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Americans Decrease Increasingly, historians are blaming disease...
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ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
AHierarchyofHormones Allofthecellsinaparticularplantstartoutwiththesamecomplementofgenes.Howthencanthesecellsdifferentiateandfromstructuresasdifferentasrootsstemsleavesandfruits?Theansweristhatonlyasmallsubsetofthegenesinaparticularkindofcellareexpressedorturnedonatagiventime.Thisisaccomplishedbyacomplexsystemofchemicalmessengersthatinplantsincludehormonesandotherregulatorymolecules.Fivemajorhormoneshavebeenidentified;auxin生长素abscisicacid脱落酸cytokinin细胞激动素hetylene乙烯andgibberellin赤霉素.Studiesofplantshavenowidentifiedanewclassofregulatorymoleculescalledoligosaccharins. Unliketheoligosaccharinsthefivewell-knownplanthormonesarepleiotropic多向性的ratherthanspecificthatiseachhasmorethanoneeffectonthegrowthanddevelopmentofplants.Thefivehavesomanysimultaneouseffectsthattheyarenotveryusefulinartificiallycontrollingthegrowthofcrops.Auxinforinstancestimulatestherateofcellelongation拉长causesshootstogrowupandrootstogrowdownandinhibitsthegrowthoflateral侧面的shoots.Auxinalsocausestheplanttodevelopavascular维管的systemtofromlateralrootsandtoproduceethylene. Thepleiotropyofthefivewell-studiedplanthormonesissomewhatanalogous类似的tothatofcertainhormonesinanimal.Forexamplehormonesfromthehypothalamus下五脑inthebrainstimulatetheanterior前面的lobeofthepituitaryglandtosynthesizeandreleasemanydifferenthormonesoneofwhichstimulatesthereleaseofhormonesfromtheadrenal肾上腺的cortex皮质|.Thesehormoneshavespecificeffectsontargetorgansalloverthebody.Onehormonestimulatesthethyroid甲状腺的glandforexampleanothertheovarian子房folliclecellsandsoforth.Inotherwordsthereisahierarchy统治集团ofhormones. Suchahierarchymayalsoexistinplants.Oligosaccharinsarefragmentsofthecellwallreleasedbyenzymes酶:differentenzymesreleasedifferentoligosaccharins.Thereareindicationsthatpleiotropicplanthormonesmayactuallyfunctionbyactivatingtheenzymesthatreleasetheseothermorespecificchemicalmessengersfromthecellwall. Thepassagesuggeststhatunlikethepleiotropiohormonesoligosaccharinscouldbeusedeffectivelyto______.
Cancer ThepopularTVvariety-showhostwasgrimbutcalm.Hefacedthecamerasandsaidbluntly:Ihavecancer. MasatakaItsumi’’sdisclosuremaybethelatestsignthattheshameassociatedwithcancerisfinallybreakingdowninacountrywhereunliketheUnitedSatesthetopichastraditionallybeentaboo. Canceristhecountry’’sNo.1killerchainingmorethan230000livesayear.Despitethenumberofpeopleaffectedthesubjecthaslongbeenconcealedinsecrecyandsilence. AsaruleJapanesearereluctanttotellanyoneotherthanfamilyiftheyhavecancer.Anddoctorsoftenlietopatientsaboutacancerdiagnosisfearingtheywouldbedepressedandweakenedbythetruth.Pollsindicatethatmostpeoplewouldprefertobetoldiftheyhavecancer.Buthealthauthoritieshaveestimatedasfewasoneinfivecancerpatientsisgivenatruthfuldiagnosis.Thepatientisveryafraidtohearofhavingcancersomanydoctorsjustdon’ttellsaidonedoctor.Butifwedon’ttellthetruthit’’sbadfortherelationshipbetweendoctorandpatient.SoIthinkthisisbeginningtochange.HesaidhebelievedtheintensepublicinterestintheItsumicasereflectedpent-upcuriosityandconcernaboutthesubject. Thereareothersignsofgreateropennessinconfrontingcancer.Supportgroupsforcancervictimsonceunknownhavesprungup.Theplotofarecentfilmrevolvedaroundamanwithcancer.Anunusuallypowerfultelevisionadvertisementappealingforbone-marrowdonationsfeaturesayoungwomanwhohassincediedofleukemia. Butsecrecyaboutcancerisstillcommon.InJapanseriousillnessisconsideredembarrassing.Peopleworryaboutcausingsufferingandexpensefortheirfamiliesordiscomfortingtheircolleagues.Itsumiinfactbeganhisnewsconferencebyapologizing. Otherfactorscontributetothetabooontalkaboutcancer.Thereisaculturaltendencytowardrestraintondiscussingpersonalmattersandstoicisminfacingproblems.Evenifpatientssensesomethingisverywrongdespiteagooddiagnosismostdonotpresstheirdoctorsorseekasecondopinion.Doctorsaregranteddeeprespectinasocietythatdiscouragesquestioningauthority. Itcanbeinferredfromthepassagethat______.
Cancer ThepopularTVvariety-showhostwasgrimbutcalm.Hefacedthecamerasandsaidbluntly:Ihavecancer. MasatakaItsumi’’sdisclosuremaybethelatestsignthattheshameassociatedwithcancerisfinallybreakingdowninacountrywhereunliketheUnitedSatesthetopichastraditionallybeentaboo. Canceristhecountry’’sNo.1killerchainingmorethan230000livesayear.Despitethenumberofpeopleaffectedthesubjecthaslongbeenconcealedinsecrecyandsilence. AsaruleJapanesearereluctanttotellanyoneotherthanfamilyiftheyhavecancer.Anddoctorsoftenlietopatientsaboutacancerdiagnosisfearingtheywouldbedepressedandweakenedbythetruth.Pollsindicatethatmostpeoplewouldprefertobetoldiftheyhavecancer.Buthealthauthoritieshaveestimatedasfewasoneinfivecancerpatientsisgivenatruthfuldiagnosis.Thepatientisveryafraidtohearofhavingcancersomanydoctorsjustdon’ttellsaidonedoctor.Butifwedon’ttellthetruthit’’sbadfortherelationshipbetweendoctorandpatient.SoIthinkthisisbeginningtochange.HesaidhebelievedtheintensepublicinterestintheItsumicasereflectedpent-upcuriosityandconcernaboutthesubject. Thereareothersignsofgreateropennessinconfrontingcancer.Supportgroupsforcancervictimsonceunknownhavesprungup.Theplotofarecentfilmrevolvedaroundamanwithcancer.Anunusuallypowerfultelevisionadvertisementappealingforbone-marrowdonationsfeaturesayoungwomanwhohassincediedofleukemia. Butsecrecyaboutcancerisstillcommon.InJapanseriousillnessisconsideredembarrassing.Peopleworryaboutcausingsufferingandexpensefortheirfamiliesordiscomfortingtheircolleagues.Itsumiinfactbeganhisnewsconferencebyapologizing. Otherfactorscontributetothetabooontalkaboutcancer.Thereisaculturaltendencytowardrestraintondiscussingpersonalmattersandstoicisminfacingproblems.Evenifpatientssensesomethingisverywrongdespiteagooddiagnosismostdonotpresstheirdoctorsorseekasecondopinion.Doctorsaregranteddeeprespectinasocietythatdiscouragesquestioningauthority. Whendoctorslietopatientsaboutacancerdiagnosistheybelievethat______.
Nurses Thephysiciansinahospitalformthecoreofthemedicalstaff.Buttheycouldnotprovideeffectivemedicalcaretotheirpatientswithoutthehelpofnumerousothermedicalworkers.Fromtheangleofthepatientsthenursingstaffisparticularlyimportant.Nursesareusuallyinclosecontactwithpatientsaslongastheyareinthehospital. Anursedoesnotstudyforasmanyyearsasadoctor.Howevereachmustbeequallytrained.Caringforsickpersonsrequiresagreatdealofpatienceandconcern.Mostnursesworklongdaysandtheyoftenmustworkatoddhoursorduringthenight. Thenursingstaffinahospitalisusuallyquitelargeandvarious.Nursingservicesafterallmustbeprovidedona24-hourbasis.Thereareprofessional专业的nursespracticalnursesnursesaidsandorderlies勤杂工.Thegeneraltermnursereferstoapersontrainedtoofferbedsidecaretosickpersons. Underthesupervision管理oftheheadnursethenursingstaffinahospitalwardmustattendtopatients’’needs.Thisresponsibilitycontinuesaroundtheclockandsonursesmustworkinshifts.Ashiftisaperiodofdutyusuallyeighthoursinlength.Thenursesonthewardrotate轮换theirshifts.Sometaketurnsworkingnightduty;othersworkoddshifts.Allofthemworkoutofacentralareaonthewardcalledthenursesstation. Anursemustalwaysbeonherguard.Shecanneveraffordtobecareless.Thisistrueinallnursingsituationsbutitisespeciallytrueintheintensivecareunit.Patientsunderintensivecarearecriticallyillandtheymustbemonitoredatalltimes.Thenurseswhodointensivecaredutyhaveoneofthemostdemandingjobsinthehospital. Nursingservicesinahospitalaregenerallyavailablearoundtheclock.
AHierarchyofHormones Allofthecellsinaparticularplantstartoutwiththesamecomplementofgenes.Howthencanthesecellsdifferentiateandfromstructuresasdifferentasrootsstemsleavesandfruits?Theansweristhatonlyasmallsubsetofthegenesinaparticularkindofcellareexpressedorturnedonatagiventime.Thisisaccomplishedbyacomplexsystemofchemicalmessengersthatinplantsincludehormonesandotherregulatorymolecules.Fivemajorhormoneshavebeenidentified;auxin生长素abscisicacid脱落酸cytokinin细胞激动素hetylene乙烯andgibberellin赤霉素.Studiesofplantshavenowidentifiedanewclassofregulatorymoleculescalledoligosaccharins. Unliketheoligosaccharinsthefivewell-knownplanthormonesarepleiotropic多向性的ratherthanspecificthatiseachhasmorethanoneeffectonthegrowthanddevelopmentofplants.Thefivehavesomanysimultaneouseffectsthattheyarenotveryusefulinartificiallycontrollingthegrowthofcrops.Auxinforinstancestimulatestherateofcellelongation拉长causesshootstogrowupandrootstogrowdownandinhibitsthegrowthoflateral侧面的shoots.Auxinalsocausestheplanttodevelopavascular维管的systemtofromlateralrootsandtoproduceethylene. Thepleiotropyofthefivewell-studiedplanthormonesissomewhatanalogous类似的tothatofcertainhormonesinanimal.Forexamplehormonesfromthehypothalamus下五脑inthebrainstimulatetheanterior前面的lobeofthepituitaryglandtosynthesizeandreleasemanydifferenthormonesoneofwhichstimulatesthereleaseofhormonesfromtheadrenal肾上腺的cortex皮质|.Thesehormoneshavespecificeffectsontargetorgansalloverthebody.Onehormonestimulatesthethyroid甲状腺的glandforexampleanothertheovarian子房folliclecellsandsoforth.Inotherwordsthereisahierarchy统治集团ofhormones. Suchahierarchymayalsoexistinplants.Oligosaccharinsarefragmentsofthecellwallreleasedbyenzymes酶:differentenzymesreleasedifferentoligosaccharins.Thereareindicationsthatpleiotropicplanthormonesmayactuallyfunctionbyactivatingtheenzymesthatreleasetheseothermorespecificchemicalmessengersfromthecellwall. Theauthormentionsspecificeffectsthatauxinhasonplantdevelopmentinordertoillustratethe______
{{*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 ?? TakingaNapduringtheDay? ?MedicalexpertssaymostAmericansdonotget{{U}}?51?{{/U}} sleep.TheysaymoreAmericansneedtorestforashortperiodinthemiddleof theday.Theyareadvisingpeopletosleeplightlybefore{{U}}?52 ?{{/U}}withotheractivities.??Onestudyearlierthisyear foundthatpersonswhosleepforafewminutesduringthedaywereless {{U}}?53?{{/U}}todieofdisease.Thestudyfollowedmorethan2300 Greekadults{{U}}?54?{{/U}}aboutsixyears.Adultwhorestedforhalf anhour{{U}}?55?{{/U}}threetimesaweekhada37percentlowerrisk ofdyingfromheartdiseasethanthosewhodidnotnap.??Study organizerssaidthestrongestevidencewasinworkingmen.Theysaidnapsmight improve{{U}}?56?{{/U}}bymitigatingtensioncausedbywork.? ?SomeEuropeanandLatinAmericanbusinesseshavesupportedthe {{U}}?57?{{/U}}ofnappingformanyyears.Theyurgepeopleto {{U}}?58?{{/U}}workgohomeandhaveanapbeforereturning.Inthe UnitedStatessomecompaniesletworkersrestbrieflyintheiroffices.They believethisreduces{{U}}?59?{{/U}}andaccidentsand{{U}}?60 ?{{/U}}increasestheamountofworkapersoncando.??Sleep expertssayitislikelythatpeoplemakemoremistakesatworkthanatother times.Theysaypeopleshouldnotcarryoutimportantdutieswhentheyfeel {{U}}?61?{{/U}}.Andtheysaythebestthingtodoistotakeanap. Abouttwentyminutesofrestis{{U}}?62?{{/U}}youneed.Expertssay thisprovidesextraenergyandcanincreaseyoureffectiveness{{U}}?63 ?{{/U}}theendoftheday.Butexpertswarnthatanap{{U}}?64 ?{{/U}}lastnomorethantwentytothirtyminutes.Alongernapwillputthe bodyintodeepsleepandwakingupwillbe{{U}}?65 ?{{/U}}.
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
MylittledaughterkeptpullingmyhairandIwasreallyannoyed.
{{*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 ?? TakingaNapduringtheDay? ?MedicalexpertssaymostAmericansdonotget{{U}}?51?{{/U}} sleep.TheysaymoreAmericansneedtorestforashortperiodinthemiddleof theday.Theyareadvisingpeopletosleeplightlybefore{{U}}?52 ?{{/U}}withotheractivities.??Onestudyearlierthisyear foundthatpersonswhosleepforafewminutesduringthedaywereless {{U}}?53?{{/U}}todieofdisease.Thestudyfollowedmorethan2300 Greekadults{{U}}?54?{{/U}}aboutsixyears.Adultwhorestedforhalf anhour{{U}}?55?{{/U}}threetimesaweekhada37percentlowerrisk ofdyingfromheartdiseasethanthosewhodidnotnap.??Study organizerssaidthestrongestevidencewasinworkingmen.Theysaidnapsmight improve{{U}}?56?{{/U}}bymitigatingtensioncausedbywork.? ?SomeEuropeanandLatinAmericanbusinesseshavesupportedthe {{U}}?57?{{/U}}ofnappingformanyyears.Theyurgepeopleto {{U}}?58?{{/U}}workgohomeandhaveanapbeforereturning.Inthe UnitedStatessomecompaniesletworkersrestbrieflyintheiroffices.They believethisreduces{{U}}?59?{{/U}}andaccidentsand{{U}}?60 ?{{/U}}increasestheamountofworkapersoncando.??Sleep expertssayitislikelythatpeoplemakemoremistakesatworkthanatother times.Theysaypeopleshouldnotcarryoutimportantdutieswhentheyfeel {{U}}?61?{{/U}}.Andtheysaythebestthingtodoistotakeanap. Abouttwentyminutesofrestis{{U}}?62?{{/U}}youneed.Expertssay thisprovidesextraenergyandcanincreaseyoureffectiveness{{U}}?63 ?{{/U}}theendoftheday.Butexpertswarnthatanap{{U}}?64 ?{{/U}}lastnomorethantwentytothirtyminutes.Alongernapwillputthe bodyintodeepsleepandwakingupwillbe{{U}}?65 ?{{/U}}.
AHierarchyofHormones Allofthecellsinaparticularplantstartoutwiththesamecomplementofgenes.Howthencanthesecellsdifferentiateandfromstructuresasdifferentasrootsstemsleavesandfruits?Theansweristhatonlyasmallsubsetofthegenesinaparticularkindofcellareexpressedorturnedonatagiventime.Thisisaccomplishedbyacomplexsystemofchemicalmessengersthatinplantsincludehormonesandotherregulatorymolecules.Fivemajorhormoneshavebeenidentified;auxin生长素abscisicacid脱落酸cytokinin细胞激动素hetylene乙烯andgibberellin赤霉素.Studiesofplantshavenowidentifiedanewclassofregulatorymoleculescalledoligosaccharins. Unliketheoligosaccharinsthefivewell-knownplanthormonesarepleiotropic多向性的ratherthanspecificthatiseachhasmorethanoneeffectonthegrowthanddevelopmentofplants.Thefivehavesomanysimultaneouseffectsthattheyarenotveryusefulinartificiallycontrollingthegrowthofcrops.Auxinforinstancestimulatestherateofcellelongation拉长causesshootstogrowupandrootstogrowdownandinhibitsthegrowthoflateral侧面的shoots.Auxinalsocausestheplanttodevelopavascular维管的systemtofromlateralrootsandtoproduceethylene. Thepleiotropyofthefivewell-studiedplanthormonesissomewhatanalogous类似的tothatofcertainhormonesinanimal.Forexamplehormonesfromthehypothalamus下五脑inthebrainstimulatetheanterior前面的lobeofthepituitaryglandtosynthesizeandreleasemanydifferenthormonesoneofwhichstimulatesthereleaseofhormonesfromtheadrenal肾上腺的cortex皮质|.Thesehormoneshavespecificeffectsontargetorgansalloverthebody.Onehormonestimulatesthethyroid甲状腺的glandforexampleanothertheovarian子房folliclecellsandsoforth.Inotherwordsthereisahierarchy统治集团ofhormones. Suchahierarchymayalsoexistinplants.Oligosaccharinsarefragmentsofthecellwallreleasedbyenzymes酶:differentenzymesreleasedifferentoligosaccharins.Thereareindicationsthatpleiotropicplanthormonesmayactuallyfunctionbyactivatingtheenzymesthatreleasetheseothermorespecificchemicalmessengersfromthecellwall. Accordingtothepassagethefivewell-knownplanthormonesarenotusefulincontrollingthegrowthofcropsbecause______.
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
MemoryClass StanFieldknowswhatagecandotoaperson’’smemoryandhe’’snottakinganychanceswithhis.Hechooseshisfoodcarefullyandgetsplentyofexercise.Healsoavoidsstresscocacolaandcigarettesmoke. What’’smoreatbreakfasteachmorningthe69-year-oldchemicalengineerswallowsaplatefulofpillsinthehopeofboostinghisbrainpower. MichelleAmoveislessthanhalfField’’sagebutnolessconcernedabouthermemory.Whileworkingroundtheclocktofinishadegreeinfilmstudiesthe33-year-oldNewYorkerhadthealarmingsensationthatshehadstoppedretaininganything.Icouldn’’tevenremembernamesshesays.IthoughtOhnoI’’mover30.It’’salldownhillfromhere.BesidesloadinguponsupplementsAmovesignedupforamemoryenhancingcourseatNewYork’’sMountSianiMedicalCenter.Andwhenshegotthereshefoundherselfsurroundedbypeoplewhowerejustasworriedasshewas. FormillionsofAmericansandespeciallyforbabyboomers生育高峰出生的人thedemandsoftheInformationAgeconflictwithasenseofdecliningphysicalpower.Whenboomerswereintheir30sand40stheylaunchedthefitnessboomsaysCynthiaGreenthepsychologistwhoteachesMountSinai’’smemoryclass.Nowwehavethemental-fitnessboomMemoryistheboomers’’newlife-crisisissue.Andofcourseamajormarketingopportunity.ThedemandforbooksandseminarshasneverbeengreatersaysJackLannomalongtimememorytrainerwhoseweeklyTVshowMindUnlimitedgoesoutto33millionhomesontheChristianNetwork.Anxiousconsumersarerushingtobuydo-it-yourselfprogramsandsupplementmakersaretryingtoselleverythingbutsawdust木屑asabrainbooster. Butbeforeyougetoutyourcheckbookafewquestionsareinorder.Doeseverydayforgetfulnesssignaldecliningbrainfunction?Ismegamemory超级记忆arealisticgoalfornormalpeople?Andifyoucouldhaveaperfectmemorywouldyoureallywantit?Untilrecentlynoonecouldaddressthoseissueswithmuchauthoritybutourknowledgeofmemoryisexploding.Newtechniquesarerevealinghowdifferentpartsofthebraininteracttopreservemeaningfulexperiences.Biologistsaretryingtounderstandtheunderlying潜在的chemicalprocessesandneuroscientists神经系统科学家arediscoveringhowagestressandotherfactorscandisruptthem.Nooneisclosetofindingthesecrettoperfectrecallbutasyou’’llseethatmaybejustaswell. Whatisthemeaningofworkingroundtheclock?
{{*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 ?? TakingaNapduringtheDay? ?MedicalexpertssaymostAmericansdonotget{{U}}?51?{{/U}} sleep.TheysaymoreAmericansneedtorestforashortperiodinthemiddleof theday.Theyareadvisingpeopletosleeplightlybefore{{U}}?52 ?{{/U}}withotheractivities.??Onestudyearlierthisyear foundthatpersonswhosleepforafewminutesduringthedaywereless {{U}}?53?{{/U}}todieofdisease.Thestudyfollowedmorethan2300 Greekadults{{U}}?54?{{/U}}aboutsixyears.Adultwhorestedforhalf anhour{{U}}?55?{{/U}}threetimesaweekhada37percentlowerrisk ofdyingfromheartdiseasethanthosewhodidnotnap.??Study organizerssaidthestrongestevidencewasinworkingmen.Theysaidnapsmight improve{{U}}?56?{{/U}}bymitigatingtensioncausedbywork.? ?SomeEuropeanandLatinAmericanbusinesseshavesupportedthe {{U}}?57?{{/U}}ofnappingformanyyears.Theyurgepeopleto {{U}}?58?{{/U}}workgohomeandhaveanapbeforereturning.Inthe UnitedStatessomecompaniesletworkersrestbrieflyintheiroffices.They believethisreduces{{U}}?59?{{/U}}andaccidentsand{{U}}?60 ?{{/U}}increasestheamountofworkapersoncando.??Sleep expertssayitislikelythatpeoplemakemoremistakesatworkthanatother times.Theysaypeopleshouldnotcarryoutimportantdutieswhentheyfeel {{U}}?61?{{/U}}.Andtheysaythebestthingtodoistotakeanap. Abouttwentyminutesofrestis{{U}}?62?{{/U}}youneed.Expertssay thisprovidesextraenergyandcanincreaseyoureffectiveness{{U}}?63 ?{{/U}}theendoftheday.Butexpertswarnthatanap{{U}}?64 ?{{/U}}lastnomorethantwentytothirtyminutes.Alongernapwillputthe bodyintodeepsleepandwakingupwillbe{{U}}?65 ?{{/U}}.
{{*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 ?? TakingaNapduringtheDay? ?MedicalexpertssaymostAmericansdonotget{{U}}?51?{{/U}} sleep.TheysaymoreAmericansneedtorestforashortperiodinthemiddleof theday.Theyareadvisingpeopletosleeplightlybefore{{U}}?52 ?{{/U}}withotheractivities.??Onestudyearlierthisyear foundthatpersonswhosleepforafewminutesduringthedaywereless {{U}}?53?{{/U}}todieofdisease.Thestudyfollowedmorethan2300 Greekadults{{U}}?54?{{/U}}aboutsixyears.Adultwhorestedforhalf anhour{{U}}?55?{{/U}}threetimesaweekhada37percentlowerrisk ofdyingfromheartdiseasethanthosewhodidnotnap.??Study organizerssaidthestrongestevidencewasinworkingmen.Theysaidnapsmight improve{{U}}?56?{{/U}}bymitigatingtensioncausedbywork.? ?SomeEuropeanandLatinAmericanbusinesseshavesupportedthe {{U}}?57?{{/U}}ofnappingformanyyears.Theyurgepeopleto {{U}}?58?{{/U}}workgohomeandhaveanapbeforereturning.Inthe UnitedStatessomecompaniesletworkersrestbrieflyintheiroffices.They believethisreduces{{U}}?59?{{/U}}andaccidentsand{{U}}?60 ?{{/U}}increasestheamountofworkapersoncando.??Sleep expertssayitislikelythatpeoplemakemoremistakesatworkthanatother times.Theysaypeopleshouldnotcarryoutimportantdutieswhentheyfeel {{U}}?61?{{/U}}.Andtheysaythebestthingtodoistotakeanap. Abouttwentyminutesofrestis{{U}}?62?{{/U}}youneed.Expertssay thisprovidesextraenergyandcanincreaseyoureffectiveness{{U}}?63 ?{{/U}}theendoftheday.Butexpertswarnthatanap{{U}}?64 ?{{/U}}lastnomorethantwentytothirtyminutes.Alongernapwillputthe bodyintodeepsleepandwakingupwillbe{{U}}?65 ?{{/U}}.
MemoryClass StanFieldknowswhatagecandotoaperson’’smemoryandhe’’snottakinganychanceswithhis.Hechooseshisfoodcarefullyandgetsplentyofexercise.Healsoavoidsstresscocacolaandcigarettesmoke. What’’smoreatbreakfasteachmorningthe69-year-oldchemicalengineerswallowsaplatefulofpillsinthehopeofboostinghisbrainpower. MichelleAmoveislessthanhalfField’’sagebutnolessconcernedabouthermemory.Whileworkingroundtheclocktofinishadegreeinfilmstudiesthe33-year-oldNewYorkerhadthealarmingsensationthatshehadstoppedretaininganything.Icouldn’’tevenremembernamesshesays.IthoughtOhnoI’’mover30.It’’salldownhillfromhere.BesidesloadinguponsupplementsAmovesignedupforamemoryenhancingcourseatNewYork’’sMountSianiMedicalCenter.Andwhenshegotthereshefoundherselfsurroundedbypeoplewhowerejustasworriedasshewas. FormillionsofAmericansandespeciallyforbabyboomers生育高峰出生的人thedemandsoftheInformationAgeconflictwithasenseofdecliningphysicalpower.Whenboomerswereintheir30sand40stheylaunchedthefitnessboomsaysCynthiaGreenthepsychologistwhoteachesMountSinai’’smemoryclass.Nowwehavethemental-fitnessboomMemoryistheboomers’’newlife-crisisissue.Andofcourseamajormarketingopportunity.ThedemandforbooksandseminarshasneverbeengreatersaysJackLannomalongtimememorytrainerwhoseweeklyTVshowMindUnlimitedgoesoutto33millionhomesontheChristianNetwork.Anxiousconsumersarerushingtobuydo-it-yourselfprogramsandsupplementmakersaretryingtoselleverythingbutsawdust木屑asabrainbooster. Butbeforeyougetoutyourcheckbookafewquestionsareinorder.Doeseverydayforgetfulnesssignaldecliningbrainfunction?Ismegamemory超级记忆arealisticgoalfornormalpeople?Andifyoucouldhaveaperfectmemorywouldyoureallywantit?Untilrecentlynoonecouldaddressthoseissueswithmuchauthoritybutourknowledgeofmemoryisexploding.Newtechniquesarerevealinghowdifferentpartsofthebraininteracttopreservemeaningfulexperiences.Biologistsaretryingtounderstandtheunderlying潜在的chemicalprocessesandneuroscientists神经系统科学家arediscoveringhowagestressandotherfactorscandisruptthem.Nooneisclosetofindingthesecrettoperfectrecallbutasyou’’llseethatmaybejustaswell. WhichofthefollowingdoesNOTindicatepeoplesenhancedawarenessoftheimportanceofmemory?
HeappearedtobeabsorbedinthesportsnewsonTV.
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
Thelandcrabaforest-floorscavengernativetotropicalAmericamigratestothewatertobreed.
Hisplanshouldsucceedforitseemsquitefeasible.
Grandfatherwouldstayuptillsmallhoursreading.
Nurses Thephysiciansinahospitalformthecoreofthemedicalstaff.Buttheycouldnotprovideeffectivemedicalcaretotheirpatientswithoutthehelpofnumerousothermedicalworkers.Fromtheangleofthepatientsthenursingstaffisparticularlyimportant.Nursesareusuallyinclosecontactwithpatientsaslongastheyareinthehospital. Anursedoesnotstudyforasmanyyearsasadoctor.Howevereachmustbeequallytrained.Caringforsickpersonsrequiresagreatdealofpatienceandconcern.Mostnursesworklongdaysandtheyoftenmustworkatoddhoursorduringthenight. Thenursingstaffinahospitalisusuallyquitelargeandvarious.Nursingservicesafterallmustbeprovidedona24-hourbasis.Thereareprofessional专业的nursespracticalnursesnursesaidsandorderlies勤杂工.Thegeneraltermnursereferstoapersontrainedtoofferbedsidecaretosickpersons. Underthesupervision管理oftheheadnursethenursingstaffinahospitalwardmustattendtopatients’’needs.Thisresponsibilitycontinuesaroundtheclockandsonursesmustworkinshifts.Ashiftisaperiodofdutyusuallyeighthoursinlength.Thenursesonthewardrotate轮换theirshifts.Sometaketurnsworkingnightduty;othersworkoddshifts.Allofthemworkoutofacentralareaonthewardcalledthenursesstation. Anursemustalwaysbeonherguard.Shecanneveraffordtobecareless.Thisistrueinallnursingsituationsbutitisespeciallytrueintheintensivecareunit.Patientsunderintensivecarearecriticallyillandtheymustbemonitoredatalltimes.Thenurseswhodointensivecaredutyhaveoneofthemostdemandingjobsinthehospital. Thephysiciansinahospitalarelessimportantthanthenursingstaff.
Inviolinmakingthechoiceofthewoodiscrucial.
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
Hisnewgirlfriendomittedtotellhimthatshewasmarried.
{{*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 ?? TakingaNapduringtheDay? ?MedicalexpertssaymostAmericansdonotget{{U}}?51?{{/U}} sleep.TheysaymoreAmericansneedtorestforashortperiodinthemiddleof theday.Theyareadvisingpeopletosleeplightlybefore{{U}}?52 ?{{/U}}withotheractivities.??Onestudyearlierthisyear foundthatpersonswhosleepforafewminutesduringthedaywereless {{U}}?53?{{/U}}todieofdisease.Thestudyfollowedmorethan2300 Greekadults{{U}}?54?{{/U}}aboutsixyears.Adultwhorestedforhalf anhour{{U}}?55?{{/U}}threetimesaweekhada37percentlowerrisk ofdyingfromheartdiseasethanthosewhodidnotnap.??Study organizerssaidthestrongestevidencewasinworkingmen.Theysaidnapsmight improve{{U}}?56?{{/U}}bymitigatingtensioncausedbywork.? ?SomeEuropeanandLatinAmericanbusinesseshavesupportedthe {{U}}?57?{{/U}}ofnappingformanyyears.Theyurgepeopleto {{U}}?58?{{/U}}workgohomeandhaveanapbeforereturning.Inthe UnitedStatessomecompaniesletworkersrestbrieflyintheiroffices.They believethisreduces{{U}}?59?{{/U}}andaccidentsand{{U}}?60 ?{{/U}}increasestheamountofworkapersoncando.??Sleep expertssayitislikelythatpeoplemakemoremistakesatworkthanatother times.Theysaypeopleshouldnotcarryoutimportantdutieswhentheyfeel {{U}}?61?{{/U}}.Andtheysaythebestthingtodoistotakeanap. Abouttwentyminutesofrestis{{U}}?62?{{/U}}youneed.Expertssay thisprovidesextraenergyandcanincreaseyoureffectiveness{{U}}?63 ?{{/U}}theendoftheday.Butexpertswarnthatanap{{U}}?64 ?{{/U}}lastnomorethantwentytothirtyminutes.Alongernapwillputthe bodyintodeepsleepandwakingupwillbe{{U}}?65 ?{{/U}}.
ProblemsthatManufacturersFace Manufacturerswhowishtoexporttheirgoodstoothercountries【51】manypracticalproblems. Firstlythereisthequestionofevaluatingthemarketand【52】wheretheproduct【53】well.This【54】examiningrivalproductstosee【55】thesealreadyfillthedemandornotandconsideringiftheproposedsellingpricewillbecompetitive.【56】istofindsomeoneinthechosenmarket【57】willbuytheproduct.Thebuyercouldbeawholesalerwhowill【58】selltheproducttoshopsandstoresorsomeonewitharetailoutletof【59】own.Finallythere’’s【60】wholequestionofarrangingthedetailsofthedealsuchasfinancetransportationstorage.【61】amanufacturerknowstheexportmarketverywellindeedthebestanswertoalltheseproblemsisundoubtedlytofindagoodagentwhocanmakethewholeprojectviable.Anagentwillprovideinformationintroductionsandcontactsandinreturnheorshewillgetan【62】percentageformthemanufacturer. WhenPaulOsmantheSalesManagerofJayalMotorswhich【63】mopedsvisitedacityinanattempttobreakintoanewmarketfindinganagentwashisfirstjob.HewasfortunatetobeintroducedtoAdamFortesqueawellestablishedagentwhois【64】impressedbytheJayalmopedstoputhisassistantEveSorrellontothejobofhelpingPaulinhisproposedexpansionintotheexportmarket. 【65】thisattemptbringsitsownproblemsandPaulhasrealizedthatJayalMotorswillhavetoadaptquicklyifitistobecomeanexpandinginternationalcompany.
Nurses Thephysiciansinahospitalformthecoreofthemedicalstaff.Buttheycouldnotprovideeffectivemedicalcaretotheirpatientswithoutthehelpofnumerousothermedicalworkers.Fromtheangleofthepatientsthenursingstaffisparticularlyimportant.Nursesareusuallyinclosecontactwithpatientsaslongastheyareinthehospital. Anursedoesnotstudyforasmanyyearsasadoctor.Howevereachmustbeequallytrained.Caringforsickpersonsrequiresagreatdealofpatienceandconcern.Mostnursesworklongdaysandtheyoftenmustworkatoddhoursorduringthenight. Thenursingstaffinahospitalisusuallyquitelargeandvarious.Nursingservicesafterallmustbeprovidedona24-hourbasis.Thereareprofessional专业的nursespracticalnursesnursesaidsandorderlies勤杂工.Thegeneraltermnursereferstoapersontrainedtoofferbedsidecaretosickpersons. Underthesupervision管理oftheheadnursethenursingstaffinahospitalwardmustattendtopatients’’needs.Thisresponsibilitycontinuesaroundtheclockandsonursesmustworkinshifts.Ashiftisaperiodofdutyusuallyeighthoursinlength.Thenursesonthewardrotate轮换theirshifts.Sometaketurnsworkingnightduty;othersworkoddshifts.Allofthemworkoutofacentralareaonthewardcalledthenursesstation. Anursemustalwaysbeonherguard.Shecanneveraffordtobecareless.Thisistrueinallnursingsituationsbutitisespeciallytrueintheintensivecareunit.Patientsunderintensivecarearecriticallyillandtheymustbemonitoredatalltimes.Thenurseswhodointensivecaredutyhaveoneofthemostdemandingjobsinthehospital. Nurseswhoworkintheintensivecareunitinahospitalarebettertrainedthanothernurses.
{{*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 ?? TakingaNapduringtheDay? ?MedicalexpertssaymostAmericansdonotget{{U}}?51?{{/U}} sleep.TheysaymoreAmericansneedtorestforashortperiodinthemiddleof theday.Theyareadvisingpeopletosleeplightlybefore{{U}}?52 ?{{/U}}withotheractivities.??Onestudyearlierthisyear foundthatpersonswhosleepforafewminutesduringthedaywereless {{U}}?53?{{/U}}todieofdisease.Thestudyfollowedmorethan2300 Greekadults{{U}}?54?{{/U}}aboutsixyears.Adultwhorestedforhalf anhour{{U}}?55?{{/U}}threetimesaweekhada37percentlowerrisk ofdyingfromheartdiseasethanthosewhodidnotnap.??Study organizerssaidthestrongestevidencewasinworkingmen.Theysaidnapsmight improve{{U}}?56?{{/U}}bymitigatingtensioncausedbywork.? ?SomeEuropeanandLatinAmericanbusinesseshavesupportedthe {{U}}?57?{{/U}}ofnappingformanyyears.Theyurgepeopleto {{U}}?58?{{/U}}workgohomeandhaveanapbeforereturning.Inthe UnitedStatessomecompaniesletworkersrestbrieflyintheiroffices.They believethisreduces{{U}}?59?{{/U}}andaccidentsand{{U}}?60 ?{{/U}}increasestheamountofworkapersoncando.??Sleep expertssayitislikelythatpeoplemakemoremistakesatworkthanatother times.Theysaypeopleshouldnotcarryoutimportantdutieswhentheyfeel {{U}}?61?{{/U}}.Andtheysaythebestthingtodoistotakeanap. Abouttwentyminutesofrestis{{U}}?62?{{/U}}youneed.Expertssay thisprovidesextraenergyandcanincreaseyoureffectiveness{{U}}?63 ?{{/U}}theendoftheday.Butexpertswarnthatanap{{U}}?64 ?{{/U}}lastnomorethantwentytothirtyminutes.Alongernapwillputthe bodyintodeepsleepandwakingupwillbe{{U}}?65 ?{{/U}}.
Nurses Thephysiciansinahospitalformthecoreofthemedicalstaff.Buttheycouldnotprovideeffectivemedicalcaretotheirpatientswithoutthehelpofnumerousothermedicalworkers.Fromtheangleofthepatientsthenursingstaffisparticularlyimportant.Nursesareusuallyinclosecontactwithpatientsaslongastheyareinthehospital. Anursedoesnotstudyforasmanyyearsasadoctor.Howevereachmustbeequallytrained.Caringforsickpersonsrequiresagreatdealofpatienceandconcern.Mostnursesworklongdaysandtheyoftenmustworkatoddhoursorduringthenight. Thenursingstaffinahospitalisusuallyquitelargeandvarious.Nursingservicesafterallmustbeprovidedona24-hourbasis.Thereareprofessional专业的nursespracticalnursesnursesaidsandorderlies勤杂工.Thegeneraltermnursereferstoapersontrainedtoofferbedsidecaretosickpersons. Underthesupervision管理oftheheadnursethenursingstaffinahospitalwardmustattendtopatients’’needs.Thisresponsibilitycontinuesaroundtheclockandsonursesmustworkinshifts.Ashiftisaperiodofdutyusuallyeighthoursinlength.Thenursesonthewardrotate轮换theirshifts.Sometaketurnsworkingnightduty;othersworkoddshifts.Allofthemworkoutofacentralareaonthewardcalledthenursesstation. Anursemustalwaysbeonherguard.Shecanneveraffordtobecareless.Thisistrueinallnursingsituationsbutitisespeciallytrueintheintensivecareunit.Patientsunderintensivecarearecriticallyillandtheymustbemonitoredatalltimes.Thenurseswhodointensivecaredutyhaveoneofthemostdemandingjobsinthehospital. Anurseisnotqualifiedifshedoesnothavepatienceandshowconcernforherpatients.
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