英语六级阅读真题及答案讲解分享 英语四六级报名

下面小编跟大家一起了解英语六级阅读真题及答案讲解分享，希望对大家的学习有所帮助。

PassageOne

Questions46to50arebasedonthefollowingpassage.

Perhapsitistimeforfarmerstoputtheirfeetupnowthatrobotsareusedtoinspectcrops,digupweeds,andevenhavebecomeshepherds,too.Commercialgrowingfieldsareastronomicallyhugeandtakethousandsofman-hourstooperate.OneprimeexampleisoneofAustralia'smostisolatedcattlestations,SuplejackDownsintheNorthernTerritory,extendingacross4,000squarekilometers,takingover13hourstoreachbycarfromthenearestmajortown—AliceSprings.

Theextremeisolationofthesemassivefarmsleavesthemoftenunattended,andmonitoredonlyonceortwiceayear,whichmeansifthelivestockfallsillorrequiresassistance,itcanbealongtimeforfarmerstodiscover.

However,robotsarecomingtotherescue.

Robotsarecurrentlyunderatwo-yeartrialinWaleswhichwilltrain'farmbots'toherd,monitorthehealthoflivestock,andmakesurethereisenoughpastureforthemtograzeon.Therobotsareequippedwithmanysensorstoidentifyconditionsoftheenvironment,cattleandfood,usingthermalandvisionsensorsthatdetectchangesinbodytemperature.

"You'vealsogotcolor,textureandshapesensorslookingdownatthegroundtocheckpasturequality,"saysSalahSukkariehoftheUniversityofSydney,whowillcarryouttrialsonseveralfarmsincentralNewSouthWales.

Duringthetrials,therobotalgorithms(算法)andmechanicswillbefine-tunedtomakeitbettersuitedtoailinglivestockandensureitsafelynavigatesaroundpotentialhazardsincludingtrees,mud,swamps,andhills.

"Wewanttoimprovethequalityofanimalhealthandmakeiteasierforfarmerstomaintainlargelandscapeswhereanimalsroamfree,"saysSukkarieh.

Therobotsarenotlimitedtoherdingandmonitoringlivestock.Theyhavebeencreatedtocountindividualfruit,inspectcrops,andevenpullweeds.

Manyrobotsareequippedwithhigh-techsensorsandcomplexlearningalgorithmstoavoidinjuringhumansastheyworksidebyside.Therobotsalsolearnthemostefficientandsafestpassages,andallowengineersandfarmerstoanalyzeandbetteroptimizetheattributesandtasksoftherobot,aswellasprovidealivestreamgivingreal-timefeedbackonexactlywhatishappeningonthefarms.

Ofcourse,someworryliesinreplacingagriculturalworkers.However,itisfannersthatarepushingfortheadvancementsduetoever-increasinglaborvacancies,makingitdifficulttomaintainlarge-scaleoperations.

Therobotshaveprovidedmajorbenefitstofarmersinvariousways,fromhuntingandpullingweedstomonitoringtheconditionofeverysinglefruit.Futurefarmswilllikelyexperienceagreaterdealofautonomyasrobotstakeupmoreandmorefarmworkefficiently.

46.Whatmayfarmersbeabletodowithrobotsappearingonthefarmingscene?A)Upgradefarmproduce.B)Enjoymoreleisurehours.C)Modifythegenesofcrops.D)Cutdownfarmingcosts.

47.Whatwill'farmbots'beexpectedtodo?A)Takeupmanyofthefarmers,routines.B)Providemedicaltreatmentsforlivestock.C)Leadthetrendinfarmingtheworldover.D)Improvethequalityofpasturesforgrazing.

48.Whatcanrobotsdowhenequippedwithhigh-techsensorsandcomplexlearningalgorithms?A)Helpfarmerschoosethemostefficientandsafestpassages.B)Helpfarmerssimplifytheirfarmingtasksandmanagement.C)Allowfarmerstolearninstantlywhatisoccurringonthefarm.D)Allowfarmerstogivethemreal-timeinstructionsonwhattodo.

49.Whyarefarmerspressingforroboticfarming?A)Farmingcostsarefastincreasing.B)Roboticstechnologyismaturing.C)Roboticfanningisthetrend.D)Laborshortageisworsening.

50.Whatdoestheauthorthinkfuturefarmswillbelike?A)Moreandmoreautomated.B)Moreandmoreproductive.C)Largerandlargerinscale.D)Betterandbetterincondition.

PassageTwo

Questions51to55arebasedonthefollowingpassage.

Thepublicmustbeabletounderstandthebasicsofsciencetomakeinformeddecisions.Perhapsthemostdramaticexampleofthenegativeconsequencesofpoorcommunicationbetweenscientistsandthepublicistheissueofclimatechange,whereavarietyoffactors,nottheleastofwhichisabreakdowninthetransmissionoffundamentalclimatedatatothegeneralpublic,hascontributedtowidespreadmistrustandmisunderstandingofscientistsandtheirresearch.

Theissueofclimatechangealsoillustrateshowthepublicacceptanceandunderstandingofscience(orthelackofit)caninfluencegovernmentaldecision-makingwithregardtoregulation,sciencepolicyandresearchfunding.

However,theimportanceofeffectivecommunicationwithageneralaudienceisnotlimitedtohotissueslikeclimatechange.Itisalsocriticalforsociallychargedneuroscienceissuessuchasthegeneticbasisforaparticularbehavior,thetherapeuticpotentialofstemcelltherapyforneurodegenerativediseases,ortheuseofanimalmodels,areaswherethepublicunderstandingofsciencecanalsoinfluencepolicyandfundingdecisions.Furthermore,withcontinuingadvancesinindividualgenome(基因组)sequencingandtheadventofpersonalizedmedicine,morenon-scientistswillneedtobecomfortableanalyzingcomplexscientificinformationtomakedecisionsthatdirectlyaffecttheirqualityoflife.

Sciencejournalismisthemainchannelforthepopularizationofscientificinformationamongthepublic.Muchhasbeenwrittenabouthowtherelationshipbetweenscientistsandthemediacanshapetheefficienttransmissionofscientificadvancestothepublic.Goodsciencejournalistsarespecialistsinmakingcomplextopicsaccessibletoageneralaudience,whileadheringtoscientificaccuracy.

Unfortunately,piecesofsciencejournalismcanalsooversimplifyandgeneralizetheirsubjectmaterialtothepointthatthebasicinformationconveyedisobscuredoratworst,obviouslywrong.Theimpactofabasicdiscoveryonhumanhealthcanbeexaggeratedsothatthepublicthinksamiraculouscureisafewmonthstoyearsawaywheninrealitythesignificanceofthestudyisfarmorelimited.

Eventhoughscientistsplayapartintransmittinginformationtojournalistsandultimatelythepublic,toooftentheblameforineffectivecommunicationisplacedonthesideofthejournalists.Webelieve,thatatleastpartoftheproblemliesinplacesotherthantheinteractionbetweenscientistsandmembersofthemedia,andexistsbecauseforonethingweunderestimatehowdifficultitisforscientiststocommunicateeffectivelywithadiversityofaudiences,andforanothermostscientistsdonotreceiveformaltraininginsciencecommunication.

51.Whatdoestheexampleofclimatechangeservetoshow?A)Theimportanceofclimatedataisincreasinglyrecognized.B)Adequategovernmentfundingisvitaltoscientificresearch.C)Governmentregulationhelpsthepublicunderstandscience.D)Commonfolks'scientificknowledgecanswaypolicymaking.

52.Whatshouldnon-scientistsdotoensuretheirqualityoflife?A)Seekpersonalizedmedicalassistancefromdoctors.B)Acquireabasicunderstandingofmedicalscience.C)Havetheirindividualgenomesequenced.D)Makeinformeduseofanimalmodels.

53.Whyisitimportantforscientiststobuildagoodrelationshipwiththemedia?A)Ithelpsthemtoeffectivelypopularizenewscientificinformation.B)Itenablesthepublictodevelopapositiveattitudetowardscience.C)Ithelpsthemtoestablishamorepositivepublicimage.D)Itenablesthemtoapplytheirfindingstopublichealth.

54.Whatdoestheauthorsayistheproblemwithsciencejournalism?A)Itiskeenontransmittingsensationalinformation.B)Ittendstooversimplifypeople'shealthproblems.C)Itmaygiveinaccurateordistortedinformationtothepublic.D)Itmayprovideinformationopentodifferentinterpretations.

55.Whatshouldscientistsdotoimparttheirlatestfindingstothepublicmoreeffectively?A)Givetrainingtosciencejournalists.B)Stimulatepublicinterestinscience.C)Seektimelyassistancefromthemedia.D)Improvetheircommunicationskills.