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2022年江西省景德鎮(zhèn)市大學(xué)英語6級大學(xué)英語六級重點(diǎn)匯總(含答案)學(xué)校:________班級:________姓名:________考號:________
一、2.ReadingComprehension(SkimmingandScanning)(20題)1.
TheoilynatureoftheGiantPandas'furcanprevent______.
2.
PeoplecansendyoudatawithoutyourpermissionbecausetheBluetoothconnectionis_______________.
3.
Newton'sstudyoflightledhimtolearnwhy______seenthroughatelescopedonotseemsharpandclear.
4.
Millionsofpeoplekeeplivefishesinhomeaquariumsforbiologicalresearch.
A.YB.NC.NG
5.
Somefamouscompaniesaredesigningsomestorestodisplaytheirproducts,hopingthatpeoplewill______.
6.
Awomanneedsspecialevaluationifshehassomesymptoms,suchasrecurrentchestpainandunexplainedable______.
7.
Theforeignteacherplanstoaddtohisnewcontractthatheshouldget______.
8.Feldmancitedtheexampleofwildanimalstoshowthat______.
A.wildanimalsaregoodatprotectingtheirlife
B.deceivingformedintheprocessofevolution
C.humanbeingslieinthesamewayasanimals
D.modempeoplearemoreselfishthananimals
9.
Manyparentstelltheirchildrenthatwealthissomethingthathasn'ttobegenerated.Itissomethingthatcanflowfromparents.
A.YB.NC.NG
10.
CollegestudentsdonotadmittheyareInternetaddictsinthepresenceofpeople,butthey______.
11.
Theproblemseitherwiththedispensermechanismorwiththebillscanleadto______.
12.
Thereisahigherprobabilityforpeopletoinviteyoutotheirpartiesinthefutureifyou______atparties.
13.CryosatshouldhelpfigureoutwhatishappeningattheWestAntarcticfringebecauseitsradaraltimetersshouldbeableto______.
14.
Inthe17th,France'snationallibrarywasfoundedinParis.
A.YB.NC.NG
15.
Tocertainextent,GMcropsareregardedas______sincethegeneinsertedintoaplantcannotbeseen,tastedortouched.
16.
TheIndiansatfirstdidnotliketheMissionbecausetheyfeltthatitwasinfavorof______.
17.Youdon'thavetobe18:Goingtocollegeasanadult
Everysooften,especiallywhenI'mfeelingdown,Itakeoutmyoldcollegenotes,textbooksanddiplomas,andtakealittlestrolldownmemorylane.IrememberthefunIhadincollege,thepeopleImet,theprofessorswhotaughtmeandtheexperiencesthatchangedmylife.AndI'mgladImadethesacrifices.
Aftergraduatinghighschool,Ithoughtcollegewasn'tforme.Iservedafour-yearstintintheU.S.MarineCorps,andthentookajobwiththepostalservice.Inmynavet,Ithoughtthatmovingupwithintheagencywouldbefairlyeasy.Iwasbright,knowledgeable,eagertolearnnewthingsandwillingtoputinthetimeneededtodevelopmyself.ButIranintoabrickwall.Itseemedtherewasaninsidetrack,andIwasdefinitelynotonit.Afteraboutayearandahalf,Irealizedthatmychancesofadvancementwerenil,anditwastimetodosomethingaboutit.
Ifloatedtheideaofattendingcollegetomycoworkersandsuperiorsandtheresponsewasmostlynegative.Buttherewereafewpeoplewhothoughtitwasagoodidea,andIdidaLotofthinking.Isawtwochoices:1.StaywhereIwas,miserableinalow-leveljob.2.Takeachanceandgivecollegeatry.SincemyjobwasLeadingmenowhere,Idecidedtostartcollege.
Overcomingtheinitialobstacles
WhenIstarted;Iencounteredalotofresistancefrompeopleatwork.Thephrase"careerstudent"wasbandiedaboutatme,asifIwaslearningnothingpracticalandbasicallytryingtoavoidgrowingup.Actuallyitwastheotherwayaround,Isawstayinginmyjobasawaytoavoidfacingresponsibilities,andcollegeasamorerealworld—andanislandofsanityinmylife.
Whileitmadelittledifferencetomeifmycoworkersorbossessupportedmydecisiontoattendcollege,Ididwantmyfamilybehindme.Thesupportwasthere-Ididn'tneedanyfinancialhelp,butIgotalotofmoralsupportfrommyparents,aswellasfromfriendsandrelatives.
ProbablythebiggestobstacleIfaced,sinceIwasplaguedbydoubtsaboutmyownintelligenceandabilities,wasjustgettingstarted.IdecidedtostartclosetohomeanddomyfirsttwoyearsofcollegeatPalmBeachCommunityCollege,whichwasonthewaytowork,andthentransfertoFloridaAtlanticUniversity,whichwasmoreoutoftheway.
IhaddrivenpastthecampusofPalmBeachCommunityCollegeseveraltimes.Inthespringof1987,Ifinallyworkedupthenervetogointotheadmissionsoffice.Formanypeoplethatfirststepisabigone,andit'seasytobelievethatoneissteppingintoanabyss,butPBCCwasflexibleenoughforme.IhadtotaketheAmericanCollegeTestand,afterscoringwellonthat,wasabletoregisterforclasses.MyfirstclasswasintroductiontotheSocialSciences,andfromthemomenttheprofessorbegantolecture,IknewIhadfoundaplacewhereIcouldlearnandgrow.
CultureShock
Youmightexpecttoexperiencecultureshockincollegeafteryourday-to-dayexperiences.Ifound,instead,thatmostofthecultureshockhappenswhenyouleaveclassandgobacktowork.Forwhileyourcoworkersandbossesarenotchanging,youare.
Youmayfindyourselfcollidingwiththepeopleatwork.Theymayfindthatyournewhabits,likestudyingduringbreaksandlunch,andnotgoingtothelocalbartodrinkandgripeaboutwork,aredisturbingthestatusquo(當(dāng)前的狀況).
Youmayevenbetemptedtogiveup.Pleasedon't.Itmaybedifficult,youmaybeexhaustedandyoumayhavetotuneoutcriticism,butIcantellyoufromexperiencethatit'sallworthitonthedayyouputonthecapandgownandreceiveyourdiploma.
Collegelifeforadults
Soyou'vegoneanddoneit.Youhavebeenacceptedformatriculation(注冊入學(xué))atacommunitycollegeoru
A.hecouldseenohopeofmovinguptheladderinthepostalagency
B.hewaseagertolearnnewthingsallhislife
C.hisrelativesandfriendsurgedhimtoreceivefurthereducation
D.withoutadiplomahecouldnotget'promotioninhisorganization
18.
MonsieurLabelandhiswifesendtheirchildrentolearnChinesebecausetheyhopethattheirchildrencanlearnasmanyforeignlanguagesaspossible.
A.YB.NC.NG
19.
ThedetailsoftheOlympicTorchRelay,suchastherouteorthestops,aredecidedbythe______.
20.
Asaresult,hisdoublelifeminedhisteachingcareer.
A.YB.NC.NG
二、3.ListeningComprehension(20題)21.聽力原文:W:I'llneedtomeetwithyoubeforeyougoonvacationnextTuesday,Alex.Ihaveafewthingstoclearup.Howabouttheteatimethisafternoon?
M:Sorry,butmyscheduleisverytightthisweek.IthinktheonlytimeIamfreeisatlunchthisWednesday.
Q:Whenwillthetwospeakersmeet?
(19)
A.Atteatimethisafternoon.
B.AtlunchnextTuesday.
C.AtlunchonWednesday.
D.AtteatimeonWednesday.
22.(36)
A.Keeptheminfamily-baseddaycarecenters.
B.Letthemstaywiththeirparentsorteachers.
C.Askelderlyadultstoattendthem.
D.Hireanexperiencedbaby-siner.
23.
【B8】
24.(32)
A.ChangesinLifestyle.haveastronginfluenceonbusiness.
B.Babygoodsmakemoneyeasily.
C.Businessmenareonlyinterestedinbabies.
D.Businessshouldalwaysbereadytomeetthebabies'needs.
25.
【B6】
26.(26)
A.Husbandandwife.
B.PersonnelManagerandsecretary.
C.SalesManagerandManager-general.
D.Theycanbeinterestingonlytosmallgroupsofpeople.
27.聽力原文:M:Hi,Carla!You'relookingbetter.It'snicetohaveyouback.
W:Thanks.Ihavemissedsomanyclassesthesedays.IjusthopeIcancatchuponalltheworkI'vemissed.
Q:Whatdoesthewomanimply?
(14)
A.Shemissedherfriends.
B.Shethinksshe'scatchinganothercold.
C.Shelikestomatosauceoneverythingsheeats.
D.hasalotofworktomakeup.
28.(34)
A.Aftertheartworkisreviewedbylawyers.
B.Afteralldocumentsarefiled.
C.Whentheartistfirstgetsanidea.
D.Whenthemomentoftheworkofartisfinished.
29.(21)
A.Somewherethatiswithinashortdrivingdistanceofcampus.
B.Anapartmentwithfurniturealreadyinit.
C.Aplacewhereshecanlivealone.
D.Aquietroomwhereshecanstudywithoutinterruption.
30.(35)
A.Checkyournumberandcallagain.
B.Telltheoperatorwhathashappened.
C.Asktheoperatortoputyouthrough.
D.Asktheoperatorwhathashappened.
31.(22)
A.Studyaweathermap.
B.Visitaweatherstation.
C.Watchaweatherreport.
D.Gotoastormshelter.
32.聽力原文:M:Hey,Karen.Looklikeyou'vegetsomesunthisweekend.
W:Yeah.Iguessso.Ispenttheweekendatthebeach.
M:Oh,that'sgreat.Wheredidyoustay?
W:Somefriendsofmyparentsliveoutthere,andtheyinvitedmethereforaslongasIwanttostay.
M:Oh,that'sgreat.Buthowcomeyoucamebacksosoon?IfIwereyou,Iwouldstaytherelonger.
W:Oh,Ihatedtodoit,butIhadto.I'vegotapapertoworkon.Ijustcouldn'tdoanyseriousstudyingatthebeach,youknow.
M:Idon'tblameyouthen.Sowhatdidyoudoatthere?Imeanbesideslyingoutinthesun,youmusthaveotherthingstoenjoyyourself.
W:Yeah.IjoggedupanddownthebeachandIplayedsomevolleyball.YouknowIneverrealizedhowharditistorunonsand.Icouldn'tgetthroughawholegamebeforeIhadtositdown.It'smucheasiertorunonwetsandnearthewater.
M:Ithinkso.Didyougoswimming?
W:Iwantedto.Buttheysaidthewaterisn'twarmenoughforthatuntilacoupleofmonthsfromnow.SoIjustwadedinuptomyknees.
M:Itallsoundssorelaxing.IwishIcouldgetawaytothebeachlikethat.
W:Itlookslikeyoucoulduseit.Don'ttellmeyouspenttheweekendinthelibraryagain.
M:Seemsyouareright.I'vegotapaperduenextMonday.
(20)
A.Relaxingattheseashore.
B.Visitingherparents.
C.Sailingonaboat.
D.Preparingforarace.
33.(28)
A.Becomesusefulorhelpful.
B.Getssomethingusefulorhelpful.
C.Fallsill.
D.Getshurt.
34.(15)
A.It'stoolateforthemantofindatutor.
B.Shehasn'tpreparedforthemidtermexameither.
C.Themanshouldn'thirethesametutorthatshehad.
D.Themanshouldhireatutorbeforethemidtermexam.
35.聽力原文:Wecanagreewithprimitivemanthatfoodisabasicneed,butwedifferfromhiminourfoodwantsbecauseofthewidevarietyoffoodwehaveavailablecomparedwithhim;wehaveawiderchoice.Takefruitforexample,notonlycanweenjoythefruitsgrowninhiscentury,butbecauseofmodernmethodsoftransportandfoodpreservation,wecanalsoenjoymorefruitsfromforeigncountries,whereasprimitivemanislimitedinhischoicetothekindsoffruitwhichactuallygrowwherehelives.
Howevertheydifferinsatisfyingtheirhunger,primitiveandcivilizedmenbothexperiencethebasicneedforfood.
Thesameistrueofthesecondofourhumanneeds.Clothingisnecessarytoregulatetheheatofourbodies.Sinceweliveinatemperateclimateweneedmoreclothesthanpeoplelivingintropicalconditions.Likewise,ourclothingneedstochangewiththeseasons.
Shelter,thethirdofourneeds,dependsupontheclimate,theskillofthebuilder,one'ssocialposition,andthematerialsavailable.Thesimpleshelterofprimitivemanwouldnotdoforus,andyetitsatisfieshisneeds.Thethree-bedroomsuburbanhouseoftheaveragefamilywouldnotbegrandenoughforarichfamily,andyetthemodernhousecontainsmanyofthematerialcomfortswhichweredeniedtotheKingsandQueensofold.
(33)
A.Foodisnolongerabasicneedforus,whileitwasforprimitivepeople.
B.Weeatawidevarietyoffood.
C.Wenolongereatfruitthatprimitivepeopleeverate.
D.Weeatmorefoodthanprimitivepeopledid.
36.聽力原文:DuringtheChristmasshoppingrushinLondon,aninterestingstorywasreportedof[32]atrampwho,apparentlynofaultofhisown,foundhimselflockedinawell-knownchainstorelateonChristmasEve.Nodoubtthestorewascrowdedwithlast-minuteChristmasshoppersandthestaffweredeadbeatandlongingtogethome.Maybeallthepropersecuritychecksweremadebeforethestorewaslockedandtheylefttoenjoythethree-dayholidayuntroubledbycustomersdesperatetogetlast-minuteChristmaspresents.
Howeverfunnythatmaybe,ourtrampfoundhimselfaloneinthestoreanddecidedtomakethebestofit.[33]Therewasfood,drink,beddingandcampingequipment,ofwhichhemadegooduse.Theremustalsohavebeentelevisionsetsandradios,thoughitwasnotreportedifhetookadvantageofthesethings.Whentheshopre-opened,hewasdiscoveredinbedwithalargenumberofemptybottlesbesidehim.Heseemstohavebeenamanofgoodhumorandcalmcharacter—asindeedtrampsverycommonlyare.[34]Hegavein,cheerfullyenough,tobeingtakenawaybythepolice.PerhapshehadhadabetterChristmasthanusual.Hewassenttoprisonforsevendays.Thejudgeawardednocompensationtothechainstoreforthefoodanddrinkourtramphadconsumed.[35]Theyhad,inhisopinion,alreadyreceivedvaluablefreepublicityfromthecoveragethestoryreceivedinthenewspaperandontelevision.
(33)
A.Herushedintoashopthelastminutebeforeitwaslocked.
B.Hewaslockedinastorewhilethestaffhurriedhome.
C.HereceivedalotofanonymousChristmaspresents.
D.Hebeattheownerdeadwhenbreakinginthestore.
37.(24)
A.Itoffersstudentsachancetospeakandsharetheirminds.
B.Ithelpsstudentssitthereandlistenmorecarefully.
C.Itgivesteachersmoretimetoprepareforclass.
D.Itcanbeorganizedbystudentsthemselves.
38.【B10】
39.【B1】
40.SectionB
Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.
聽力原文:TheWorldSocialForummetforthefirsttimeattheendoflastmonthinPortoAlegre,Brazil.TheWorldSocialForumisanewinternationalconferencethatwillmeeteveryyear.Itsgoalistocreateandexchangesocialandeconomicprojects.Theprojectswillsupporthumanrights,socialjusticeanddevelopmentthatdoesnotwastenaturalresources.
MostoftherepresentativesattherecentWorldSocialForumopposeglobalization.Theydonotagreewiththeeconomictheoryofaworldwideeconomy.Somepeopleattendingtheforumwantedtoendthemovementtowardaglobaleconomy.Otherswantedtoreform.it.
ActivistsattheWorldSocialForumsayglobalizationpolicieshavecausedagreaterinequalitybetweenthepoorestandtherichestpeopleintheworld.TheForummettofindwaystosupporteconomicpoliciesbasedontheneedsofpoorpeopleandtheenvironment.
UnitedNationsstudiesshowthatthepoorest20%oftheworld'speoplehavelosthalfoftheirshareoftheworld'sincomesince1960.Theirsharedroppedfrom2.4%to1.1%.Duringthesameyears,incomeincreasedfortherichesttwentypercentofthepopulation.Therichpeopleincreasedtheirshareofworldincomefrom69%to86%.
(27)
A.Tofightagainstsocialinjustice.
B.Todevelopandexchangesocialandeconomicprojects.
C.Tolaunchacampaignagainstenvironmentalpollution.
D.Topreservenaturalresources.
三、4.ReadingComprehension(ReadinginDepth)(20題)41.
Whatistheauthor'sattitudetowardsRussia?
A.Suggestive.B.Prejudicial.C.Sympathetic.D.Objective.
42.
Whatistheadvantageinusingthermographytodetectcancer?
A.Itisveryaccurateindetectingbreastcancer.
B.Itcanindicateverysmallcancers.
C.Itaddstodoctors'skillsintreatingdisease.
D.Itishelpfultosavelives.
43.Whichofthefollowingistrueaboutthepresentswinefluviruses?
A.Thevirusescaninfectdifferentspecies.
B.Thegenesofthevirusescomefrompigs.
C.Thevirusesmixgenesfromdifferentspecies.
D.Thegenesofthevirusesweremadeartificially.
44.
Theword"boon"attheendofparagraph1isclosestinmeaningto______.
A.successB.accomplishmentC.dreamD.benefit
45.
【C2】
46.Nooneshouldbeforcedtowearauniform.underanycircumstance.Uniformsaredemandingtothehumanspiritandtotallyunnecessaryinademocraticsociety.Uniformstelltheworldthatthepersonwhowearsonehasnovalueasanindividualbutonlylivestofunctionasapartofawhole.Theindividualinauniform.losesallself-worth
Therearethosewhomythatwearingauniform.givesapersonasenseofidentificationwithalarger,moreimportantconcept.Butwhatcouldbemoreimportantthantheindividualhimself?Ifanorganizationmustrelyonthedressstyle.anditsbuttonstoinspireitsmembers,ittendstoshowitsweaknessinmarketcompetitionandisgoingtothedogs.
Somearguethatthepracticeofmakingpersonswearuniforms,sayinaschool,soastoeliminateallenvyandcompetitioninthematterofdress.Apoorstudentwhocannotaffordgood-qualityclothingisnottobebelittledbyawell-dressedstudent.Buttheseargumentsconvenientlyignoresuchcriticalconceptsasfreedomofchoice,motivation,andindividuality.Butwhyshouldonestrivetobebetterifallothersweretowearthesamestyle.ofclothing?Itactedasifeveryonein,societyweredemandedtobuythesamemodelcar,orhavethesametypeofdailyfood.Whenthishappened,allincentivetoimproveone'slifeisremoved.Whywouldparentsbothertoworkmuchhard,wishingthattheirchildrencouldenjoyabetterlifethantheydowhentheyarecertainthattheirchildrenaregoingtobeforcedtohaveexactlythesamelifeastheydonow?
Uniformsalsohurttheeconomy.Rightnow,billionsofdollarsarespentonthefashionindustryyearly.Thousandsofpersonsareemployedindesigning,creatingandmarketingdifferenttypesofclothing.Ifeveryonewereforcedtowearuniforms,artisticpersonnelwouldbeunnecessary.Salespersonswouldbesuperfluousaswell;whybothertoselltheonlyitemsthatareavailable?Thewearingofuniformswoulddestroythefashionindustry,whichinturnwouldhavearippleeffectonsuchindustriesasadvertisingandpromotion.Withoutadvertising,newspapers,magazines,andtelevisionwouldnotbeabletoremaininbusiness.Oneentireinformationandentertainmentindustrywouldcollapse.
Theauthor'sprimarypurposeinwritingthispassagewasto______.
A.pleadfortheabolishmentofuniforms
B.showthatuniformsarenotpossibleinademocraticsociety
C.advocatestrongergovernmentalcontrolonthewearingofuniforms
D.convincethereaderthatuniformshavemoredisadvantagesthanadvantages
47.
BycloningMissy,MarkWesthusinhopesto______.
A.examinethereproductivesystemofthedogspecies
B.findoutthedifferencesbetweenMissyanditsclones
C.searchforwaystomodifyitstemperament
D.studythepossibilityofcloninghumans
48.
Onthebasisoftheirmodels,scientistsareoftheopinionthat______.
A.theclimateoftheworldshouldbebecomingcooler
B.itwilltakethousandsofyearsfortheinertiaoftheearth'sclimatetotakeeffect
C.theman-madewarmingeffecthelpstoincreasethesolareffect
D.thenewIceAgewillbedelayedbythegreenhouseeffect
49.SectionA
Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.
Scientistssaytheyhavehighhopesforadrugthatcouldonedayprovideanewform.oftreatmentforHIV-A1DS.Acompound,whichinterfereswithanelusiveproteinusedbytheHIVvirustoinfecthumancells,hasworkedextremelywellinmonkeys.Ifthedrugproveseffectiveinhumantrials,scientistssay,itcouldbolster(加強(qiáng))theeffectivenessoftwoexistingAIDSdrugs,particularlyinfightingdrug-resistantstrainsofthevirus.
Researchersatthepharmaceutical(制藥的)companyMerckareveryexcitedaboutanexperimentaldrug,whichhasworkedaswellinmonkeysinfectedwithaprimateversionofthevirusasanyoftheexistinganti-AIDSdrugs.
Itworksbyblockingoneofthreeproteins,orenzymes,theHIVvirususestogainentranceintoandinfecthumanimmunesystemcells.
Inhibitordrugshavebeendevelopedtoblocktwooftheproteins,toslowprogressionofthediseaseafterinfection.Theyhavebecomestandardtherapyasa"cocktail"forpeopleinfectedwithHIV.
Thoseerzymesarereversetranscriptase(轉(zhuǎn)錄酶)andprotease(蛋白酶).Thefirstconvertsthevirus'geneticmaterialintothatofitshostcells.Thesecondchopsuptheresultinglargerproteinsintosmallerpieces,producingsmallerviralparticlesthatinfectnewcells.
Thethirdprongofcellularattackisaproteincalledintegrase(整合酶),whichexpertssayhasbeenhardertoblock.OnceHIVfoolshostcellsbychangingitsgeneticinformationsoitcanenterthem,integraseactslikeacutandpasteoperationinawordprocessor,deletinganimmunecell'sgeneticmaterialandreplacingitwithitsown.
AnintegraseinhibitorwouldgivedoctorsathirdlineofattackagainstHIVinfection,accordingtovirologistDariaHazudaofthedivisionofVirusandCellBiologyatMerck.
"Thiswouldofferathirdclassofanti-retroviralmedicationsthatcanbecombinedwithreversetranscriptaseinhibitorsandproteaseinhibitors.Andsinceitisanewmechanismofaction,thesecompoundsareactiveagainstmulti-drugresistantvariants.SovariantsthatareresistanttoallcurrenttherapieshavebeenselectedinHIV-patients,"shesaid.
Currentanti-AIDSdrugseventuallybecomeresistanttotherapy,orstopworking,becausetheviruschangesitsshape.
Whileresearchersareencouragedbythesuccesswiththecompound'seffectivenessinmonkeytrials,developingadrugthatisequallyeffectiveinhumanscanbedifficult.
StevenYoungisexecutivedirectoroftheDepartmentofMedicinalChemistryatMerck.Hesays,ifscientistsfindacompoundthatisequallyeffectiveinpeople,thecompanywouldaskU.S.regulatorstospeedapprovalofthedrug.
"Yeah,Ireallythinkthat'swhatwe'rehopingfor,"hesaid."Imean,weneedtogetdatathatshowithasrobustanti-viraleffectsinpeople.Andifwe'reabletogetthatdata,IthinkwewouldpetitionforPasttrackstatus."
Dr.Youngsaysanintegraseinhibitorhasthepotentialtopreventdrugresistance.
"Toensureourbestchancesofpreventingresistance,wewouldgivethisaspartofacocktailtherapy,"headded."AndIthinkit'sreallyourplanthatwewouldtestthiswithreversetranscriptaseinhibitorsandproteaseinhibitors,aswell."
Ifthedrugproveseffectiveinhumantrials,itcouldenhancetheeffectivenessofexistingAIDSdrugsin
50.
【C6】
51.
Itistreeaboutthemediamentionedinthepassagethatthey______.
A.usedtosellandbuyeachotheringreatnumbers
B.aretradingeachotheringreaternumberstoday
C.usedtobecontrolledbytwonetworks--ABCandNBC
D.havestoppedthetrendofacquisitionsinthe1990s
52.
Westernersarefamiliarwiththejournalisticinterviewbutmostofthemmaynothavebeen______.
53.
【C7】
54.
Unionworkerselecttheirrepresentativestomakeup______systemtoworkwithtradeunionofficials.
55.
TheFDAbannedtheuseofantibioticfromfood-producinganimalsbecausepublichealthexpertswereconcernedabout______.
56.
Theauthor'sattitudetowardstheprivatizationproposalis______.
A.impartialB.suspiciousC.neutralD.approval
57.
Whatdoes"politicallyimpossibletobringitdown"(Para.3)reallymean?
A.Politicianswillnotsacrificetheirinteresttodealwithinflation.
B.Politiciansthinkriseininflationisnobigdeal.
C.Politiciansmaynotrecognizeinflationisabigthreat.
D.Alleffortsconductedbypresidentshavebeenuseless.
58.Therearesomeearthphenomenayoucancounton,butthemagneticfield,somesay,isnotoneofthem.Itfluctuatesinstrength,driftsfromitsaxis,andeveryfew100,000yearsundergoesadramaticpolarityreversal—aperiodwhennorthpolebecomessouthpoleandsouthpolebecomesnorthpole.Buthowisthefieldgenerated,andwhyisitsounstable?
GroundbreakingresearchbytwoFrenchgeophysicistspromisestoshedsomelightonthemystery.Using80metersofdeepseasediment(沉淀物)core,theyhaveobtainedmeasurementsofmagnetic-fieldintensitythatspan11polarityreversalsandfourmillionyears.Theanalysisrevealsthatintensityappearstofluctuatewithaclear,well-definedrhythm.Althoughthestrengthofthemagneticfieldvariesirregularlyduringtheshortterm,thereseemstobeaninevitablelong-termdeclineprecedingeachpolarityreversal.Whenthepolesflip—aprocessthattakesseveralhundredthousandyears—themagneticfieldrapidlyregainsitsstrengthandthecycleisrepeated.
Theresultshavecausedastiramonggeophysicists.Themagneticfieldisthoughttooriginatefrommolten(熔化的)ironintheoutercore,3,000kilometersbeneaththeearth'ssurface.Bystudyingmineralgrainsfoundinmaterialrangingfromrockstoclayarticles,previousresearchershavealreadybeenabletoidentifyreversalsdatingback170millionyears,includingthemostrecentswitch730,000yearsago.Howandwhytheyoccur,however,hasbeenwidelydebated.Severaltheorieslinkpolarityflipstoexternaldisasterssuchasmeteor(隕星)impacts.ButPeterOlson,ageophysicistattheJohnsHopkinsUniversityinBaltimore,saysthisisun.likelyiftheFrenchresearchersareright.Infact,Olsonsaysintensitythatpredictablydeclinesfromonereversaltothenextcontradicts90percentofthemodelscurrentlyunderstudy.Iftheresultsprovetobevalid,geophysicistswillhaveanewtheorytoguidethemintheirquesttounderstandtheearth'sinnerphysics.Itcertainlypointsthedirectionforfutureresearch.
Whichofthefollowingtitlesismostappropriatetothepassage?
A.PolarityReversal:AFantasticPhenomenonofNature.
B.MeasurementoftheEarth'sMagnetic-FieldIntensity.
C.FormationoftheTwoPolesoftheEarth.
D.ANewApproachtotheStudyorGeophysics.
59.AclassactionlawsuithasbeenfiledagainstaprominentTorontodoctorbypatientswhoallegeheinjectedabannedsubstanceintotheirfacesforcosmeticpurposes.Thedoctorhadalreadybeeninvestigatedformorethanthreeyearsforusingtheliquidsilicone,aproductnotauthorizedforuseinCanada.
Somepatientssaytheyarenowsufferinghealthproblemsandthinktheliquidsiliconemaybetoblame.OneofthosepatientsisAnnaBarbiero.ShesaysherTorontodermatologisttoldherhewasusingliquidsiliconetosmoothoutwrinkles.Whatshesayshedidn'ttellher
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