2017年6月大学英语四级真题(三套全)及答案

第1页共19页2017年6月大学英语四级真题及答案(第一套)PartⅢReadingComprehension(40minutes)SectionAQuestions26to35arebasedonthefollowingpassage.Themethodformakingbeerhaschangedovertime.Hops(啤酒花)，forexample,whichgivemanyamodembeeritsbitterflavor,area(26)_______recentadditiontothebeverage.Thiswasfirstmentionedinreferencetobrewingintheninthcentury.Now,researchershavefounda(27)_______ingredientinresidue(残留物）from5,000-year-oldbeerbrewingequipment.WhilediggingtwopitsatasiteinthecentralplainsofChina,scientistsdiscoveredfragmentsfrompotsandvessels.Thedifferentshapesofthecontainers(28)_______theywereusedtobrew,filter,andstorebeer.Theymaybeancient“beer-makingtools,”andtheearliest(29_______evidenceofbeerbrewinginChina,theresearchersreportedintheProceedingsoftheNationalAcademyofSciences.To(30)_______thattheory,theteamexaminedtheyellowish,dried(31)_______insidethevessels.Themajorityofthegrains,about80%,werefromcerealcropslikebarley(大麦),andabout10%werebitsofroots,(32)_______lily,whichwouldhavemadethebeersweeter,thescientistssay.Barleywasanunexpectedfind:thecropwasdomesticatedinWesternEurasiaanddidn'tbecomea(33)_______foodincentralChinauntilabout2,000yearsago,accordingtotheresearchers.Basedonthattiming,theyindicatebarleymayhave(34)_______intheregionnotasfood,butas(35)_______materialforbeerbrewing.注意：此部分试题请在答题卡2上作答。A)ArrivedB)B)consumingC)C)directD)D)exclusivelyE)includingF)informG)rawH)reachedI)relativelyJ)remainsK)resourcesL)stapleM)suggestN)surprisingO)testSectionBDirections:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.TheBlessingandCurseofthePeopleWhoNeverForgetAhandfulofpeoplecanrecallalmosteverydayoftheirlivesinenormousdetail—andafteryearsofresearch,neuroscientists(神经科学专家)arefinallybeginningtounderstandhowtheydoit.[A]Formostofus,memoryisamessofblurredandfadedpicturesofourlives.Asmuchaswewouldliketoclingontoourpast,eventhesaddestmomentscanbewashedawaywithtime.[B]AskNimaVeisehwhathewasdoingforanydayinthepast15years,however,andhewillgiveyouthedetailsoftheweather,whathewaswearing,orevenwhatsideofthetrainhewassitting第2页共19页onhisjourneytowork.“Mymemoryislikealibraryofvideotapes,walk-throughsofeverydayofmylifefromwakingtosleeping,”heexplains.[C]Veisehcanevenputadateonwhenthosetapesstartedrecording:15December2000,whenhemethisfirstgirlfriendathisbestfriend's16thbirthdayparty.Hehadalwayshadagoodmemory,butthethrillofyoungloveseemstohaveshiftedagearinhismind:fromnowon,hewouldstartrecordinghiswholelifeindetail.“Icouldtellyoueverythingabouteverydayafterthat.”[D]Needlesstosay,peoplelikeVeisehareofgreatinteresttoneuroscientistshopingtounderstandthewaythebrainrecordsourlives.Acoupleofrecentpapershavefinallyopenedawindowonthesepeople’sextraordinaryminds.Andsuchresearchmightevensuggestwaysforusalltoreliveourpastwithgreaterclarity.[E]“Highlysuperiorautobiographicalmemory”（orHSAMforshort)firstcametolightintheearly2000s,withayoungwomannamedJillPrice.EmailingtheneuroscientistandmemoryresearcherJimMcGaughoneday,sheclaimedthatshecouldrecalleverydayofherlifesincetheageof12.Couldhehelpexplainherexperiences?[F]McGaughinvitedhertohislab,andbegantotesther:hewouldgiveheradateandaskhertotellhimabouttheworldeventsonthatday.Truetoherword,shewascorrectalmosteverytime.[G]Itdidn’ttakelongformagazinesanddocumentaryfilm-makerstocometounderstandher“totalrecall”，andthanktothesubsequentmediainterest,afewdozenothersubjects(includingVeiseh)havesincecomeforwardandcontactedtheteamattheUniversityofCalifornia,Irvine.[H]Interestingly,theirmemoriesarehighlyself-centred:althoughtheycanremember“autobiographical”lifeeventsinextraordinarydetail,theyseemtobenobetterthanaverageatrecallingimpersonalinformation,suchasrandom(任意选取的）listsofwords.Noraretheynecessarilybetteratrememberingaroundofdrinks,say.Andalthoughtheirmemoriesarevast,theyarestilllikelytosufferfrom“falsememories”.Clearly,thereisnosuchthingasa“perfect”memory—theirextraordinarymindsarestillusingthesameflawedtoolsthattherestofusrelyon.Thequestionis,how?[I]LawrencePatihisattheUniversityofSouthernMississippirecentlystudiedaround20peoplewithHSAMandfoundthattheyscoredparticularlyhighontwomeasures:fantasyproneness(倾向)andabsorption.Fantasypronenesscouldbeconsideredatendencytoimagineanddaydream,whereasabsorptionisthetendencytoallowyourmindtobecomefullyabsorbedinanactivitytopaycompleteattentiontothesensations(感受)andtheexperiences.“I’mextremelysensitivetosounds,smellsandvisualdetail,”explainsNicoleDonohue,whohastakenpartinmanyofthesestudies.“Idefinitelyfeelthingsmorestronglythantheaverageperson.”[J]Theabsorptionhelpsthemtoestablishstrongfoundationsforrecollection,saysPatihis,andthefantasypronenessmeansthattheyrevisitthosememoriesagainandagaininthecomingweeksandmonths.Eachtimethisinitialmemorytraceis“replayed”,itbecomesevenstronger.Insomeways,youprobablygothroughthatprocessafterabigeve