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2022年湖北省襄樊市大学英语6级大学英语六级测试卷(含答案)学校:________班级:________姓名:________考号:________
一、2.ReadingComprehension(SkimmingandScanning)(20题)1.
Althoughsomepeopleareannoyedby______ofsingularthey,thisconstructionisusedmoreandmorefrequentlytosolvethepronounproblem.
2.
Public-libraryborrowersinAmericacanread80booksinoneyear.
A.YB.NC.NG
3.The"News"inEducation
Educationchangeswithtime.Becauseofthesechanges,thefaceofeducationandaccesstoeducationaredifferenttoday.Themostobviouschangeisthattherearedifferentthingstoteach.16fact,thereismuchmoretoteach.Learningandresearchhaveincreasedgreatlyinthepastcentury,greatadvancesinsciencemeanthatthereismuchmore,informationtoteach.Someoftheideasofthepastwerewrong,sothecontentofbooksisdifferent.Forexample,inabeginningbiologyclasstoday,morethan70%oftheinformationthatstudentslearntodaywasnotknowntwentyyearsago.That'sanimportantreasonforchange!Asscientistslearnmore,therewillbemoreforstudentstolearn.
Anotherreasonforchangesineducationisthattherearenewteachingtools.Forcenturies,schoolshadnobooks.Theteachersgavebylessonsexplainingideastostudents.Todayteachersandstudentsusebooks,includinge-books.Theyalsousetechnology.Forexample,manyofthemusecomputers,video,andon-linecommunication.Thereareevenelectronicclassrooms.Throughinteractiveinstructionaltelevisionnetworks(IITV),ateachercanteachstudentsindifferentplaces.TheirIITVclassroomsuseradiosignalsorsatellitecommunicationtocarrythecommunicationfromtowertotower.
TherearedifferencesbetweenthetraditionalclassroomandtheIITVclassroom,ofcourse.However,mostofthesedifferencesareeasytoovercome.Perhapsonestudentwantstohaveaprivateconversationwiththeteacher.IfteacherandstudenttalkontheIITVnetwork,thereisnoprivacy.Everyoneelseintheclasscanhearwhattheysay.Therefore,theirconversation,musthappenovertelephonelinesorthroughelectronicmail(e-mail).
Noonereallyknowshowthischangeinstudents'abilitytotalkprivatelywithateacherchangestheeducationalexperience.Somestudentsdecidenottotalktotheteacherbecauseitcannothappennaturallyafterclass.Shecouldsendane-mailmessageordecidenottobothertheteacher.Thislackofpersonalcontactwiththeteacherisjustonepotentialproblem.Anotheristhatthestudentsindifferentclassroomplacescannotspeakwithoneanotheraseasily.Onesolutiontothisdrawbackistheclasschatroom.Tofacilitatestudents'conversationaboutatopic,theteachercansetupanInternetchatroomorabulletinboard.Anumberofgeneraltopicsareposted,andthestudentscanwriteintheirthoughtsonthetopic.Somestudentsareshyofusingthesekindsofcommunicationtools.Perhapstheydon'thaveaccesstotheequipment,ormaybetheydon'tknowhowtogettoachatroomontheInternet.Communicationamongstudentsispossible,butittakesplacethroughamediumthatisdifferentfromvoicesinaclassroom.
Ontheotherhand,therearegreatadvantagestoteachingthroughIITV.Greatnumbersofstudentscan"attend"theclass.Educationisnotlimitedtothosewhoarenearauniversity.Anotheradvantageistheabilitytoshowthingstostudents.EveryIITVclassroomhasapadcamTM.Thisspecialcamerafocusesonanypicture,bookpage,orobjectthattheteacherwantsthestudentstosee.Thecamerafocusesonarectangle--thepad.Ateachercanputapicture,forexample,onthepadofthepadcamTM.Thepadcamhasazoomlens.Therefore,theteachercanfocusontinythingsinthepictureandmakethemmuchbiggerthanlife.ArthistoryteachersandanthropologistslovethepadcamTM.Theyuseittomaketheirlessonsmoreinteresting.Theycanshowdetailswithease.
ComputerprogramssuchasPowerPointconnecteasilytotheelectronicequipmentininteractivetelevision.Therefore,thepresentationofideascanhappenquitewell.Theteachercanputthemainideasonthescreen,sothestudentsknowwhatthemainideasofthelessonare.Anotheradvantageistheabilitytoi
A.YB.NC.NG
4.Whyaresleddogssaidtobephysicalwonders?
A.Becausetheyareraisedbywolves.
B.Becausetheycanstandmostsevereweather.
C.BecausetheyarefastestrunneramongArcticanimals.
D.Becausetheycanbeargoodslikehorsesdo.
5.
Theyadvertisementsarecleverandentertaining,they______peopletobuy.
6.
Thosewhoavoidcompetitivesportsinfavourofnoncompetitivephysicalactivitiesseemtobelookingfor______.
7.
TherearediscrepanciesbetweentrendsinsurfacetemperaturesandthoseinthetroposphereintheAntarctic.
A.YB.NC.NG
8.
Whatdowelearnabouttheuntreatedindustrialchemicalwastesfromthepassage?
A.Theycanconservethenormalbiologicalactionofrivers.
B.Theyallreactwithwatertoincreasetheacidityofrivers.
C.Theymakethewatercorrosiveenoughtodestroylivingorganisms.
D.Therearenorulesforconcentrationsofunquestionablytoxicchemicalsofdrinkingwater.
9.
WhichyearisthefewestinviolationoffederalsmogstandardsinLosAngeles?
A.1976B.1979C.1990D.2004
10.Accordingtotheauthor,thosefascinatedtotravelareheldbackfromtravelingaroundtheworldby______.
11.
AmericareapedgreatgainsfromIraqwardespitethemuchpainfrombothsides.
A.YB.NC.NG
12.
Evaluationofdepressioncanbeconductedonlywhensuchdepressionisnotattackingthepatient.
A.YB.NC.NG
13.
Thearticledealswiththelinkbetween____________________andthesuggestionstopreventthem.
14.Whatisnotsaidtobeawayofcleaningupafterourselves?
A.Throwlessaway.
B.Designrecycledproducts.
C.Don'tuseitagain.
D.Lastlonger.
15.
Anotherwayofsolvingthepronounproblemistouse______insteadofthesingular.
16.
Unresolvedconflictcanbedestructivetotheperformanceofteams.
A.YB.NC.NG
17.Thefirstuseoftheterm'organicfarming'isusuallycreditedto______inhis1940book,LooktotheLand.
18.PartⅡReadingComprehension(SkimmingandScanning)
Directions:Inthispartyouwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions17,choosethebestanswerfromthe.fourchoicesmarkedA),B),C)andD).Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.
howSATsWork
Testsareafactoflifethroughoutourschoolcareers,butoneofthemostimportant,and,tosomethescariest,ofthemallistheSAT—thatthree-hourexamthat'ssupposedtomeasureahighschoolstudent'schanceofacademicsuccessinthefirstyearofcollege.SomecollegesconsiderSATscoresmajorfactorsintheiradmissionprocess,whileothersviewhighschoolacademicperformance,alongwithrecommendationsandextracurricularactivities,equally,orevenmoreimportantly.Nomatterwhereyou'reheaded,ifyou'reahighschoolstudent,theSATisimportanttoyoubecausemostcollegesrequirestudentstoreporteitherSATorACTAssessment(anothertest)scores.
WhatIstheSAT?
Firstofall,SATnolongerstandsforScholasticAptitudeTest(学术性倾向测验),theoriginalnameofthetestwhenitwasintroducedin1941.Althoughyoumaystillseethatnameoccasionally,theCollegeBoard,thenot-for-profiteducationalassociationthatsponsorstheSATs,decidedtolettheacronymstandonitsownasawayofaddressingcontroversyaboutthemeaningoftheword"aptitude".TheCollegeBoardalsorejectedthealternative"ScholasticAssessmentTest".(Englishteachersprobablypointedoutthatthisnamewasredundant,sinceassessmentmeanstest.)
TheSATImeasuresverbalandmathreasoningabilitiesthatyou'vedevelopedthroughoutyourschoolyears.Themultiple-choicetest,developedbythenot-for-profitEducationalTestingService,isintendedtoletstudentsdemonstratetheirverbalandmathabilitieswithoutregardtothekindofschoolingthey'vehad.AccordingtotheCollegeBoard,thetestlooksforastudent'sabilitytounderstandandanalyzewrittenmaterial,todrawinferences,todifferentiateshadesofmeaning,todrawconclusionsandsolvemathproblemsallskillsthatarenecessaryforsuccessincollegeandtheworkworld.
TheAmericanCollegeTesting(ACT).Assessment,whichwasintroducedin1959,isanalternativetotheSATthatvirtuallyallcollegesanduniversitiesnowaccept.Developersofthetesttoutitforitscurriculum-basedquestions,sayingthattheirtestismoredirectlyrelatedtowhatisactuallytaughtinhighschool.
What'stheSATII
ThenewerSATII:SubjectTests,formerlytheCollegeBoardAchievementTests,areintendedtomeasureastudent'sknowledgeofaparticularsubject,suchasEnglish(writingorliterature),historyandsocialsciences,mathematics(variouslevels),sciences,andlanguages(Chinese,French,German,modernHebrew,Italian,Japanese,Latin,Spanish,English).SomecollegesrequireoneormoreSATIItests,buteveniftheyaren'trequired,SATIItestsscorescanhelpyoupresentamorepersonalizedportfoliothatillustrateshowwellyouwouldfitataparticularschool.MostcollegesuseSATIIscoresnotforadmissionpurposesbutforprogramplacementandcounseling.SATIItestsaregivenonaslightlydifferentschedulefromtheSATI.Generally,SATIItestsareonehourlongandconsistofmultiplechoicequestions.Thereareexceptions.Forexample,theWritingTesthas40minutesofmultiple-choicequestionsanda20-minutewritingsample.
Todecidewhichsubjecttestshouldbetaken,first,makealistofallthecollegesyou'reconsidering.ThenreviewtheircatalogsorwebsitestofindoutiftheyrequireSubjectTestscores
A.measurewhetherastudent'sabilitycanbesuccessfulinthefirstyearofcollege
B.evaluatehighschools'educationqualitythroughoutthecountry
C.helpimprovetheeducationincollegethroughoutthecountry
D.measurehighschoolstudents'chanceofafruitfullife
19.
Studieshaveshownthat______aretheNo.1reasonfordivorceforsomecouples.
20.
ManyoftheproblemsfacedbyWHOinitseffortstoimproveworldhealtharesubjecttothelackofresourcesandtoolittlepoliticalcommitment.
A.YB.NC.NG
二、3.ListeningComprehension(20题)21.听力原文:M:Fridayisapublicholiday.ShallwespendthelongweekendinNewYork?WecouldleaveThursdaynight.
W:I'drathergoonFriday.MyunclewilldropinonThursdayevening.Ihaven'tmethimforseveralyears,youknow.
Q:Whycan'tthewomangoonThursday?
(18)
A.She'llgotoheruncle's.
B.Shehasanappointmentwithherfriend.
C.She'llattendameeting.
D.She'llhaveavisitor.
22.
【B5】
23.(25)
A.Onesonandonedaughter.
B.Twosonsandtwodaughters.
C.Onesonandtwodaughters.
D.Twosonsandtwodaughters.
24.
【B7】
25.(36)
A.Hitler.B.DeGaulle.C.Churchill,D.Hindenburg.
26.(45)
27.
【B8】
28.(32)
A.Theirtamingforcircusesandzoos.
B.Thedestructionoftheirnaturalhomes.
C.Man'slackofknowledgeabouttheirbehavior.
D.Thegreatervulnerabilitytoextinctionthanotherspecies.
29.听力原文:W:NowI'vegotyourbackground.Let'stalkaboutthemanagementtraineescheme.Whatexactlydoyouthinkamanagerdoes?
M:Idon'tknowagreatdealaboutthework.
W:Buthaveyougotanyideasaboutit?Youmusthavethoughtaboutit.
M:Well,er,Isupposehehasalotof,er,whatiscalled,policymakingtodo.And,um,he'dhavetoknowhowtoworkwithpeopleandallaboutthecompany.
W:Um.
M:Yes,I,er,shouldthinkamanagermustknow,er,somethingaboutallaspectsofthework.
W:Yes,that'sright.Welikeourexecutivestafftoundergoathoroughtraining.Youngmenonourtraineeschemehavetoworkthrougheverybranchinthecompany.
M:Well,ifIhadtodoit,Isuppose.ButIwasthinkingthatmyFrenchandGermanwouldmeanthatIcouldspecializeinoverseaswork.I'dliketobesomesortofanexportsalesmanandtravelabroad.
W:Youknowthecharmoftravelingabroaddisappearswhenyou'vegottoworkhard.It'snotallfunandgame.
M:Oh,yes,Irealizethat.It'sjustthatmyknowledgeoflanguageswouldbeuseful.
W:Now,Mr.Smith,isthereanythingyouwanttoaskme?
M:Well,there'soneortwothings.I'dliketoknowifI'dhavetosignacontract,whatthesalaryisandwhattheprospectsare.
W:Withourscheme,Mr.Smith,thereisnocontractinvolved.Yourprogressiskeptunderconstantreview.Ifwe,atanytime,decidewedon'tlikeyou,thenthat'sthat!Wereservetherighttodismissyou.Ofcourse,youhavethesamechoiceaboutus.Asforsalary,you'dbeonourfixedscalestartingat870pounds.Forthesuccessfultrainee,theprospectsareverygood.
Questions23to25arebasedontheconversationyouhavejustheard.
23.HowdoesMr.Smithsoundwhenaskedwhatamanager'sroleis?
24.WhatdoesMr.Smithsayhewouldliketobe?
25.Whatcanwelearnaboutthemanagementtraineescheme?
(20)
A.Confident.B.Hesitant.C.Determined.D.Doubtful.
30.(29)
A.Chinaisdraftingnewlawstomakeiteasierforpatientstoselltheirorgans.
B.Chinaisdraftingnewlawstomakeiteasierforpeopletoselltheirorgans.
C.Chinaisdraftingnewlawstomakeiteasierforpeopletodonatetheirorgans.
D.Chinaisdraftingnewlawstomakeiteasierforcriminalstodonatetheirorgans.
31.
【B11】
32.听力原文:W:You'vegotanewcamera.Itlooksgoodandmustbeveryexpensive.
M:Itisgood.ButIgotitfornexttonothing.
Q:Whatdoesthemanmeanabouthiscamera?
(19)
A.Hegotthecameraataverylowprice.
B.Thecameraisveryexpensive.
C.Thecameraisworthnothing.
D.Hedoesnotlikethecamera.
33.SectionC
Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe
听力原文:Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeopleareanxiousandself-consciousthatis,theyexcessivelyconcernedwiththeirownappearanceandactions.Worrisomethoughtsareconstantlyoccurringintheirminds:WhatkindofimpressionamImaking?Dotheylikeme?DoIsoundstupid?AmIwearingunattractiveclothes?
ItisobviousthatsuchuncomfortablefeelingsmustaffectpeopleadverselyAperson'sself-conceptisreflectedinthewayheorshebehaves,andthewayapersonbehavesaffectsotherpeople'sreactionsIngeneral,thewaypeoplethinkaboutthemselveshasaprofoundeffectonanareasoftheirlives.
Shypeopleareverysensitivetocriticism;theyfeelitconfirmstheirinferiority.Theyalsofinditdifficulttobepleasedbycomplimentsbecausetheybelievetheyareunworthyofpraise.Ashypersonmayrespondtoacomplimentwithastatementlikethisone:"You'rejustsayingthattomakemefeelgood.Iknowit'snottrue."Itisclearthat,whileself-awarenessisahealthyquality;overdoingitisharmful.
Canshynesshacompletelyeliminated,oratleastreduced?Sinceshynessgoeshandinhandwithlackofself-esteemimportantforpeopletoaccepttheirweaknessesaswellastheirstrengths,people'sexpectationsofthemselvesmustberealistic.Livingontheimpassibleleadstoasenseofinadequacy.
Shynessisthecauseofmuchunhappinessforagreatmanypeople.Shypeopleareanxiousand(36)______;thatis,theyareexcessivelyconcernedwiththeirownappearanceandactions.(37)______thoughtsareconstantlyoccurringintheirminds:Whatkindof(38)______amImaking?Dotheylikeme?DoIsoundstupid?AmIwearing(39)______clothes?
Itisobviousthatsuchuncomfortablefeelingsmustaffectpeople(40)______,Aperson'sself-conceptis(41)______inthewayheorshebehaves,andthewayupersonbehavesaffectsotherpeople's(42)______.Ingeneral,thewaypeoplethinkaboutthemselveshasa(43)______effectonallareasoftheirlives.
Shypeopleareverysensitivetocriticism;theyfeelitconfirmstheirinferiority.(44)____________.AshypersonmayrespondtoacomplimentwithastatementlikethisOne:"You'rejustsayingthattomakemefeelgood.Iknowit'snottree."(45)____________.
Canshynessbecompletelyeliminated,oratleastreduced?(46)____________,people'sexpectationsofthemselvesmustberealistic.Livingontheimpossibleleadstoasenseofinadequacy.
34.(21)
A.Theanswerisclosebutnotexactlycorrect.
B.Theansweristotallyoutoftarget.
C.Theanswerisreallycorrect.
D.Theansweristooobvious.
35.听力原文:W:Here'sthisweek'sschedule.OnMonday,there'stheboardmeeting.YourspeechattheLion'sClubonTuesday.Then,onWednesday,you'resupposedtoseethedentist.
M:I'mgladIdon'thavetotraveltothebusinessconferenceuntilnextweek.
Q:WhatwillthemandoonTuesday?
(19)
A.Hemustseethedentist.
B.Hemustgiveaspeech.
C.Hehasameetingtoattend.
D.Hemusttraveltoabusinessconference.
36.听力原文:ThenumberofspeakersofEnglishinShakespeare'stimeisestimatedtohavebeenaboutfivemillion.Todayitisestimatedthatsome300millionpeoplespeakitasanativelanguage,mainlyintheUnitedStates,Canada,GreatBritain,Ireland,SouthAfrica,AustraliaandNewZealand.InadditiontothestandardvarietiesofEnglishfoundintheseareas,thereareagreatmanyregionalandsocialvarietiesofthelanguageaswellasvariouslevelsofusagethatareemployedbothinitsspokenandwrittenforms.Infact,[30]itisimpossibletoestimatethenumberofpeopleintheworldwhohaveacquiredanadequateworkingknowledgeofEnglishinadditiontotheirownlanguage.ThepurposeforEnglishlearningandthesituationsinwhichsuchlearningtakesplacearesovariedthatitisdifficulttoexplainandstillmoredifficulttojudgewhatformsanadequateworkingknowledgeforeachsituation.
ThemainreasonforthewidespreaddemandforEnglishisitspresentimportanceasaworldlanguage.Besidesservingtheindefiniteneedsofitsnativespeakers,Englishisalanguageinwhichsomeofimportantworksinscience,technologyandotherfieldsarebeingproduced,andnotalwaysbynativespeakers.Itiswidelyusedforsuchpurposesasairportcommunications,internationalconferences,andthespreadofinformationovertheradioandtelevisionnetworksofmanynations.Itisalanguageofwidercommunicationforanumberofdevelopingcountries,especiallyformerBritishcolonies.[31]Manyofthesecountrieshavemultilingualpopulationsandneedalanguageforinternalcommunicationinsuchmattersasgovernment,commerce,industry,lawandeducationaswellasforinternationalcommunicationandforentrancetothescientificandtechnologicaldevelopmentsintheWest.
(30)
A.Languagespeopleuseininternationalcommunication.
B.ThepopularityofEnglishasaworldlanguage.
C.ThedevelopmentofEnglishasanativelanguage.
D.ThevarietyofEnglishinspokenandwrittenforms.
37.听力原文:M:Ihaveaspecialguesttoday,Shirley.Shirley,youtrulyhaveanamazinggarden.Couldyouletusknowhowyouputthistogether?
W:ThisspringItookasquare-footgardeningclass,andIdecidedtotrysomeofthethingsI'velearned.Um,oneofthemostimportantthingsinsquare-footgardeningisthatyouchooseagoodlocation.Youneedatleast6to8hoursofdirectsunshine.Youalsoneedtochoosealocationthathasgooddrainage,anditshouldbeaconvenientlocation.Agardenisalotmorefunifyouarewalkingbyandseeingitallthetime.Um,youneedtodecidewhatkindofcontainersyouwant,or,inmycase,Iusedwoodenboxes.
M:Well,Shirley,I'venoticedtheseverticalbeams.I'veneverseenthatbefore.Couldyouexplainthattousalittlebit?
W:Rightherewehavesomecantaloupe,andcantaloupetakealotofspacewhenyougrowthemoutontheground,andIdon'thavethatmuchspace,soIjustgrowthemup.Ijustmadeametalframe,andtooksomestring.Ijustallowthemtogrowup,andtheywillsupportthemselves.
M:Thisisamazing.Inoticedinthisgarden,thereisavastamountofvegetation.
W:Well,overonthefarend,Ihavetomatoesgrowingvertically.InfrontofthoseIhavegreenpeppers,basil,strawberries,beets,greenbeans,corn,carrotsandsoon.Righthere,asIsaidbefore,Ihavecantaloupe.Downatthebottom,IhavesomeMexicantomatoes.Anddownatthisend,Ihaveeggplant,anotherkindofpeppercalledbananapeppers,cucumbers,okra,pumpkins...andIthinkthat'saboutit.
M:I'msoimpressed.I'dtiketothankyouverymuchforhavingusintodaytolookatyourgarden.
(23)
A.Byattendingaclass.
B.Fromherparents.
C.Throughagardeningmagazine.
D.Fromherneighbors.
38.(24)
A.Fromanewspaperadvertisement.
B.Fromamagazinearticle.
C.Fromatelevisionprogram.
D.Fromanautomobiledealer.
39.(22)
A.Hewassurelyunderhugepressure.
B.Thecafeteriawasnotoneofhisgreatestachievements.
C.Hedidalmostnothingsignificant.
D.Hewasthegreatestleaderofthestudents'union.
40.(26)
A.GotoseeCirqueduSoleilintown.
B.Goshopping.
C.Gotomeetthemagician.
D.GotoseeCirqueduSoleilwiththewoman.
三、4.ReadingComprehension(ReadinginDepth)(20题)41.
Whatpossiblyresultedintheevolutionfromleaflesstreetoflatleaves?
A.ThedecreaseCO2inlevels.
B.Theincreaseofforests.
C.Thedropoftemperatures.
D.Thechangeofclimatesliketoday.
42.
Thereductionofthe______canleadtogreatereconomicactivity.
43.
WhichofthefollowingisNOTtrue?
A.TheEskimosseldomsufferfromcolds.
B.Coldsarenotcausedbycold.
C.Peoplesufferfromcoldsjustbecausetheyliketostayindoors.
D.Apersonmaycatchacoldbytouchingsomeonewhoalreadyhasone.
44.
AllthefollowingstatementsareFalseofDenisNaydenEXCEPTthat______.
A.thereorganizationmakeshimlosehispositionasachairman
B.hewillremainforsometimeatGEasananalyst
C.heiscurrentlyGE'schairman
D.heisexpectedtostartanewGEfinancialfirminthenearfuture
45.
What'sthedifferenceindresshabitsbetweenpeopleoftheclassicalperiodandthoseofthemodernperiod?
46.SectionA
Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.
Researchersannouncethatthey'vebuilttheworld'sfirstinvisibilitycloak.Thedeviceworksonlyintwodimensionsandonlyonmicrowaves.
"Theconceptthatyoucancloaksomethingandmakesomethinginvisiblecannowbedemonstrated,"saidDukeUniversityphysicistDavidR.Smith."Thisisthefirsttimewhereweshowthatyoucanactuallytakeelectromagneticwavesandwrapthemaroundsomeregionthatyouwanttoconcealandrestorethemontheotherside."
Anuncloakedobjectwouldcauseaninterruptioninthewaves,creatinga"shadow"behindtheobject.Butthecloaksucceededinmakingthewavesreconnectontheotherside.
Theelectromagneticsleight-of-hand(巧妙的手法)isenabledbynovel,human-madesubstancescalledmetamaterials."Usingthesematerials,youcancreateafield-regioninspacewherenoelectromagneticphenomenapenetrate,"saidteammemberSirJohnPendry,aphysicistatEngland'sImperialCollegeLondon.
Researcherssaythenewtechnologycouldaidantennaandradardesigns—nottomentionobviousmilitaryapplications,likehidingspyplanesorevenbuildings.Butscientistshavealongwaytogo.Thenew,experimentalcloakmeasuresjust5inches(13centimeters)wideand0.4inch(1centimeter)tall.Tomakeitwork,researcherspainstakinglytunedthedesignofthecloak'smetamaterialpartssothatincomingmicrowavesslippedarounditsinnersurface.
Schurigandhiscolleaguessaytheircloakcreatedaspacenearly,butnotcompletely,invisibletomicrowaves.Thedevicestillgeneratesaminutereflectionandshadow.
Expertssaythebreakthroughwillcertainlyconjure(使出现)excitement."Cloakinghasbeenalong-timedreamformanyscientists,"saidXiangZhang,ametamaterialsengineerandphysicistattheUniversityofCalifornia,Berkeley,whowasnotinvolvedintheresearch."Ifwelookattheseexperiments,ofcourse,itdoesn'tgiveyouthree-dimensional,arbitraryshapecloaking,"butthenewcloakingdeviceissignificantnonetheless,hesaid.
Theteamsaystheirnextgoalistobuildasphericalinvisibilitycloakthatshieldsmicrowavesinthreedimensions,atasktheydescribeasvastlymoredifficult.Buttheyareconfidentitcanbedone.
Whilethegeneraldesigntheoryhasbeenworkedout,metamaterialfabricationtechnologyhasyettocatchup.Researchersarestillpuzzlingover,amongotherthings,howtomakemetamaterialsthatworkforlightinthevisiblespectrum,whichhassmallerwavelengthsthanmicrowaves.
Indeed,itmaybeimpossibletobuildacloakthatcanblockallthecolorsfoundinthevisiblespectrum,theteamsays."Alltechnologieshaveproblems,exceptwhenthey'remagic,"DukeUniversity'sSmithsaid.
Theinvisibilitycloakcanmakesomethinginvisiblebywrapping______.
47.
WhatdoesAngulosayaboutthebacteria'santibioticresistance?
48.
Fromthepassage,wecaninferallexceptthat______.
A.Eskimosaremorelikelytoeatwolvesinsummer
B.Eskimowomenareresponsibleforhousework
C.animalmeatisEskimos'mainsourceoffood
D.huntingisanimportantpartofEskimolife
49.SectionB
Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.
ThestateofHawaiiturns50thisyear.Peoplethereshouldbehappy.Butit'shard.
Theeconomyisreallybad.Thehousingmarketandconstructionindustryareindeepslumps.Tourismhasbeenhammeredbytherecessionandswineflu.Unemploymentisdoublewhatitwasayearago.Toclosea$688millionbudgetgap,thegovernorannouncedthemostdrasticholidayprograminthecountry.She'sclosingstateofficesthreedaysamonth,fortwoyears.AlohaFriday,wherepeoplegotoworkinalohashirtsandmuumuus,isgoing
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