新东方哈尔滨学校12月六级听力解析听力篇章及答案四级听力讲座1及讲座2原文及解析RecordingOneTodayI'mgoingtotalkaboutaveryspecialkindofperson.Psychologistscallthemmastersofdeception.Thoserareindividualswithanaturalabilitytotellwithcompleteconfidence,whensomeoneistellingalie.(16)Fordecades,researchersandlawenforcementagencieshavetriedtobuildamachinethatwilldothesamething.Now,acompanyinMassachusettssaysthatbyusingmagneticbrainscans,theycandeterminewith97%accuracywhethersomeoneistellingthetruth.TheyhopethatthetechnologywillbeclearedforuseinAmericancourtsbyearlynextyear.（17）Butisthisreallytheultimatetoolforyou?Thelawyersoftomorrow?Youwillnotfindmanybrainscientistscelebratingthisbreakthrough.Thecompanymightbeveryoptimistic,buttheabilityoftheirmachinetodetectdeceptionhasnotprovidedcredibleproof.That'sbecausethetechnologyhasnotbeenproperlytestedinrealworldsituations.Inlife,therearedifferentkindsofliesanddiversecontextsinwhichthey'retold.Thesedifferencesmayelicitdifferentbrainresponses.Doestheirhypothesisbehindthetestapplyineverycase?Wedon'tknowtheanswer,becausestudiesdoneonhowreliablethismachineishavenotyetbeenduplicated.Muchmoreresearchisbadlyneeded.Whetherthetechnologyiseventuallydeemedreliableenoughforthecourtswillultimatelybedecidedbythejudges.Let'shopethey'rewiseenoughnottobefooledbyamachinethatclaimstodeterminetruthfulnessattheflipofaswitch.Theyshouldalsobeskepticalofthegrowingtendencytotrytoreduceallhumantraitsandactionstothelevelofbrainactivity.Often,theydonotmapthateasily.Moreover,understandingthebrainisnotthesameasunderstandingthemind.Someresearchershavesuggestedthatthoughtscannotproperlybeseenaspurelyinternal.Instead,thoughtsmakesenseonlyinreferencetotheindividualsexternalworld.Sowhiletheremaybeinsightstobegainedfrommatchingbehaviortobrainactivity,thoseinsightswillnotnecessarilyleadtojusticeinacourtoflaw.Problemssurroundtheuseofmachinestospotdeception,atleastuntilithasbeenrigorouslytested.（18）Ahightechtestthatcantellwhenapersonisnottellingthetruth.Soundstoogoodtobetrue.Andwhensomethingsoundstoogoodtobetrue,itusuallyis.Question16.Whathaveresearchersandlawenforcementagenciestriedtodo?Questions17.HowdomanybrainscientistsrespondtotheMassachusettscompaniessocalledtechnologicalbreakthrough?Question18.Whatdoesthespeakerthinkofusingahightechtesttodeterminewhetherapersonistellingthetruth?讲座1解析如同上课时我们讲到的，讲座题一定要听好开头，开头往往揭示主题。本篇开头即提到一类人，mastersofdeception。对于生僻名词必然给出解释:Thoserareindividualswithanaturalabilitytotellwithcompleteconfidence,whensomeoneistellingalie.当我们听到Butisthisreallytheultimatetoolforyou?Thelawyersoftomorrow?Youwillnotfindmanybrainscientistscelebratingthisbreakthrough.时，我们得知很多科学家持反对意见。我们在设问后的问题之处得知but之后便是17题的答案，hasnotprovidedcredibleproof.本篇难点在于16,17题离得比较近，符合我们所讲的连续出题原则，考生须在确定一题答案后马上开始对下一题的判断。后面大段不出题，知道最后给出最后一题的答案。18题作者对于使用高科技仪器测谎的想法是toogoodtobetrue，所以需要选择和负面色彩相关的选项。RecordingTwoLastweek,IattendedaresearchworkshoponanislandintheSouthPacific.Thirtypeoplewerepresent,andallexceptmecamefromtheislandcalledMcclureinthenationofVanuatu.Theyliveinsixteendifferentcommunitiesandspeaksixteendistinctlanguages.Inmanycases,youcouldstandattheedgeofonevillageandseetheoutskirts...