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1、Unit5FirstaidⅠ.阅读理解A(2017·东北三省四市一模)Thefollowingsimpleexerciseroutineworksaswellasprescriptionmedication(药物治疗)withoutthesideeffects.Ajogadaycouldkeepyourheadachesatbay:Regularcardioworkouts(有氧锻炼)maypreventmigraines(偏头痛)，agrowingbodyofresearchsuggests.Migrainepatientshadfewer
2、headachesafterdoing40minutecyclingworkoutsthreetimesaweekforthreemonths,accordingtoaSwedishstudy.Theexerciseroutineworkedjustaswellasoneofthetopmigrainepreventingdrugs—topamiratebutwithoutthesideeffectsofdepressionandtremors(刺激)．Cardioworkoutscanhelpwithregularheadaches,too
3、,saysAlexanderMauskop,M.D.,directoroftheNewYorkHeadacheCenterinManhattan.Thereareacoupleoftheoriesonhowitworks.Breakingasweatmayrelievestress,saysDr.Mauskop.Headachesareoftentriggeredbystress,andifyouremovethetrigger,youreleasethepain.Thefeelgoodchemicalsproducedwhenyouexer
4、ciseactuallyblockyourpainsensors,actingasanaturalpainkiller.Sinceheadachescanbecausedbymanydifferentfactorslikegenetics(遗传)，lackofsleep,orcertainfoods,cardiowon'tbethesolutionforeveryone,Dr.Mauskopsays.ButoneGermanstudyfoundthatithelped65percentofpatients,whichmakesitaseffe
5、ctiveasthebestmedicinesonthemarket.Dr.Mauskoprecommendshispatientsdoahalfhourreasonableintensity(强度)cardio,likejogging,biking,orswimmingthreetimesaweek.Theseworkoutsaremeanttobeslowandsteady,asopposedtohighintensityintervalsthatalternatebetweenalloutrunsandrest.Pushingyours
6、elftoomuchorincreasingtheintensitytooquicklycantriggerheadachesinsomepeople,somakesureyourheartratedoesn'tjumpabove150BPM.Ifyoudon'thaveaheartratemonitor,thenbreatheonlythroughyournose.You'llknowyou'regoingtoohardifyoucan'tkeepupthatbreathingpattern.Yourmigrainescouldstartd
7、isappearinginacoupleofweeks，Dr.Mauskopsays.1．Accordingtothepassage,theauthormayagreethat________.A．jogging,swimmingandfishingarecardioworkouts9B．neithercardioworkoutsnortopamiratehassideeffectsC．migrainepatientsmaybecuredbyregularcardioworkoutsD．cardioworkoutswillbethesolut
8、ionforeveryonewithmigraines2．Theunderlinedword“triggered”inParagraph7canbereplaced
