广州新版八年级上册Unit3Computers

广州新版八年级上册Unit3Computers广州新版八年级上册Unit3Computers广州新版八年级上册Unit3ComputersV:1.0精细整理，仅供参考广州新版八年级上册Unit3Computers日期：20xx年X月Unit3Computers课文重难点详解Inthe1940s,he1940s意为“在20世纪40年代”，例：在20世纪50年代表示在某个年代初期或末期，可以在年份前加early或late.例：intheearly1940sYoumaybeunawareofthem.beunawareof意为“未察觉，没有意识到”译：那个男孩没有意识到危险。ThereisprobablyoneinsideyourTVorwashingmachine.one此处用作代词，用于泛指前面提到过的名词。辨析：one和itone泛指上文提到的同类事物中的一个Ilostmypen.Imustbuyone.it特指上文提到的同一物品Thecoatishers.It’sverybeautiful.例：Thebananapietastesdelicious.CouldIhaveanother

AoneBitCthisDthatYoudependoncomputersmorethanyourealize.dependon意为“依靠，指望”，主语可以是人，也可以是物，其含义有所不同。人 依靠dependon物取决于dependentadj.依赖的，反义词：independent“独立的”dependon=bedependenton译：shedependsonustohelpher.Ourplandependsontheweather.Computersalmostnevergivewronganswers.almostnever=hardly意为“几乎不”辨析：hardly和hardhardly“几乎不”Alicehardlywearsskirts.hard“努力地，困难地，猛烈地”Itrainedveryhardlastnight.6.However,onedaycomputersmaybeabletodoabetterjobthanhumanbeings.beableto意为“能够”，后接动词原形。7.Willwehavenothingtodo

todo为动词不定式，此处用来修饰nothing,如果不定式中的动词是不及物动词，需要带上必要的介词。例：Doyouwantsomethingtodrink

Thereisawarmclothestolivein.例：---Whydon’tyougoouttoplay,Rose?---I’mafraidIcan’t.Ihavemuchhomework.AdoBdoesCdoingDtodo8.Whatwerethefirstcomputerslike?What+be+主语+like意为“......怎么样”,like是介词，意为“像，相似”

译：今天天气怎么样？辨析：what’ssblike,whatdoessblike与whatdoessblooklikeWhat’ssblike“某人如何”用于询问某人的性格，品质等Whatdoessblike“某人喜欢什么”用于询问某人的爱好Whatdoessblooklike“某人长什么样”用于询问某人的外貌9.Someyoungpeoplealwaysneedhelpfromtheirparents.need用法总结：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用来回来Must提出的问句例：--MustIbringmyhomeworknow--No,youneedn’t.重点语法：形容词的比较级和最高级分为规则变化和不规则变化

规则变化如下:

1)单音节形容词的比较级和最高级形式是在词尾加-er和-est构成；

great

long

2)以-e结尾的单音节形容词的比较级和最高级是在词尾加-r和-st构成；

wide

nice

3)以辅音字母+y结尾的形容词，比较级和最高级是把y去掉,加上-ier和-est构成；

happy

empty

5)辅元辅的形容词，比较级和最高级是双写该辅音字母，再加-er和-est；

big

fat

6)部分双音节和多音节形容词，比较级和最高级需用more和most来构成。

beautifuldifficult

常用的不规则变化的形容词的比较级和最高级:

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

形容词前如加less和least则表示"较不"和"最不"

important重要lessimportant较不重要leastimportant最不重要

形容词比较级的用法

1.两者比较时用形容词比较级，其结构为“...比较级+than...”如：Actionsspeaklouderthanwords.

2.在两者之间选择“哪一个更……”时，用句型“Which/Whois+比较级,...or...

”

如：Whichsweaterischeaper,theredoneortheyellowone?

3.表示“两者之间最……的一个”时，用“the+比较级”如：Lucyisthetallerofthetwins.

4.表示“越……，越……”时，用“the+比较级，the+比较级”如：Themoreyoueat,thefatteryouwillbecome.

5.表示“越来越……”时，用“比较级+and+比较级”，多音节词和部分双音节词用“moreandmore+形容词原级”如：Weshouldmakeourcountrymoreandmorebeautiful.

6.形容词比较级前可以用下列词修饰：much,alittle,far,abit,afew,alot,even,still,rather等如：It'smuchcoldertodaythanyesterday.

表示“最……之一”时，用“oneof+the+最高级”如：Thelightbulbisoneofthemosthelpfulinventions.Unit3同步练习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阅读理解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、短语知识点总结1、inthe1940s

在20世纪90年代的时候

=inthe1940's

3、smallerandsmaller越来越小

比较级+比较级

越来越……

4、beunawareof~没意识到……

5、insideprep.在……里面

6、dependv.依靠，依赖

dependentadj.依赖的，依靠的；dependableadj.可靠的

dependon/upon依靠，依……而定

dependonit毫无疑问，没问题Italldepends.这也难说，要看情况而定。

7、dowith~处理(与what搭配）

dealwith~处理（与how搭配）8、atafasterspeed以(用）一个更快的速度用工具withhands/ears/eyes/computers用声音inalowvoice用语言inEnglish用材料inink,pen以价格atthehighprice以速度atafullspeed

9、givewronganswers=giveawronganswer给出错误的答案

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.喜欢prep.像……likesth喜欢某物

liketodosth=likedoingsth喜欢做某事

13、oneday（过去或将来的）某天

someday

(将来的）某天

14、beabletodosth=can

能够做某15、Forexample例如（一个例子）

Suchas例如（多个例子）16、bebetteratdoingsth更擅长做某事

begoodatdoingsth

擅长做某事begoodfor...对…有好处begoodto...对…友好17、havenothingtodo无事可做

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

n.事实，真相

Infact

事实上，其实=Asamatteroffact事实上，其实

二、

MorePractice

1．Thankyou/thanks

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

有……

Without+n./prep/doing

没有……，缺乏……3．OntheInternet在网上4．Usedtodosth过去常常做……Beusedtodoingsth习惯做某事5．Sbspendtime/moneyonsth某人在某物上花钱/时间

Sthcostsmoney某物花钱

Payforsth为某物付钱

Ittakessbsometimetodosth花某人多少时间做某事6．Infrontof在……的前面(范围之外）

Inthefrontof在……的前面（范围之内）7．Bebadfor对……有害8．Givesomeadvice给建议9．Hopeforsth希望得到某物

Hopetodosth.希望做某事Hope(that)+句子希望……10．Stoptodosth停下来去做某事（做别的事）

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

Bydoingsth通过做某事12.

Haveto不得不……（客观的）Must必须（主观的）13.

Howoften多久一次（问频率）14.

Much+比较级

……的多15.

Oneof+最高级+n.(Pl.)

……之一16.Become+adj变得……17.Lookforwardto(介词）期望……

在介词后面加动词，都加动词的ing形式。

三、同步讲与练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.他们也会给一些关于怎样利用网络学习的建议。

give(sb)someadviceon

howtodo---

关于某方面的建议（advice不可数）怎样做某事（必须接宾语）=give(sb)someadviceon

doing---1.王教师昨天给了我们一些如何学好英语的建议.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某人花钱、花时间做某事

1.我们的环境越来越差了，我们应该阻止人们砍伐树木。

Ourenvironmentisbecomingworseandworse,weshould

____people__________downtrees.

2.Tom_____twodays_____thestory.

A.took;toread

B.paid;forreading

C.spend;reading

D.spent;on

四、同义词/同义句：

tiny=verysmall极小的

expensive=dear=notcheap=costsalotofmoney昂贵的

beunawareofsth=benotawareof=don’tknow=don’trealize没有察觉到

beawareofsth=know=realize意识到

operate=make…work

dependon=relyon依赖

inaddition=besides=what’smore此外

beabletodo=cando能够做某事

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

IV．词型变化

order（n）---order（v）

compare（v）---comparison（n）

mouse---mice（pl.）

type（v）---typer打字机typist打字员（n）

calculate（v）---calculation计算calculator计算器（n）

operate（v）---operation（n）

sell-sold-sold（v）---sale（n）salesman

depend---dependent依赖的（adj）---dependence依赖（n）

---independent独立的（adj）---independence独立（n）

I.

同义词

(

)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.

单项选择题

(

)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(有天赋的).________,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;