2022-2023年黑龍江省牡丹江市大學英語6級大學英語六級知識點匯總（含答案）

2022-2023年黑龍江省牡丹江市大學英語6級大學英語六級知識點匯總（含答案）學校:________班級:________姓名:________考號:________

一、2.ReadingComprehension(SkimmingandScanning)(20題)1."Natural"isabigbuzzwordwhichusuallycanbefoundintheadvertisementof______.

2.

Immigrationnowaccountsforabout______oftheannualU.S.increaseinpopulation.

3.TaughenedGlass:theSolutiontoRetailOwners'SecurityConcerns

Taughenedglass,whichisalsocalledBastieglassbecauseofthenameoftheinventor,isakindofglassthatisfinelytemperedorannealed,byapeculiarmethodofsuddencoolingbyplungingwhilehotintooil,meltedwax,orparaffine.

Thedevelopmentandacceptanceoftaughenedglasshasundergoneseveralstages.Yetthebenefitsofthisparticularkindofglassstillremainunknowntoalargegroupofpeople.

DuPonthasdoneagreatjobofworkingwitharchitectsandthearchitecturalglassindustrytounderstand,developandpromotetheuseoftaughenedglass(safetyglass)worldwide.Withintheretailenvironmentinparticular,architectsinallcontinentsareusingtaughenedglassforadiverserangeofapplications--notonlyforeconomicandfunctionalreasonsbutalsoforthepureaestheticdelightofusingthematerial.

Yetsadly,thegeneralpublicinNorthAmericaisstilltoooftenignorantofthebenefitstaughenedglasscanbring--notonlyinshopsbutalsoinofficesandhomes.Thematerialisstillalltoooftenperceivedasvaguely"moreexpensive"anditswiderangeofbenefitsremainslargelyunknown.Sharingthebenefitswithbuildingowners-fromthebusinesscommunitytohomeowners--hastobeournextmajorchallenge.

NationalGateandGlassCorp.suppliesstorefrontglasstoretailersthroughoutNorthAmerica,fromnationwidechainstosingleoutletowners.Howeverlargeorsmall,ourcustomershavesimilarconcernswhenitcomestothestorefrontglasstheyusewithregardtocost,appearance/aesthetics,securityandservice.

Thegoodnewsisthatin99.9percentofcases,wefindthattheinstallationof6mm+6mmtaughenedglasswithaninterlayerof0.76mmButacite(r)PVBinterlayersolvesalloftheseconcernswithease!Taughenedglassisanidealsolutionformodemretailersintermsofsamedayinstallation,securityprevention,protectionfromtheUVraysthatcausethedegradationofstoredisplaysandfurnishingsandtheeliminationofboardingfollowingdamagetothestorefront.

TimeIsMoney.

Everyoneintheretailconstructionvaluechain,fromownerstoforemen,areconcernedwithcosts.Weareabletoaddressthisfirstconcernprettyquickly.IntheUSA,taughenedglasscostsalmostexactlythesameastemperedglasstopurchaseandinstallpersquaremeter.InAustraliaandEurope,itcanbesignificantlycheaperthantemperedglass!Inthecaseofbreakage,thecostbenefitsoftaughenedglasscanbeseenveryclearly;asstoreowners,managersandlosspreventiondepartmentsknow,timeismoney!Unliketemperedglass,taughenedglassallowsstorestostayopeninthecaseofbreakagesincecrackedorbrokenglassstaysintheframe.Smallerlocationsthatareboardedupwithplywoodcanleavecustomerswiththeimpressionthattheyareclosed--andnobodycanaffordthat.It'scriticallyimportantthateveryoneknowsthatyouare

BetterLookingstorefronts

Thesecondmajorconcernisaesthetics.Manyofourretailcustomerslocatedindowntownareasautomaticallyassumethatshutterswillhavetobeinstalledtoensureadequatesecurityafterstoreopeninghours.Itisalwaysapleasureformetoseethereliefoncustomers'faceswhenItellthemaboutthesecuritybenefitsoftaughenedglassandhowthematerialeliminatestheneedforshutters,allowingmuchbetterlookingstorefronts.

ARealBoosttotheBottomLine

Athirdconcernissecurity.Thelosspreventionofficersofmajorretailersunderstandperhapsbetterthananyoneelsetheextenttowhichbreak-insandvandalismnegativelyaffectthebottomline.Myretailcustomerstellmethattheaveragecostofabreak,inisUS＄30,000.Thisnotonlyincludesstole

A.YB.NC.NG

4.

Thispassagetoldustheexperiencesof______captains'narrowescapes.

5.

Earth'sclimatewouldsurelybecomewarmerandwarmer.

A.YB.NC.NG

6.

Landcanbepollutedby______fromagriculture.

A.heavymetals

B.slurryfromlivestock

C.pesticidesandnitrate-poorfertilizers

D.rubbish

7.

Theverbalgymnastlikesusingcomplexsentencesandmouth-fillingphrasesjustasmakinga______.

8.

Someproposedtechnologicalsolutions,suchas______,canbeusedtobeatmisidentification.

9.

Televisionis______theEnglishlanguage.

A.destroyingB.diffusingC.purifyingD.standardizing

10.

AspecialversionofAuto-Tunewasavailableat$99for______.

11.NewHopesforPreventingAIDS

Thesuccessofanti-retroviral(抑止腫瘤病毒)drugsintreatingHIVisgettingresearchersatthe16thInternationalAIDSconferenceexcitedattheprospectthatthepotent(效力大的)medicinesmightbeexploitedtoperform.doubleduty.WhynotusethepoweroftheseARVstopreventanHIVtransmissionorinfectionfromtakingholdinthefirstplace?BillandMelindaGatesaskedthatprovocativequestionontheopeningdayoftheconference,andarecommit-tingtheirconsiderablefinancialresourcestowardfindingananswer.Intheirremarks,theyhighlightedtheneedtodevelopmicrobicides(殺菌劑)andoralpreventiondrugswhilewewaitforavaccine.AndtheywillgettheirfirsthintathowsmarttheirdecisionwasthisThursday,whenscientistsfromWestAfricareporttheinitialresultsfromthefirsttrialstudyinganoralpreventiondrug.

SohowrealisticaretheGatesinexpectingevenmorefromtheARVs?"Idothinktherangeofpreventionoptionswehavewithinthenextdecadewillgreatlyexpand,"saysDr.HeleneGayle,PresidentofCareUSAandco-chairoftheconference."Thebiologicplausibility(似乎有理)forbothmicrobicidesandoralpreventiondrugsissogreat."Dr.MarkDybul,U.S.GlobalAIDSCoordinator,saidthatifamicrobicideorpreventiondrugbecomesavailabletoprotectpeoplefrominfections,theywouldbefundedunderthePresident'sEmergencyPlanforAIDSReliefifcountrieschosetousethem."Wewouldsupportallofthat;itwouldbeperfectlywithinourmandatetodoallthat,"hetoldTIME.

PreventingHIVistheonlywaytokeepthenumberofnewinfectionsthatoccureachyear—4million—fromgrowing.Andyetpreventionstrategies,alwaystheuglystepsistertotreatmentprograms,havenotreallytakenholdinthedevelopingnationswheretherateofinfectionishighest.Aneffectivevaccine,ofcourse,istheultimatepreventionweapon,butastheGates'pointedout,anHIVshotisstillalongwayoff.Inthemeantime,microbicidescouldbeone

waytoco-optARVsintothepreventionwar;thesearechemicalcompounds,usuallyintheform.ofagelorcream,thatwomencanusevaginallypriortointercoursetostopthetransmissionofHIV—it'sthesameideabehindspermicides(殺精子劑),whicharechemicalbarrierstospermenteringthevaginaandcausingpregnancy.It'sanelegantlysimpleapproach,madeevensimplerbythefactthatresearchersdidn'treallyhavetostartfromscratchtocomeupwithnewanti-HIVcompounds;theyalreadyhavethemintheARVs,whichnowinterruptthevirusfrominfectingcellsatvariouspointsinitslifecycle.

Thekeydifferenceisthatinamicrobicide,thedrugsarebeingusedinhealthypeopleratherthaninthoseinfectedwithHIV.WhenARVsareusedfortreatment,bothdoctorsandpatientsarewillingtotolerateahigherlevelofsideeffects—afterall,ifthechoiceisbetweendyingfromHIV-AIDSandsideeffects,mostpatientsoptforthelatter.Ifthedrugsaretobeusedtopreventinfection,however,everythingchanges;understandably,healthypeoplearen'taslikelytoacceptthesamelevelofsideeffectsandtoxicitiesasthosealreadyinfected.

That'swhyclinicaltrialsaresosignificant.Sofar,thereare30—40differentmicrobicidecandidatesbeingtestedinanimals,andfivetrialsinGhana,Nigeriaandotherdevelopingnationsatthemostadvancedstagesoftestinginwomen.Dr.GitaRamjee,oftheHIVPreventionResearchUnitinDurban,SouthAfrica,hasworkedwithallfive,andishopefulthattheywillproveeffectiveandmakeanimpactonthedisease.BecausetheselatestmicrobicidesarereformulatedARVs,however,theproblemofthevirusbecomingresistanttothemisapotentialdrawback.Dr.PeterPiot,ofUNAIDS,suggestsbasingmicrobicidesonlyonthedrugsdonotmakeitthroughthepharmaceuticalpipeline—manyarerejectedbecaus

A.YB.NC.NG

12.EconomizingofthePoor

ComprehendingEconomizingofthePoor

Walkingdowntheaislesofasupermarket,low-incomeshoppersmustconsideranumberoffactorsincludingquantity,price,qualityandnutritionaldifferenceswhenselectingfoodproducts.Food-purchasedecisionsbythepooroftenentailbalancesamongtaste,preferenceandqualityfactors--eitherrealorperceived--tomeetspendingconstraints.Withinbroadproductcategoriessuchascereal,cheese,meatandpoultry,andfruitsandvegetables,shopperscanchooseamongmanysubstitutableproducts.Low-incomeshopperscanextendtheirfooddollarsinanumberofways.Theymayshopindiscountfoodstores;theymaypurchaseandconsumelessfoodthanhigher-incomeshoppers;theymaypurchaselow-priced(andpossiblylowerquality)foodproducts;ortheymayrelyonsomecombinationofallthree.Abetterunderstandingofhowthepooreconomizeinfoodspendingaddressesimportantpolicyquestionsraisedbyresearchers,nutritioneducators,andfood-assistanceprogrammanagers.

TheCorrelationbetweentheLocationandPrice

Whetherthepoorfacesignificantlydifferentfoodpricesduetowheretheyshopforfoodremainsanunresolvedempiricalquestion.Extensiveresearchovertheyearshastriedtoanswerthequestion--Dothepoorpaylessforfood?TheEconomicResearchService(ERS)in1997receivedtheresultsofstudiescomparingpricedifferencesingrocerystoresacrossdifferentincomelevelsandcombinedthesewithcurrentcensusdataonthedistributionoflow-incomehouseholdsbyurbanizationtype.TheERSstudyconcludedthat,ingeneral,thepoorfacehigherpricesduetotheirgreaterrepresentationinurbanandruralareas(asopposedtosuburbanareas),wherefoodpricestendtobehigher.

HigherPricesbutLessSpending

Basedonresultsfromhouseholdsurveys,ERSalsofoundthatdespitefacinghigherprices,low-incomeshoppersspendlessthanhigher-incomeshoppersforfoodpurchasedinfoodstores.Duetotheirlevelofaggregationandlackofin-storesalesandpromotioninformation,suchsurveysshedlittlelightontheeconomizingpracticesofhouseholds.Tolearnmoreabouthowlow-incomeshoppersspendlessforfooddespitefacinghigherprices,weobtainedfood-storepurchasedatathatincorporateper-capitaquantityandexpenditure-measureequivalents(householdmeasuresadjustedforhouseholdsize)acrossincomelevels.

TheMainEconomizingPractices

Theresultingcomparisonsdescribehowindividualswithdifferentlevelsofincomevaryintheirfood-spendingpatterns.Byusingactualtransactiondata,detailedinformationabouttheproductpurchased(forexample,price,productdescription,packagesize,andbrandname)aswellastheconditionofpurchase(promotion,coupon,orsaleitem)wasobtained.Fromthese,theaverageunitcost(perounce,perpound)foreachitemwascalculated.Low-incomeshoppersmayusefourprimaryeconomizingpracticestoreducetheirfoodspending.First,theymaypurchaseagreaterproportionofdiscountedproducts.Second,theymaypurchasemoreprivate-labelproducts(genericorstorebrand)versusbrandproductsthanhigher-incomeshoppersbuy.Third,theymaytakeadvantageofvolumediscountsbypurchasinglargerpackagesizes.Fourth,theymaypurchasealess-expensivefoodproductwithinaproductclass.Althoughqualitydifferencessuchasfreshness,convenienceandtasteoftencontributetopricesdifferences,differencesinnutritionalqualityarealsoevident.

MoreSpendingonPromotionalItems

Theuseofpromotionsismeasuredbycomparingthepercentageofexpendituresandquantitiesofeachproductpurchasedonpromotion(manufacurers'coupons,storecoupons,storesales,andotherpromotions).Forrandom-weightcheese,fruit,vegetablesandmeatin1998,low-incomehouseholds(lessthan$25,000perye

A.YB.NC.NG

13.

Overthepastfouryears,morethanhalfofstudentsinthehighschoolcaughtreceivingtextmessagedanswersontheircellphonesduringanaccountingexam.

A.YB.NC.NG

14.

Inallcoastalcities,cellphonenetworkscouldnotkeepupwithdemand.

A.YB.NC.NG

15.Accordingmthepassage,socialanxietydisorderisprobablybecauseofacombinationof______.

16.

Governmentsindevelopingcountriesturntotheforeststosolveproblemsbroughtaboutbythecontinualpopulationgrowth.

A.YB.NC.NG

17.WhatisthebestwaytoreleasestressaccordingtothesuggestionsoftheU.S.DepartmentofHealthandHumanServices?

A.Takingexerciseorphysicalactivity.

B.Talkingwithsomeoneaboutyouranxietiesandworries.

C.Makingeveryefforttoeatwellandtogetenoughrest.

D.Learningsomerelaxationtechniques.

18.

WhentheLong-TermCapitalManagementwasdisintegrated,theproductsinitiatedtocounterweighriskswere______.

A.variousbasketindicesandcreditdefaultswaps

B.hedgefundandforwardrateagreements

C.credit-linkednotes

D.currentswapsandratesswaps

19.Ifyonwanttoanswerthe12questionshonestly,youshouldknowwhatmakesyounotblindlyblameyourdepartmentfor______.

20.

Ifyoufailtosay"thankyou"tothereceptionists,theywillhavenegativeimpressionsofyou.

A.YB.NC.NG

二、3.ListeningComprehension(20題)21.聽力原文：Theworld'sfirstcompletelyautomaticrailwayhasbeenbuiltunderthebusystreetsofLondon.TherailwayiscalledtheVictoriaLine,anditispartofthecompleteLondonundergroundrailway.

ThenewVictoriaLinewasopenedin1969.Thisnewlinewasverydifferentfromtheothers.

Thestationsontheotherlinesneedalotofworkerstoselltickets,andtocheckandtocollectthemwhenpeopleleavethetrains.ThisisalldifferentoftheVictoriaLine.Hereamachinechecksandcollectsthetickets,andtherearenoworkersontheplatforms.

Onthetrain,thereisonlyoneworker.Ifnecessary,thismancandrivethetrain.Butusuallyhejuststartsit;itrunsandstopsbyitself.Thetrainsarecontrolledbyelectricalsignalswhicharesentbytheso-called"commandspots".TheCommandspotarethesamedistanceapart.Eachsendsacertainsignal.Thetrainalwaysmovesatthespeedthatthecommandspotsallow.Ifthecommandspotssendnosignal,thetrainwillstop.

Mostofthecontrolworkisdonebycomputers.Thecomputersalsofixthetrain'sspeeds,andsendthesignalstothecommandspots.

Othermachinesmakesurethatthetrainsarealwaysasafedistanceapart.Onetrainmaystaytoolongatastation,theothertrainswillthenautomaticallymoveslower.Sothereisnodangerofaccidentontheline.

(33)

A.Theworkersontheundergroundplatformswerereplacedbymachines.

B.Itbecamethefirstcompletelyautomaticrailwayintheworld.

C.Acompletelyautomaticlinewasaddedtoitsnetwork.

D.Itstrainsbecamecomputer-controlled.

22.(36)

A.Turningherselfintoalegend.

B.Collectingmoneyforthepoor.

C.Doingbusinessandhelpingothers.

D.Goingaboutresearchandeducationwork.

23.

【B9】

24.(40)

25.(21)

A.Shedidn'tyieldtochildrencrossingtheroad.

B.Sheparkedillegallyneartheschool.

C.Sheexceededthespeedlimit.

D.Shewasdrunk-driving.

26.(24)

A.Therewardsfortheleader.

B.Thereputationofaleader.

C.Theapproachtoachievinggoals.

D.Thepaymentofemployees.

27.

【B5】

28.(19)

A.Thecompanydoesnothavetheman'sresume.

B.Theman'sfirstinterviewmightbesuccessful.

C.Thecompanyhasdecidedtohiretheman.

D.Thewomanisastonishedtohearthenews.

29.

【B10】

30.聽力原文：Uptoabout1915,movieswereshortandprogramsweremadeupofseveralworks.Then,D.U.Griffithandothersbegantomakelongerfilmswhichprovidedthesamepowerfulemotionalappealasdidmelodramaandpresentedspectaclesfarbeyondwhatthetheatercouldoffer.Consequently,afterWorldWarIincreasingnumbersofspectatorsdesertedthetheaterforthemovies.Thistrendwasacceleratedinthelate1920'sasaresultoftwonewelements.In1927soundwasaddedtothepreviouslysilentfilm,andthusoneofthetheater'sprincipalclaimstosuperiorityvanished.In1929aseriouseconomicdepressionbegan.Sinceaudiencecouldgotothemoviesforafractionofwhatitcosttoseeaplay,theatergoingbecamealuxurywhichfewcouldafford,especiallyasthedepressiondeepened.

BytheendofWorldWar1I,theAmericantheaterhadbeenreducedtoaboutthirtytheatersinNewYorkcityandasmallnumberoftouringcompaniesoriginatingthere.

(30)

A.Filmsprovidedmoremelodrama.

B.Filmsprovidedlongerprograms.

C.Filmsprovidedemotionalappeal.

D.Filmsprovidedgreaterspectacles.

31.

【B7】

32.聽力原文：M:InthestudiotodaywehaveEveStartling,acareeradviseratawellknowncomprehensiveschool.Gladtohaveyouwithus,Eve.

W:Thankyou.

M:Alotofyoungpeopleareverynervouswhentheygotoajobinterviewforthefirsttime.What'sthebestwayofdealingwiththis?

W:Theobviousanswerisn'tmuchhelp,really,I'mafraid:"Justkeepcalmanddoyourbest."Ifyou'renervoustostartwith,thisadviceprobablyhastheoppositeeffect.Andinfact,acertainamountoftensionisprobablyagoodthing.It'sthesamewiththewayyousitwhentheinterviewerasksyoutositdown.

M:Howdoyoumean?

W:Well,ifyoubalanceontheedgeofyouchair,itshowsyou'renervous,butifyourelaxandmakeyourselftoocomfortable,thatwon'tdo,either.Youshouldsitnaturally,butstraight,toshowyou'repayingattention.

M:AndIsupposeyoushouldfacetheinterviewerwhenyouanswerquestions.

W:Yes,eyecontactisimportantthen,butthatdoesn'tmeanyounevertakeyoureyesofftheinterviewer.Andit'sallrighttobenaturallypleasant,butdon'ttrytoohard.

M:Oneofthethingsthatupsetpeoplemostatinterviews,Ithink,isthatinterviewersoftenasktrickquestions.Evenquiteinnocentquestionslike"Howdoyouspendyoursparetime?"cancontaintrapsincertaincases.Supposethecompanywouldpreferanoutdoorpersonbutyouspendeveryweekendlookingatyourstampcollection.WhatshouldyoudoeShouldyoualwaystellthetruthorpretendtobewhatthecompanywants?

W:Tellthetruth,yes,butnotnecessarilythewholetruth.It'snogoodpretendingtobewhatyou'renotanexperiencedinterviewerwouldsoonfindoutbutyouneedn'tgooutofyourwaytotellthemanythingyoudon'twantthemtoknow.

M:Onelastpieceofadvicebeforewesignoff?

W:Yes,anditmaysurpriseyou.Thatisthatveryoftenyoungpeoplegetcarriedawayjustwiththeideaofwinning.It'shardtorememberwhenthere'salotofunemployment,asthereisnowadays,butyoushouldbesurethatthisisthekindofworkyouwanttodoandthefirmisonethatyouwouldenjoyworkingfor.Otherwiseyoumaygetthejobandthenfindoutthatyouhateit.Soremembertoasksensiblyquestionsaswellastoanswersensibly.

(23)

A.Sheisajobinterviewer.

B.Sheisauniversityprofessor.

C.Sheisacareeradviser.

D.Sheisapsychologist.

33.(44)

34.聽力原文：M:Ireallyenjoyedthatpieceyoujustplayedonthepiano.Ibetyougetalotofrequestsforit.

W:Peoplejustcan'tgetenoughofit.Youknow,thatisthethingthesedays.

Q:Whatdoesthewomanmean?

(19)

A.Peopleoftenaskhertoplaythesong.

B.Shehasn'tbeenplayingthepianolong.

C.Shedoesn'tknowthesongwellenoughtoplayit.

D.Notmanypeopleknowthesong.

35.(13)

A.Theauthorisn'tanexpertineconomics.

B.Shehasabettertheoryabouttheeconomy.

C.Sheisn'tsurethattheauthor'sideaswouldwork.

D.Theauthorspendstoomuchtimearguingaboutdetails.

36.聽力原文：W:Jerry,lastnightweheldadiscussioninthatsmallroomnumbered405onthethirdfloorandyouweresoconspicuousbyyourabsence.

M:Well,Imadeamistakeabouttheroomnumberandstayedinroom415foranhourwaiting.

Q:WhatdowelearnaboutJerry?

(13)

A.Hestayedinaroomonthethirdfloorforanhour.

B.Hewasabsentwhenthediscussionwasbeingheld.

C.Nobodybutthewomannoticedthathewasabsent.

D.Hedidnotleaveroom405untilanhourhadpassed.

37.(35)

A.Speakingpolitelyandemotionally.

B.Talkingloudlytogivealastingimpression.

C.Talkingalotaboutthejob.

D.Speakingconfidentlybutnotaggressively.

38.聽力原文：W:CouldyoupleasetellmewhereIcanfindRobinsonCrusoebyDanielDefoe?

M:Sure.Itshouldbeovertherewithallthenovels.Theyarearrangedalphabeticallybygroup.

Q:Whereistheconversationprobablytakingplace?

(17)

A.Inalibrary.

B.Inacinema.

C.Inaliteratureclass.

D.Inahistoryclass.

39.

【B2】

40.

【B3】

三、4.ReadingComprehension(ReadinginDepth)(20題)41.

Thefood-bornediseasemaycausefever,vomiting,diarrheaandeven______.

42.

Whatistheskeptics'(Line3,Para.3)viewofmediaviolence?

A.Violenceontelevisionisafairlyaccuratereflectionofreal-worldlife.

B.Moststudiesexaggeratetheeffectofmediaandviolenceontheviewers.

C.Acausalrelationshipexistsbetweenmediaandreal-worldviolence.

D.Theinfluenceofmediaviolenceonchildrenhasbeenunderestimated.

43.

Theresearchfindings______.

A.haveseverelyinfluencedthecompany'sreputation

B.havemadethecompanysufferalossofprofits

C.havedonenothingserioustothecompany

D.haveledthecompanytoimproveitsproducts

44.

WhatdoestheauthorthinkabouttheagewhenthepriceofeveryInternetstockskyrockets?

45.

Accordingtothepassage,parentshavebecomeincreasinglyinterestedin______.

A.theirchildren'sfutureoccupations

B.havingsmallerfamilies

C.adoptionprogramsforchildlesscouples

D.child-rearingtechniques

46.

Whyaredistancesbecomingless?

47.

Researchersarefindingthat______.

A.heartdiseaseandcancerarethemostcommonkillersofhumanbeings

B.bloodpressureandbrainfunctionaredecidedbycyclesofsun,moonandseasons

C.thefunctionsofhumanbodieshavemuchtodowithnature

D.anychangeinhumanbodiesgoessystematicallywithchangesintheenvironment

48.

WhyshouldtherooftopgardenbebuiltonthetopofCityHallotherthanonanyotherbuildings?

A.BecausetheCityHallislarge.

B.Becausethemayorhadurgedtheenvironmentaldepartmenttodoso.

C.Becauseitcanmakepeopleunderstandtheirimpactonenvironmentbetterthroughapublicbuilding.

D.BecausetheexpertsjustwanttomaketheCityHallaconvenientlaboratory.

49.Whatdoestheauthorimplybysaying"Ifyou'veeverbeenburnedbyascumornetworkmarketinghype..."?

A.YoucouldhaveworkedathomejobsorMLMcompanies.

B.Youcouldhavebeencheatedbythenetworkmarketing.

C.Youcouldhavebeencrackeduptobewhatyouareall.

D.Youcouldhavemadealotofmoneyfromthenetworkmarketing.

50.

Writtenlanguageinitsinitialstarewasfoundmoreadvantageousinthat______.

A.itcouldcommunicatemoreaccuratelythantheorallanguage

B.ithaddevelopedfrompicturelanguage

C.informationcouldberecordedandtransmitted

D.itwaseasiertolearnthanpicturelanguage

51.

Theauthorexpectsthatthefamilyeconomicswilldevelopintoa______model.

52.

Theauthor'spurposeinwritingthispassageis______.

A.todescribethedifficultiesinsolvinghumanity'scurrentproblems

B.topresentthedifferentviewsonhumanity'scurrentproblems

C.toanalysethecontradictionbetweencountriesindealingwithhumanity'scurrentproblems

D.topointoutthathumanity'scurrentproblemscanonlybesolvedthroughthecooperationofnations

53.【S6】

54.

Wecancometotheconclusionthat______.

A.60percentofAmericanchildrenarenowbornillegitimately

B.atleast50percentofblackchildrenarenowbornillegitimatelyinAmerica

C.60percentofAmericanchildrenwerebornillegitimatelyinthe1960s

D.atleast60percentofAmericanchildrenwerebornillegitimatelyinthe1960s

55.SectionB

Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.

Racket,dinclamor,noise.Whateveryouwanttocallit,unwantedsoundisAmerica'smostwidespreadnuisance.Butnoiseismorethanjustanuisance.Itconstitutesarealandpresentdangertopeople'shealth.Dayandnight,athome,atwork,andatplay,noisecanproduceseriousphysicalandpsychologicalstress.Nooneisimmunetothisstress.Thoughweseemtoadjusttonoisebyignoringit,theear,infact,neverclosesandthebodystillresponds--sometimeswithextremetension,asto

astrangesoundinthenight.

TheannoyancewefeelwhenPacedwithnoiseisthemostcommonoutwardsymptomofthestressbuildingupinsideus.Indeed,becauseirritabilityissoapparent,legislatorshavemadepublicannoyancethebasisofmanynoiseabatement(消除)programs.Themoresubtleandmoreserioushealthhazardsassociatedwithstresscausedbynoisetraditionallyhavebeengivenmuchlessattention.Nevertheless,whenweareannoyedormadeirritablebynoise,weshouldconsiderthesesymptomsfairwarningthatotherthingsmaybehappeningtous,someofwhichmaybedamagingtoourhealth.

Ofthemanyhealthhazardsrelatedtonoise,heatinglossisthemostclearlyobservableandmeasurablebyhealthprofessionals.Theotherhazardsarehardertopindown.Formanyofus,theremaybeariskthatexposuretothestressofnoiseincreasessusceptibilitytodiseaseandinfection.Themoresusceptibleamongusmayexperiencenoiseasacomplicatingfactorinheartproblemsandotherdiseases.Noisethatcausesannoyanceandirritabilityinhealthypersonsmayhaveseriousconsequencesforthosealreadyillinmindorbody.

Noiseaffectsusthroughoutourlives.Forexample,thereareindicationsofeffectsontheunbornchildwhenmothersareexposedtoindustrialandenvironmentalnoise.Duringinfancyandchildhood,youngstersexposedtohighnoiselevelsmayhavetroublefallingas