廣州新版八年級(jí)上冊(cè)Unit3Computers

廣州新版八年級(jí)上冊(cè)Unit3Computers廣州新版八年級(jí)上冊(cè)Unit3Computers廣州新版八年級(jí)上冊(cè)Unit3ComputersV:1.0精細(xì)整理，僅供參考廣州新版八年級(jí)上冊(cè)Unit3Computers日期：20xx年X月Unit3Computers課文重難點(diǎn)詳解Inthe1940s,he1940s意為“在20世紀(jì)40年代”，例：在20世紀(jì)50年代表示在某個(gè)年代初期或末期，可以在年份前加early或late.例：intheearly1940sYoumaybeunawareofthem.beunawareof意為“未察覺(jué)，沒(méi)有意識(shí)到”譯：那個(gè)男孩沒(méi)有意識(shí)到危險(xiǎn)。ThereisprobablyoneinsideyourTVorwashingmachine.one此處用作代詞，用于泛指前面提到過(guò)的名詞。辨析：one和itone泛指上文提到的同類(lèi)事物中的一個(gè)Ilostmypen.Imustbuyone.it特指上文提到的同一物品Thecoatishers.It’sverybeautiful.例：Thebananapietastesdelicious.CouldIhaveanother

AoneBitCthisDthatYoudependoncomputersmorethanyourealize.dependon意為“依靠，指望”，主語(yǔ)可以是人，也可以是物，其含義有所不同。人 依靠dependon物取決于dependentadj.依賴(lài)的，反義詞：independent“獨(dú)立的”dependon=bedependenton譯：shedependsonustohelpher.Ourplandependsontheweather.Computersalmostnevergivewronganswers.almostnever=hardly意為“幾乎不”辨析：hardly和hardhardly“幾乎不”Alicehardlywearsskirts.hard“努力地，困難地，猛烈地”Itrainedveryhardlastnight.6.However,onedaycomputersmaybeabletodoabetterjobthanhumanbeings.beableto意為“能夠”，后接動(dòng)詞原形。7.Willwehavenothingtodo

todo為動(dòng)詞不定式，此處用來(lái)修飾nothing,如果不定式中的動(dòng)詞是不及物動(dòng)詞，需要帶上必要的介詞。例：Doyouwantsomethingtodrink

Thereisawarmclothestolivein.例：---Whydon’tyougoouttoplay,Rose?---I’mafraidIcan’t.Ihavemuchhomework.AdoBdoesCdoingDtodo8.Whatwerethefirstcomputerslike?What+be+主語(yǔ)+like意為“......怎么樣”,like是介詞，意為“像，相似”

譯：今天天氣怎么樣？辨析：what’ssblike,whatdoessblike與whatdoessblooklikeWhat’ssblike“某人如何”用于詢(xún)問(wèn)某人的性格，品質(zhì)等Whatdoessblike“某人喜歡什么”用于詢(xún)問(wèn)某人的愛(ài)好Whatdoessblooklike“某人長(zhǎng)什么樣”用于詢(xún)問(wèn)某人的外貌9.Someyoungpeoplealwaysneedhelpfromtheirparents.need用法總結(jié)：needsb/sth需要某人或某物例：Ineedapentowritewith.②sbneedtodosth某人需要去做某事例：Heneedstohaveagoodrest.③sthneeddoing某物需要被...例：Mybikeneedsrepairing.④needn’t用來(lái)回來(lái)Must提出的問(wèn)句例：--MustIbringmyhomeworknow--No,youneedn’t.重點(diǎn)語(yǔ)法：形容詞的比較級(jí)和最高級(jí)分為規(guī)則變化和不規(guī)則變化

規(guī)則變化如下:

1)單音節(jié)形容詞的比較級(jí)和最高級(jí)形式是在詞尾加-er和-est構(gòu)成；

great

long

2)以-e結(jié)尾的單音節(jié)形容詞的比較級(jí)和最高級(jí)是在詞尾加-r和-st構(gòu)成；

wide

nice

3)以輔音字母+y結(jié)尾的形容詞，比較級(jí)和最高級(jí)是把y去掉,加上-ier和-est構(gòu)成；

happy

empty

5)輔元輔的形容詞，比較級(jí)和最高級(jí)是雙寫(xiě)該輔音字母，再加-er和-est；

big

fat

6)部分雙音節(jié)和多音節(jié)形容詞，比較級(jí)和最高級(jí)需用more和most來(lái)構(gòu)成。

beautifuldifficult

常用的不規(guī)則變化的形容詞的比較級(jí)和最高級(jí):

good/well------better------best

many------more------most

much------more------mostlittle-----less----least

bad/ill------worse------worst

far------farther/further---farthest/furthestold----older/elder------oldest/eldest

形容詞前如加less和least則表示"較不"和"最不"

important重要lessimportant較不重要leastimportant最不重要

形容詞比較級(jí)的用法

1.兩者比較時(shí)用形容詞比較級(jí)，其結(jié)構(gòu)為“...比較級(jí)+than...”如：Actionsspeaklouderthanwords.

2.在兩者之間選擇“哪一個(gè)更……”時(shí)，用句型“Which/Whois+比較級(jí),...or...

”

如：Whichsweaterischeaper,theredoneortheyellowone?

3.表示“兩者之間最……的一個(gè)”時(shí)，用“the+比較級(jí)”如：Lucyisthetallerofthetwins.

4.表示“越……，越……”時(shí)，用“the+比較級(jí)，the+比較級(jí)”如：Themoreyoueat,thefatteryouwillbecome.

5.表示“越來(lái)越……”時(shí)，用“比較級(jí)+and+比較級(jí)”，多音節(jié)詞和部分雙音節(jié)詞用“moreandmore+形容詞原級(jí)”如：Weshouldmakeourcountrymoreandmorebeautiful.

6.形容詞比較級(jí)前可以用下列詞修飾：much,alittle,far,abit,afew,alot,even,still,rather等如：It'smuchcoldertodaythanyesterday.

表示“最……之一”時(shí)，用“oneof+the+最高級(jí)”如：Thelightbulbisoneofthemosthelpfulinventions.Unit3同步練習(xí)Theworkersspenttwoyearsmyhouse.AbuildBbuildingCbuildsDhuilt---HowoftendoesBobplaytennis.---.AEveryday.BForayear.CAweekagoDAmonthlater.---WouldyoulikeTV-

--I’dloveto,butIhavelotsofhomeworktodo.

AwatchingBtowatchCseeingDtoseeWe’relookingforwardthefootballgametomorrow.AtoBatConDofI’mhungrynow.Let’sstop.AhavingamealBhavingarestCtohaveamealDtohavearest6.Thatbeautifulskirtiscotton.AmadeofBmadeintoCmadefromDmadeupof7.Whatshallweifwegoforapicnic?

AbringBtakeCcarryDget8.Thisboxis___thatone.

A.heavythanB.soheavythanC.heavierasD.asheavyas

9.Whenwespeaktopeople,weshouldbe'.

A.aspoliteaspossibleB.aspoliteaspossibly

C.aspolitelyaspossibleD.aspolitelyaspossibly

10.Thisbookis____thatone,but____thanthatone.

A.asdifficultas;expensiveB.asmoredifficultas;moreexpensive

C.asdifficultas;moreexpensiveD.moredifficultas;asexpensive

11.Ithinkthestoryisnotso___asthatone.

A.interestingB.interestedC.moreinterestingD.mostinteresting12.Hisfatherbegantowork____hewassevenyearsold.

A.asoldasB.asearlyasC.sinceD.while13..Ithinkscienceis____thanJapanese.

A.muchimportantB.importantC.muchmoreimportantD.moremuchimportant

14.Thispencilis_____thanthatone.

A.longestB.longC.longerD.aslong

15.Mymotherisno______young.

A.shorterB.longerC.littleD.few

16.Thesechildrenare________thisyearthantheywerelastyear.A.moretallB.moretallerC.verytallerD.muchtaller17.Itwasveryhotyesterday,butitis______today.

A.evenhotterB.morehotter

C.muchmorehotD.muchhot

18.MrsBlackhasgot______insteadofgettinganybetter.A.morebadB.alittleworseC.muchbadlyD.alotofworse完型填空Allmyfamilymembersliketousecomputers.WeliveinChina,1myunclelivesinAustralia.Myfatherandmyuncleoften2emailstoeachother.Sometimes3chat（聊天）online.Mymotherisa4inamiddleschool.Sheoften5thecomputerforherlessons.Shealsogetsinformationforherlessons6theInternet.MybrotherandIliketo7computergames.IliketoplayCounterStrike,buthelikestoplayTombRaider.My8don’tlikeustoplaythemtoolong.Theysaythatplayingcomputergamestoolongisbadforour9andstudy.Webothlike10,too.SosometimeswedownloadsongsfromtheInternettoourMP3players.()1.A.but B.and C.orD.so()2.A.make B.send C.giveD.write()3.A.we B.you C.theyD.I()4.A.doctor B.teacher C.studentD.student()5.A.plays B.buys C.usesD.does()6.A.in B.on C.withD.at()7.A.make B.do C.playD.get()8.A.parents B.friends C.fatherD.mother()9.A.legs B.ears C.eyesD.faces()10.A.music B.English C.filmsD.books閱讀理解Wearealreadyfamiliarwithcomputers—computersworkforusathome,inofficesandinfactories.Butitisalsotruethatmanychildrentodayareusingcomputersatschoolsbeforetheycanwrite.WhatdoesthismeanforthefutureArethesechildrenluckyornot

Manypeoplewhodonotknowaboutcomputersthinkofthemasmachinesthatchildrenplaywith.Theyworrythatchildrendonotlearnfromexperiencebutjustfrompressingabuttonandthatthisisnotgoodforthem.Theythinkthatchildrenaregrowingnotknowingabouttherealworld.Butpeoplewhounderstandmoreaboutcomputerssaythatcomputerscanbeverygoodforchildren.Acomputercanhelpthemtolearnabouttherealworldmorequickly,tolearnwhattheywanttolearnandthinkforthemselves.Andforthefuture,don’tweneedpeoplewhocanthinkclearly,whoknowhowtogetinformationquicklyanduseitwellWhatdoyouthink

1.“Tobefamiliarwith”meansto______.A.knownothingB.knowaboutC.dislikeD.like2.Doeseveryonethinkcomputersaregoodforchildren?A.Yes,theydo.B.No,noteveryonethinksso.C.Theydon’tknow.D.Theyarenotsure.3.Whatcancomputershelpchildrentodo?A.Tothinkclearly,todohomeworkandtowrite.B.Toplaygames,todomathandtocopy.C.Tothinkclearly,togetinformationandtouseitwell.D.Tocount,tocleanthehouseandtogetinformation.4.Doesthewriterthinkcomputerisagoodthing?A.Wedon’tknow.B.No,hedoesn’tthinkso.C.Hedoesn’tknow.D.Yes,hedoes.一、短語(yǔ)知識(shí)點(diǎn)總結(jié)1、inthe1940s

在20世紀(jì)90年代的時(shí)候

=inthe1940's

3、smallerandsmaller越來(lái)越小

比較級(jí)+比較級(jí)

越來(lái)越……

4、beunawareof~沒(méi)意識(shí)到……

5、insideprep.在……里面

6、dependv.依靠，依賴(lài)

dependentadj.依賴(lài)的，依靠的；dependableadj.可靠的

dependon/upon依靠，依……而定

dependonit毫無(wú)疑問(wèn)，沒(méi)問(wèn)題Italldepends.這也難說(shuō)，要看情況而定。

7、dowith~處理(與what搭配）

dealwith~處理（與how搭配）8、atafasterspeed以(用）一個(gè)更快的速度用工具withhands/ears/eyes/computers用聲音inalowvoice用語(yǔ)言inEnglish用材料inink,pen以?xún)r(jià)格atthehighprice以速度atafullspeed

9、givewronganswers=giveawronganswer給出錯(cuò)誤的答案

10、with

prep.和……人一起

具有……

用……

11、addition

n.加法，增加物inaddition=besides另外

inadditionto=aswellas除了……之外

12、like

v.喜歡prep.像……likesth喜歡某物

liketodosth=likedoingsth喜歡做某事

13、oneday（過(guò)去或?qū)?lái)的）某天

someday

(將來(lái)的）某天

14、beabletodosth=can

能夠做某15、Forexample例如（一個(gè)例子）

Suchas例如（多個(gè)例子）16、bebetteratdoingsth更擅長(zhǎng)做某事

begoodatdoingsth

擅長(zhǎng)做某事begoodfor...對(duì)…有好處begoodto...對(duì)…友好17、havenothingtodo無(wú)事可做

18、makev.制作，使得，讓makesbdosth.使得某人做某事makesbadj使得某人……19.fact

n.事實(shí)，真相

Infact

事實(shí)上，其實(shí)=Asamatteroffact事實(shí)上，其實(shí)

二、

MorePractice

1．Thankyou/thanks

for(doing)sth因……而感謝某人2．With+n./prep/doing

有……

Without+n./prep/doing

沒(méi)有……，缺乏……3．OntheInternet在網(wǎng)上4．Usedtodosth過(guò)去常常做……Beusedtodoingsth習(xí)慣做某事5．Sbspendtime/moneyonsth某人在某物上花錢(qián)/時(shí)間

Sthcostsmoney某物花錢(qián)

Payforsth為某物付錢(qián)

Ittakessbsometimetodosth花某人多少時(shí)間做某事6．Infrontof在……的前面(范圍之外）

Inthefrontof在……的前面（范圍之內(nèi)）7．Bebadfor對(duì)……有害8．Givesomeadvice給建議9．Hopeforsth希望得到某物

Hopetodosth.希望做某事Hope(that)+句子希望……10．Stoptodosth停下來(lái)去做某事（做別的事）

Stopdoingsth停止做某事（停止正在做的事）Stopsbfromdoingsth阻止某人做某事

Bydoingsth通過(guò)做某事12.

Haveto不得不……（客觀的）Must必須（主觀的）13.

Howoften多久一次（問(wèn)頻率）14.

Much+比較級(jí)

……的多15.

Oneof+最高級(jí)+n.(Pl.)

……之一16.Become+adj變得……17.Lookforwardto(介詞）期望……

在介詞后面加動(dòng)詞，都加動(dòng)詞的ing形式。

三、同步講與練1.

Stopworking!Let′s

stop

tohave

lunch.1.Stop________!Ourteacheriscoming.

A.talk

B.totalk

C.talking

D.talked2.Onmywayhome,Imetanoldfriendandstopped_______atalk.(have)2.They’llalsogivesomeadviceonhowtousecomputersfor

studying.他們也會(huì)給一些關(guān)于怎樣利用網(wǎng)絡(luò)學(xué)習(xí)的建議。

give(sb)someadviceon

howtodo---

關(guān)于某方面的建議（advice不可數(shù)）怎樣做某事（必須接賓語(yǔ)）=give(sb)someadviceon

doing---1.王教師昨天給了我們一些如何學(xué)好英語(yǔ)的建議.DrWanggaveus_______________

_____

_____

______Englishwell.2.Idon’tknow_________thecomputer.

A.whattouse

B.whatusing

C.howtouse

D.howusing3.

Ihopewecanallworktogethertostopstudentsfromspendingtoomuchtimeplayingcomputergames.(p.45)stop

sb.

fromdoing阻止某人做---

sb.spendsometimeon/(in)doing某人花錢(qián)、花時(shí)間做某事

1.我們的環(huán)境越來(lái)越差了，我們應(yīng)該阻止人們砍伐樹(shù)木。

Ourenvironmentisbecomingworseandworse,weshould

____people__________downtrees.

2.Tom_____twodays_____thestory.

A.took;toread

B.paid;forreading

C.spend;reading

D.spent;on

四、同義詞/同義句：

tiny=verysmall極小的

expensive=dear=notcheap=costsalotofmoney昂貴的

beunawareofsth=benotawareof=don’tknow=don’trealize沒(méi)有察覺(jué)到

beawareofsth=know=realize意識(shí)到

operate=make…work

dependon=relyon依賴(lài)

inaddition=besides=what’smore此外

beabletodo=cando能夠做某事

grandtotal=fullamount總額Wecantypeanddrawthingswithcomputers.=Wecanusecomputerstotypeanddrawthings.Maryistallerthananyothergirlinourschool.=Maryisthetallestgirlinourschool.

IV．詞型變化

order（n）---order（v）

compare（v）---comparison（n）

mouse---mice（pl.）

type（v）---typer打字機(jī)typist打字員（n）

calculate（v）---calculation計(jì)算calculator計(jì)算器（n）

operate（v）---operation（n）

sell-sold-sold（v）---sale（n）salesman

depend---dependent依賴(lài)的（adj）---dependence依賴(lài)（n）

---independent獨(dú)立的（adj）---independence獨(dú)立（n）

I.

同義詞

(

)1.IamsorrythatIamunawareofthemistake.

A.don’tknow

B.don’tcareabout

C.knowsalittleabout

D.knowsalotabout

(

)2.Couldyoutellmethegrandtotal

A.littletime

B.largenumber

C.wholework

D.fullamount

(

)3.WhenIwasyoung,Ialwaysdependedonothers.

A.madefriendswith

B.laughedat

C.livedwith

D.reliedon

(

)4.Finally,Jackoperatedthemachinesuccessfully.

A.made…change

B.made…work

C.made…rest

D.made…stop

(

)5.What’sthepriceofthiscomputer?

A.Howmanyis

B.Howdoyoulike

C.Whydoyoubuy

D.Howmuchis

(

)6.Look!Thetinybabyoverthereissocute!

A.verylovely

B.verysmall

C.verybig

D.veryold

(

)7.Mymotherusedtoworkasateacherinthevillage.

A.like

B.be

C.belike

D.have

(

)8.Thismachineisveryexpensive.

A.costsalittlemoney

B.looksbeautiful

C.costsalotofmoney

D.doesn’tcostmuch

(

)9.Jackworkshard.Inaddition,heiskindtohisfriends.

A.Forexample

B.Besides

C.InadditiontoD.HoweverII.

單項(xiàng)選擇題

(

)1.TakingbusesinBeijingis_____than____ataxi.

A.morecheap;taking

B.muchcheaper;taking

C.alittlecheap;totake

D.alittlecheaper;totake

(

)2.________,Shenzhenwasstillasmallvillage.

A.In1840s

B.Intheyearof1840s

C.Inthe1840

D.Inthe1840s

(

)3.I’mhungrynow.Let’sstop_______.

A.havingameal

B.tohaveameal

C.havingarest

D.tohavearest

(

)4.--what’sthe______ofthisnewtrain?

--It’s__________200kmperhour.

A.price;atthespeedof

B.price;inthespeedof

C.speed;inthespeedof

D.speed;atthespeedof

(

)5.Thankyoufor_______uswiththetask.Ilookforwardto_______withyounexttime.

A.helping;working

B.tohelp;work

C.helping;work

D.tohelp;working

(

)6.—Areyoufeeling_____today—

I’mafraidnot.It’s_______daysinceIgotill.

A.good;theworst

B.better;worse

C.well;thebest

D.better;theworst

(

)7.Kenisverygenerous(有天賦的).________,heisskillfulinplayingchess.

A.Inaddition

B.Infact

C.However

D.Suddenly

(

)8.—Doyouknowwhat__________thegirlinthefilm?

—Yes.She______toomuch_______herparentsandwasunabletodoanythingbyherself.

A.happenedwith;depended;on

B.happenedwith;depended;with

C.happenedto;depended;at

D.happenedto;depended;