學(xué)術(shù)英語(理工)詳解答案-Unit2

學(xué)術(shù)英語(理工)詳解答案_Unit2第一頁，共128頁。第二頁，共128頁。Unit2

SearchingforInformationUnitContents1Findingreliableandbettersources2Scanningandskimming3Identifyingtopicsentencesforinformation4Guessingwordmeaning5Usingtheorganizationofthetext6Readingcritically7Takingnotes8Writingasummary第三頁，共128頁。1FindingreliableandbettersourcesToevaluatesourcematerialsTasksUnit2

SearchingforInformation第四頁，共128頁。1FindingreliableandbettersourcesToevaluatesourcematerialsIsthematerialaprimaryorasecondarysource?Isthesourcethelatestone?Istheauthorareliablescholaroranexpertinthefield?Doestheauthorhavebiasesorprejudices?Hastheauthorbeencitedfrequentlyinthefield?Aretheauthor’sargumentssupportedbyevidencesuchasstatistics,experiment,recentscientificfindings?Aredifferentopinionsconsideredandweighedorsimplyignored?Aretheauthor’sargumentsandconclusionsconvincing?Unit2

SearchingforInformation第五頁，共128頁。1FindingreliableandbettersourcesTasksCheckthereliabilityofthesourcesonPage40.Searchforsourcematerialsyourpapermayuseandthenwritedownthetitlesandsourcesofthearticles.ThemodelisgivenonPage41.Markthereasonsforyourchoiceofthearticles.Unit2

SearchingforInformation第六頁，共128頁。2ScanningandskimmingTipsforscanningandskimmingTask1

usingscanningandskimmingstrategyText5CanyoucompletewithA.I.fortheNextjob?Unit2

SearchingforInformation第七頁，共128頁。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第八頁，共128頁。2ScanningandskimmingTipsforscanningandskimmingthetitleandsubtitles;theabstract(ifthereisone);theintroductionandthesis;thefirstorlastparagraphsoftheessays/chapters;headingsandsubheadings;theconclusionandsummaries;thefirstsentenceorthelastsentenceofeachparagraph;highlightedtextssuchaswordsinboldoritalictext;graphs,tablesordiagrams.Skimming:Unit2

SearchingforInformation第九頁，共128頁。2ScanningandskimmingWhatdoes“A.I.”inthetitlestandfor?Artificialintelligence.2Whatisthemainideaofthearticleyoumaypredictfromthetitle?3Whatdoesthestoryinthefirstparagraphimply?Thearticlemayarguefor/againtheideathatArtificialintelligencewillreplacehumanjobsinthefuture.Thestorytellsthatcomputerizationthreatenstoreplacemanywhite-collarjobs.Unit2

SearchingforInformation第十頁，共128頁。2Scanningandskimming4Whatdoesthelastparagraphsuggestintermsoftheauthor’sattitude?Theauthorisoptimisticandmaynotagreethatmachineswillreplacehumanjobs.5Whatisthetopicsentenceofthesecondparagraph?Thespecterofautomationunemployingusallmayhavefinallyarrived.Unit2

SearchingforInformation第十一頁，共128頁。2Scanningandskimming6Thekeysentencereferstothesentenceinformingreadersoftheattitudeoftheauthor.Canyoulocatethekeysentence(s)inthefirstthreeparagraphs?7Canyoulocatetheplaceswheretheideaofthekeysentenceisrepeated?Butthemassjobshrinkagethattheseobserversallexpecteddidnotcome.YetAmericansasawholewerenotautomatedoutofwork(Para.8,L1).Yet,throughallthat,morenewjobsappeared(Para.11,L2).Unit2

SearchingforInformation第十二頁，共128頁。2Scanningandskimming8Whatdoesthesubheading“Demandsofaneweconomy”tellus?Manwillnotlosejobsbecausetherewillalwaysbedemandsofaneweconomy.9WhatdoesoneofLeinbach’sneighborsmeanwhenshewroteabouttheorderofhershoes?10Whatdoesthesubheading“Savingleadstospending”mean?Theneighborswouldprefertoordertheshoesfrommachine-handlingfactories.Savingwillleadtospendingwhichinturnwillcreatenewer,perhapsbetterjobstomorrow.Unit2

SearchingforInformation第十三頁，共128頁。Unit2

SearchingforinformationAdditionalquestionsforyourunderstandingofText52Scanningandskimming1WhatwasthevirtualendoffarminginAmericanhistory?PleaseexplainthedecliningtrendoffarmingworkersintheUS.ThebiggestoccupationaldisplacementinAmericanhistorywasthevirtualendoffarming.Decliningtrend:AroundthetimeoftheRevolution,about90percentofAmericanswereinvolvedinfarming.Butastheagriculturalindustrygrew,itneededfewerandfewerworkers.Theabsolutenumberofpeoplewhoworkedatfarmingandranchinghititspeakinabout1910—ataround11or12million—andthenthenumberdroppedoffrapidly.Today,agricultureprovidesfewerthantwomillionjobs.第十四頁，共128頁。AdditionalquestionsforyourunderstandingofText52Whatistheexamplethewritergivestoshowthatautomationmadeproductscheaper?Theexampleis:Around1900apoundofbreadcostanAmericanabouthalfanhourofhardfactorywork;around2000,apoundoffresher,morenutritiousbreadcostaboutfiveminutesofmucheasierwork.2ScanningandskimmingUnit2

Searchingforinformation第十五頁，共128頁。AdditionalquestionsforyourunderstandingofText53WhatdoesthehistoricaltrendinAmericanworksuggest?ThehistoricaltrendinAmericanworksuggestssomeoptimismthatbetterjobsforhumansarecoming,buthistoryalsosuggeststhatfewtrendsmoveinthesamedirectionforverylong.2ScanningandskimmingUnit2

Searchingforinformation第十六頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.5——c10——i1——e2——h3——a4——g6——b7——j8——f9——d2ScanningandskimmingUnit2

Searchingforinformation第十七頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.2Scanningandskimming1electricpower

(自動化)equipment2

(職業(yè)的)disease3illegal

(移民)4Musiccan

(振奮)yourspirits.5resultinsubstantialpopulation

(轉(zhuǎn)移)6the

(手工制作的)furniture7Hehas

(在牧場工作)inthenorthfor20years.8eat

(有營養(yǎng)的)food9be

(卷入)inthetrouble10anew

(裝配)line11

(屈服)totheenemy12make

(難以置信的)progress13unrealistic

(樂觀)14inrecent

(暴徒)violenceautomationoccupationalimmigrantupliftdisplacementhand-craftedranchednutritiousinvolvedassemblyyieldincredibleoptimismmobUnit2

Searchingforinformation第十八頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.2Scanningandskimming15get

(專業(yè)的)help16theluggageshouldbe

(加上標(biāo)簽)17financial

(分析員)18trade

(盈余)19attackonpearl

(海港)20aprofessional

(專欄作家)21the

(事實上的)managerofthebusiness22underestimatethestrengthofthe

(革命的)forces23untiethe

(鞋帶)andtakeoffyourshoes24tryingto

(削弱)hisauthority25

(交換)fursforguns26a(n)

(可訴訟的)case27raisethe

(恐懼)ofoilcrisis28

(仔細(xì)翻看)throughherpurse29Hehasgota(n)

(大量的)fessionallabelledanalystsurplusharborcolumnistvirtualrevolutionaryundercutlacebarterlitigablespectersiftpotUnit2

Searchingforinformation第十九頁，共128頁。EnhancingyouracademiclanguageCompletetheparagraph2ScanningandskimmingRobotsareplaying

(越來越重要的作用)inourlife.Theyreplacedhumansintheassistanceofperformingthoserepetitiveanddangeroustasks,

(那些人類不愿做或不能做的事)suchasinouterspaceoratthebottomofthesea

(以及諸如此類的事)wherehumanscouldnotsurvivetheextremeenvironments.Buttheimportantroleofrobotsdoesnot

(解決人類的擔(dān)憂).

(問題提了出來):Willrobotscontrolman?increasinglyimportantroletaskshumansprefernottodo,orareunabletodoandthelikesettleman’sworriesSomequestionsareraisedUnit2

Searchingforinformation第二十頁，共128頁。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText5intoChinese.1最近在《紐約時報》上刊登的一篇文章談到了一種新計算機軟件，該軟件在瞬間就能通過數(shù)以千計的法律文件篩選并尋找到那些可訴訟的條款，這為律師們節(jié)省了在閱讀文件上所花費的數(shù)百小時。2他們主要靠耕種來養(yǎng)活自己，然后再多種一些用以物品交易或賣一些盈余。3從事農(nóng)業(yè)和畜牧業(yè)者的絕對數(shù)量大約在1910年時達(dá)到頂峰（約有1,100—1,200萬），在此之后人數(shù)便急劇下降。2ScanningandskimmingUnit2

Searchingforinformation第二十一頁，共128頁。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText5intoChinese.4這個故事總結(jié)了美國幾個世紀(jì)以來的工作經(jīng)歷，從失業(yè)工人的層面上講是悲劇，但從全國勞動力的層面上講是件好事。5人工智能是一種新的自動化技術(shù)嗎？是一種削弱了曾經(jīng)是20世紀(jì)末就業(yè)標(biāo)志的腦力工作的技術(shù)嗎？是一種只會消除更好的工作機會的技術(shù)嗎？2ScanningandskimmingUnit2

Searchingforinformation第二十二頁，共128頁。3IdentifyingtopicsentencesforinformationTwopartsofatopicsentenceTask1Task2Task3

Text6GameTheoryUnit2

SearchingforInformation第二十三頁，共128頁。3IdentifyingtopicsentencesforinformationAtopicsentenceconsistsoftwoparts:Moderntechnology+intrudesintomodernmen’sfunandrelaxationNutritionaldeficiency+isamajorproblemofelderlyAmericanstopic+acommentExamples:Unit2

SearchingforInformation第二十四頁，共128頁。3Identifyingtopicsentencesforinformationthedefinitionof“hacker”:Paragraph__________Whichparagraphswillyoureadindetailifyouwanttogetthefollowinginformation?thewaystoprotectyourcomputerfromhackers:Paragraph_____________211Unit2

SearchingforInformation第二十五頁，共128頁。3Identifyingtopicsentencesforinformation1Gametheoryisthescienceofstrategy.(Para.1)Gamesarefundamentallydifferentfromdecisionsmadeinaneutralenvironment.(Para.3)Theessenceofagameistheinterdependenceofplayerstrategies.(Para.4)Ageneralprincipleforaplayerinasequential-movegameistolookaheadandreasonback.(Para.5)Unit2

SearchingforInformation第二十六頁，共128頁。3IdentifyingtopicsentencesforinformationIncontrasttothelinearchainofreasoningforsequentialgames,agamewithsimultaneousmovesinvolvesalogicalcircle.(Para.7)6Anotherwaytomakethreatscredibleistoemploytheadventuresomestrategyofbrinkmanship—deliberatelycreatingariskthatifotherplayersfailtoactasonewouldlikethemto,theoutcomewillbebadforeveryone.(Para.17)Unit2

SearchingforInformation第二十七頁，共128頁。3Identifyingtopicsentencesforinformationthedefinitionof“gametheory”:Paragraph_________thegeneralprinciplesofaplayer:Paragraph_______thefundamentalsofgametheory:Paragraph_______15-1012-19Unit2

SearchingforInformation第二十八頁，共128頁。Unit2

SearchingforinformationAdditionalquestionsforyourunderstandingofText61Whatdoesgametheoryattempttodo?Itattemptstodeterminemathematicallyandlogicallytheactionsthat“players”shouldtaketosecurethebestoutcomesforthemselvesinawidearrayof“games”.3Identifyingtopicsentencesforinformation第二十九頁，共128頁。AdditionalquestionsforyourunderstandingofText62Thewritermentionsthat“Theessenceofagameistheinterdependenceofplayerstrategies.”Whatarethetwodistincttypesofstrategicinterdependence?Pleaseexplain.Sequentialandsimultaneous.Intheformertheplayersmoveinsequence,eachawareoftheothers’previousactions.Inthelattertheplayersactatthesametime,eachignorantoftheothers’actions.Unit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十頁，共128頁。AdditionalquestionsforyourunderstandingofText63Inthecaseof“theprisoners’dilemma”,ifsuspectAconfess,whatshouldsuspectBdotoavoidespeciallyharshpunishment?SuspectBhadbetterconfesstoavoidharshpunishment.Unit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十一頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.5——h10——g1——d2——f3——i4——b6——c7——a8——e9——jUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十二頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.1Someplacesare

(有問題的)forwomentravelingalone.2Ihavetomakesome

(推測).3gothroughwhathecallsaperiodofpolitical

(邊緣政策)4Sheremindsusofthefamous

(格言).5enjoythe

(壟斷)ofcigarettebusiness6tryto

(隱藏)hisenvy7Ifyouwanta(n)

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

(訴訟).9Nodifficultycan

(阻止)usfromtryingitagain.10jointtogetherfor

(相互的)benefitsproblematicpresumptionsbrinkmanshipdictummonopolyconcealsharelawsuitdetermutualUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十三頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.11Ifyouareseriousaboutourrelationship,youshouldmake

(保證).12promiseneverto

(泄露)hissecret13a(n)

(有目的的)decisionandaction14

(過得)badlyduringthosedays15the

(相互依賴)betweenhumansandnature16Thetroopswerethoroughly

(士氣低落)bythissetback.17Thechildrenhelpedtheoldman

(共同地).18He

(規(guī)定)paymentinadvance.19Thecarissoldwitha12-month

(擔(dān)保).20Thebenefitshave

(超過)therisk.21Toomuchfoodwill

(引起)sleepiness.22forceapplied

(一致地)overasurfacecommitmentrevealpurposivefareinterdependencedemoralizedcollectivelystipulatedwarrantyoutweighedinduceuniformlyUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十四頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.23the

(最佳的)methodforimprovingspeakingpractice24refuseto

(承認(rèn))tohiscrime25Eventhebestqualityrubberwill

(毀壞)withage.26Unlesstheemployers

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

(兩難境地)28remain

(中立的)inthewar29

(無法忍受的)temperandattitude30Therighthandis

(占優(yōu)勢的)inmostpeople.31Hisstatementdoesn’t

(符合)withthefacts.32the

(結(jié)果)oftheelection33

(嚇退)themanoff34Itisa(n)

(直線的)diagram.optimalconfessperishdilemmamoveneutralintolerabledominantsquarebluffoutcomelinearUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十五頁，共128頁。EnhancingyouracademiclanguageCompletetheparagraphFewsocialsituationscanbemodeledbyasingleinteraction.Thestrategyoneusesto

(為自己得到最好的結(jié)果)dependsonhisexperienceinpreviousinteractions.

(為了說明這一點),thepaper

(嘗試運用)theexampleofagame.Aplayerislikelytocooperateonlyifhisopponentpreviouslydemonstratedwillingnesstocooperate,

(這個過程就導(dǎo)致了)arelationshipofmutualreciprocity.

(這種例子還出現(xiàn))inothersituationswheresocialinteractionoccurs.securethebestoutcomesforhimselfToillustratethepointattemptstouseaprocessthatleadstoSuchanexamplealsoarisesUnit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十六頁，共128頁。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText6intoChinese.1就前者來說，玩家按照順序移動，（那么）每個人都了解其他玩家之前的動作。就后者而言，玩家同時做出動作，則不了解其他玩家的動作。2當(dāng)一個人思考別人會如何反應(yīng)的時候，他必須站在別人的角度，用和他們一樣的思考方式進行思考；一個人不能將自己的推理強加在別人的身上。3盡管各位玩家同時做出動作，不知道其他玩家當(dāng)前的動作，然而，每個玩家都必須明白其他玩家也和自己一樣有同樣的想法等等。Unit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十七頁，共128頁。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText6intoChinese.4事實上，有眾所周知不好的例子，如：“囚徒困境”（見下文），在這個游戲中如果每個人追求自我的最佳利益，那么所有玩家都會卷入一個糟糕的結(jié)局。5這種合作行為可通過反復(fù)玩這個游戲?qū)崿F(xiàn)，因為這種由作弊暫時獲得的利益會被由于合作破裂引起的長期的損失所壓倒。Unit2

Searchingforinformation3Identifyingtopicsentencesforinformation第三十八頁，共128頁。4GuessingwordmeaningGuessingwordmeaningfromcontextGuessingwordmeaningthroughaffixesandrootsTask1Text7DarknessontheEdgeoftheUniverseTask2Task3Text8HowNanotechnologyWorksUnit2

SearchingforInformation第三十九頁，共128頁。4GuessingwordmeaningGuessingwordmeaningfromcontextUserestatementorsynonymcluessuchasinotherwords,thatis,alsoknownas,sometimescalledas.Usecollocationknowledgetoguessthemeaningfromtheneighboringwordsinthesentences.Useantonymorcontrastcluessuchasbut,however,unlike,

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

SearchingforInformation第四十頁，共128頁。4GuessingwordmeaningGuessingwordmeaningfromcontextUseexplanationcluessuchas

because,asaresult,

consequently.Useexampleoranecdotecluessuchasforexample,

suchas,like.Contextcluescanbeusedindifferentways:Unit2

SearchingforInformation第四十一頁，共128頁。4Guessingwordmeaning2.immutable(Para.4,L2)不變的3.trampoline(Para.4,L4）蹦床，彈床4.malleable(Para.4,L5）有彈性和延伸性的5.stayput(Para.4,L7）不動的6.flewintheface(Para.5,L4）敢于違抗7.stalemate(Para.6,L2）僵局Contextclues:Pleasereadtheparagraphsandsentencescontainingthesewords.Unit2

SearchingforInformation第四十二頁，共128頁。4Guessingwordmeaning8.repulsive(Para.6,L5）排斥的9.antigravity(Para.7,L2）排斥力10.exodus(Para.8,L3）大批離開11.supernovae(Para.11,L2）由于爆炸而突然變亮的星12.garner(Para.13,L5）獲得、得到13.perplexing(Para.14,L5）令人不解的Contextclues:Pleasereadtheparagraphsandsentencescontainingthesewords.Unit2

SearchingforInformation第四十三頁，共128頁。Unit2

SearchingforinformationAdditionalquestionsforyourunderstandingofText71WhatdidEinsteinfindaboutthespaceandtimethroughhisgeneraltheoryofrelativity?Throughhisgeneraltheoryofrelativity,Einsteinfoundthatspace,andtimetoo,canbend,twistandwarp,respondingmuchasatrampolinedoestoajumpingchild.4Guessingwordmeaning第四十四頁，共128頁。AdditionalquestionsforyourunderstandingofText72WhatdidEinsteincallthespace-fillingenergy?Cosmologicalconstant.Unit2

Searchingforinformation4Guessingwordmeaning第四十五頁，共128頁。AdditionalquestionsforyourunderstandingofText73Ifthedarkenergydoesn’tdegradeovertime,thenwhatwillhappentothespace?Theacceleratedexpansionofspacewillcontinueunabated,draggingawaydistantgalaxieseverfartherandeverfaster.Unit2

Searchingforinformation4Guessingwordmeaning第四十六頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.5——f10——h1——g2——d3——i4——b6——j7——a8——c9——eUnit2

Searchingforinformation4Guessingwordmeaning第四十七頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.1amateur

(天文學(xué)家)2signa(n)

(合同)withthelandlord3professional

(奉獻)4theoryof

(進化)5a(n)

(蹤跡)ofevidencefortheclaim6haveno

(概念)ofthelaw7

(散發(fā))lightandheat8correct

(錯誤的)data9be

(插入)inthesoil10climate

(預(yù)報)11

(數(shù)量的)informationonbothcostsandbenefits12

(擴大)domesticdemand13be

(精確地)thesame14Noonecan

(貶低)usexceptourselves.Unit2

Searchingforinformationastronomercontractdedicationevolutiontraceconceptiondiffuseerroneousembeddedpredictionquantitativeexpandpreciselydegrade4Guessingwordmeaning第四十八頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.15a(n)

(排斥的)force16goodsin

(運送)17giveusa(n)

(洞察力)intotheproblemsofeducation18

(俘獲)anescapedconvict19

(充分的)andnecessarycondition20ahuge

(分歧)betweenthem21haveaproductive

(能力)of200carsaweek22clingtoasomewhat

(靜態(tài)的)viewofsociety23Theflames

(舔著)againstthebuilding.24slowlyfallinto

(衰落)25

(原始的)accumulationofcapital26Success

(使承擔(dān))hardwork.repulsivetransitinsightcapturesufficientgulfcapacitystaticlickeddecayprimitiveentailsUnit2

Searchingforinformation4Guessingwordmeaning第四十九頁，共128頁。EnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.27

(精煉的)oil28themost

(引人注目的)globalevent29

(不易破碎的)glass30

(理論上的)foundation31a(n)

(障礙)tounderstanding32

(取消)thedinnerparty33broadenour

(眼界)34apairof

(配錯的)shoes35

(公然地)breakpromises36

(目擊)therobbery37

(照字面地)translated38beof

(至關(guān)重要的)importancerefinedspectacularunbreakabletheoreticalbarriercancelhorizonmismatchedblatantlywitnessliterallyvitalUnit2

Searchingforinformation4Guessingwordmeaning第五十頁，共128頁。EnhancingyouracademiclanguageCompletetheparagraphAlandmarkdiscoveryofthe1990swasthattheexpansionoftheUniverseisaccelerating.

(這個發(fā)現(xiàn)是如此的意義深遠(yuǎn))thatitprovidesanewwayofunderstandingthebehaviorofspaceandtimenearblackholes.Ithaschangedourviewofuniverse,

(就如……一樣)thediscoveryhasdonethattheearthrotatesthesun.

(如果……會怎樣)wehavenotsuchadiscovery?WereEinsteinstillalive,

(他的發(fā)現(xiàn)很可能為他獲得又一個諾貝爾獎).TheBeyondEinsteinprogramseekstoadvancescienceandtechnologyindifferentways.

(將打開新的通道)thequestionsaboutuniverseandspace.SosignificantisthediscoverymuchashisdiscoverywouldUnit2

SearchingforinformationWhatifhavelikelygarneredhimanotherNobelPrizeItwillopennewpathsto

4Guessingwordmeaning第五十一頁，共128頁。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText7intoChinese.1在過去的十年里，對古老星光的觀測讓人對宇宙的過去有了深刻的了解，令人驚訝的是，他們也讓人對未來的本質(zhì)有了深刻的洞察。而這些數(shù)據(jù)所顯示的未來令人非常不安——因為某種被稱之為暗能量的東西。2像地球或太陽一樣的普通物質(zhì)只能生成引力，但數(shù)學(xué)演算卻顯示，一種更外在的能源——一種就像是填充桑拿浴的蒸汽一樣的能量均勻地充滿著整個空間，只不過這種能量是無法看到的——會產(chǎn)生與引力相斥的力量。Unit2

Searchingforinformation4Guessingwordmeaning第五十二頁，共128頁。EnhancingyouracademiclanguageTranslatethefollowingsentencesfromText7intoChinese.4在測算充滿宇宙的暗能量的總量的最為精確的嘗試中，遺漏了一個測定值，一個巨大的因數(shù)10123(即一個1后面跟著123個0)，這是在科學(xué)歷史中理論和觀測最為嚴(yán)重的一次誤差。5距今一千億年后,任何沒有與我們比鄰的星系都將會被不斷膨脹的空間橫掃出去，它飛馳而去的速度將會比光速還快。Unit2

Searchingforinformation3快速推進到二十世紀(jì)九十年代，那時我們發(fā)現(xiàn)兩隊天文學(xué)家對遙遠(yuǎn)的超新星——由天體爆發(fā)所產(chǎn)生的非常耀眼的星星，能夠穿過宇宙而被看得很清楚——進行著艱辛而精確的觀測，用以確定外太空間的膨脹速度是怎樣在宇宙的歷史進程中改變的。4Guessingwordmeaning第五十三頁，共128頁。4GuessingwordmeaningGuessingwordmeaningthroughaffixesandrootsManyacademicwords,especiallywordsandtermsindisciplinesarebuiltupfromrootsthathaveameaning.

YoucanlearnmorefromAWL(AcademicWordList,seeAppendix1).Unit2

SearchingforInformation第五十四頁，共128頁。4Guessingwordmeaning1.reconstruct:重新建構(gòu)2.

foreseeable:可預(yù)見到的3.

unprecedented:史無前例的4.

self-replicating:自我復(fù)制的5.

diameter:直徑6.

assembler:裝配器7.

dissipate:消失8.

exotic:非本地，奇異的9.

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

SearchingforInformation第五十五頁，共128頁。4Guessingwordmeaning1.multi-多種的multidisciplines(多學(xué)科),multicolor(多種顏色),multisteps(多步驟),multiform(各種形式),multipurpose(多種目的)2.nano-納米nanotechnology(納米技術(shù)),nanorobot(納米機器人),nanomachine(納米機器),nanoscopic(納米級),nanostructure(納米結(jié)構(gòu))3.converg-傾向，匯合convergence(匯合、一致),divergence(分歧),verge(傾向),concord(和諧),concourse(合流),confederate(同盟)Unit2

SearchingforInformation第五十六頁，共128頁。4Guessingwordmeaning4.struct建筑construct(構(gòu)成)，structure(結(jié)構(gòu)),reconstruct(重建),destruct(破壞),obstruct(阻隔),substructure(基礎(chǔ)工程)5.man-manu-手manufacture(制造),manuscript(手抄本),manual(手工的),manage(處理),manipulate(操作),factory(工廠),facture(制成品)6.inter-交叉interdisciplinary(交叉學(xué)科),interplay(相互作用),interweave(相互交織),interdependent(相互依賴),interaction(相互影響)Unit2

SearchingforInformation第五十七頁，共128頁。4Guessingwordmeaning7.insul-隔離insulator(絕緣體),insulate(隔離),insular(島嶼的),insularity(偏狹),peninsula(半島)8.semi-半；duct引導(dǎo)se