
mst difficult
mre expensive
mst expensive
Ⅲ. 单项选择( )1. Which language is ________, English, French r Japanese?A. easyB. the mst easy C. the easiestD. much mre easy( )2. Shanghai is ne f ________ in the wrld.A. the biggest cityB. the biggest citiesC. bigger citiesD. biggest cities( )3. —Which is the ________ seasn in Beijing?—I think it’s spring.A. gdB. wellC. betterD. best( )4. —This basketball team is s strng that the ther teams can hardly ever beat them.—Yu mean they ________ lse the matches?A. smetimesB. seldmC. alwaysD. ften( )5. I think science is ________ than Japanese.A. imprtant B. much imprtantC. much mre imprtantD. mre much imprtant
( )6. We all like English. I’m ________ at it. Tim is ________ at it than me.A. gd; betterB. gd; gdC. better; gdD. better; better( )7. We shuld try ur ________ t make ur city ________.A. best; mre beautifulB. the best; the mst beautifulC. best; mst beautifulD. the best; mre beautiful( )8. Remember, bys and girls. ________ yu wrk, ________ result yu will get.A. The better; the harderB. The harder; the betterC. The hard; the betterD. The harder; the gd( )9.(深圳高级中学期中)—Which d yu think is ________ f the bks?—I’d prefer the ne abut the Qing Dynasty.A. Mre interestingB. the mst interestingC. the mre interesting( )10.(深圳高级中学期中)—The cake lks ________.—Yes, and it tastes even ________.A. well; gdB. nice; betterC. gd; wrse
( )11.(广州中考)The actress is already 50, but she lks ________ than she really is.A. yung B. mre yungC. mre yungerD. much yunger( )12.(江西中考)—The scarves are all beautiful. I can’t decide which ne t chse.—I think the blue ne is ________.A. beautiful B. mre beautifulC. the mst beautifulD. less beautiful( )13.(辽宁沈阳铁西区期末)Nw telephnes are very ppular and they are much ________ than befre.A. cheapB. cheaperC. cheapestD. the cheapest( )14.(广东广州中考)Emma lked after her pet dg ________ f all her friends.A. careful B. the mst carefulC. mre carefullyD. the mst carefully( )15.(重庆中考)He has ________ arms nw and is able t pick the table up with ne hand.A. weakestB. weakerC. strngestD. strnger
Susan was a quiet girl and she had few friends. She was a bit nervus when she went t high schl, because she was ging t live with smene she didn’t knw in a twn, 300 miles away 1_______________ hme. She had n idea hw t make friends in the new envirnment.2. _______________ things were nt bad in Susan’s high schl life. In her first English class, the teacher asked all the students t talk abut 3. _______________(they). And the final questin fr each student was “4. _______________ is yur gal(目标)in this class?” Mst f the students said it was t get gd grades, pass the exams r smething like that, but Susan said that her gal was 5. _______________(make)just ne gd friend. It was quite 6. _______________(difference).When mst f the students sat 7. _______________(quiet), ne student came t Susan. He held ut(伸出)his hand and intrduced himself. He asked if she wuld be his friend. All f the students lked at Susan. She smiled and tk his hand. Later, the by became Susan’s 8. _______________(gd)friend.That day, Susan learned 9. _______________ pwer f asking fr what she wanted, 10. _______________(be)hnest and taking actin.
themselves
The Histry f the InternetSme scientists in the US first had the idea f linking cmputers tgether 1. _______ the 1960s. They wanted cmputers in universities, research departments and the military(军队)2. _______________(cmmunicate)with each ther.At that time, cmputers 3. _______________(fill)whle rms and were difficult 4. ________(use).5. _______________(slw), many researchers started t link their cmputers tgether. Then in the 1980s the Internet was pened t business and 6. _______________(persn)use. Tday, peple all ver the wrld are using the Internet.There are many ways t use the Internet. Fr example, we can use it t cmmunicate with ther peple. The 7. _______________(ppular)way t cmmunicate is thrugh electrnic mail, r “email”. We can als use nline messenger services t send messages t peple.The Internet allws us t use the Wrld Wide Web(als knwn as WWW r the Web).The Web is made up f many cnnected pages f infrmatin. We can use the Web t play games, read the news 8. ________ learn abut favurite stars and 9. _______________(sing).The Internet has changed the way we live. It allws us t explre(探索)10. _______ whle wrld frm the tp f ur desk.
t cmmunicate
mst ppular
随着因特网的普及,网络对人们的生活影响越来越大。那学生们要不要上网呢?家长们对此意见不一。请谈谈你的看法。要求:1. 80词左右; 2. 条理清楚,意思连,语句通顺,标点正确。参考词汇:1. pen the children’s eyes; 2. get much knwledge frm the Internet;3. bring children a lt f jy and help; 4. make mre friends;5. a waste f time; 6. t much bad infrmatin; 7. be bad fr
思路点拨:1. 开头:说明现今网络发展得很快,应用很广泛,但是学生使用电脑有好处也有坏处2. 发表自己的观点,利与弊作详细描写3. 总结我们学生应该怎么做
写作实践:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
The impact f the Internet n the way peple cmmunicateWe shuld be satisfied and enjyable because the Internet was built many years ag. Hwever, the cmplex impacts always make us cncern.In fact, every cin has tw sides. The Internet is n exceptin. If we use the Internet in crrect ways, such as learning and cmmunicatin, we can cntain duble gd effects. But when we use the internet in incrrect ways, maybe we will d sme harms t bth urselves and thers. Once we are addicted t nline games r d sme illegal things, we will be likely t lse the happiness f life frever. We shuld always remember that the family is the mst imprtant things. Dn’t cause gap between relatives because f the Internet. We ught t cmmunicate with ur parents face t face in place f playing games.In a wrd, we must make gd use f the Internet and make ur yuth shine.
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