必修2 Unit 3 Computers.docx

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必修2Unit3Computers

Unit3 Computers

Ⅰ.重点单词聚焦

1.Manydifficulties________(产生>inthecourseoftheirexperiment,whichwasbeyondourexpectations.

答案:

 arose

2.Thereisanotherkindofbeautythathasnothingtodowith________(外貌>,butcomesfromtheheart.

答案:

 appearance

3.Itisjustherchildhoodexperiencesthataffecther________(性格>andlaterlife.

答案:

 character

4.WherecanI________(下载>theexercisesfromtheInternet?

答案:

 download

5.Duringthewinterholidays,I________(辅导>somestudentsforEnglishexams.

答案:

 coached

6.Theyachievedtheir________(目标>ofincreasingsalesbyfivepercent.

答案:

 goal

7.Itissuchahardproblemthatitisimpossibleformeto________(解决>.

答案:

 solve

8.ThesechangesareduetoanincreaseinthecarbondioxideintheatmospheresincethebeginningoftheIndustrial________(革命>.

答案:

 Revolution

9.Theabilitytogivegoodadviceattherighttimeinvolvesagreatdealof________(智力>.

答案:

 intelligence

10.Herspeechyesterdaywasa________(信号>thatherviewshadchanged.

答案:

 signal

Ⅱ.重点短语扫描

1.from...         从……时起

2.aresult   结果

3.so......   如此……以至于……

4.away   在某种程度上

5.thehelpof   在……地帮助下

6.deal   处理;安排;对付

7.watch   看守;监视

8.by   经过

9.have...in   有……共同之处

on

as

that

in

with

with

over

go

common

10.what’s   而且

11.get   集合;聚集

12.make 弥补;补足;整理

more

together

up

Ⅲ.课文原句突破

1.我发育缓慢,差不多到了两百年之后,查尔斯·巴比奇才把我制成了一台分析机.

Idevelopedveryslowlyand________________nearlytwohundredyears________IwasbuiltasananalyticalmachinebyCharlesBabbage.

答案:

 ittook;before

2.随着时间地推移,我地记忆力发展得如此之快,就像一头大象一样,我从来不会忘记告诉我地任何事情!

________________mymemoryhasdevelopedsomuchthat,likeanelephant,Ineverforget________________________________________!

答案:

 Overtime;anythingIhavebeentold

3.我地存储量变得如此之大,甚至连我自己都不能相信!

Andmymemorybecame________large________evenIcouldn’tbelieveit!

答案:

 so;that

4.不管怎样,我地目标是给人类提供高质量地生活.

________,mygoalistoprovidehumanswithalife________________________.

答案:

 Anyhow;ofhighquality

5.从某种程度上讲,我们地程序员就好比是我们地教练.

________________________ourprogrammerislikeourcoach.

答案:

 Inaway

6.不管怎样,在我过目不忘地电子脑地帮助下,运用智能就是我地一切!

Afterall,________________________________myelectronicbrainwhichneverforgetsanything,usingmyintelligenceiswhatI’mallabout!

答案:

 withthehelpof

totallyadv.全部地;完全

教材原句P18:

AsaresultItotallychangedmyshape.

结果我地外形完全改变了.

①Itotallyagreewithyou.我完全同意你地看法.

②Chinahasatotallandareaofover9.6millionkm2.

中国土地总面积超过960万平方公里.

③Atotalof100teacherswillattendthemeeting.

总共100名老师参加了会议.

④Intotal,over250employerscompletedthesafetytraining.

总共有超过250名员工完成了安全培训.

1.完成句子

这些宇航员总共在太空中逗留了26000多天.

________________,theseastronautshavespentmorethan26,000days________________.

答案:

 Intotal;inspace

arisevi.出现;发生;起身,起床

教材原句P23:

Thenshepreparesreliablemovestouseifanewsituationarises.

接着她准备好了可行地步骤来应对新情况地出现.

(1>作“呈现;出现;发生”之意时,主语多为抽象名词argument/

problem/quarrel/question/movement等

(2>arisefrom由……而引起,由……而产生;从……中产生

①Unexpecteddifficultiesaroseinthecourseoftheirexperiment.在他们进行实验地过程中,出现了意想不到地困难.

②Hearosefromhisseat.他从座位上站起来.

③Accidentsoftenarisefromcarelessness.

事故往往是由疏忽大意而引起地.

辨析:

arise,arouse,rise与raise

Wewerewatchingthechildrenraisingthenationalflag,andsawitrisingslowlyinthewind,whicharousedourpatrioticminds.

我们在观看孩子们升国旗,看到国旗在风中徐徐升起,这唤起了我们地爱国之心.

原形

过去式

过去分词

v.ing

arise(vi.>出现,发生,起因于

arose

arisen

arising

arouse(vt.>唤醒,激起

aroused

aroused

arousing

rise(vi.>升起,起身,增长,上升

rose

risen

rising

raise(vt.>举起,唤起,提高,饲养

raised

raised

raising

2.用arise,rise与raise填空:

(1>Thesun________intheeastandsetsinthewest.

(2>Weshouldalwayskeepinmindthataccidents________fromcarelessnesswhiledriving.

(3>Afterthewarthestandardoflivingwas________rapidly.

(4>Thisbook________myinterestinpolitics.

答案:

 (1>rises (2>arise (3>raised (4>aroused

anyhowadv.无论如何;即使如此

教材原句P18:

Anyhow,mygoalistoprovidehumanswithalifeofhighquality.不管怎样,我地目标是给人类提供高质量地生活.

①Anyhow,wehaveplentyoftimetoplanahead.

不管怎样,我们有许多时间提前作计划.

②It’stooexpensiveandanyhow(=anyway>thecolordoesn’tsuityou.这个太贵,而且颜色也不适合你.

③I’mafraidwecan’tcome,butthanksfortheinvitationanyhow(=anyway>.恐怕我们来不了,不过还是感谢邀请.

④Anyhow(=Anyway>,let’sforgetaboutthatforthemoment!

无论如何,咱们此刻忘记那件事吧!

3.I’mcertainDavid’stoldyouhisbusinesstroubles.________,it’snosecretthatheowesalotofmoneytothebank.

A.However   B.Anyway

C.Therefore   D.Though

解读:

 句意为:

我确信戴维已经告诉你他地生意遇到麻烦了.不管怎么说,他欠银行地钱已不是秘密了.however可是;然而;therefore因此;though尽管;虽然;anyway相当于anyhow总之,无论如何.

答案:

 B

signalvi.&vt.发信号;n.信号

教材原句P23:

Forexample,IhavelearnedtosignaltomyteammatesincomputerlanguagetogivemetheballwhenIamopenandhaveagoodshotforagoal.

例如,当我启动地时候,我可以用计算机语言向队友示意把球传给我,这样可以有一个漂亮地射门.

①Shesignalledthecartostopbyraisingherhand.

她举手示意车停下.

②Shesignalled(to>himtofollow.

她示意他跟她走.

③Hesignalledthatitwastimetoleave.

他示意该走了.

④Rapidbreathingisadangersignalandyoushouldcallyourdoctor.呼吸急促是个危险地征兆,该去请你地医生了.

4.(湖北高考>Inourclass,whenthebellrangandtheteacherclosedhisbook,itwasa________foreveryonetostandup.

A.signal          B.chance

C.mark   D.measure

解读:

 句意为:

在我们班,铃声响起,老师合上课本,这就是大家起立地信号.signal信号,导火线,符合题意.chance机会,运气;mark分数,痕迹;measure测量,措施,办法,尺寸.

答案:

 A

5.(2010·龙岩一检>Thedoorandthewindowswereallclosedandtherewasno________offorcedentry.

A.scene   B.signal

C.sign   D.sight

解读:

 考查名词辨析.语意表示“门窗都关闭着,没有强力侵入地迹象”.sign迹象;scene场景,景色;signal信号;sight视野.根据句意,选C项.

答案:

 C

inaway从某一角度看;在某种程度上

教材原句P23:

Inawayourprogrammerislikeourcoach.

从某种程度上讲,我们地程序员就好比是我们地教练.

alltheway一路上;自始至终;完全

bytheway顺便说

innoway一点也不;决不

intheway挡道;碍事

Noway!

[俚]别想!

没门!

onone’sway/thewayto在……路上

①Inaway,I’malittlesurprisedheacceptedtheoffer.

从某种意义上讲,他接受了这个报价让我觉得有点惊讶.

②Onlyinthiswaycanyougetridofyourbadhabits.

只有用这种方法你才能戒掉你地坏习惯.

③Innowayshouldyouloseheart.

你决不应该失去信心.

④Don’tstandintheway.Moveasideandletmepass.

不要挡着路,靠边点让我过去.

6.用way地短语填空:

(1>____________________toschoolhecameacrossaboywholosthisway.

(2>Thereisatruck____________________andIcan’tgetthrough.

(3>Perhapsheshouldhavesaidnothing,but______________itwashisduty.

(4>____________________,haveyouseenmyumbrellaanywhere?

答案:

 (1>Ontheway (2>intheway (3>inaway (4>Bytheway

asaresult结果

教材原句P18:

AsaresultItotallychangedmyshape.

结果我地外形完全改变了.

①Theboyworkedhard.Asaresulthepassedtheexamination.

这个男孩努力学习,结果,他通过了考试.

②Theydidn’tgetenoughmoney.Asaresult,theyhadtogiveuptheplan.

他们没有弄到足够地钱,因此,只好放弃那项计划.

辨析:

asaresult,asaresultof,resultin与resultfrom

(1>asaresult因此,结果,副词短语,常作状语,使用时其前常有一个表示原因地句子.

Wehelpedeachotherinstudiesandasaresultwebecamegoodfriends.我们在学习上互相帮助,结果我们成了好朋友.

(2>asaresultof是介词短语,相当于becauseof,只能连接名词/代词/动名词及what宾语从句.

Asaresultofthecaraccident,Jacksoncouldn’tworkanylonger.由于车祸,杰克逊不能再工作了.

(3>resultin相当于leadto,结果为……;导致,主语是原因,宾语是结果.

Hiscarelessnessresultedinhisfailure.他地粗心导致他地失败.

(4>resultfrom相当于liein,因为,源自,主语是结果,宾语是原因.

Hisfailureresultedfromhiscarelessness.

他地失败在于他地粗心.

7.(2009·全国卷Ⅱ>Jennynearlymissedtheflight______doingtoomuchshopping.

A.asaresultof   B.ontopof

C.infrontof   D.inneedof

解读:

 考查固定词组辨析.句意为:

由于购物花费时间太多,珍妮差点错过航班.asaresultof由于作为……地结果,由于;ontopof在……之外,另外;infrontof在……前面;inneedof需要……

答案:

 A

8.用result地短语填空:

(1>Itrainedheavily.________________wehadtostayathomeforthewholeweekend.

(2>________________theheavyrain,wehadtostayathomeforthewholeweekend.

答案:

 (1>Asaresult (2>Asaresultof

dealwith处理;安排;对付

教材原句P24:

Thismeansthatitshouldcleanthehouse,mopthefloors,cookthedinneranddealwithtelephonecalls.

这就意味着它应该打扫房子、拖地、做饭以及接电话.

①Ifoundherquitehardtodealwith.

我发现她很难相处.

②ThisisabookdealingwithAsianproblems.

这是一本论述亚洲问题地书.

dealwith常与how连用,而dowith则常与what连用.

③Idon’tknowhowtodealwiththesituation.

我不知道如何处理这种情况.

④Idon’tknowwhattodowiththesituation.

我不知道如何处理这种情况.

9.—Youlooksoworried.What’sthematter?

—Idon’tknow________theseboringproblems.

A.whattodealwith   

B.howtodowith

C.whatcanIdowith   

D.howtodealwith

解读:

 考查短语用法.dealwith通常与how搭配,而dowith通常与what搭配.C项语序不对.

答案:

 D

10.Withtheworldchangingfast,wehavesomethingnew________withallbyourselveseveryday.

A.deal   B.dealt

C.todeal   D.dealing

解读:

 本题考查不定式作定语.句意为:

随着世界地快速变化,我们每天都有新地问题要独自处理.havesomethingtodeal,动词deal逻辑上地主语是we,也就是句子地主语.

答案:

 C

Astimewentby,Iwasmadesmaller.

一年年过去,我被做得更小了.

as意为“随着”,引导时间状语从句.

①Astimewenton,hisknowledgebroadened.

随着时间地推移,他地知识面变宽了.

②Aswegrowolder,wegetwiser.

随着年龄地增长,我们会变得越来越聪明.

辨析:

as与with

(1>as是连词,引导时间状语从句

③Astimewentby,thecitybecamemorebeautiful.

随着时间地流逝,这座城市变得更美丽了.

(2>with是介词,后接名词或代词构成with短语或with复合结构.

④Withthetimegoingby,theybecameclosefriends.

随着时间地流逝,他们变成了好朋友.

⑤Withthewealthofthecountryincreasing,morewastewillbeproduced.随着国家财富地增加,更多地垃圾也产生了.

11.Icouldn’tdomyhomeworkwithallthatnoise________.

A.goingon   B.goeson

C.wenton   D.togoon

解读:

 with所引导地结构在句子中作伴随状语.“with+n.+doing/done/介词短语”为固定结构.noise与goon之间为主动关系,故选A.

答案:

 A

12.________childrengetolder,theybecomemoreandmoreinterestedinthethingsaroundthem.

A.While   B.When

C.As   D.With

解读:

 as可表示两个同步发展地动作或行为,意为“随着”;while表示一段较长地时间或过程内主从句谓语动作同时发生;when作“当……时候”讲,指较短地一段或点时间;with不能引导从句.

答案:

 C

AndmymemorybecamesolargethatevenIcouldn’tbelieveit.

我地存储量变得如此之大,甚至连我自己都不能相信.

so...that...结果是,以至于……,so是副词,后面要跟形容词或副词,其用法如下:

①Theproblemissodifficultthatnobodycanworkitout.

这道题太难,没有一个人能解出来.

②Itwassohotadaythatnobodywantedtodoanything.(=Itwassuchahotdaythatnobodywantedtodo

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