学科网(北京)股份有限公司 goodisgoodforthedoer.Actsofkindnesscanimprovehealth , helpa personreachgoalsandevenaddyearstoaperson 􀆳 slife. Thefirststudytoshowtheconnectionbetweendoinggoodandliving alonglifewasastudyonaging.Beginningin1956 , scientistsstudied agroupofmarriedmothersfor30years.Theythoughtthewomenwiththe mostchildrenwoulddiefirst.Butthenumberofchildrenawomanhad didnotmatter.Wealthdidnotmatter.Educationdidnotmatter.What didmatterwaswhethertheyvolunteered.Womenthatvolunteeredhad fewerdiseasesduringtheirlife. Manyotherstudieshavefoundthesamepositiveeffects.Helping otherpeopleimproveslong termhealth.Thegainsarethesameformen , women , oldpeopleandtheyoung.Thosewhovolunteeredhadfewerserious diseasesthanthosewhodidnotvolunteer.Thisincludeddiseasessuch asheartattack , cancerandstroke. Scientistsareresearchingmanypossiblecauses.Onepossiblecause isanincreaseinantibodies ( 抗体 ), whichhelpfightagainstdisease. Onestudyshowedthebodyproducesmoreantibodiesafteranactof kindness.Thisincreaseinantibodiescanlastnearlyanhourafterone actofkindnessisfinished. Anotheroneisanincreaseinachemicalthatfightstheeffectsof stressfromlife.Scientistshavefoundalinkbetweenbeingkindto peopleandanincreaseinthechemicaloxytocin.Oxytocinisachemical producedinthebrain.It reducesmanyoftheharmfulchemicalsthebody producesunderstress. 【语篇解读】文章主要讲述了科学家发现不仅仁慈对给予食物的人有影响而 且行善对行善的人也是有益的。换句话来说,帮助别人就是帮助自己。 4.Whatdidthestudyinparagraph2show ? A.Diseasesagepeoplefast. B.Doinggoodisgoodforone 􀆳 shealth. C.Womenwithmorekidsdieearlier. D.Alongmarriageleadstoalonglife. 答案与解析 B 细节理解题。根据第二段中的 Womenthatvolunteeredhad fewerdiseasesduringtheirlife. 可知,做志愿者的女性一生中患的疾病次数 较少。由此可见,行善有益健康,故选 B 5.Whatcanweinferaboutantibodiesfromparagraph4 ? A.Moreantibodiesmaynotbegood. B.Theyhelppeoplereducepressure. C.Theyincreasewithone 􀆳 skindacts. D.Themoreantibodies , themoreoxytocin. 答案与解析 C 细节理解题。根据第四段内容可知,科学家们正在研究许多可能的 原因。一个可能的原因是抗体( antibodies )的增加,这有助于对抗疾病。一项研究表