职称英语考试卫生类阅读题2018年职称英语考试卫生类阅读题精选KnowlegdecanchangeyourfateandEnglishcanaccomplishyourfuture.以下是小编为大家搜索整理的2018年职称英语考试卫生类阅读题精选，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!RussianandNorwegianscientistshavereportedfindingstoneobjectsandanimalbonesinthefarnorthofEuropeanRussia.Thescientistssaytheobjectsprovidethefirstevidencethatancienthunterslivedintheareamorethan30thousandyearsago.Theysaythisisatleast15thousandyearsearlierthanexpertshadthought.TheRussianandNorwegianteamworkedatacampalongtheUsaRiverandtheArcticCircle.Thescientistssaytheyfoundseveralancientstonetools.Theyalsofound123bonesfromanimalssuchashorses,reindeer(驯鹿)andwolves.Thescientistssaytheirmostimportantdiscoverywasatuskfromanancientelephantcalledamammoth(猛犸).Thehuge,curvedtoothwasmorethanlmeterlong.Thetuskiscoveredwithsmallcuts.Thescientistsbelievehumansmadethemarkswithsharp-edgedstonetools.Thescientistsusedaprocessknownasradiocarbon(放射性碳)datingtomeasuretheageofthetusk.Radiocarbondatingshowsthelevelofaradioactiveformofcarboninasubstance.Thetestsshowedthetuskisabout36thousandyearsold.Thescientistssaytheyarenotsurewhatkindofhumansleftthestoneobjectsandbonesalongtheriver.TheysaidthepeoplewereeitherearlyhumanscalledNeanderthals(穴居人,尼安德特人)ormodernhumans.ModernhumansspreadthroughEuropeandAsia30thousandyearsago.Thescientistssaytheancientpeopleneededahighlevelofsocialdevelopmenttosurviveintheextremelycoldenvironment.Theobjectswerediscoveredabout300kilometersnortheastofanotherareawherescientistssayhumansoncelived.Thatareahasobjectsmorecloselylinkedtomodernhumans.Thoseobjectsarebelievedtobeabout28thousandyearsold.NaturemagazinealsopublishedareportbyJohnGowlettoftheUniversityofLiverpoolinEngland.Hesaidthediscoveryshowstheabilityofearlyhumanstodotheunexpected.Healsosaidthediscoveryshouldrenewdebateabouttheeffectsoftheclimateonthemovementsofearlyhumanpopulation.31.BeforepeoplefoundstoneobjectsandanimalbonesinthenorthofEuropeanRussia,someexpertsthoughthumanbeingslivedinthatareaaboutA.30thousandyearsagoB.20thousandyearsagoC.28thous