资源描述：
《高考真题二次开发专题2020年全国I阅读理解C 真题训练-三轮冲刺（学生版）.docx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、【高考真题二次开发专题】2020年全国I阅读理解C-真题训练2020年全国I阅读理解C-真题训练目录一、真题训练[2020·全国卷Ⅰ]C.....................................................................................................1二、读后训练.............................................................................................
2、........................................31、长难句分析...................................................................................................................................32、句子翻译...................................................................................
3、....................................................3一、真题训练[2020·全国卷Ⅰ]CRacewalkingsharesmanyfitnessbenefitswithrunning,researchshows,whilemostlikelycontributingtofewerinjuries.Itdoes,however,haveitsownproblem.Racewalkersareconditionedathletes.Thelongesttrackandfieldeve
4、ntattheSummerOlympicsisthe50-kilometreracewalk,whichisaboutfivemileslongerthanthemarathon.Butthesport’srulesrequirethataracewalker’skneesstaystraightthroughmostofthelegswingandonefootremainincontactwiththegroundatalltimes.It’sthisstrangeformthatmakesracewalkingsuchanat
5、tractiveactivity,however,saysJaclynNorberg,anassistantprofessorofexercisescienceatSalemStateUniversityinSalem,Mass.Likerunning,racewalkingisphysicallydemanding,shesays.Accordingtomostcalculations,racewalkersmovingatapaceofsixmilesperhourwouldburnabout800caloriesperhour
6、,whichisapproximatelytwiceasmanyastheywould1/3【高考真题二次开发专题】2020年全国I阅读理解C-真题训练burnwalking,althoughfewerthanrunning,whichwouldprobablyburnabout1,000ormorecaloriesperhour.However,racewalkingdoesnotpoundthebodyasmuchasrunningdoes,DrNorbergsays.Accordingtoherresearch,runners
7、hitthegroundwithasmuchasfourtimestheirbodyweightperstep,whileracewalkers,whodonotleavetheground,createonlyabout1.4timestheirbodyweightwitheachstep.Asaresult,shesays,someoftheinjuriesassociatedwithrunning,suchasrunner’sknee,areuncommonamongracewalkers.Butthesport’sstran
8、geformdoesplaceconsiderablestressontheanklesandhips,sopeoplewithahistoryofsuchinjuriesmightwanttobecautiousinadopting
