广州新版八年级上册Unit3Computers汇编.docx

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广州新版八年级上册Unit3Computers汇编.docx

广州新版八年级上册Unit3Computers汇编

Unit3Computers

课文重难点详解

1.Inthe1940s,thefirstcomputerswerebiggerthancars.

inthe1940s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:

intheearly1940s

2.Youmaybeunawareofthem.

beunawareof意为“未察觉,没有意识到”

译:

那个男孩没有意识到危险。

3.ThereisprobablyoneinsideyourTVorwashingmachine.

one此处用作代词,用于泛指前面提到过的名词。

辨析:

one和it

one

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?

AoneBitCthisDthat

4.Youdependoncomputersmorethanyourealize.

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.

5.Computersalmostnevergivewronganswers.

almostnever=hardly意为“几乎不”

辨析:

hardly和hard

hardly

“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.

AdoBdoesCdoingDtodo

8.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whatdoessblooklike

What’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:

①needsb/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------most

little-----less----least

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

 far------farther/further---farthest/furthest

old----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

1.Theworkersspenttwoyearsmyhouse.

AbuildBbuildingCbuildsDhuilt

2.---HowoftendoesBobplaytennis.---.

AEveryday.BForayear.CAweekagoDAmonthlater.

3.---WouldyoulikeTV?

---I’dloveto,butIhavelotsofhomeworktodo.

AwatchingBtowatchCseeingDtosee

4.We’relookingforwardthefootballgametomorrow.

AtoBatConDof

5.I’mhungrynow.Let’sstop.

AhavingamealBhavingarestCtohaveamealDtohavearest

6.Thatbeautifulskirtiscotton.

AmadeofBmadeintoCmadefromDmadeupof

7.Whatshallweifwegoforapicnic?

AbringBtakeCcarryDget

8.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.mostinteresting

12.Hisfatherbegantowork____hewassevenyearsold.

   A.asoldasB.asearlyasC.sinceD.while

13..Ithinkscienceis____thanJapanese.

   A.muchimportantB.important

C.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.muchtaller

17.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.butB.andC.orD.so

()2.A.makeB.sendC.giveD.write

()3.A.weB.youC.theyD.I

()4.A.doctorB.teacherC.studentD.student

()5.A.playsB.buysC.usesD.does

()6.A.inB.onC.withD.at

()7.A.makeB.doC.playD.get

()8.A.parentsB.friendsC.fatherD.mother

()9.A.legsB.earsC.eyesD.faces

()10.A.musicB.EnglishC.filmsD.books

阅读理解

Wearealreadyfamiliarwithcomputers—computersworkforusathome,inofficesandinfactories.Butitisalsotruethatmanychildrentodayareusingcomputersatschoolsbeforetheycanwrite.Whatdoesthismeanforthefuture?

Arethesechildrenluckyornot?

  Manypeoplewhodonotknowaboutcomputersthinkofthemasmachinesthatchildrenplaywith.Theyworrythatchildrendonotlearnfromexperiencebutjustfrompressingabuttonandthatthisisnotgoodforthem.Theythinkthatchildrenaregrowingnotknowingabouttherealworld.

  Butpeoplewhounderstandmoreaboutcomputerssaythatcomputerscanbeverygoodforchildren.Acomputercanhelpthemtolearnabouttherealworldmorequickly,tolearnwhattheywanttolearnandthinkforthemselves.Andforthefuture,don’tweneedpeoplewhocanthinkclearly,whoknowhowtogetinformationquicklyanduseitwell?

Whatdoyouthink?

  1.“Tobefamiliarwith”meansto______.

  A.knownothingB.knowaboutC.dislikeD.like

  2.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.Stoptodos

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