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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.Migrainepatientshad
2、fewerheadachesafterdoing40minutecyclingworkoutsthreetimesaweekforthreemonths,accordingtoaSwedishstudy.Theexerciseroutineworkedjustaswellasoneofthetopmigrainepreventingdrugs—topamiratebutwithoutthesideeffectsofdepressionandtremors(刺激).Cardioworkoutscanhelpwithregularhea
3、daches,too,saysAlexanderMauskop,M.D.,directoroftheNewYorkHeadacheCenterinManhattan.Thereareacoupleoftheoriesonhowitworks.Breakingasweatmayrelievestress,saysDr.Mauskop.Headachesareoftentriggeredbystress,andifyouremovethetrigger,youreleasethepain.Thefeelgoodchemicalsprod
4、ucedwhenyouexerciseactuallyblockyourpainsensors,actingasanaturalpainkiller.Sinceheadachescanbecausedbymanydifferentfactorslikegenetics(遗传),lackofsleep,orcertainfoods,cardiowon'tbethesolutionforeveryone,Dr.Mauskopsays.ButoneGermanstudyfoundthatithelped65percentofpatient
5、s,whichmakesitaseffectiveasthebestmedicinesonthemarket.Dr.Mauskoprecommendshispatientsdoahalfhourreasonableintensity(强度)cardio,likejogging,biking,orswimmingthreetimesaweek.Theseworkoutsaremeanttobeslowandsteady,asopposedtohighintensityintervalsthatalternatebetweenallou
6、trunsandrest.Pushingyourselftoomuchorincreasingtheintensitytooquicklycantriggerheadachesinsomepeople,somakesureyourheartratedoesn'tjumpabove150BPM.Ifyoudon'thaveaheartratemonitor,thenbreatheonlythroughyournose.You'llknowyou'regoingtoohardifyoucan'tkeepupthatbreathingpa
7、ttern.Yourmigrainescouldstartdisappearinginacoupleofweeks,Dr.Mauskopsays.1.Accordingtothepassage,theauthormayagreethat________.A.jogging,swimmingandfishingarecardioworkoutsB.neithercardioworkoutsnortopamiratehassideeffectsC.migrainepatientsmaybecuredbyregularcardiowork
8、outsD.cardioworkoutswillbethesolutionforeveryonewithmigraines2.Theunderlinedword“triggered”inParagraph7canbereplacedb