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? ?阅读下面这篇短文，短文后列出7个句子，请根据短文的内容对每个句子做出判断。 {{B}}? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?...
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{{*HTML*}}??阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 ??????? ????????{{B}}UsingHIVVirusto CureCancer{{/B}}??Scientistsareplanningtousehuman immunodeficiency免疫缺陷virusHIVoneofmankind’smostfearedvirusesasa carrierofgeneswhichcanfightcancerandarangeofdiseasesthatcannotbe cured.TheexpertssayHIVhasanalmostperfectabilitytoavoidthebody’s immune免疫的defensesmakingitidealforcarryingreplacementgenesinto patients’bodiesaccordingtotheObserver.??Ateamatthe California-basedSalkInstituteoneoftheworld’sleadingresearchcenterson biologicalscienceshascreatedaspecialnewbreedofHIVandhasstarted negotiationswiththeU.S.FoodandDrugAdministrationFDAtobeginclinical genetherapy治疗trialsthisyear.Thefirsttrialsareexpectedtoinvolve patientssufferingfromcancersthatcannotbecuredbysurgeryalthoughproject leaderProfessorInderVermasaidtheHIVtechniquewouldhavefarwider applications.??Theplanremainsverylikelytocausecontroversy sinceitinvolvesmakinguseofaviruswhichhascausedmorethan22million deathsaroundtheworldinthepasttwodecades.Vermasaidthattheideaof usingHIVforabeneficialpurposewasshockingbutthefiercenatureofHIV haddisappearedbyhavingallsixofthepotentiallydeadlygenes removed.??Illnessessuchasvariouscancersarecausedwhena geneinapatient’sbodyfailstoworkproperly.Inthepasttwoyears breakthroughsingenetics遗传学haveledgenetherapyscientiststotryand replacethegenesthatdonotfunctionnormally.??Unfortunately thebody’simmunedefenseshavebeenknowntoattackthemodifiedgenesandmake themlosetheireffectsbeforetheycanstarttheirtaskandprogressinthe fieldhasbeenheldupbythelackofasuitablecarrier.??The HIVvirushastheabilitytoescapefromandthendestroytheimmunedefense cellsdesignedtoprotectourbodiesandthismakesitattractivetoscientists asawayofsecretlyconveyingreplacementgenesintopatients’ bodies.TheHIVvirushascausedmoredeathsindevelopedcountries.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??Nearlythreein10menhaveexperienced violenceatthehandsofanintimatepartnerduringtheirlifetimesaccording tooneofthefewstudiestolook{{U}}?51?{{/U}}domesticviolenceand healthamongmen.??Manymenactuallydoexperiencedomestic violencealthoughwedon’thearaboutit{{U}}?52?{{/U}}Dr.Robert J.ReidoftheUniversityofWashingtoninSeattleoneoftheauthorstold ReutersHealth.Theyoftendon’ttell{{U}}?53?{{/U}}wedon’task. Wewanttogetthemessageouttomenwho{{U}}?54?{{/U}}experience domesticviolencethattheyarenotaloneandthereareresourcesavailable to{{U}}?55?{{/U}}??Theresearchersaskedstudy participantsaboutphysicalabuseandnon-physical{{U}}?56?{{/U}}such asthreatsthatmadethem{{U}}?57?{{/U}}fortheirsafetycontrolling behaviorforexamplebeingtoldwhotheycouldassociatewithandwherethey couldgoandconstantname-calling.??Amongmen18to54years old14.2percentsaidtheyhadexperiencedintimatepartner{{U}}?58 ?{{/U}}inthepastfiveyearswhile6.1percentreporteddomesticviolence inthepreviousyear.??Rateswerelowerformen55and{{U}} ?59?{{/U}}with5.3percentreportingviolenceinthepastfive yearsand2.4percenthavingexperienceditinthepast12months.? ?Overall30.5percentofmenyoungerthan55and26.5percentofoldermen saidtheyhadbeenvictimsof{{U}}?60?{{/U}}violenceatsomepointin theirlives.Abouthalfoftheviolencethemen{{U}}?61?{{/U}}was physical.??Howeverthephysicalviolencemenreportedwasn’tas harshas{{U}}?62?{{/U}}sufferedbywomeninapreviousstudy;20 percentto40percentofthemenrateditasseverecomparedto61percent of{{U}}?63?{{/U}}.??Menwhoreportedexperiencing domesticviolencehadmoreemotionalandmentalproblems{{U}}?64 ?{{/U}}thosewhohadnotespeciallyoldermenthe{{U}}?65 ?{{/U}}found.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??Nearlythreein10menhaveexperienced violenceatthehandsofanintimatepartnerduringtheirlifetimesaccording tooneofthefewstudiestolook{{U}}?51?{{/U}}domesticviolenceand healthamongmen.??Manymenactuallydoexperiencedomestic violencealthoughwedon’thearaboutit{{U}}?52?{{/U}}Dr.Robert J.ReidoftheUniversityofWashingtoninSeattleoneoftheauthorstold ReutersHealth.Theyoftendon’ttell{{U}}?53?{{/U}}wedon’task. Wewanttogetthemessageouttomenwho{{U}}?54?{{/U}}experience domesticviolencethattheyarenotaloneandthereareresourcesavailable to{{U}}?55?{{/U}}??Theresearchersaskedstudy participantsaboutphysicalabuseandnon-physical{{U}}?56?{{/U}}such asthreatsthatmadethem{{U}}?57?{{/U}}fortheirsafetycontrolling behaviorforexamplebeingtoldwhotheycouldassociatewithandwherethey couldgoandconstantname-calling.??Amongmen18to54years old14.2percentsaidtheyhadexperiencedintimatepartner{{U}}?58 ?{{/U}}inthepastfiveyearswhile6.1percentreporteddomesticviolence inthepreviousyear.??Rateswerelowerformen55and{{U}} ?59?{{/U}}with5.3percentreportingviolenceinthepastfive yearsand2.4percenthavingexperienceditinthepast12months.? ?Overall30.5percentofmenyoungerthan55and26.5percentofoldermen saidtheyhadbeenvictimsof{{U}}?60?{{/U}}violenceatsomepointin theirlives.Abouthalfoftheviolencethemen{{U}}?61?{{/U}}was physical.??Howeverthephysicalviolencemenreportedwasn’tas harshas{{U}}?62?{{/U}}sufferedbywomeninapreviousstudy;20 percentto40percentofthemenrateditasseverecomparedto61percent of{{U}}?63?{{/U}}.??Menwhoreportedexperiencing domesticviolencehadmoreemotionalandmentalproblems{{U}}?64 ?{{/U}}thosewhohadnotespeciallyoldermenthe{{U}}?65 ?{{/U}}found.
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{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??Nearlythreein10menhaveexperienced violenceatthehandsofanintimatepartnerduringtheirlifetimesaccording tooneofthefewstudiestolook{{U}}?51?{{/U}}domesticviolenceand healthamongmen.??Manymenactuallydoexperiencedomestic violencealthoughwedon’thearaboutit{{U}}?52?{{/U}}Dr.Robert J.ReidoftheUniversityofWashingtoninSeattleoneoftheauthorstold ReutersHealth.Theyoftendon’ttell{{U}}?53?{{/U}}wedon’task. Wewanttogetthemessageouttomenwho{{U}}?54?{{/U}}experience domesticviolencethattheyarenotaloneandthereareresourcesavailable to{{U}}?55?{{/U}}??Theresearchersaskedstudy participantsaboutphysicalabuseandnon-physical{{U}}?56?{{/U}}such asthreatsthatmadethem{{U}}?57?{{/U}}fortheirsafetycontrolling behaviorforexamplebeingtoldwhotheycouldassociatewithandwherethey couldgoandconstantname-calling.??Amongmen18to54years old14.2percentsaidtheyhadexperiencedintimatepartner{{U}}?58 ?{{/U}}inthepastfiveyearswhile6.1percentreporteddomesticviolence inthepreviousyear.??Rateswerelowerformen55and{{U}} ?59?{{/U}}with5.3percentreportingviolenceinthepastfive yearsand2.4percenthavingexperienceditinthepast12months.? ?Overall30.5percentofmenyoungerthan55and26.5percentofoldermen saidtheyhadbeenvictimsof{{U}}?60?{{/U}}violenceatsomepointin theirlives.Abouthalfoftheviolencethemen{{U}}?61?{{/U}}was physical.??Howeverthephysicalviolencemenreportedwasn’tas harshas{{U}}?62?{{/U}}sufferedbywomeninapreviousstudy;20 percentto40percentofthemenrateditasseverecomparedto61percent of{{U}}?63?{{/U}}.??Menwhoreportedexperiencing domesticviolencehadmoreemotionalandmentalproblems{{U}}?64 ?{{/U}}thosewhohadnotespeciallyoldermenthe{{U}}?65 ?{{/U}}found.
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{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第3～6段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ?????{{B}}ExercisingYourMemory{{/B}}1 ?Agingdoesnotmeanadramaticdeclineinmemorypowerunlessyouhelpit happenbylettingyourmindgo.2?That’snottosaythatmemorydoesn’t changethroughoutlife.Researchersdividememoryintocategoriesbasedonthe lengthoftimewhenmemoriesarestored.Onesystemdividesitupasshort-term lessthanoneminute;rememberingatelephonenumberwhileyoudialfor instancelong-termoveraperiodofyearsandverylong-termmemoryovera lifetime.3?Short-termmemoryisn’tmastereduntilaboutage7but afterthatyouneverloseit.Long-termmemoryhoweverinvolvesmoreeffort andskillandchangesmorethroughlife.It’snotuntiltheearlyteens十几岁 thatmostpeopledevelopamaturelong-termmemory.4?Firstwemust getinformationintoourheadsthroughlearning.Learningstrategiescanget rusty生锈withoutconstantuse.Highschoolandcollegestudentswhoare forcedtorepeatedlyexercisetheirlongtermmemoryabilitiesatleast long-termenoughtogetthemthroughafinalexamusuallydowellonmemory tests.Thelongeryoustayinschoolthemorechanceyougettopolishyour learningskills.It’snowonderthatmorehighlyeducatedpeoplehavemore effectivememoryskillsthroughoutlife.5?Althougholderpeoplein generallearnsomewhatmoreslowlythantheydidwhenyoungeradramatic differenceexistsbetweenthosewhostayintellectuallyactivemreading discussingtakingclassesthinking—andthosewhodonot.Givingthebraina dailyworkout锻炼isjustasimportantasexercisingyourmuscles.Brainwork keepsyourlearningstrategiesinshapeandthishelpsyourmemorytofunction atfullcapacity.6?Thenextpartofahealthylong-termmemoryis retention记忆力theabilitytostorewhatyouhavelearned.Memoryresearchers stilldonotknowwhethermemoriesarelost—whethertheystillexistinthe brainbutourmentalsearchingcannotturnthemuporhavedisappearedentirely asourbrainages.7?Thethirdnecessityformemoryisrecallthe abilitytobringtomindthememorieswehavestored.Againwhileaginghas widelydifferenteffectsontherecallabilitiesofdifferentpeopleresearch indicatesthattheolderwegetthelongerittakestorecallfacts.Butslower recallisstillrecall.Infactagingdoesnotseemtohaveanyeffecton forgettingatallwhichtakesplaceatthesamerateinyoungerandolder people.Paragraph4______
{{*HTML*}}? ?下面有3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项中选择1个最佳答案{{B}}第一篇{{/B}} ?????????? {{B}}FirstAid{{/B}}??Firstaidisemergencycareforavictimof suddenillnessorinjuryuntilmoreskillfulmedicaltreatmentisavailable.It maysavealifeorimprovecertainvitalsignsincludingpulsetemperaturea clearairway气道andbreathing.Inminoremergenciesfirstaidmaypreventa victim’sconditionfromturningworseandproviderelieffrompain.Firstaid mustbeadministeredasquicklyaspossible.Inthecaseofthecritically injuredafewminutescanmakethedifferencebetweencompleterecoveryand lossoflife.??First-aidmeasuresdependuponavictim’sneeds andtheprovider’slevelofknowledgeandskill.Knowingwhatnottodoinan emergencyisasimportantasknowingwhattodo.Improperlymovingapersonwith aneckinjuryforexamplecanleadtopermanentspinal脊柱的injuryand paralysis瘫痪.??Despitethevarietyofinjuriespossible severalprinciplesoffirstaidapplytoallemergencies.Thefirststepisto cal*lforprofessionalmedicalhelp.Thevictimifconsciousshouldbe reassuredthatmedicalaidhasbeenrequestedandaskedforpermissionto provideanyfirstaid.Nextassessthesceneaskingotherpeopleorthe injuredperson’sfamilyorfriendsaboutdetailsoftheinjuryorillnessany carethatmayhavealreadybeengivenandpreexistingconditionssuchas diabetes糖尿病orhearttrouble.Thevictimshouldbecheckedforamedical bracelet手镯orcardthatdescribesspecialmedicalconditions.Unlessthe accidentscenebecomesunsafeorthevictimmaysufferfurtherinjurydonot movethevictim.??Firstaidrequiresrapidassessmentofvictims todeterminewhetherlife-threateningconditionsexist.Onemethodfor evaluatingavictim’sconditionisknownbytheacronym首字母缩写语ABCwhich standsfor:??A-Airway:isitopenandclear??? B-Breathing:isthepersonbreathing?Looklistenandfeelfor breathing.??C-Circulation:isthereapulse?Istheperson bleedingexternally?Checkskincolorandtemperatureforadditionalindications ofcirculationproblems.Youmayassessavictim’sconditionbyallthefollowingEXCEPT
{{*HTML*}}{{B}}第三篇{{/B}} ??Thereseemtobetwomainreasonsthat womencrymoreoften.Oneisbiological.Uptoage12boysandgirlscry equallyoften.Fromthenuntilage18thelevelofthehormoneprolactin催乳激素 risesinyoungwomenuntiltheirbloodcontains60per-centmorethanmen’s. Andprolactinaffectstheproductionoftears.??Onthe sociologicalsidemeninparticularareconditionedoutofcrying.Fromtheage of12or13boysaretoldthatcryingshowsalossofcontrolthatitisa signofweakness.Ifmenstepoutsidethenormandshowtheirfeelingsinthe workplacetheyruntheriskofgettinglabelsattachedthatarenot complimentary.??Researchesonconversationsshowthatwomenare morelikelytotalkaboutfeelingsmenaboutactivities.Thisisareflection ofoursocialization.Alsomenaremorelikelytoexpresstheiropinions.It givesrisetowomenfeelingenormousfrustrationaboutgettingtheirviews across.Whenwomenarecryingatworkit’softenoutofsheerfrustration aboutnotbeingabletogettheirneedsidentifiedknownputacrossand gettingaresponsetothemThereisasenseofI’mnotbeingtakenseriously. Thetroubleisifawomancriesinthissituationmenarelikelytosay She’sfartooemotional.Therearethoughacoupleofarenas活动场所inwhich itseemstobeacceptableformentobeemotional:sportsandespeciallymore recentlypolitics.AnessayinTimesmagazineoncereportedontimelytears fromformerPresidentsGeorgeBushandRichardNixon.TheTimesessaysays1988 presidentialcandidatePatriciaSchroeder’stearsledsometodescribeheras justanotherweakwomantemperamentallyunfittedforthepresidency.It concludes:Menmayweepbutwomenmustprovethem-selvesmadeofsterner stuff.Thecauseforwomencryingmoreoftenisthat______
{{*HTML*}}{{B}}第三篇{{/B}} ??Thereseemtobetwomainreasonsthat womencrymoreoften.Oneisbiological.Uptoage12boysandgirlscry equallyoften.Fromthenuntilage18thelevelofthehormoneprolactin催乳激素 risesinyoungwomenuntiltheirbloodcontains60per-centmorethanmen’s. Andprolactinaffectstheproductionoftears.??Onthe sociologicalsidemeninparticularareconditionedoutofcrying.Fromtheage of12or13boysaretoldthatcryingshowsalossofcontrolthatitisa signofweakness.Ifmenstepoutsidethenormandshowtheirfeelingsinthe workplacetheyruntheriskofgettinglabelsattachedthatarenot complimentary.??Researchesonconversationsshowthatwomenare morelikelytotalkaboutfeelingsmenaboutactivities.Thisisareflection ofoursocialization.Alsomenaremorelikelytoexpresstheiropinions.It givesrisetowomenfeelingenormousfrustrationaboutgettingtheirviews across.Whenwomenarecryingatworkit’softenoutofsheerfrustration aboutnotbeingabletogettheirneedsidentifiedknownputacrossand gettingaresponsetothemThereisasenseofI’mnotbeingtakenseriously. Thetroubleisifawomancriesinthissituationmenarelikelytosay She’sfartooemotional.Therearethoughacoupleofarenas活动场所inwhich itseemstobeacceptableformentobeemotional:sportsandespeciallymore recentlypolitics.AnessayinTimesmagazineoncereportedontimelytears fromformerPresidentsGeorgeBushandRichardNixon.TheTimesessaysays1988 presidentialcandidatePatriciaSchroeder’stearsledsometodescribeheras justanotherweakwomantemperamentallyunfittedforthepresidency.It concludes:Menmayweepbutwomenmustprovethem-selvesmadeofsterner stuff.Accordingtothepassagethedifferencebetweenmenandwomenonconversationisthat______
{{*HTML*}}? ?阅读下面的短文文章中有5处空白文章后有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 ??Donotunderestimate低估thepowerofrevisioninthedaysand hoursbeforeandexamination.Thecloseryouaretotheexamthemorechance youhaveofstoringandretainingcrucialinformation.Butdonotoverdoit.{{U}} ?46?{{/U}}Aneffectivedailyroutinecanhelpyouthroughanexam periodsointhedaysleadinguptoyourfirstex-amgetintothehabitof beingupandreadytoworkbygame.Itcanbeashocktothesystemaftermonths ofworkingtoyourowntimetabletobementallyalertatthattimeifyouhave notpreparedforit.??Onthedayoftheexamhaveagood breakfastpacktwoofeverythingyouneedpenspencilserasersetc.then makeyourwaytotheexaminationhallingoodtime.{{U}}?47 ?{{/U}}??Onceinyourseatsimplypauseforafewsecondsand collectyourthoughts.Closeyoureyesandtakeinafewslowdeepbreathsto helpyourelax.Whenyouturnoverthetestpaperspendashortperiodreading throughalltheinstructionsandquestionspayingparticularattentiontokey verbssuchasdiscusscompareandevaluate.{{U}}?48?{{/U}}Itis alwayswisetoallow10minutesattheendoftheexamtogiveyour-selftime togobackoveryouranswers.Onceyouhaveselectedthequestionsyouwishto tacklebeginbyattemptingtheoneyouthinkisyourstrongest.Itwillgive youmoreconfidencewhenyouseeawell-answeredquestiondownonpaper.Also remembertowriteclearlyanddonotbeafraidtoexpresstheunexpected:after allexaminerscangetveryboredmarkingstereotypical千篇一律的answers.{{U}} ?49?{{/U}}Ifyoudoneedsomethingelsetofocusontohelpyou collectyourthoughtschooseafixture固定设施intheroomsuchastheceiling oranythingelsethatwillnotallowyoutobedistracted.? ?Finallyonceyouhavefinishedneverhangaroundoutsideafterwardsto attendthediscussionbyotherstudents{{U}}?50?{{/U}}? ?A.Trynottobetemptedtolookatthosearoundyouoratthe clock.??B.Whenyougethomereadtheexaminationpaperthrough andlookupthewordsyoudidn’tunderstand.??C.Sleepexercise andrelaxationarealljustasimportant.??D.Mapoutaquick planofpointsyouwishtomakeandhowmuchtimeyoushouldspendoneach question.??E.Goandhaveawell-earnedrest--thenpreparefor yournextexam.??F.Donotarrivetooearlythoughasother people’sanxietycanbecontagious传染性的andyoumaysufferfromundue panic.
{{*HTML*}}??阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 ??????? ????????{{B}}UsingHIVVirusto CureCancer{{/B}}??Scientistsareplanningtousehuman immunodeficiency免疫缺陷virusHIVoneofmankind’smostfearedvirusesasa carrierofgeneswhichcanfightcancerandarangeofdiseasesthatcannotbe cured.TheexpertssayHIVhasanalmostperfectabilitytoavoidthebody’s immune免疫的defensesmakingitidealforcarryingreplacementgenesinto patients’bodiesaccordingtotheObserver.??Ateamatthe California-basedSalkInstituteoneoftheworld’sleadingresearchcenterson biologicalscienceshascreatedaspecialnewbreedofHIVandhasstarted negotiationswiththeU.S.FoodandDrugAdministrationFDAtobeginclinical genetherapy治疗trialsthisyear.Thefirsttrialsareexpectedtoinvolve patientssufferingfromcancersthatcannotbecuredbysurgeryalthoughproject leaderProfessorInderVermasaidtheHIVtechniquewouldhavefarwider applications.??Theplanremainsverylikelytocausecontroversy sinceitinvolvesmakinguseofaviruswhichhascausedmorethan22million deathsaroundtheworldinthepasttwodecades.Vermasaidthattheideaof usingHIVforabeneficialpurposewasshockingbutthefiercenatureofHIV haddisappearedbyhavingallsixofthepotentiallydeadlygenes removed.??Illnessessuchasvariouscancersarecausedwhena geneinapatient’sbodyfailstoworkproperly.Inthepasttwoyears breakthroughsingenetics遗传学haveledgenetherapyscientiststotryand replacethegenesthatdonotfunctionnormally.??Unfortunately thebody’simmunedefenseshavebeenknowntoattackthemodifiedgenesandmake themlosetheireffectsbeforetheycanstarttheirtaskandprogressinthe fieldhasbeenheldupbythelackofasuitablecarrier.??The HIVvirushastheabilitytoescapefromandthendestroytheimmunedefense cellsdesignedtoprotectourbodiesandthismakesitattractivetoscientists asawayofsecretlyconveyingreplacementgenesintopatients’ bodies.FDAhasapprovedtheplanofusingHIVtocurecancerinhumans.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??Nearlythreein10menhaveexperienced violenceatthehandsofanintimatepartnerduringtheirlifetimesaccording tooneofthefewstudiestolook{{U}}?51?{{/U}}domesticviolenceand healthamongmen.??Manymenactuallydoexperiencedomestic violencealthoughwedon’thearaboutit{{U}}?52?{{/U}}Dr.Robert J.ReidoftheUniversityofWashingtoninSeattleoneoftheauthorstold ReutersHealth.Theyoftendon’ttell{{U}}?53?{{/U}}wedon’task. Wewanttogetthemessageouttomenwho{{U}}?54?{{/U}}experience domesticviolencethattheyarenotaloneandthereareresourcesavailable to{{U}}?55?{{/U}}??Theresearchersaskedstudy participantsaboutphysicalabuseandnon-physical{{U}}?56?{{/U}}such asthreatsthatmadethem{{U}}?57?{{/U}}fortheirsafetycontrolling behaviorforexamplebeingtoldwhotheycouldassociatewithandwherethey couldgoandconstantname-calling.??Amongmen18to54years old14.2percentsaidtheyhadexperiencedintimatepartner{{U}}?58 ?{{/U}}inthepastfiveyearswhile6.1percentreporteddomesticviolence inthepreviousyear.??Rateswerelowerformen55and{{U}} ?59?{{/U}}with5.3percentreportingviolenceinthepastfive yearsand2.4percenthavingexperienceditinthepast12months.? ?Overall30.5percentofmenyoungerthan55and26.5percentofoldermen saidtheyhadbeenvictimsof{{U}}?60?{{/U}}violenceatsomepointin theirlives.Abouthalfoftheviolencethemen{{U}}?61?{{/U}}was physical.??Howeverthephysicalviolencemenreportedwasn’tas harshas{{U}}?62?{{/U}}sufferedbywomeninapreviousstudy;20 percentto40percentofthemenrateditasseverecomparedto61percent of{{U}}?63?{{/U}}.??Menwhoreportedexperiencing domesticviolencehadmoreemotionalandmentalproblems{{U}}?64 ?{{/U}}thosewhohadnotespeciallyoldermenthe{{U}}?65 ?{{/U}}found.
{{*HTML*}}? ?阅读下面的短文文章中有5处空白文章后有6组文字请根据文章的内容选择5组文字将其分别放回文章原有位置以恢复文章原貌 ??Donotunderestimate低估thepowerofrevisioninthedaysand hoursbeforeandexamination.Thecloseryouaretotheexamthemorechance youhaveofstoringandretainingcrucialinformation.Butdonotoverdoit.{{U}} ?46?{{/U}}Aneffectivedailyroutinecanhelpyouthroughanexam periodsointhedaysleadinguptoyourfirstex-amgetintothehabitof beingupandreadytoworkbygame.Itcanbeashocktothesystemaftermonths ofworkingtoyourowntimetabletobementallyalertatthattimeifyouhave notpreparedforit.??Onthedayoftheexamhaveagood breakfastpacktwoofeverythingyouneedpenspencilserasersetc.then makeyourwaytotheexaminationhallingoodtime.{{U}}?47 ?{{/U}}??Onceinyourseatsimplypauseforafewsecondsand collectyourthoughts.Closeyoureyesandtakeinafewslowdeepbreathsto helpyourelax.Whenyouturnoverthetestpaperspendashortperiodreading throughalltheinstructionsandquestionspayingparticularattentiontokey verbssuchasdiscusscompareandevaluate.{{U}}?48?{{/U}}Itis alwayswisetoallow10minutesattheendoftheexamtogiveyour-selftime togobackoveryouranswers.Onceyouhaveselectedthequestionsyouwishto tacklebeginbyattemptingtheoneyouthinkisyourstrongest.Itwillgive youmoreconfidencewhenyouseeawell-answeredquestiondownonpaper.Also remembertowriteclearlyanddonotbeafraidtoexpresstheunexpected:after allexaminerscangetveryboredmarkingstereotypical千篇一律的answers.{{U}} ?49?{{/U}}Ifyoudoneedsomethingelsetofocusontohelpyou collectyourthoughtschooseafixture固定设施intheroomsuchastheceiling oranythingelsethatwillnotallowyoutobedistracted.? ?Finallyonceyouhavefinishedneverhangaroundoutsideafterwardsto attendthediscussionbyotherstudents{{U}}?50?{{/U}}? ?A.Trynottobetemptedtolookatthosearoundyouoratthe clock.??B.Whenyougethomereadtheexaminationpaperthrough andlookupthewordsyoudidn’tunderstand.??C.Sleepexercise andrelaxationarealljustasimportant.??D.Mapoutaquick planofpointsyouwishtomakeandhowmuchtimeyoushouldspendoneach question.??E.Goandhaveawell-earnedrest--thenpreparefor yournextexam.??F.Donotarrivetooearlythoughasother people’sanxietycanbecontagious传染性的andyoumaysufferfromundue panic.
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{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第3～6段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ?????{{B}}ExercisingYourMemory{{/B}}1 ?Agingdoesnotmeanadramaticdeclineinmemorypowerunlessyouhelpit happenbylettingyourmindgo.2?That’snottosaythatmemorydoesn’t changethroughoutlife.Researchersdividememoryintocategoriesbasedonthe lengthoftimewhenmemoriesarestored.Onesystemdividesitupasshort-term lessthanoneminute;rememberingatelephonenumberwhileyoudialfor instancelong-termoveraperiodofyearsandverylong-termmemoryovera lifetime.3?Short-termmemoryisn’tmastereduntilaboutage7but afterthatyouneverloseit.Long-termmemoryhoweverinvolvesmoreeffort andskillandchangesmorethroughlife.It’snotuntiltheearlyteens十几岁 thatmostpeopledevelopamaturelong-termmemory.4?Firstwemust getinformationintoourheadsthroughlearning.Learningstrategiescanget rusty生锈withoutconstantuse.Highschoolandcollegestudentswhoare forcedtorepeatedlyexercisetheirlongtermmemoryabilitiesatleast long-termenoughtogetthemthroughafinalexamusuallydowellonmemory tests.Thelongeryoustayinschoolthemorechanceyougettopolishyour learningskills.It’snowonderthatmorehighlyeducatedpeoplehavemore effectivememoryskillsthroughoutlife.5?Althougholderpeoplein generallearnsomewhatmoreslowlythantheydidwhenyoungeradramatic differenceexistsbetweenthosewhostayintellectuallyactivemreading discussingtakingclassesthinking—andthosewhodonot.Givingthebraina dailyworkout锻炼isjustasimportantasexercisingyourmuscles.Brainwork keepsyourlearningstrategiesinshapeandthishelpsyourmemorytofunction atfullcapacity.6?Thenextpartofahealthylong-termmemoryis retention记忆力theabilitytostorewhatyouhavelearned.Memoryresearchers stilldonotknowwhethermemoriesarelost—whethertheystillexistinthe brainbutourmentalsearchingcannotturnthemuporhavedisappearedentirely asourbrainages.7?Thethirdnecessityformemoryisrecallthe abilitytobringtomindthememorieswehavestored.Againwhileaginghas widelydifferenteffectsontherecallabilitiesofdifferentpeopleresearch indicatesthattheolderwegetthelongerittakestorecallfacts.Butslower recallisstillrecall.Infactagingdoesnotseemtohaveanyeffecton forgettingatallwhichtakesplaceatthesamerateinyoungerandolder people.Paragraph6______
{{*HTML*}}{{B}}第三篇{{/B}} ??Thereseemtobetwomainreasonsthat womencrymoreoften.Oneisbiological.Uptoage12boysandgirlscry equallyoften.Fromthenuntilage18thelevelofthehormoneprolactin催乳激素 risesinyoungwomenuntiltheirbloodcontains60per-centmorethanmen’s. Andprolactinaffectstheproductionoftears.??Onthe sociologicalsidemeninparticularareconditionedoutofcrying.Fromtheage of12or13boysaretoldthatcryingshowsalossofcontrolthatitisa signofweakness.Ifmenstepoutsidethenormandshowtheirfeelingsinthe workplacetheyruntheriskofgettinglabelsattachedthatarenot complimentary.??Researchesonconversationsshowthatwomenare morelikelytotalkaboutfeelingsmenaboutactivities.Thisisareflection ofoursocialization.Alsomenaremorelikelytoexpresstheiropinions.It givesrisetowomenfeelingenormousfrustrationaboutgettingtheirviews across.Whenwomenarecryingatworkit’softenoutofsheerfrustration aboutnotbeingabletogettheirneedsidentifiedknownputacrossand gettingaresponsetothemThereisasenseofI’mnotbeingtakenseriously. Thetroubleisifawomancriesinthissituationmenarelikelytosay She’sfartooemotional.Therearethoughacoupleofarenas活动场所inwhich itseemstobeacceptableformentobeemotional:sportsandespeciallymore recentlypolitics.AnessayinTimesmagazineoncereportedontimelytears fromformerPresidentsGeorgeBushandRichardNixon.TheTimesessaysays1988 presidentialcandidatePatriciaSchroeder’stearsledsometodescribeheras justanotherweakwomantemperamentallyunfittedforthepresidency.It concludes:Menmayweepbutwomenmustprovethem-selvesmadeofsterner stuff.WhatdoesthelastsentenceMenmayweepbutwomenmustprovethemselvesmadeofsternerstuffmean?
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{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??Nearlythreein10menhaveexperienced violenceatthehandsofanintimatepartnerduringtheirlifetimesaccording tooneofthefewstudiestolook{{U}}?51?{{/U}}domesticviolenceand healthamongmen.??Manymenactuallydoexperiencedomestic violencealthoughwedon’thearaboutit{{U}}?52?{{/U}}Dr.Robert J.ReidoftheUniversityofWashingtoninSeattleoneoftheauthorstold ReutersHealth.Theyoftendon’ttell{{U}}?53?{{/U}}wedon’task. Wewanttogetthemessageouttomenwho{{U}}?54?{{/U}}experience domesticviolencethattheyarenotaloneandthereareresourcesavailable to{{U}}?55?{{/U}}??Theresearchersaskedstudy participantsaboutphysicalabuseandnon-physical{{U}}?56?{{/U}}such asthreatsthatmadethem{{U}}?57?{{/U}}fortheirsafetycontrolling behaviorforexamplebeingtoldwhotheycouldassociatewithandwherethey couldgoandconstantname-calling.??Amongmen18to54years old14.2percentsaidtheyhadexperiencedintimatepartner{{U}}?58 ?{{/U}}inthepastfiveyearswhile6.1percentreporteddomesticviolence inthepreviousyear.??Rateswerelowerformen55and{{U}} ?59?{{/U}}with5.3percentreportingviolenceinthepastfive yearsand2.4percenthavingexperienceditinthepast12months.? ?Overall30.5percentofmenyoungerthan55and26.5percentofoldermen saidtheyhadbeenvictimsof{{U}}?60?{{/U}}violenceatsomepointin theirlives.Abouthalfoftheviolencethemen{{U}}?61?{{/U}}was physical.??Howeverthephysicalviolencemenreportedwasn’tas harshas{{U}}?62?{{/U}}sufferedbywomeninapreviousstudy;20 percentto40percentofthemenrateditasseverecomparedto61percent of{{U}}?63?{{/U}}.??Menwhoreportedexperiencing domesticviolencehadmoreemotionalandmentalproblems{{U}}?64 ?{{/U}}thosewhohadnotespeciallyoldermenthe{{U}}?65 ?{{/U}}found.
{{*HTML*}}??阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 ??????? ????????{{B}}UsingHIVVirusto CureCancer{{/B}}??Scientistsareplanningtousehuman immunodeficiency免疫缺陷virusHIVoneofmankind’smostfearedvirusesasa carrierofgeneswhichcanfightcancerandarangeofdiseasesthatcannotbe cured.TheexpertssayHIVhasanalmostperfectabilitytoavoidthebody’s immune免疫的defensesmakingitidealforcarryingreplacementgenesinto patients’bodiesaccordingtotheObserver.??Ateamatthe California-basedSalkInstituteoneoftheworld’sleadingresearchcenterson biologicalscienceshascreatedaspecialnewbreedofHIVandhasstarted negotiationswiththeU.S.FoodandDrugAdministrationFDAtobeginclinical genetherapy治疗trialsthisyear.Thefirsttrialsareexpectedtoinvolve patientssufferingfromcancersthatcannotbecuredbysurgeryalthoughproject leaderProfessorInderVermasaidtheHIVtechniquewouldhavefarwider applications.??Theplanremainsverylikelytocausecontroversy sinceitinvolvesmakinguseofaviruswhichhascausedmorethan22million deathsaroundtheworldinthepasttwodecades.Vermasaidthattheideaof usingHIVforabeneficialpurposewasshockingbutthefiercenatureofHIV haddisappearedbyhavingallsixofthepotentiallydeadlygenes removed.??Illnessessuchasvariouscancersarecausedwhena geneinapatient’sbodyfailstoworkproperly.Inthepasttwoyears breakthroughsingenetics遗传学haveledgenetherapyscientiststotryand replacethegenesthatdonotfunctionnormally.??Unfortunately thebody’simmunedefenseshavebeenknowntoattackthemodifiedgenesandmake themlosetheireffectsbeforetheycanstarttheirtaskandprogressinthe fieldhasbeenheldupbythelackofasuitablecarrier.??The HIVvirushastheabilitytoescapefromandthendestroytheimmunedefense cellsdesignedtoprotectourbodiesandthismakesitattractivetoscientists asawayofsecretlyconveyingreplacementgenesintopatients’ bodies.HIVcanbesafelyusedtocurecanceronlyifthedeadlygeneshavebeenremoved.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??Nearlythreein10menhaveexperienced violenceatthehandsofanintimatepartnerduringtheirlifetimesaccording tooneofthefewstudiestolook{{U}}?51?{{/U}}domesticviolenceand healthamongmen.??Manymenactuallydoexperiencedomestic violencealthoughwedon’thearaboutit{{U}}?52?{{/U}}Dr.Robert J.ReidoftheUniversityofWashingtoninSeattleoneoftheauthorstold ReutersHealth.Theyoftendon’ttell{{U}}?53?{{/U}}wedon’task. Wewanttogetthemessageouttomenwho{{U}}?54?{{/U}}experience domesticviolencethattheyarenotaloneandthereareresourcesavailable to{{U}}?55?{{/U}}??Theresearchersaskedstudy participantsaboutphysicalabuseandnon-physical{{U}}?56?{{/U}}such asthreatsthatmadethem{{U}}?57?{{/U}}fortheirsafetycontrolling behaviorforexamplebeingtoldwhotheycouldassociatewithandwherethey couldgoandconstantname-calling.??Amongmen18to54years old14.2percentsaidtheyhadexperiencedintimatepartner{{U}}?58 ?{{/U}}inthepastfiveyearswhile6.1percentreporteddomesticviolence inthepreviousyear.??Rateswerelowerformen55and{{U}} ?59?{{/U}}with5.3percentreportingviolenceinthepastfive yearsand2.4percenthavingexperienceditinthepast12months.? ?Overall30.5percentofmenyoungerthan55and26.5percentofoldermen saidtheyhadbeenvictimsof{{U}}?60?{{/U}}violenceatsomepointin theirlives.Abouthalfoftheviolencethemen{{U}}?61?{{/U}}was physical.??Howeverthephysicalviolencemenreportedwasn’tas harshas{{U}}?62?{{/U}}sufferedbywomeninapreviousstudy;20 percentto40percentofthemenrateditasseverecomparedto61percent of{{U}}?63?{{/U}}.??Menwhoreportedexperiencing domesticviolencehadmoreemotionalandmentalproblems{{U}}?64 ?{{/U}}thosewhohadnotespeciallyoldermenthe{{U}}?65 ?{{/U}}found.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??Nearlythreein10menhaveexperienced violenceatthehandsofanintimatepartnerduringtheirlifetimesaccording tooneofthefewstudiestolook{{U}}?51?{{/U}}domesticviolenceand healthamongmen.??Manymenactuallydoexperiencedomestic violencealthoughwedon’thearaboutit{{U}}?52?{{/U}}Dr.Robert J.ReidoftheUniversityofWashingtoninSeattleoneoftheauthorstold ReutersHealth.Theyoftendon’ttell{{U}}?53?{{/U}}wedon’task. Wewanttogetthemessageouttomenwho{{U}}?54?{{/U}}experience domesticviolencethattheyarenotaloneandthereareresourcesavailable to{{U}}?55?{{/U}}??Theresearchersaskedstudy participantsaboutphysicalabuseandnon-physical{{U}}?56?{{/U}}such asthreatsthatmadethem{{U}}?57?{{/U}}fortheirsafetycontrolling behaviorforexamplebeingtoldwhotheycouldassociatewithandwherethey couldgoandconstantname-calling.??Amongmen18to54years old14.2percentsaidtheyhadexperiencedintimatepartner{{U}}?58 ?{{/U}}inthepastfiveyearswhile6.1percentreporteddomesticviolence inthepreviousyear.??Rateswerelowerformen55and{{U}} ?59?{{/U}}with5.3percentreportingviolenceinthepastfive yearsand2.4percenthavingexperienceditinthepast12months.? ?Overall30.5percentofmenyoungerthan55and26.5percentofoldermen saidtheyhadbeenvictimsof{{U}}?60?{{/U}}violenceatsomepointin theirlives.Abouthalfoftheviolencethemen{{U}}?61?{{/U}}was physical.??Howeverthephysicalviolencemenreportedwasn’tas harshas{{U}}?62?{{/U}}sufferedbywomeninapreviousstudy;20 percentto40percentofthemenrateditasseverecomparedto61percent of{{U}}?63?{{/U}}.??Menwhoreportedexperiencing domesticviolencehadmoreemotionalandmentalproblems{{U}}?64 ?{{/U}}thosewhohadnotespeciallyoldermenthe{{U}}?65 ?{{/U}}found.
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{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??Nearlythreein10menhaveexperienced violenceatthehandsofanintimatepartnerduringtheirlifetimesaccording tooneofthefewstudiestolook{{U}}?51?{{/U}}domesticviolenceand healthamongmen.??Manymenactuallydoexperiencedomestic violencealthoughwedon’thearaboutit{{U}}?52?{{/U}}Dr.Robert J.ReidoftheUniversityofWashingtoninSeattleoneoftheauthorstold ReutersHealth.Theyoftendon’ttell{{U}}?53?{{/U}}wedon’task. Wewanttogetthemessageouttomenwho{{U}}?54?{{/U}}experience domesticviolencethattheyarenotaloneandthereareresourcesavailable to{{U}}?55?{{/U}}??Theresearchersaskedstudy participantsaboutphysicalabuseandnon-physical{{U}}?56?{{/U}}such asthreatsthatmadethem{{U}}?57?{{/U}}fortheirsafetycontrolling behaviorforexamplebeingtoldwhotheycouldassociatewithandwherethey couldgoandconstantname-calling.??Amongmen18to54years old14.2percentsaidtheyhadexperiencedintimatepartner{{U}}?58 ?{{/U}}inthepastfiveyearswhile6.1percentreporteddomesticviolence inthepreviousyear.??Rateswerelowerformen55and{{U}} ?59?{{/U}}with5.3percentreportingviolenceinthepastfive yearsand2.4percenthavingexperienceditinthepast12months.? ?Overall30.5percentofmenyoungerthan55and26.5percentofoldermen saidtheyhadbeenvictimsof{{U}}?60?{{/U}}violenceatsomepointin theirlives.Abouthalfoftheviolencethemen{{U}}?61?{{/U}}was physical.??Howeverthephysicalviolencemenreportedwasn’tas harshas{{U}}?62?{{/U}}sufferedbywomeninapreviousstudy;20 percentto40percentofthemenrateditasseverecomparedto61percent of{{U}}?63?{{/U}}.??Menwhoreportedexperiencing domesticviolencehadmoreemotionalandmentalproblems{{U}}?64 ?{{/U}}thosewhohadnotespeciallyoldermenthe{{U}}?65 ?{{/U}}found.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第3～6段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ?????{{B}}ExercisingYourMemory{{/B}}1 ?Agingdoesnotmeanadramaticdeclineinmemorypowerunlessyouhelpit happenbylettingyourmindgo.2?That’snottosaythatmemorydoesn’t changethroughoutlife.Researchersdividememoryintocategoriesbasedonthe lengthoftimewhenmemoriesarestored.Onesystemdividesitupasshort-term lessthanoneminute;rememberingatelephonenumberwhileyoudialfor instancelong-termoveraperiodofyearsandverylong-termmemoryovera lifetime.3?Short-termmemoryisn’tmastereduntilaboutage7but afterthatyouneverloseit.Long-termmemoryhoweverinvolvesmoreeffort andskillandchangesmorethroughlife.It’snotuntiltheearlyteens十几岁 thatmostpeopledevelopamaturelong-termmemory.4?Firstwemust getinformationintoourheadsthroughlearning.Learningstrategiescanget rusty生锈withoutconstantuse.Highschoolandcollegestudentswhoare forcedtorepeatedlyexercisetheirlongtermmemoryabilitiesatleast long-termenoughtogetthemthroughafinalexamusuallydowellonmemory tests.Thelongeryoustayinschoolthemorechanceyougettopolishyour learningskills.It’snowonderthatmorehighlyeducatedpeoplehavemore effectivememoryskillsthroughoutlife.5?Althougholderpeoplein generallearnsomewhatmoreslowlythantheydidwhenyoungeradramatic differenceexistsbetweenthosewhostayintellectuallyactivemreading discussingtakingclassesthinking—andthosewhodonot.Givingthebraina dailyworkout锻炼isjustasimportantasexercisingyourmuscles.Brainwork keepsyourlearningstrategiesinshapeandthishelpsyourmemorytofunction atfullcapacity.6?Thenextpartofahealthylong-termmemoryis retention记忆力theabilitytostorewhatyouhavelearned.Memoryresearchers stilldonotknowwhethermemoriesarelost—whethertheystillexistinthe brainbutourmentalsearchingcannotturnthemuporhavedisappearedentirely asourbrainages.7?Thethirdnecessityformemoryisrecallthe abilitytobringtomindthememorieswehavestored.Againwhileaginghas widelydifferenteffectsontherecallabilitiesofdifferentpeopleresearch indicatesthattheolderwegetthelongerittakestorecallfacts.Butslower recallisstillrecall.Infactagingdoesnotseemtohaveanyeffecton forgettingatallwhichtakesplaceatthesamerateinyoungerandolder people.Exercisingyourbraineverydayisbeneficial______.
{{*HTML*}}? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第3～6段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ?????{{B}}ExercisingYourMemory{{/B}}1 ?Agingdoesnotmeanadramaticdeclineinmemorypowerunlessyouhelpit happenbylettingyourmindgo.2?That’snottosaythatmemorydoesn’t changethroughoutlife.Researchersdividememoryintocategoriesbasedonthe lengthoftimewhenmemoriesarestored.Onesystemdividesitupasshort-term lessthanoneminute;rememberingatelephonenumberwhileyoudialfor instancelong-termoveraperiodofyearsandverylong-termmemoryovera lifetime.3?Short-termmemoryisn’tmastereduntilaboutage7but afterthatyouneverloseit.Long-termmemoryhoweverinvolvesmoreeffort andskillandchangesmorethroughlife.It’snotuntiltheearlyteens十几岁 thatmostpeopledevelopamaturelong-termmemory.4?Firstwemust getinformationintoourheadsthroughlearning.Learningstrategiescanget rusty生锈withoutconstantuse.Highschoolandcollegestudentswhoare forcedtorepeatedlyexercisetheirlongtermmemoryabilitiesatleast long-termenoughtogetthemthroughafinalexamusuallydowellonmemory tests.Thelongeryoustayinschoolthemorechanceyougettopolishyour learningskills.It’snowonderthatmorehighlyeducatedpeoplehavemore effectivememoryskillsthroughoutlife.5?Althougholderpeoplein generallearnsomewhatmoreslowlythantheydidwhenyoungeradramatic differenceexistsbetweenthosewhostayintellectuallyactivemreading discussingtakingclassesthinking—andthosewhodonot.Givingthebraina dailyworkout锻炼isjustasimportantasexercisingyourmuscles.Brainwork keepsyourlearningstrategiesinshapeandthishelpsyourmemorytofunction atfullcapacity.6?Thenextpartofahealthylong-termmemoryis retention记忆力theabilitytostorewhatyouhavelearned.Memoryresearchers stilldonotknowwhethermemoriesarelost—whethertheystillexistinthe brainbutourmentalsearchingcannotturnthemuporhavedisappearedentirely asourbrainages.7?Thethirdnecessityformemoryisrecallthe abilitytobringtomindthememorieswehavestored.Againwhileaginghas widelydifferenteffectsontherecallabilitiesofdifferentpeopleresearch indicatesthattheolderwegetthelongerittakestorecallfacts.Butslower recallisstillrecall.Infactagingdoesnotseemtohaveanyeffecton forgettingatallwhichtakesplaceatthesamerateinyoungerandolder people.Therateofforgettingisthesame______.
Theunionrepresentative{{U}}putacross{{/U}}herargumentveryeffectively.
{{*HTML*}}??阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 ??????? ????????{{B}}UsingHIVVirusto CureCancer{{/B}}??Scientistsareplanningtousehuman immunodeficiency免疫缺陷virusHIVoneofmankind’smostfearedvirusesasa carrierofgeneswhichcanfightcancerandarangeofdiseasesthatcannotbe cured.TheexpertssayHIVhasanalmostperfectabilitytoavoidthebody’s immune免疫的defensesmakingitidealforcarryingreplacementgenesinto patients’bodiesaccordingtotheObserver.??Ateamatthe California-basedSalkInstituteoneoftheworld’sleadingresearchcenterson biologicalscienceshascreatedaspecialnewbreedofHIVandhasstarted negotiationswiththeU.S.FoodandDrugAdministrationFDAtobeginclinical genetherapy治疗trialsthisyear.Thefirsttrialsareexpectedtoinvolve patientssufferingfromcancersthatcannotbecuredbysurgeryalthoughproject leaderProfessorInderVermasaidtheHIVtechniquewouldhavefarwider applications.??Theplanremainsverylikelytocausecontroversy sinceitinvolvesmakinguseofaviruswhichhascausedmorethan22million deathsaroundtheworldinthepasttwodecades.Vermasaidthattheideaof usingHIVforabeneficialpurposewasshockingbutthefiercenatureofHIV haddisappearedbyhavingallsixofthepotentiallydeadlygenes removed.??Illnessessuchasvariouscancersarecausedwhena geneinapatient’sbodyfailstoworkproperly.Inthepasttwoyears breakthroughsingenetics遗传学haveledgenetherapyscientiststotryand replacethegenesthatdonotfunctionnormally.??Unfortunately thebody’simmunedefenseshavebeenknowntoattackthemodifiedgenesandmake themlosetheireffectsbeforetheycanstarttheirtaskandprogressinthe fieldhasbeenheldupbythelackofasuitablecarrier.??The HIVvirushastheabilitytoescapefromandthendestroytheimmunedefense cellsdesignedtoprotectourbodiesandthismakesitattractivetoscientists asawayofsecretlyconveyingreplacementgenesintopatients’ bodies.Othercountriesarealsoexpectedtobeginclinicalgenetherapytrialssoon.
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