VOA慢速英语Sciencein the News科学报道 听力最近更新

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1、VOA慢速英语《ScienceintheNews科学报道》听力最近更新2１、EconomicConditionsRaisingStressLevelsinWorkers(10-10-12)2２、InStudy,BVitaminsLessenBrainShrinkageinSomeOlderPatients(10-10-5)7３、AthletesWarnedAboutDangersofHeadInjuries(10-9-28)12４、EvergladesNationalPark–OneoftheWorld’sGreat

2、BiologicalWonders(10-9-21)17５、VitaminsareImportanttoGoodHealth(10-9-14)22６.WhatPeopleWithAsthmaCanDotoKeepItUnderControl(10-9-7)27７、OsteoporosisIncreasesDangerofBrokenBones(10-8-31)33８、SevereOceanStorms:TheScienceofNature'sPower(10-8-24)38９、LearningFirstAid:Wha

3、ttoDoUntilMedicalHelpArrives(10-8-17)43１０、HumanActivitiesThreatenCoralReefs(10-8-10)48VOA慢速英语《ScienceintheNews科学报道》听力最近更新１、EconomicConditionsRaisingStressLevelsinWorkers(10-10-12)ByGeorgeGrowandJuneSimms2010-10-11StressincreasesduringdifficulteconomictimesBOBDO

4、UGHTY:ThisisSCIENCEINTHENEWSinVOASpecialEnglish.I'mBobDoughty.BARBARAKLEIN:And,I'mBarbaraKlein.Today,wewilltellaboutstressanditseffectsonhumanhealth.Stressisaconditionresultingfrommentaloremotionaltension.Itishowyourbodyreactstophysical,chemicalandotherinfluenc

5、es.(MUSIC)BOBDOUGHTY:Stressaffectseverybody,everyday.Thereisnowaytoavoidit.OneofthefirstpeopletostudytheconditionwasHansSelyeofCanada.Hesaidtheonlywaytoescapestressisdeath.ProfessorSelyefoundtherearetwokindsofstress.Hesaidonekindisgoodforus.Hecalledthisstress,e

6、ustress.Thistypeofstressislinkedtofun,explorationorexcitement.Eustressisthestressyouexperiencefromridingarollercoasterormeetingagoal.Itcankeepourbodiesandmindsstrong.Itgivesusthepushweneedtodealwithanurgentsituation.BARBARAKLEIN:Negativeorbadstressisoftencalled

7、distress.Toomuchofitcanbeharmful.Someoftheleadingcausesofstressincludethedeathofalovedone,endingamarriage,sicknessandfinancialproblems.ManyAmericanssayaleadingcauseoftheirstressisthecurrenteconomy.Highunemploymentratesandjobcutshavecausedconcernsaboutthefuture.

8、Lastmonth,onestudyfoundthatsixty-twopercentofAmericansbelieveeconomicconditionsaregettingworse.Forty-sevenpercentofthoseaskeddescribedcurrenteconomicconditionsaspoor.Ayearea