学术英语课后答案 unit2.doc

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1、Unit2SearchingforInformationI.TeachingObjectivesInthisunit,youwilllearnhowto:1.searchforreliableandbettersourcematerialsforyourresearch2.findyourinformationbyscanningandskimming3.identifytopicsentencesforageneralideaintheparagraph4.guesswordmeaningthroughcontextcluesandaf

2、fixes5.readfastbyfollowingtheorganizationofthetext6.beacriticalreader7.takenoteseffectively8.writeasummaryforwhatyouhaveread9.enhancelanguageskillswiththehelpofthereadingandlisteningmaterialspresentedinthisunitII.TeachingProcedures1FindingreliableandbettersourcesTask1Answ

3、ersmayvary.Task2Answersmayvary.Task3Answersmayvary.2ScanningandskimmingTask11Artificialintelligence.2Thearticlemayarguefor/againsttheideathatartificialintelligencewillreplacehumanjobsinthefuture.3Thestorytellsthatcomputerizationthreatenstoreplacemanywhite-collarjobs.4Thea

4、uthorisoptimisticandmaynotagreethatmachineswillreplacehumanjobs.5Thespecterofautomationunemployingusallmayhavefinallyarrived.6Butthemassjobshrinkagethattheseobserversallexpecteddidnotcome.7YetAmericansasawholewerenotautomatedoutofwork.(Para.8,L1)Yet,throughallthat,morenew

5、jobsappeared.(Para.11,L2)8Manwillnotlosejobsbecausetherewillalwaysbedemandsofaneweconomy.9Theneighborwouldprefertoordertheshoesfrommachine-handlingfactories.10Savingwillleadtospendingwhichinturnwillcreatenewer,perhapsbetterjobstomorrow.3Identifyingtopicsentencesforinforma

6、tionTask11Piecedtogether,thetopicsentencesformashort,coherentparagraphoressay.2a)Paragraph2b)Paragraph11Task21Gametheoryisthescienceofstrategy.（Para.1）2Gamesarefundamentallydifferentfromdecisionsmadeinaneutralenvironment.（Para.3）3Theessenceofagameistheinterdependenceofpla

7、yerstrategies.（Para.4）4Ageneralprincipleforaplayerinasequential-movegameistolookaheadandreasonback.（Para.5）5Incontrasttothelinearchainofreasoningforsequentialgames,agamewithsimultaneousmovesinvolvesalogicalcircle.（Para.7）6Anotherwaytomakethreatscredibleistoemploytheadvent

8、uresomestrategyofbrinkmanship—deliberatelycreatingariskthatifotherplayersfailtoactasonewouldlike