专题限时训练(三十八)[科普知识型阅读理解(二)](限时：25分钟)(一)Wecanstayyoungforever.ThatisthemessageDr.ShenZiyinwantstogivetheworld.AndtheChinesedoctorclaimsthathehasfoundananswertotheproblemsofaging.Hissolutionisaherbalmedicinetoslowtheprocessofaging.Dr.ShenZiyinhasbeentrainedinWesternmedicine.AtthesametimehestudiedtraditionalChinesemedicine.And,hehasbeenworkingforthepastfortyyearstoputtogetherthebestofbothandfindacureforaging.HehastakenahintfromtheancientChinesemedicinesystemcalled“shen”．AccordingtoShen,itisthekidney(肾脏)whichadjuststhefunctioningofthebodyaswellasitsagingprocess.Itisresponsibleforthelevelofactivitythatthehumanbodiesgothrough.StudiesconductedbyDr.Shenshowthatherbalmedicinebasedontheshensystemslowtheagingprocess,saysareportinTheTelegraphnewspaper.Wenoticethatwhenpeoplegrowold,theyhavereducedstrength,lossofhair,backache,weaknessingeneral,andwrinkles,amongothers.Thishappensbecausewhenpeoplegrowold,theirbodiesproduceTcells.TheseTcellscontainaparticularsubstancecalledFas.Fasmakesthecellsinthebodydestructthemselves.SotheonlywaytoslowdownagingistoslowtheproductionofTcellsinthebody.Thiscanhappenifpeopleeatlowcaloriefood.ThenthebodyisnotactiveenoughtoproduceextraTcells.But,isgoinghungryallthetimeagoodpricetopayforstayingyoung?ThisiswhereDr.Shen'sherbalmedicinecomesin.Buthoweffectiveitwillbe,onlytimecantell.1．HowdidDr.Shenfindthesolutiontotheproblemsofaging?A.BystudyingWesternmedicine.B．BylearningtraditionalChinesemedicine.C．BycombiningbothWesternandChinesemedicine.D．BydoingresearchonbothWesternandChinesepeople.2.WhatplaysthemostimportantroleinkeepingpeopleyoungaccordingtoShen?A.Medicaltreatment.B．People'sgoodkidney.C．Levelofpeople'sactivity.D．Positivelifeattitude.3.Thereasonwhypeoplebecomeoldisthat________.A.theirbodiesproduceTcellsB．theirbodiesareunabletofightdiseasesC．theyhavereducedstrength,lossofhairD．theybecomeweakerandweaker4.Wecanprobablylearnfromthepassagethat________.A.producingmorelowcaloriefoodallowspeopletokeepyoungB．themoreChineseherbalmedicinepeopledrink,thebetterforhealthC．peopleshouldtrytoquickentheproductionofTcellsinthebodyD．itremainsunknownhoweffectiveDr.Shen'sherbalmedicineis(二)Lookingforanewweightlossplan?Trylivingonthetopofamountain.Mountainaircontainslessoxygenthanairatloweraltitudes，sobreathingitcausesthehearttobeatfasterandthebodytoburnmoreenergy.Studieshavefoundthatathletestrainingathighaltitudestendtoloseweight.DoctorFlorianLipplinGermanywonderedhowthemountainairwouldaffectobeseindividualsiftheyweren'tdoinganymorephysicalactivitythanusual.Lipplandhiscolleaguesinvited20obesementoanenvironmentalresearchstationabout300metersbelowthesummitofZugspitze，amountainneartheAustrianborder.Thiswasnohikingexpedition.Theywereallowedtoeatasmuchastheyliked.Themenalsogavebloodsothatresearcherscouldtestforhormones(荷尔蒙)linkedtoappetiteandobesity.Attheendoftheweek,themen,whoseweightstartingoutwas105kilograms,hadlostabout1.5kgonaverage.Themen'sbloodpressurealsodropped，whichtheresearchersowedtoweightlost.Exactlywhatcausedtheweightlossisuncertain.Lossofappetiteiscommonathigheraltitudes,andindeedthemenatesignificantlylessthanusual—about700caloriesfewerperday.Appetitelossathighaltitudescouldcertainlybekey，notesDamianBailey，aphysiologist,whohimselfrecentlylost11kgduringa3monthexpeditiontotheAndesinChile.Unfortunately，fortheaverageper...
