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学术英语(理工)详解答案_Unit2第一页,共128页。第二页,共128页。Unit2

SearchingforInformationUnitContents1Findingreliableandbettersources2Scanningandskimming3Identifyingtopicsentencesforinformation4Guessingwordmeaning5Usingtheorganizationofthetext6Readingcritically7Takingnotes8Writingasummary第三页,共128页。1FindingreliableandbettersourcesToevaluatesourcematerialsTasksUnit2

SearchingforInformation第四页,共128页。1FindingreliableandbettersourcesToevaluatesourcematerialsIsthematerialaprimaryorasecondarysource?Isthesourcethelatestone?Istheauthorareliablescholaroranexpertinthefield?Doestheauthorhavebiasesorprejudices?Hastheauthorbeencitedfrequentlyinthefield?Aretheauthor’sargumentssupportedbyevidencesuchasstatistics,experiment,recentscientificfindings?Aredifferentopinionsconsideredandweighedorsimplyignored?Aretheauthor’sargumentsandconclusionsconvincing?Unit2

SearchingforInformation第五页,共128页。1FindingreliableandbettersourcesTasksCheckthereliabilityofthesourcesonPage40.Searchforsourcematerialsyourpapermayuseandthenwritedownthetitlesandsourcesofthearticles.ThemodelisgivenonPage41.Markthereasonsforyourchoiceofthearticles.Unit2

SearchingforInformation第六页,共128页。2ScanningandskimmingTipsforscanningandskimmingTask1

usingscanningandskimmingstrategyText5CanyoucompletewithA.I.fortheNextjob?Unit2

SearchingforInformation第七页,共128页。2ScanningandskimmingTipsforscanningandskimmingkeepinmindatalltimeswhatyouaresearchingfor(e.g.,thedefinitionofaterm,theeffectofaphenomenon);searchthesisstatementsandtopicsentencesinparagraphsfortheinformationyouwanttogain;usetheknowledgeoftheessayorganization(suchascause-effect,comparison-contrast,problem-solution)tofindwhatyouarelookingfor;payattentiontosignalwordssuchasnumbers,letters,steps,thewordssuchasfirst,second,andnext,orwordsthatarebold-faced,italics,orindifferentsizes,fonts,etc.Scanning:Unit2

SearchingforInformation第八页,共128页。2ScanningandskimmingTipsforscanningandskimmingthetitleandsubtitles;theabstract(ifthereisone);theintroductionandthesis;thefirstorlastparagraphsoftheessays/chapters;headingsandsubheadings;theconclusionandsummaries;thefirstsentenceorthelastsentenceofeachparagraph;highlightedtextssuchaswordsinboldoritalictext;graphs,tablesordiagrams.Skimming:Unit2

SearchingforInformation第九页,共128页。2ScanningandskimmingWhatdoes“A.I.”inthetitlestandfor?Artificialintelligence.2Whatisthemainideaofthearticleyoumaypredictfromthetitle?3Whatdoesthestoryinthefirstparagraphimply?Thearticlemayarguefor/againtheideathatArtificialintelligencewillreplacehumanjobsinthefuture.Thestorytellsthatcomputerizationthreatenstoreplacemanywhite-collarjobs.Unit2

SearchingforInformation第十页,共128页。2Scanningandskimming4Whatdoesthelastparagraphsuggestintermsoftheauthor’sattitude?Theauthorisoptimisticandmaynotagreethatmachineswillreplacehumanjobs.5Whatisthetopicsentenceofthesecondparagraph?Thespecterofautomationunemployingusallmayhavefinallyarrived.Unit2

SearchingforInformation第十一页,共128页。2Scanningandskimming6Thekeysentencereferstothesentenceinformingreadersoftheattitudeoftheauthor.Canyoulocatethekeysentence(s)inthefirstthreeparagraphs?7Canyoulocatetheplaceswheretheideaofthekeysentenceisrepeated?Butthemassjobshrinkagethattheseobserversallexpecteddidnotcome.YetAmericansasawholewerenotautomatedoutofwork(Para.8,L1).Yet,throughallthat,morenewjobsappeared(Para.11,L2).Unit2

SearchingforInformation第十二页,共128页。2Scanningandskimming8Whatdoesthesubheading“Demandsofaneweconomy”tellus?Manwillnotlosejobsbecausetherewillalwaysbedemandsofaneweconomy.9WhatdoesoneofLeinbach’sneighborsmeanwhenshewroteabouttheorderofhershoes?10Whatdoesthesubheading“Savingleadstospending”mean?Theneighborswouldprefertoordertheshoesfrommachine-handlingfactories.Savingwillleadtospendingwhichinturnwillcreatenewer,perhapsbetterjobstomorrow.Unit2

SearchingforInformation第十三页,共128页。Unit2

SearchingforinformationAdditionalquestionsforyourunderstandingofText52Scanningandskimming1WhatwasthevirtualendoffarminginAmericanhistory?PleaseexplainthedecliningtrendoffarmingworkersintheUS.ThebiggestoccupationaldisplacementinAmericanhistorywasthevirtualendoffarming.Decliningtrend:AroundthetimeoftheRevolution,about90percentofAmericanswereinvolvedinfarming.Butastheagriculturalindustrygrew,itneededfewerandfewerworkers.Theabsolutenumberofpeoplewhoworkedatfarmingandranchinghititspeakinabout1910—ataround11or12million—andthenthenumberdroppedoffrapidly.Today,agricultureprovidesfewerthantwomillionjobs.第十四页,共128页。AdditionalquestionsforyourunderstandingofText52Whatistheexamplethewritergivestoshowthatautomationmadeproductscheaper?Theexampleis:Around1900apoundofbreadcostanAmericanabouthalfanhourofhardfactorywork;around2000,apoundoffresher,morenutritiousbreadcostaboutfiveminutesofmucheasierwork.2ScanningandskimmingUnit2

Searchingforinformation第十五页,共128页。AdditionalquestionsforyourunderstandingofText53WhatdoesthehistoricaltrendinAmericanworksuggest?ThehistoricaltrendinAmericanworksuggestssomeoptimismthatbetterjobsforhumansarecoming,buthistoryalsosuggeststhatfewtrendsmoveinthesamedirectionforverylong.2ScanningandskimmingUnit2

Searchingforinformation第十六页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.5——c10——i1——e2——h3——a4——g6——b7——j8——f9——d2ScanningandskimmingUnit2

Searchingforinformation第十七页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.2Scanningandskimming1electricpower

(自动化)equipment2

(职业的)disease3illegal

(移民)4Musiccan

(振奋)yourspirits.5resultinsubstantialpopulation

(转移)6the

(手工制作的)furniture7Hehas

(在牧场工作)inthenorthfor20years.8eat

(有营养的)food9be

(卷入)inthetrouble10anew

(装配)line11

(屈服)totheenemy12make

(难以置信的)progress13unrealistic

(乐观)14inrecent

(暴徒)violenceautomationoccupationalimmigrantupliftdisplacementhand-craftedranchednutritiousinvolvedassemblyyieldincredibleoptimismmobUnit2

Searchingforinformation第十八页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.2Scanningandskimming15get

(专业的)help16theluggageshouldbe

(加上标签)17financial

(分析员)18trade

(盈余)19attackonpearl

(海港)20aprofessional

(专栏作家)21the

(事实上的)managerofthebusiness22underestimatethestrengthofthe

(革命的)forces23untiethe

(鞋带)andtakeoffyourshoes24tryingto

(削弱)hisauthority25

(交换)fursforguns26a(n)

(可诉讼的)case27raisethe

(恐惧)ofoilcrisis28

(仔细翻看)throughherpurse29Hehasgota(n)

(大量的)fessionallabelledanalystsurplusharborcolumnistvirtualrevolutionaryundercutlacebarterlitigablespectersiftpotUnit2

Searchingforinformation第十九页,共128页。EnhancingyouracademiclanguageCompletetheparagraph2ScanningandskimmingRobotsareplaying

(越来越重要的作用)inourlife.Theyreplacedhumansintheassistanceofperformingthoserepetitiveanddangeroustasks,

(那些人类不愿做或不能做的事)suchasinouterspaceoratthebottomofthesea

(以及诸如此类的事)wherehumanscouldnotsurvivetheextremeenvironments.Buttheimportantroleofrobotsdoesnot

(解决人类的担忧).

(问题提了出来):Willrobotscontrolman?increasinglyimportantroletaskshumansprefernottodo,orareunabletodoandthelikesettleman’sworriesSomequestionsareraisedUnit2

Searchingforinformation第二十页,共128页。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText5intoChinese.1最近在《纽约时报》上刊登的一篇文章谈到了一种新计算机软件,该软件在瞬间就能通过数以千计的法律文件筛选并寻找到那些可诉讼的条款,这为律师们节省了在阅读文件上所花费的数百小时。2他们主要靠耕种来养活自己,然后再多种一些用以物品交易或卖一些盈余。3从事农业和畜牧业者的绝对数量大约在1910年时达到顶峰(约有1,100—1,200万),在此之后人数便急剧下降。2ScanningandskimmingUnit2

Searchingforinformation第二十一页,共128页。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText5intoChinese.4这个故事总结了美国几个世纪以来的工作经历,从失业工人的层面上讲是悲剧,但从全国劳动力的层面上讲是件好事。5人工智能是一种新的自动化技术吗?是一种削弱了曾经是20世纪末就业标志的脑力工作的技术吗?是一种只会消除更好的工作机会的技术吗?2ScanningandskimmingUnit2

Searchingforinformation第二十二页,共128页。3IdentifyingtopicsentencesforinformationTwopartsofatopicsentenceTask1Task2Task3

Text6GameTheoryUnit2

SearchingforInformation第二十三页,共128页。3IdentifyingtopicsentencesforinformationAtopicsentenceconsistsoftwoparts:Moderntechnology+intrudesintomodernmen’sfunandrelaxationNutritionaldeficiency+isamajorproblemofelderlyAmericanstopic+acommentExamples:Unit2

SearchingforInformation第二十四页,共128页。3Identifyingtopicsentencesforinformationthedefinitionof“hacker”:Paragraph__________Whichparagraphswillyoureadindetailifyouwanttogetthefollowinginformation?thewaystoprotectyourcomputerfromhackers:Paragraph_____________211Unit2

SearchingforInformation第二十五页,共128页。3Identifyingtopicsentencesforinformation1Gametheoryisthescienceofstrategy.(Para.1)Gamesarefundamentallydifferentfromdecisionsmadeinaneutralenvironment.(Para.3)Theessenceofagameistheinterdependenceofplayerstrategies.(Para.4)Ageneralprincipleforaplayerinasequential-movegameistolookaheadandreasonback.(Para.5)Unit2

SearchingforInformation第二十六页,共128页。3IdentifyingtopicsentencesforinformationIncontrasttothelinearchainofreasoningforsequentialgames,agamewithsimultaneousmovesinvolvesalogicalcircle.(Para.7)6Anotherwaytomakethreatscredibleistoemploytheadventuresomestrategyofbrinkmanship—deliberatelycreatingariskthatifotherplayersfailtoactasonewouldlikethemto,theoutcomewillbebadforeveryone.(Para.17)Unit2

SearchingforInformation第二十七页,共128页。3Identifyingtopicsentencesforinformationthedefinitionof“gametheory”:Paragraph_________thegeneralprinciplesofaplayer:Paragraph_______thefundamentalsofgametheory:Paragraph_______15-1012-19Unit2

SearchingforInformation第二十八页,共128页。Unit2

SearchingforinformationAdditionalquestionsforyourunderstandingofText61Whatdoesgametheoryattempttodo?Itattemptstodeterminemathematicallyandlogicallytheactionsthat“players”shouldtaketosecurethebestoutcomesforthemselvesinawidearrayof“games”.3Identifyingtopicsentencesforinformation第二十九页,共128页。AdditionalquestionsforyourunderstandingofText62Thewritermentionsthat“Theessenceofagameistheinterdependenceofplayerstrategies.”Whatarethetwodistincttypesofstrategicinterdependence?Pleaseexplain.Sequentialandsimultaneous.Intheformertheplayersmoveinsequence,eachawareoftheothers’previousactions.Inthelattertheplayersactatthesametime,eachignorantoftheothers’actions.Unit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十页,共128页。AdditionalquestionsforyourunderstandingofText63Inthecaseof“theprisoners’dilemma”,ifsuspectAconfess,whatshouldsuspectBdotoavoidespeciallyharshpunishment?SuspectBhadbetterconfesstoavoidharshpunishment.Unit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十一页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.5——h10——g1——d2——f3——i4——b6——c7——a8——e9——jUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十二页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.1Someplacesare

(有问题的)forwomentravelingalone.2Ihavetomakesome

(推测).3gothroughwhathecallsaperiodofpolitical

(边缘政策)4Sheremindsusofthefamous

(格言).5enjoythe

(垄断)ofcigarettebusiness6tryto

(隐藏)hisenvy7Ifyouwanta(n)

(份额)ofthepay,you’llhavetodoyourfairshareofthework.8Theythreatenedhimwitha(n)

(诉讼).9Nodifficultycan

(阻止)usfromtryingitagain.10jointtogetherfor

(相互的)benefitsproblematicpresumptionsbrinkmanshipdictummonopolyconcealsharelawsuitdetermutualUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十三页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.11Ifyouareseriousaboutourrelationship,youshouldmake

(保证).12promiseneverto

(泄露)hissecret13a(n)

(有目的的)decisionandaction14

(过得)badlyduringthosedays15the

(相互依赖)betweenhumansandnature16Thetroopswerethoroughly

(士气低落)bythissetback.17Thechildrenhelpedtheoldman

(共同地).18He

(规定)paymentinadvance.19Thecarissoldwitha12-month

(担保).20Thebenefitshave

(超过)therisk.21Toomuchfoodwill

(引起)sleepiness.22forceapplied

(一致地)overasurfacecommitmentrevealpurposivefareinterdependencedemoralizedcollectivelystipulatedwarrantyoutweighedinduceuniformlyUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十四页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.23the

(最佳的)methodforimprovingspeakingpractice24refuseto

(承认)tohiscrime25Eventhebestqualityrubberwill

(毁坏)withage.26Unlesstheemployers

(采取行动)quickly,therewillbeastrike.27befacedwitha(n)

(两难境地)28remain

(中立的)inthewar29

(无法忍受的)temperandattitude30Therighthandis

(占优势的)inmostpeople.31Hisstatementdoesn’t

(符合)withthefacts.32the

(结果)oftheelection33

(吓退)themanoff34Itisa(n)

(直线的)diagram.optimalconfessperishdilemmamoveneutralintolerabledominantsquarebluffoutcomelinearUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十五页,共128页。EnhancingyouracademiclanguageCompletetheparagraphFewsocialsituationscanbemodeledbyasingleinteraction.Thestrategyoneusesto

(为自己得到最好的结果)dependsonhisexperienceinpreviousinteractions.

(为了说明这一点),thepaper

(尝试运用)theexampleofagame.Aplayerislikelytocooperateonlyifhisopponentpreviouslydemonstratedwillingnesstocooperate,

(这个过程就导致了)arelationshipofmutualreciprocity.

(这种例子还出现)inothersituationswheresocialinteractionoccurs.securethebestoutcomesforhimselfToillustratethepointattemptstouseaprocessthatleadstoSuchanexamplealsoarisesUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十六页,共128页。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText6intoChinese.1就前者来说,玩家按照顺序移动,(那么)每个人都了解其他玩家之前的动作。就后者而言,玩家同时做出动作,则不了解其他玩家的动作。2当一个人思考别人会如何反应的时候,他必须站在别人的角度,用和他们一样的思考方式进行思考;一个人不能将自己的推理强加在别人的身上。3尽管各位玩家同时做出动作,不知道其他玩家当前的动作,然而,每个玩家都必须明白其他玩家也和自己一样有同样的想法等等。Unit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十七页,共128页。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText6intoChinese.4事实上,有众所周知不好的例子,如:“囚徒困境”(见下文),在这个游戏中如果每个人追求自我的最佳利益,那么所有玩家都会卷入一个糟糕的结局。5这种合作行为可通过反复玩这个游戏实现,因为这种由作弊暂时获得的利益会被由于合作破裂引起的长期的损失所压倒。Unit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十八页,共128页。4GuessingwordmeaningGuessingwordmeaningfromcontextGuessingwordmeaningthroughaffixesandrootsTask1Text7DarknessontheEdgeoftheUniverseTask2Task3Text8HowNanotechnologyWorksUnit2

SearchingforInformation第三十九页,共128页。4GuessingwordmeaningGuessingwordmeaningfromcontextUserestatementorsynonymcluessuchasinotherwords,thatis,alsoknownas,sometimescalledas.Usecollocationknowledgetoguessthemeaningfromtheneighboringwordsinthesentences.Useantonymorcontrastcluessuchasbut,however,unlike,

incontrast,insteadof,while.Usedefinitioncluessuchasisdefinedas,oranappositivephrase.Contextcluescanbeusedindifferentways:Unit2

SearchingforInformation第四十页,共128页。4GuessingwordmeaningGuessingwordmeaningfromcontextUseexplanationcluessuchas

because,asaresult,

consequently.Useexampleoranecdotecluessuchasforexample,

suchas,like.Contextcluescanbeusedindifferentways:Unit2

SearchingforInformation第四十一页,共128页。4Guessingwordmeaning2.immutable(Para.4,L2)不变的3.trampoline(Para.4,L4)蹦床,弹床4.malleable(Para.4,L5)有弹性和延伸性的5.stayput(Para.4,L7)不动的6.flewintheface(Para.5,L4)敢于违抗7.stalemate(Para.6,L2)僵局Contextclues:Pleasereadtheparagraphsandsentencescontainingthesewords.Unit2

SearchingforInformation第四十二页,共128页。4Guessingwordmeaning8.repulsive(Para.6,L5)排斥的9.antigravity(Para.7,L2)排斥力10.exodus(Para.8,L3)大批离开11.supernovae(Para.11,L2)由于爆炸而突然变亮的星12.garner(Para.13,L5)获得、得到13.perplexing(Para.14,L5)令人不解的Contextclues:Pleasereadtheparagraphsandsentencescontainingthesewords.Unit2

SearchingforInformation第四十三页,共128页。Unit2

SearchingforinformationAdditionalquestionsforyourunderstandingofText71WhatdidEinsteinfindaboutthespaceandtimethroughhisgeneraltheoryofrelativity?Throughhisgeneraltheoryofrelativity,Einsteinfoundthatspace,andtimetoo,canbend,twistandwarp,respondingmuchasatrampolinedoestoajumpingchild.4Guessingwordmeaning第四十四页,共128页。AdditionalquestionsforyourunderstandingofText72WhatdidEinsteincallthespace-fillingenergy?Cosmologicalconstant.Unit2

Searchingforinformation4Guessingwordmeaning第四十五页,共128页。AdditionalquestionsforyourunderstandingofText73Ifthedarkenergydoesn’tdegradeovertime,thenwhatwillhappentothespace?Theacceleratedexpansionofspacewillcontinueunabated,draggingawaydistantgalaxieseverfartherandeverfaster.Unit2

Searchingforinformation4Guessingwordmeaning第四十六页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.5——f10——h1——g2——d3——i4——b6——j7——a8——c9——eUnit2

Searchingforinformation4Guessingwordmeaning第四十七页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.1amateur

(天文学家)2signa(n)

(合同)withthelandlord3professional

(奉献)4theoryof

(进化)5a(n)

(踪迹)ofevidencefortheclaim6haveno

(概念)ofthelaw7

(散发)lightandheat8correct

(错误的)data9be

(插入)inthesoil10climate

(预报)11

(数量的)informationonbothcostsandbenefits12

(扩大)domesticdemand13be

(精确地)thesame14Noonecan

(贬低)usexceptourselves.Unit2

Searchingforinformationastronomercontractdedicationevolutiontraceconceptiondiffuseerroneousembeddedpredictionquantitativeexpandpreciselydegrade4Guessingwordmeaning第四十八页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.15a(n)

(排斥的)force16goodsin

(运送)17giveusa(n)

(洞察力)intotheproblemsofeducation18

(俘获)anescapedconvict19

(充分的)andnecessarycondition20ahuge

(分歧)betweenthem21haveaproductive

(能力)of200carsaweek22clingtoasomewhat

(静态的)viewofsociety23Theflames

(舔着)againstthebuilding.24slowlyfallinto

(衰落)25

(原始的)accumulationofcapital26Success

(使承担)hardwork.repulsivetransitinsightcapturesufficientgulfcapacitystaticlickeddecayprimitiveentailsUnit2

Searchingforinformation4Guessingwordmeaning第四十九页,共128页。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.27

(精炼的)oil28themost

(引人注目的)globalevent29

(不易破碎的)glass30

(理论上的)foundation31a(n)

(障碍)tounderstanding32

(取消)thedinnerparty33broadenour

(眼界)34apairof

(配错的)shoes35

(公然地)breakpromises36

(目击)therobbery37

(照字面地)translated38beof

(至关重要的)importancerefinedspectacularunbreakabletheoreticalbarriercancelhorizonmismatchedblatantlywitnessliterallyvitalUnit2

Searchingforinformation4Guessingwordmeaning第五十页,共128页。EnhancingyouracademiclanguageCompletetheparagraphAlandmarkdiscoveryofthe1990swasthattheexpansionoftheUniverseisaccelerating.

(这个发现是如此的意义深远)thatitprovidesanewwayofunderstandingthebehaviorofspaceandtimenearblackholes.Ithaschangedourviewofuniverse,

(就如……一样)thediscoveryhasdonethattheearthrotatesthesun.

(如果……会怎样)wehavenotsuchadiscovery?WereEinsteinstillalive,

(他的发现很可能为他获得又一个诺贝尔奖).TheBeyondEinsteinprogramseekstoadvancescienceandtechnologyindifferentways.

(将打开新的通道)thequestionsaboutuniverseandspace.SosignificantisthediscoverymuchashisdiscoverywouldUnit2

SearchingforinformationWhatifhavelikelygarneredhimanotherNobelPrizeItwillopennewpathsto

4Guessingwordmeaning第五十一页,共128页。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText7intoChinese.1在过去的十年里,对古老星光的观测让人对宇宙的过去有了深刻的了解,令人惊讶的是,他们也让人对未来的本质有了深刻的洞察。而这些数据所显示的未来令人非常不安——因为某种被称之为暗能量的东西。2像地球或太阳一样的普通物质只能生成引力,但数学演算却显示,一种更外在的能源——一种就像是填充桑拿浴的蒸汽一样的能量均匀地充满着整个空间,只不过这种能量是无法看到的——会产生与引力相斥的力量。Unit2

Searchingforinformation4Guessingwordmeaning第五十二页,共128页。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText7intoChinese.4在测算充满宇宙的暗能量的总量的最为精确的尝试中,遗漏了一个测定值,一个巨大的因数10123(即一个1后面跟着123个0),这是在科学历史中理论和观测最为严重的一次误差。5距今一千亿年后,任何没有与我们比邻的星系都将会被不断膨胀的空间横扫出去,它飞驰而去的速度将会比光速还快。Unit2

Searchingforinformation3快速推进到二十世纪九十年代,那时我们发现两队天文学家对遥远的超新星——由天体爆发所产生的非常耀眼的星星,能够穿过宇宙而被看得很清楚——进行着艰辛而精确的观测,用以确定外太空间的膨胀速度是怎样在宇宙的历史进程中改变的。4Guessingwordmeaning第五十三页,共128页。4GuessingwordmeaningGuessingwordmeaningthroughaffixesandrootsManyacademicwords,especiallywordsandtermsindisciplinesarebuiltupfromrootsthathaveameaning.

YoucanlearnmorefromAWL(AcademicWordList,seeAppendix1).Unit2

SearchingforInformation第五十四页,共128页。4Guessingwordmeaning1.reconstruct:重新建构2.

foreseeable:可预见到的3.

unprecedented:史无前例的4.

self-replicating:自我复制的5.

diameter:直径6.

assembler:装配器7.

dissipate:消失8.

exotic:非本地,奇异的9.

contaminant:污染物10.non-renewable:不可再用的Unit2

SearchingforInformation第五十五页,共128页。4Guessingwordmeaning1.multi-多种的multidisciplines(多学科),multicolor(多种颜色),multisteps(多步骤),multiform(各种形式),multipurpose(多种目的)2.nano-纳米nanotechnology(纳米技术),nanorobot(纳米机器人),nanomachine(纳米机器),nanoscopic(纳米级),nanostructure(纳米结构)3.converg-倾向,汇合convergence(汇合、一致),divergence(分歧),verge(倾向),concord(和谐),concourse(合流),confederate(同盟)Unit2

SearchingforInformation第五十六页,共128页。4Guessingwordmeaning4.struct建筑construct(构成),structure(结构),reconstruct(重建),destruct(破坏),obstruct(阻隔),substructure(基础工程)5.man-manu-手manufacture(制造),manuscript(手抄本),manual(手工的),manage(处理),manipulate(操作),factory(工厂),facture(制成品)6.inter-交叉interdisciplinary(交叉学科),interplay(相互作用),interweave(相互交织),interdependent(相互依赖),interaction(相互影响)Unit2

SearchingforInformation第五十七页,共128页。4Guessingwordmeaning7.insul-隔离insulator(绝缘体),insulate(隔离),insular(岛屿的),insularity(偏狭),peninsula(半岛)8.semi-半;duct引导se

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