1、高中英语真题科普知识阅读理解5科普知识阅读理解(5)科普知识(阅读理解)由(2013辽宁,C)改编Hereisanastonishingandsignificantfact:Mentalworkalonecantmakeustired.Itsoundsabsurd.Butafewyearsago,scientiststriedtofindouthowlongthehumanbraincouldlaborwithoutreachingastageoffatigue(疲劳).Totheamazementofthesescientists,theydiscoveredthatbloodpassing
2、throughthebrain,whenitisactive,showsnofatigueatall!Ifwetookadropofbloodfromadaylaborer,wewouldfinditfulloffatiguetoxins(毒素)andfatigueproducts.ButifwetookbloodfromthebrainofanAlbertEinstein,itwouldshownofatiguetoxinsattheendoftheday.Sofarasthebrainisconcerned,itcanworkaswellandswiftlyattheendofeighto
3、reventwelvehoursofeffortasatthebeginning.Thebrainistotallytireless.Sowhatmakesustired?Somescientistsdeclarethatmostofourfatiguecomesfromourmentalandemotional(情感的)attitudes.Oneofsmostoutstandingscientists,J.A.Hadfield,says,“Thegreaterpartofthefatiguefromwhichwesufferisofmentalorigin.Infact,fatigueofp
4、urelyphysicaloriginisrare.”Dr.Brill,afamousAmericanscientist,goesevenfurther.Hedeclares,“Onehundredpercentofthefatigueofasittingworkeringoodhealthisduetoemotionalproblems.”Whatkindsofemotionsmakesittingworkerstired?Joy?Satisfaction?No!Afeelingofbeingbored,anger,anxiety,tenseness,worry,afeelingofnotb
5、eingappreciatedthosearetheemotionsthattiresittingworkers.Hardworkbyitselfseldomcausesfatigue.Wegettiredbecauseouremotionsproducenervousnessinthebody.1.Whatsurprisedthescientistsafewyearsago?()A.Fatiguetoxinscouldhardlybefoundinalaborersblood.B.AlbertEinsteindidntfeelwornoutafteradayswork.C.Thebrainc
6、ouldworkformanyhourswithoutfatigue.D.Amentalworkersbloodwasfilledwithfatiguetoxins.2.Accordingtotheauthor,whichofthefollowingcanmakesittingworkerstired?()A.Challengingmentalwork.B.Unpleasantemotions.C.Endlesstasks.D.Physicallabor.3.Whatstheauthorsattitudetowardsthescientistsideas?()A.Heagreeswiththe
7、m.B.Hedoubtsthem.C.Hearguesagainstthem.D.Hehesitatestoacceptthem.4.Wecaninferfromthepassagethatinordertostayenergetic,sittingworkersneedto.A.havesomegoodfoodB.enjoytheirworkC.exerciseregularlyD.discoverfatiguetoxins语篇解读:科学家们研究发现,单纯的脑力劳动不会使人感到劳累。真正使人感觉疲劳的是一些不良的情感态度。答案及剖析:1.C细节理解题。根据第一段中的Totheamazemen
8、tofthesescientists,theydiscovered.可知,大脑活跃时,流经大脑的血液没有表现出疲劳。故C项正确。2.B细节理解题。根据倒数第二段最后一句可知,使脑力劳动者疲劳的主要原因是不良的情感问题,如:厌烦、生气、焦急、紧张、忧虑等,故B项正确。3.A推理判断题。本文主要介绍了科学家的研究成果,作者对此进行了进一步的分析、论证,对情感态度导致人疲劳的观点持肯定态度,并未对此进行质疑,故A项正确。4.B推理判断题。根据最后两段的叙述可知,不良的心理和情感态度是导致脑力劳动者疲劳的主要原因,因而保持好的心理状态才会感觉精力充沛;B项意为“喜欢他们的工作”,符合文意,这就避免了导
9、致疲劳的烦躁、气愤等情感。其余几项都与导致疲劳的因素无关,故排除。【疑难词汇解读】appreciatevt.感激Idappreciateitifyouletmegetonwithmyjob.如能让我继续工作,我会非常感激的。【长难句子分析】,.如果从一个劳动了一天的人身上取一滴血,我们就会发现血中充满了疲惫的因素及产物。阅读理解。阅读下列短文,从给的四个选项(A、B、C和D)中,选出最佳选项。(2014山东实验中学一模)GlobalPositioningSystems(全球定位系统)arenowapartofeverydaydrivinginmanycountries.Thesesatelli
10、tebasedsystemsprovideturnbyturndirectionstohelppeoplegettowheretheywanttogo.However,theycanalsocausealotofproblems,sendyoutothewrongplaceorleaveyoucompletelylost.Manytimes,thedriveristoblame.SometimesaGPSerrorisresponsible.Mostoften,saysBarryBrown,itisacombinationofthetwo.BarryBrowniswiththeMobileLi
11、feCentreinStockholm,Sweden.HetoldusaboutanincidentinvolvingafriendwhohadflowntoanairportintheeasternUnitedStates.ThereheborrowedaGPSequippedcartouseduringhisstay.MrBrownsays,“Theyjustpluggedinanaddressandthensetofftotheirdestination.And,thenitwasntuntiltheyweredrivingforthirtyminutesthattheyrealized
12、theyactuallyputinadestinationbackontheWestCoastwheretheylived.Theyactuallyputtheirhomeaddressin.Soagain,theGPSiskindofgarbageingarbageout”MrBrownsaysthisisacommonhumanerror,butwhatmakestheproblemworsehastodowithsomeoftheshortcomings,orfailures,ofGPSequipment.Hesays,“OneproblemwithalotoftheGPSunitsis
13、theyhaveaverysmallscreenandtheyjusttellyouthenextturn.Becausetheyjustgiveyouthenextturn,sometimesthatmeansthatitisnotreallygivingyoutheoverviewthatyouwouldneedtoknowthatitsgoingtothewrongplace.”MrBrownsays,“Oneofthethingsthatstruckus,perhapsthemostimportantthingwasthatyouhavetoknowwhatyouredoingwhen
14、youuseaGPS.Therearethesenewskillsthatpeoplehavedeveloped.Therearethesenewcompetencies(资格)thatyouneedtohavetobeabletouseaGPSbecausetheysometimesgowrong.ThisgoesagainstacommonbeliefthatGPSsystemsareforpassivedriverswholacknavigationalskills.”BarryBrownsaystomakeGPSsystemsbetterweneedabetterunderstandi
15、ngofhowdrivers,passengersandGPSsystemsworktogether.1AccordingtoBarryBrow,inmostcases,_areblamefortheproblems.AhumanerrorsBGPSerrorsCerrorscausedbybothdriversandGPSDerrorscausedbyputtinginawrongaddress2TheexampleofBarryBrownsfriendisusedtoshowthat_.AGPSisnothingbutgarbageBGPSisstillnotaccurateenoughC
16、itisdifficultfordriverstouseGPSequipmentDsometimesdriversareresponsiblefortheproblem3Itcanbeinferredfromthesecondparagraphthat_.AitsimpossibletodrivefromtheeasttothewestintheBBarryBrownsfriendwenttoStockholm,SwedenbyplaneCgivenwronginstructions,theGPSwillproducewrongresultsDGPSsystemsareforpassivedr
17、iverswholacknavigationalskills4WhichofthefollowingsisoneoftheshortcomingsofGPSequipment?AItjusttellsthedrivertoturnonceatatime.BItgivesthedrivertheoverview.CItsscreenistoosmalltobeseenclearly.DItisonlysuitableforpassivedrivers.5Whatsthemainideaofthetext?AGPSsystemsarehelpfulfordrivers.BDrivingwithGP
18、Scanbedifficulttonavigate(导航)CDriversshouldunderstandhowGPSsystemswork.DDriversshouldlearntouseGPSsystemscorrectly.语篇解读本文是一篇议论文。文章主要介绍了开车用GPS导航系统也很难导航。1解析:细节理解题。根据文章第一段最后一句“Mostoften,saysBarryBrown,itisacombinationofthetwo.”可知,答案C符合文意。答案:C2解析:推理判断题。根据文章第二段倒数第二句“Theyactuallyputtheirhomeaddressin.”可知,
19、这次走错方向是由于人的疏忽导致的,不是GPS系统的原因,故答案D正确。答案:D3解析:推理判断题。根据文章第二段最后两句“Theyactuallypuytheirhomeaddressin.Soagain,theGPSiskindofgarbageingarbageout”和对全段的整体理解可知,答案C“给错误的指令,导航系统就会产生错误的结果”符合文意。答案:C4解析:细节理解题。根据文章第三段第二句“Hesays,OneproblemwithalotoftheGPSunitsistheyhaveaverysmallscreenandtheyjusttellyouthenextturn.”可
20、知,答案A符合文意。答案:A5解析:主旨大意题。根据文章第一段第三句“However,theycanalsocausealotofproblems,sendyoutothewrongplaceorleaveyoucompletelylost.”的开篇点题和对全文的整体理解可推知,答案B“开车用GPS导航系统有时候也很难导航”最能概括文章大意。答案:B。阅读理解。阅读下列短文,从给的四个选项(A、B、C和D)中,选出最佳选项。【2014德州模拟】Someanimalswilldefendtheirterritorybyfightingwiththosewhotrytoinvadeit.Fight
21、ing,however,isnotoftenthebestchoice,sinceitusesupalargeamountofenergy,andcanresultininjuryorevendeath.Mostanimalsrelyonvariousthreats,eitherthroughsoundsorsmells.Thesongsofbirds,thedrummingofwoodpeckersandtheloudcallsofmonkeysareallwarningsthatcarryforlongdistances,advertisingtopossibleinvadersthats
22、omeoneelsesterritoryisbeingapproached.Manyanimalsrelyonsmellstomarktheirterritoriesorleavingdroppingsaroundtheterritories.Otheranimalswillbewarnedofftheterritorywithoutevermeetingwiththeterritorysdefender.Sometimes,thesewarningsmaybeignored,andaninvadermaymoveaccidentallyintoaneighboringterritory,or
23、twoanimalsmaymeetneartheborderoftheirnearbyterritories.Whenthetwoanimalsmeet,theywillgenerallythreateneachotherwithvisual(视觉的)displays.Thesedisplayswilloftenexaggerateananimalssizebyputtingupfeathersorfur,orwillshowofftheanimalsweapons.Theanimalsmaygothroughallthebehavioroffightingwithouteveractuall
24、ytouchingeachother.Thedisplaysaregenerallyperformedbestnearthecenterofananimalsterritory,whereitismorelikelytoattackaninvaderandwhereretreatingbecomesmoreofachoice.Actualfightingusuallyonlyhappensinovercrowdedconditions,whenresourcesarenotenough.Seriousinjurycanresult,andoldorsickanimalsmaydie,leadi
25、ngtoamorebalancedpopulationsize.Undermostnaturalconditions,territorialityisaneffectivewayofmaintainingahealthypopulation.Thestudyofsocialbehaviorssuchasterritorialityinanimalsmayalsohelpustounderstandhumansociety.1Whattopicisthepassagemainlyinvolvedin?AWhatanimalsterritoryisusuallylike.BHowanimalsde
26、alwithdifferentthreats.CHowanimalsdefendtheirterritory.DWhereanimalfightstakeplacefrequently.2Formostanimals,whatstheirfirstresponsetothepossibleinvaderstodefendtheirterritory?AFightingingroups.BThreateningandwarning.CEscapingbeforebeinghurt.DAskingpartnersforhelp.3Whatdoestheunderlinedword“exaggera
27、te”inthesecondparagraphmean?AenlargeBchangeCshakeDshrink4Anactualfightwillhappenwhen_.AanimalsmeetneartheborderoftheirterritoriesBtheinvaderentersthedefendersterritoriesCthedefendernoticestheinvadersmallerthanitselfDthelivingresourcesarelimitedintheterritory5Thelastparagraphtellsusthatterritorialityhasaninfluenceonthe_oftheanimals.AcommunicationBconditionCpopulationDmigration语篇解读本文是一篇说明文。文章主要就动物如何保护自己的领地进行了介绍。1解析:主旨大意题。通读全文可知,本文主要就“动物如何保护自己的领地”进行了介绍。答案:C2解析:细节理解题。
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