2023年考研考博考博英语中国地质大学考试高频考点参考题库含答案

2023年考研考博考博英语中国地质大学考试高频考点参考题库带答案（图片大小可自由调整）答案解析附后第1卷一.综合题(共20题)1.填空题WhenIwasinprimaryschool,（1）teacherwasfemale(thisincluded（2）theoneswhocoachedourfootball),butstartinginmyseventhyearofschoolIhadoccasional（3）instructorstoo.2.单选题YesterdayWangWeiguowasinabarfightinwhichhehitapatrolmanattemptingtobreakitup;afterwardshewasquiteupsetwiththepolice,wholethimstayiniailovernight问题1选项A.wasinabarfightinwhichB.attemptingtoC.breakitupD.lethimstayiniailE.没有问题3.填空题Trynottousetheairconditioningtoomuch.Themorepoweryouuse,the（

）yourelectricalbillwillbe.4.单选题Eventhoughcultureswidelyassumethatboysarestrongerandsturdierthangirls,basicbiologicalweaknessesarebuiltintothemaleofourspecies.Firstofall,humanmalesseemtobeslowlydisappearing.MotherNaturehasalwaysacknowledgedandcompensatedforthefragilityandlossofboysbyarrangingformoreofthem:106malebirthsto100femalenewbornsoverthecourseofhumanhistory.Butinrecentdecades,fromtheUnitedStatestoJapan,fromCanadatonorthernEurope,whereverresearchershavelooked,therateofmalenewbornshasdeclined.ExaminingUSbirthrecordsfortheyearsbetween1970and1990,theyfound1.7fewerboysper1,000thanindecadesandcenturiespast;Japan'slossinthesamedecadeswas3.7boys.Boysarealsomorethantwo-thirdsmorelikelythangirlstobebomprematurelybeforethe37thweekofpregnancy.And,despiteadvancesinpublichealth,boysinthe1990sfaceda30percenthigherchanceofdeathbytheirfirstbirthdaythangirls;incontrast,backinthe1750s,theywereonly10percentmorelikelythangirlstodiesoearlyintheirlives.

Oncetheymakeittochildhood,boysfaceotherchallenges.Theyaremorepronetoarangeofneurologicaldisorders.Autism自闭症isnotoriouslyhigheramongboysthangirls:nownearlyfivetimesmorelikely,astalliedbytheUSCentersforDiseaseControlandPrevention.Theyaremoresusceptiblethangirlstodamagefromverylow-levelexposuretolead.Yetanotherproblem:boyssufferfromasthmaathigherrates.There'salsoastrongerlinkbetweenairpollutionandautisminboys.Whydoboysfacesuchaburdenofphysicalchallenges?Theansweristhatthemale’sproblemsstartinthewomb:fromhismorecomplicatedfetaldevelopment,tohisgeneticmakeup,tohowhishormoneswork.Thenine-monthtransformationfromafewcellstoaninfantisatimeofgreatvulnerability.Manychronicillnessesareseededinthewomb.Inourspecies,thefemaleisthedefaultgender,thebasicsimplermodel:Humansstartoutinthewombwithfemalefeatures(thatiswhymaleshavenipples).Thecomplicatedtransformationinthewombfromfemaletomaleexposesthemaletoajourneypackedwithspecialperils.Whenthefirstblastoftestosterone睾酮fromtheYgenecomesalongatabouttheeighthweek,theunisexbrainhastomorphintoamalebrain,killingoffsomecellsinthecommunicationcentersandgrowingmorecellsinthesexandaggressioncenters.Thesimplerfemalereproductivesystemhastoturnintothemorecomplexmalereproductivetract,developingtissuessuchasthetestisandprostate前列腺.Further,ittakesagreaternumberofcelldivisionstomakeamale;witheachcomesthegreaterriskofanerroraswellasthegreatervulnerabilitytoahitfrompollutants.Ontopofthatchallenge,thehumanmale’sXYchromosome染色体combinationissimplymorevulnerable.ThetwoXXsinthefemaleversionofourspeciesoffersomeprotection:IndisorderswhereoneXchromosomehasageneticdefect,thefemale’shealthybackupchromosomecantakeover.ButwithhissingleXchromosome,themalelacksahealthycopyofthegenetofallbackon.TheXchromosome,whichnevershrank,isalsoalargerchromosome“withfarmoregeneticinformationthantheYchromosome，’’findsIrvaHertz-Piciotto,aUniversityofCaliforniaatDavisautismresearcher,“sotheremaybesomeinherentlossofkeyproteinsforbraindevelopmentorrepairmechanismsinboys.”Thisisacluetothehigherautismrateamongboys,sheasserts.Femalesalsohaveastrongerimmunesystembecausetheyarepackedwithestrogen雌激素，ahormonethatcounteractstheantioxidantprocess.“Estrogenprotectsthebrain,”explainsTheodoreSlotkin,professorofneurobiologyatDukeUniversity'sSchoolofMedicine.“Itrepairsandreplaces,evenafterneuralinjury,”Lowestrogenevenleavesboysmoresensitivetoheadinjuries.Themalebrain“issimplyamorefragileapparatus,moresensitivetoalmostallbraininsults,”saysleadpoisoningexpertHerbertNeedleman.Itisthehighlevelsoftestosteroneinthewombatcriticaltimesingestation,accordingtoBritishpsychopathologistSimonBaron-Cohen,thatareresponsibleforwhathecalls“theextrememalebrain”--thekindexhibitedbyautisticboys-lowinempathy,highinsystematizing.AndinfactUSresearchersinrecentdecadeshavefoundunusuallylowestrogenandhightestosteronelevelsamongboyswithautism.

Ifthebalanceofhormonesisoutofwhackinmales,whatmadethathappen?Researchersarecomingupwithsomeclues.IntheNewYorkCityneighborhoodsnearColumbiaUniversity'sCenterforChildren’sEnvironmentalHealth,familiesforyearsroutinelysprayedtheirapartmentswithapopularinsecticide,chlorpyrifos,untilitwasbannedfromhouseholdusein2001.TheresearchersfoundthatprenatalexposuretothechemicalseemedtohavemoreofaneffectonreducingtheIQsofboysthangirls.Disruptionoftheirmalehormonesmaybethereason,“Onepossibleexplanationforthegreatersensitivityofboystochlorpyrifosisthattheinsecticideactsasanendocrinedisruptor肉分泌'干扰素tosuppresssex-specifichormones,”saidstudyleaderMeganHortonofColumbia.Similarly,pregnantmothers'exposuretophthalates邻苯二甲酸酉旨一usedinmakingsomevinyl乙矯基productsandtoysaswellassomepersonalcareproducts-hasbeenlinkedtobiggerchangesinthebehavior,suchasaggressionandattentionproblems,oftheirsonsthantheirdaughters.Phthalatesalsomayfeminizemalegenitalia.BoysalsoseemtobemorevulnerabletobisphenolA,anestrogenicsubstanceusedtomakepolycarbonateplasticsaswellastheliningsoffoodandbeveragecans.Boys,butnotgirls,exposedtohigherbisphenolAlevelsinthewomborduringchildhoodhadmorehyperactivity,aggressionandanxietyproblems,accordingtoaUniversityofCaliforniaatBerkeleystudy.Inaddition,pregnantwomenexposedtohigherlevelsofthechemicalgavebirthtobabyboyswithlowerthyroidhormones甲状腺激素.Nosucheffectwasdetectedinthebabygirls.Nooneknowswhattheselowerlevelsmaymeanfortheboys’healthbecausetheyremainedwithinnormalboundaries,butitcouldhaveimportanteffectsbecausethyroidhormonesguidebraindevelopment.Someofthesechemicalsactlikefakeestrogens,otherslikefaketestosterone,butbothtypesseemtodisruptnormaldevelopment.Animaltestsshowthatadoseofthesechemicalsinflictthemostdamagewhenithitsafetus.And,becauseoftheirbiologicalvulnerabilities,itisboyswhomayexperiencethemosteffects.Whilenotforgoingthepushforfairnessandequality,itseemswisetoacceptthescientificrealityofmaleweaknesses.Thislikelywon'tmeantheendofmen,buttheirvulnerabilitytoenvironmentalcontaminantsanddiseasescouldhaveseriousramificationsforthefutureoftheentirehumanraceunlesswefindwaystoprotectthemfromharm.1.IftextBisaccurate,thentheevidencefortheassertionthathumanmalesaregraduallydisappearingis（

）.2.Comparedwithgirls,boysare（

）.3.Nipplesinhumansarefoundonthe（

）.4.Inparagraph10theauthorassertsthatchronicdiseases（

）.5.Backupinparagraph11meanssomethingthat（

）.6.Thelevelsofthyroidhormonesinnewbommales,mentionedinparagraph16,（

）.7.ImaginethatenvironmentalpollutioncontinuesatcurrentorhigherlevelsinChina.IftheinformationintextBiscorrect,thenChinesedoctorsshouldexpecttoobserve（

）.问题1选项A.incontrovertibleB.soweakastocalltheassertionintoquestionC.largelyfromadvancedindustrialsocietiesandneedstobesupplementedwithdatafromothertypesofsocietiesD.strongenoughtowarrantfutureresearchintothepost-masculineworldthatliesahead问题2选项A.aboutequallyabletosurvivetotheirfirstbirthday.B.stilllesslikelytosurviveforayearafterbirth,butthegapisnarrowing.C.lesslikelytosurvivetilltheirfirstbirthday,andthegapiswiderthaninearliercenturies.D.muchlikeliertosurvivetotheirfirstbirthday,thoughthegapisnotsowideasitwasinthe1700s.问题3选项A.head.B.chest.C.hips.D.limbs.问题4选项A.beginbeforebirthbutonlybecomeapparentovertime.B.arelesscharacteristicofwomenthanofmen.C.originate,asarule,beforechildrenarebom.D.areoftentheeventualresultofprenatalconditionsandstresses.问题5选项A.canstepinandtakeoverthefunctionofsomethingthatisnotworkingproperly.B.destroysamalfunctioningpart,thusbenefitingtheoverallsystemororganism.C.preventsasystemfromcontinuingalongapaththatmayendinbreakdownordestruction.D.canreverseandchangeitsdirectionwhenitencountersaproblem,thusenablingaprocesstocontinue.问题6选项A.arenotalarminginthemselves,butsignificantbecausetheyaresodifferentformalesandfemales.B.willdefinitelyleadtomorebrain-damagedboysthangirls,C.seemcertaintoproduceamarkedgapinbraindevelopmentthatwillfavorgirlsoverboys.D.leadtomorehyperactivity,aggressionandanxietyamongmalechildrenthanamongfemales.问题7选项A.adeclineintheratesofautism,asthmaandbraindamagefromleadpoisoningamongChinesechildrenB.aroughlysimilarpatternofincreasingincidenceofautism,asthmaandlead-linkedbraindamageamongallmainlandchildrenC.fewercasesofasthmaamongboysgrowingupinmainlandcitiesandtownsbutmorecasesofautismandlead-linkedbraindamageamongallChinesechildrenD.moreautism,asthmaandlead-linkedbraindamageamongChineseboysgrowingupincitiesthanamongothergroupsofyoungpeopleinthePRC5.填空题（1）hestudiedinAmericaforthreeyears,hecan’twriteEnglishverywell.Heisratherembarrassedbythisnow.He（2）hehadnotspentmoretime（3）hiswrittenEnglishwhilehewasabroad.句意:尽管在美国学习过三年，但是他的英语书写能力却很差。这让他现在倍感尴尬。他说自己在国外时没有在书面英语上花较多的时间。6.单选题toacclaimAasX:topraiseApubliclyandenthusiasticallyasX.ananatomist:amedicalscientistwhocutsopendeadbodiestostudythemtocommissionX:toorderX(tobemadeorobtained)acorpse:adeadbodytodisinter:tounburygynecology:themedicalfielddealingwithwomen’sdiseasesahenchman:asupporterorassistantwillingtouseviolenceorcriminalmeansleukemia:bloodcancerlucrativeprofitableamidwife:apersontrainedtohelpwomengivebirthobese:veryfatobstetrics:themedicalfieldthatdealswithpregnancyandthedeliveryofbabiespajamas:lightclothesforsleepinginapar:alevelapoorhouse:(historical)apublicshelterinwhichjoblesspoorpeoplewerefedinexchangeforworkapractitioner:someoneworksactivelyin(aprofession)proximity:nearnessaserialkiller:someonewhomurderanumberofpeopleinseparateincidentsSherlockHolmes:themostfamousdetectiveinEnglishliteratureaspree:aperiodofwildactivityunsavoury:dishonest,untrustworthyandprobablyinvolvedincrime1.WilliamhunterandWilliamSmelliecommissionedaregularsupplyofcorpsessotheycouldstudythephysicaleffectsofpregnancy,arguesrespectedhistorianDonShelton.Thesemenaregiantsofmedicine,pioneersofthecarethatwomenreceiveduringchildbirthandwerethefoundingfathersofobstetrics.ThenamesofWilliamhunterandWilliamSmelliestillinspirerespectamongtoday’sdoctors,morethan250yearsaftertheymadetheircontributionstohealthcare,Suchweretheduo’sreputationsasoutstandingphysicianstheclientelesoftheirprivatepracticesincludedtherichandfamousofmid-18th-centruyLondon.2.Butweretheyalsoserialkillers?NewresearchpublishedintheJOURNALOFTHERoyalSocietyofMedicine(JRSM)claimsthattheywere.Adetailedhistoricalstudyaccusesthedoctorsofarrangingforthekillingofdozensofwomen,manyinthelaterstagesofpregnancy,todissecttheircorpses.“SmellieandHunterwereresponsibleforaseriesof18th^-century‘burking’murdersofpregnantwomen,withadeathtotalgreaterthanthecombinedmurderscommittedbyBurkeandHareandJacktheRipper”writesShelton.(“Burking”involvedmurderingpeopletoorder,usuallyformedicalresearch;toavoidtroublewiththelaw,itwasimportanttokillthevictimsinsuchawaythattheyseemedtohavediedofnaturalcauses.Theverb“toburke”isderivedfromthenameofWilliamBurke,anIrishmanconvictedinEndinburghin1829ofkillingpeoplesohecouldselltheirbodiesformedicalexperiments.)3.AccordingtoShelton,HunterandSmelliewerebetweenthemresponsibleforthemurdersof-40pregnantwomenandtheirunbornchildren.Actingseparately,andusinghenchmentodeliver.Theirsupply,theyorganizedakillingspreeinLondonbetween1749and1755and,afteraperiodofinactivityenforcedbymountingsuspicionaboutthesourceofheircorpses,resumedbetween1764and1774.Motivatedbyego,personalrivalryandashareddesiretobenefitfrombeingacclaimedastheforemostchildbirthdoctorsoftheirtime,HunterandSmelliesacrificedlifeafterlifeintheirqueststostudypregnancy’sphysicaleffectsandtodevelopnewtechniques,theauthorsays.“Althoughitsoundsabsolutelyincredible,thecircumstantialliteraryevidencesuggeststheyweremostlikelycompetingwitheachotherinexperimentingwithsecretcaesareansectionsonconscious,orfreshlymurdered,victims,withaviewtoextractingandrevivingthebabies,”SheltontoldtheObserver.”4.Sheltonexaminedthemen’sanatomicalatlases,containingdetailedimagesofpregnantwomenwhohadbeenopenedup,andmedicalliteratureandthecausesofdeathinLondonatthetime.Glasgow’sHunterianmuseumandgalleryisnamedafterScottish-bornHunter,whoin1762becamephysiciantoQueenCharlotte,wifeofGeorgeIII,HehelpedhertodeliverthefuturekingGeorgeIV,Smellie,afellowScot,isnolessdistinguished,FromWitchcrafttoWisdom,atextbookonthehistoryofobstetricandgynaecologicalmedicine,hailshimas“thegreatestobstetricianinthehistoryofBritishobstetrics”.Hehasalsobeencalled“thefatherofBritishmidwifery”.5.Shelton,though,regardstheduoasonaparwithBurkeandHare,whomurdered17citizensofEdinburghin1827and1828,sellingtheirremainstoalocalanatomist,TheLondonofHunterandSmellie’stimewasunhealthyandsemi-anarchic,andearlydeathfromdiseasewaswidespread,aswasgraverobbing.InhisJRSMpaper,Sheltonclaimstoprovethattherivaldoctorscouldnothaveobtainedtheirsupplyofcorpsesbyanyothermeansthanmurder.ItwasrareforMothers-to-betodieorbemurderedsoonbeforetheywereduetogivebirth,saysthehistorian,Peoplefrompoorhouseswhodiedwereusuallyold,unwellorchildren,Thusthegraverobbersofthetimecouldnothavefulfilledtheobstetricians’needforsuchaspecifictypeoffemale,ConcludesShelton.6.Eachusedanassistanttocommissionkillers,hesays,namingDrColinMackenzieasSmellie’saccompliceandJohnHunter-William’sbrother,whowasacelebratedanatomist—ashishelper.Youngwomenfromthecountrysidewereapparentlyfavouritetargetsinacitywhereplentyofpeople“disappeared”.“Thereisgreatsuspicionabouttheabundanceofundeliveredninth—monthcorpsesprocured,dissectedanddepictedintheanatomicalatlasesofSmellieandHunter,”writesShelton.“Theimpossibilityofsupplyfromrandomresurrections,takenwithacarefulanalysisofevents,andof18dl-centurymedicalliterature,showscompellingevidenceforburking,”By1755rumourswerecirculatingthatthewomeninSmellie’sjournalhadbeenmurdered,andassociatesbeganpressinghimontheirorigins.“AsaresultSmellieandHunterbothhaltedtheirresearch,bothpresumablyfearingtrialandexecution,”althoughHunter—whousedhislinkstopowerfulfamiliestoensurenoinvestigationwaseverundertaken—resumedorderingmurders,aboutonceayear,in1764,Sheltonadds.7.AnthonyKenny,agynaecologistinLondonfor40yearsuntilhisretirementin2007,said:“Thesetwoguysaremyheroes.Theideathattheycouldhavebeeninvolvedinthemurderofsubjectsisabsolutelystaggering.”KennyisnowthecuratorofthemuseumoftheRoyalCollegeofObstetriciansandGynaecologists.“Theywerethefirstproperobstetriciansinthecountrybecauseoftheirpioneeringworkpracticingwhatwasthenstillanewbranchofmedicine.”WhileKennydescribesShelton’spaperas“extremelyimpressive”initsresearch,hecannotbelievethathisheroeswereguiltyofsuchterriblecrimes.Thetradeincorpseswasverylucrativeandprobablyattractedunsavoury,unscrupulouscharacters,hepointedout.”Anditcouldbethattheydidn’tmakeproperinquiriesastotheoriginsofthebodies,andsomaynothaveknownthatthewomenweremurdered.8.LudmillaJordanova,aprofessorofmodemhistoryatKing’sCollegeLondonwhospecializesinthehistoryofmedicine,saysShelton’sassertionthatHunterandSmelliecouldnothavecomeacrosssomanydeadpregnantwomenfromanyothersourceas“astrikingclaim,importantresearch...isrevealingthecomplexitiesofanatomicalactivitiesin18th—centuryLondon.Thisisanexcitingandcontroversialareaofhistoricalinvestigation.”WhileSheltonacknowledgesthattheideaofpioneeringmedicalresearchersresortingtoburkingisshocking.HelikestoquoteSherlockHolmes,“Whenyouhaveeliminatedtheimpossible,whateverremains,howeverimprobable,isthetruth.”1.Accordingtotheinformationinparagraph2,WilliamBurke（

）2.AccordingtoDonShelton,pregnantwomenin18thcenturyLondon（

）,3.ThestrongestsupportforShelton’sthesiscomesfrom（

）.4.Inparagraph6,thewordapparentlymeans（

）.5.WhatSheltonwritesaboutthepioneeringgynecologistsHunterandSmellie（

）.问题1选项A.wasahenchmanofHunterandSmellieB.gavehisnametothepracticeofkillingpeoplewithoutleavinganysignsofmurderC.isbelievedtohavekilledpeopleforhisownmedicalresearchD.mademoneybykillingpeopletoprovidebodiesformedicalresearch问题2选项A.GenerallywerenotverylikelytodieinthelastmonthofpregnancyB.SeldomdiedsoonaftergivingbirthC.wereaverysmallpartoftheoverallurbanpopulationD.werequitenumerousinitsmanypoorhouses问题3选项A.thetestimonyofcontemporaryeyewitnessesB.statisticsandprobabilityC.policerecordsofthetimeD.literaryreportsoftheabundantviolenceandcrimein18thcenturyLondon问题4选项A.itisobviousthatB.thereisnodoubtthatC.itappearsthatD.somepeopleassertthat问题5选项A.seemsquitepersuasivetoAnthonyKennyB.appallsandhorrifiesAnthonyKennyC.clearsthem,inAnthonyKenny’sopinion,ofanyguiltorblame.D.SeemscompletelygroundlesstoAnthonyKenny7.单选题

Inthepastthreedecadesgreatchanges,especiallythewayyoungeradultsviewmarriage,havetakenplaceinsociety.问题1选项A.InthepastthreedecadesB.especiallytheC.youngeradultsD.insocietyE.没有错误8.单选题Asthearticlepointsout,oneofthethingsthatlimittheappealofthisyear’snewTVshowsmostdamaginglvisthattheylackofinnovation.问题1选项A.pointsoutB.limittheappealofthisyear’sC.newTVshowsmostdamaginglvD.theylackofinnovation.E.没有问题9.填空题Onourcyclingtourwemanagedtocoveranaverage（1）ofabout25kilometers（2）day.10.单选题Theshort,smilingmanwhointroducehimselfasthemanagerdeniedthatwehadpaidmorethanotherpeople,thoughhedidadmitthatwehadbeenputina“special”room.

问题1选项A.whointroducehimselfB.asthemanagerdeniedC.didadmitD.hadbeenputE.没有错误11.填空题Johnusedtodrinkheavilyatbusinessgatherings.Hisfriendsand（1）warnedhimnottodrivewhenhehadbeendrinking,buthealways（2）theirwarningsanddroveanyway.The（3）neverstoppedhimwhilehewasontheroad,soheconcludedthathewasanexcellentdriver（4）whenhewasdrunk.This,（5）,wasfalse,asheprovedoneeveningonhis（6）backfromadinnerwithclients.Verydrunk,hedrovethrougharedlightandcrashedintoanoncomingcarwithfivepassengers.Twowere

（7）instantly,twowereinjuredandone,thedriver,escapedunharmed.Johnsurvived,buthespenttwoandahalfmonthsinthehospital（8）fromhismanyinjuries.Afterhistrialhewassentto（9）forthreeyears.Hewasreleasedlastmonth.Nowheis（10）torebuildhislife.12.单选题Thenumberofpeoplebuyingprivateautosisstillrisingrapidly,thereforetheeffectofthegovernment'songoingeffortstocutairpollutionremainsopentoquestion.问题1选项A.rapidly,thereforeB.ongoingeffortstocutC.remainsopenD.toquestion.E.没有问题13.填空题A:I’mquite（1）thatyou’veacceptedthatnewjobinShanghai.I（2）thatyouhatedShanghai!B:Notatall!Ilovethecity.Iworkedthere（3）threemonthsaboutfiveyears（4）andIreallyenjoyedtheplacebackthen.A:Well,I’llbe（5）toseeyougo.We'llmissyou!B:Thanks.That’svery（6）ofyoutosay.I'llmissthepeopleinthisofficetoo.14.单选题Sincethedatafromtheexperimentsarenoteasytobeanalysed,itwillbeseveralweeksbeforeweknowwhetherwearefreetoproceedwiththesecondpartofourresearchprogram.问题1选项A.fromB.arenoteasyC.tobeanalysedD.freetoproceedwith15.单选题ThankstosomehelpfromprofessorsattheuniversityinCanberra，theAustralianauthoritiesarelettingmetobringmybiologicalsamplesintothecountrywithouttheusualthree-week

quarantine.问题1选项A.ThankstosomehelpfromB.attheuniversityinCanberraC.arelettingmetobringD.three-weekE.没有问题16.填空题A.（1）isyourheadachenow?B.（2）better,thankyou.17.单选题1.Inthequestforbetterhealth,manypeopleturntodoctors,self-helpbooksorherbalsupplements.Buttheyoverlookapowerfulweaponthatcouldhelpthemfightillnessanddepression,speedrecovery,slowagingandprolonglife:theirfriends.Researchersareonlynowstartingtopayattentiontotheimportanceoffriendshipandsocialnetworksinoverallhealth.A10-yearAustralianstudyfoundthatolderpeoplewithalargecircleoffriendswere22percentlesslikelytodieduringthestudyperiodthanthosewithfewerfriends.Alarge2007studyshowedanincreaseofnearly60percentintheriskforobesityamongpeoplewhosefriendsgainedweightAndlastyear,Harvardresearchersreportedthatstrongsocialtiescouldpromotebrainhealthasweage.“Ingeneral,theroleoffriendshipinourlivesisn’tterriblywellappreciated,”saidRebeccaGAdams,aprofessorofsociologyattheUniversityofNorthCarolina,Greensboro.“Thereisjustscadsofstuffonfamiliesandmarriage,butverylittleonfriendship.Itbafflesme.Friendshiphasabiggerimpactonourpsychologicalwell一beingthanfamilyrelationships.”2.Inanewbook,“TheGirlsFromAmes:AStoryofWomenanda40—YearFriendship”(Gotham),JeffreyZaslowtellsthestoryof11childhoodfriendswhoscatteredfromIowatoeightdifferentStates.Despitethedistance,theirfriendshipsenduredthroughcollegeandmarriage,divorceandothercrises,includingthedeathofoneofthewomeninher20s.Using,scrapbooks,photoalbumsandthewomen’sownmemories,Mr.Zaslowchronicleshowtheirclosefriendshipshaveshapedtheirlivesandcontinuetosustainthem.Theroleoffriendshipintheirhealthandwell-beingisevidentinalmosteverychapter.3.Twoofthefriendshaverecentlylearnedtheyhavebreastcancer.KellyZwagerman,nowahighschoolteacherwholivesinNorthfield,Minn,saidthatwhenshegotherdiagnosisinSeptember2007，herdoctortoldhertosurroundherselfwithlovedones.Instead,shereachedouttoherchildhoodfriends,eventhoughtheylivedfaraway,“ThefirstpeopleItoldwerethewomenfromAmes，”shesaidinaninterview.Je-mailedthem.Iimmediatelyhade-mailsandphonecallsandmessagesofsupport.Itwasinstantthatthelovepouredinfromallofthem.”Whenshecomplainedthathertreatmentledtopainfulsoresinherthroat,anAmesgirlsentasmoothiemakerandrecipes.Another,whohadlostadaughtertoleukemia,sentMs.Zwagermanahand-knittedhat,knowingherheadwouldbecoldwithouthair,stillanothersentpajamasmadeofspecialfabrictohelpcopewithnightsweats.MsZwagermansaidshewasoftenmorecomfortablediscussingherillnesswithhergirlfriendsthanwithherdoctor，“Wegosofarbackthatthesewomenwilltalkaboutanything，”shesaid.4.Ms.ZwagermansaysherfriendsfromAmeshavebeenanessentialfactorinhertreatmentandrecovery,andresearchherout.In2006,astudyofnearly3,000nurseswithbreastcancerfoundthatwomenwithoutclosefriendswerefourtimesaslikelytodiefromthediseaseaswomenwith10ormorefriends.Andnotably,proximityandtheamountofcontactwithafriendwasn’tassociatedwithsurvival.Justhavingfriendswasprotective.5.BellaDePaulo,avisitingpsychologyprofessorattheUniversityofCalifornia,SantaBarbara,whoseworkfocusesonsinglepeopleandfriendships,notesthatinmanystudies,friendshiphasanevengreatereffectonhealththanaspouseorfamilymember.Inthestudyofnurseswithbreastcancer,havingaspousewasn’tassociatedwithsurvival.Whilemanyfriendshipstudiesfocusontheintenserelationshipsofwomen,someresearchshowsthatmencanbenefit,too.Inasix-yearstudyof736middle-ageSwedishmen,attachmenttoasinglepersondidn’tappeartoaffecttheriskofheartattackandfatalcoronaryheartdisease,buthavingfriendshipsdid.Onlysmokingwasasimportantariskfactoraslackofsocialsupport.6.Exactlywhyfriendshiphassuchabigeffectisn’tentirelyclear.Whilefriendscanrunerrandsandpickupmedicineforasickperson,thebenefitsgowellbeyondphysicalassistance;indeed,proximitydoesnotseemtobeafactor.Itmaybethatpeoplewithstrongsocialtiesalsohavebetteraccesstohealthservicesandcare.Beyondthat,however,friendshipclearlyhasaprofoundpsychologicaleffect.Peoplewithstrongfriendshipsarelesslikelythanotherstogetcolds,perhapsbecausetheyhavelowerstresslevels.7.Lastyear,researchersstudied34studentsattheUniversityofVirginia,takingthentothebaseofasteephill