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2019年高考英语一轮复习Module5TheConquestoftheUniverseATripAlongtheThreeGorges课时作业提升练外研版Ⅰ.阅读理解 Ifyouthinkthatrunningmarathonswillhelpyoulivealongandhealthylifenewresearchmayeasashock.Accordingtoarecentscientificstudypeoplewhodoaverystrenuousworkoutareaslikelytodieaspeoplewhodonoexerciseatall.ScientistsinDenmarkhavebeenstudyingover1000joggersandnon-joggersfor12years.Thedeathratesfromthesamplegroupindicatethatpeoplewhojogatamoderatepacetwoorthreetimesaweekforlessthantwoandahalfhoursintotalareleastlikelytodie.Thebestspeedtojogatwasfoundtobeabout5milesperhour.Theresearchsuggeststhatpeoplewhojogmorethanthreetimesaweekorathigherspeedsofover7mphdieatthesamerateasnon-joggers.Thescientiststhinkthatthisisbecausestrenuousexercisecausesstructuralchangestotheheartandarteries.Overtimethiscancauseseriousinjuries.PeterSchnohraresearch...。