学术英语理工 AcademicEnglishforScienceandEngineering Unit2SearchingforInformation UnitContents 1Findingreliableandbettersources2Scanningandskimming3Identifyingtopicsentencesforinformation4Guessingwordmeaning5Usingtheorganizationofthetext6Readingcritically7Takingnotes8Writingasummary 1Findingreliableandbettersources ToevaluatesourcematerialsTasks Unit2SearchingforInformation 1Findingreliableandbettersources Toevaluatesourcematerials Isthematerialaprimaryorasecondarysource Isthesourcethelatestone Istheauthorareliablescholaroranexpertinthefield Doestheauthorhavebiasesorprejudices Hastheauthorbeencitedfrequentlyinthefield Aretheauthor sargumentssupportedbyevidencesuchasstatistics experiment recentscientificfindings Aredifferentopinionsconsideredandweighedorsimplyignored Aretheauthor sargumentsandconclusionsconvincing Unit2SearchingforInformation 1Findingreliableandbettersources Tasks CheckthereliabilityofthesourcesonPage40 Searchforsourcematerialsyourpapermayuseandthenwritedownthetitlesandsourcesofthearticles ThemodelisgivenonPage41 Markthereasonsforyourchoiceofthearticles Unit2SearchingforInformation 2Scanningandskimming TipsforscanningandskimmingTask1usingscanningandskimmingstrategyText5CanyoucompletewithA I fortheNextjob Unit2SearchingforInformation 2Scanningandskimming Tipsforscanningandskimming keepinmindatalltimeswhatyouaresearchingfor 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 Unit2SearchingforInformation 2Scanningandskimming Tipsforscanningandskimming thetitleandsubtitles theabstract ifthereisone theintroductionandthesis thefirstorlastparagraphsoftheessays chapters headingsandsubheadings theconclusionandsummaries thefirstsentenceorthelastsentenceofeachparagraph highlightedtextssuchaswordsinboldoritalictext graphs tablesordiagrams Skimming Unit2SearchingforInformation 2Scanningandskimming Whatdoes A I inthetitlestandfor Artificialintelligence 2Whatisthemainideaofthearticleyoumaypredictfromthetitle 3Whatdoesthestoryinthefirstparagraphimply Thearticlemayarguefor againtheideathatArtificialintelligencewillreplacehumanjobsinthefuture Thestorytellsthatcomputerizationthreatenstoreplacemanywhite collarjobs Unit2SearchingforInformation 2Scanningandskimming 4Whatdoesthelastparagraphsuggestintermsoftheauthor sattitude Theauthorisoptimisticandmaynotagreethatmachineswillreplacehumanjobs 5Whatisthetopicsentenceofthesecondparagraph Thespecterofautomationunemployingusallmayhavefinallyarrived Unit2SearchingforInformation 2Scanningandskimming 6Thekeysentencereferstothesentenceinformingreadersoftheattitudeoftheauthor Canyoulocatethekeysentence s inthefirstthreeparagraphs 7Canyoulocatetheplaceswheretheideaofthekeysentenceisrepeated Butthemassjobshrinkagethattheseobserversallexpecteddidnotcome YetAmericansasawholewerenotautomatedoutofwork Para 8 L1 Yet throughallthat morenewjobsappeared Para 11 L2 Unit2SearchingforInformation 2Scanningandskimming 8Whatdoesthesubheading Demandsofaneweconomy tellus Manwillnotlosejobsbecausetherewillalwaysbedemandsofaneweconomy 9WhatdoesoneofLeinbach sneighborsmeanwhenshewroteabouttheorderofhershoes 10Whatdoesthesubheading Savingleadstospending mean Theneighborswouldprefertoordertheshoesfrommachine handlingfactories Savingwillleadtospendingwhichinturnwillcreatenewer perhapsbetterjobstomorrow Unit2SearchingforInformation Unit2Searchingforinformation AdditionalquestionsforyourunderstandingofText5 2Scanningandskimming 1WhatwasthevirtualendoffarminginAmericanhistory PleaseexplainthedecliningtrendoffarmingworkersintheUS ThebiggestoccupationaldisplacementinAmericanhistorywasthevirtualendoffarming Decliningtrend AroundthetimeoftheRevolution about90percentofAmericanswereinvolvedinfarming Butastheagriculturalindustrygrew itneededfewerandfewerworkers Theabsolutenumberofpeoplewhoworkedatfarmingandranchinghititspeakinabout1910 ataround11or12million andthenthenumberdroppedoffrapidly Today agricultureprovidesfewerthantwomillionjobs AdditionalquestionsforyourunderstandingofText5 2Whatistheexamplethewritergivestoshowthatautomationmadeproductscheaper Theexampleis Around1900apoundofbreadcostanAmericanabouthalfanhourofhardfactorywork around2000 apoundoffresher morenutritiousbreadcostaboutfiveminutesofmucheasierwork 2Scanningandskimming Unit2Searchingforinformation AdditionalquestionsforyourunderstandingofText5 3WhatdoesthehistoricaltrendinAmericanworksuggest ThehistoricaltrendinAmericanworksuggestssomeoptimismthatbetterjobsforhumansarecoming buthistoryalsosuggeststhatfewtrendsmoveinthesamedirectionforverylong 2Scanningandskimming Unit2Searchingforinformation Enhancingyouracademiclanguage Matchthewordswiththeirdefinitions 5 c 10 i 1 e 2 h 3 a 4 g 6 b 7 j 8 f