运动可弥补糟糕睡眠的不良影响

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谢勇

研究发现，睡眠不足可以靠运动来弥补。只要运动量达标，即使睡眠质量差，也可以抵消不良睡眠带来的健康风险。

Weallknowthatahealthylifemeansgettingbothplentyofexerciseandenoughgoodqualitysleep，butrealityoftengetsintheway.Anewresearchindicatesthatdoingenoughexercisecouldmakeupforsomeoftheunhealthyimpactsofbadsleep.

“Wefoundthosewhohadboththepoorestsleepqualityandwhoexercisedtheleastweremostatriskofdeathfromheartdiseaseandcancer，〞saysepidemiologist（流行病學家）BoHueiHuang，fromtheUniversityofSydney.“Thefindingssuggestalikelysynergistic（协作的）effectbetweenthetwobehaviors.〞

Participantsweregroupedintothreelevelsofphysicalactivityandwerealsogivenasleepqualityscorefrom05basedontheamountofshuteyetheygot，howlatetheystayedup，snoringanddaytimesleepiness.

Thosewiththehighestriskofdyingfromcancerorheartdiseaseduringthestudyperiodwerethosewiththeworstqualitysleepandwhodidnthaveenoughexercise.Thatriskwentdownforpeoplewithpoorqualitysleepbutwhodidmeettheexerciseguidelines.

Inthecaseofallformsofcancer，forexample，thoseattheunhealthiestendofthesleepandexercisescalehada45percenthigherriskofdyingfromcancerthanthosewithgoodsleepscoreswhokeptphysicallyactive.However，thatriskjustaboutdisappearedforthosewhodidntscorewellonsleepbutdidscorewellonphysicalactivity.

Fornow，itsnotclearwhymoreexercisemightmakeupforpoorsleep，asfarasourhealthgoes.“Bothbehaviorsarecriticalforhealthbut，sadly，oursocietysuffersfrombothphysicalinactivityandapoorsleepcrisis，〞sayspopulationhealthresearcherEmmanuelStamatakis，fromtheUniversityofSydney.“Consideringthatphysicalactivityisperhapsmorecontrollablethansleep，ourstudyofferspeoplemorehealthencouragementtobephysicallyactiveandprovideshealthprofessionalswithmorereasonstoprescribe（开处方）physicalactivitytopatientswithsleepproblems.〞

1.Whatdoestheunderlinedphrase“getsintheway〞inparagraph1mean？

A.Differs.B.Changes.C.Blocks.D.Limits.

2.Whohasthehighestriskofdyingfromcanceraccordingtothefifthparagraph？

A.Peoplesleepwellandhavelittleexercise.

B.Peoplesleepwellandexerciseregularly.

C.Peoplesleepbadlyandexerciseregularly.

D.Peoplesleepbadlyandhavelittleexercise.

3.Whathappenedtopeoplewhodidntscorewellonsleepbutdidscorewellonphysicalactivity？

A.Theyhadahigherriskofdyingfromcancer.

B.Theriskofdyingfromcancernearlydisappeared.

C.Theyhadahigherriskofdyingfromheartdisease.

D.Theyhadnochanceofhavingheartdisease.

4.WhatcanweknowfromwhatEmmanuelStamatakissaysinthelastparagraph？

A.Hethinkspeopledontexerciseenoughandhavebadsleep.

B.Hethinksexerciseishardertocarryonthansleep.

C.Hethinksdoctorsshouldbemoreprofessional.

D.Heisdoubtfulaboutthenewfindings.

Ⅰ.Difficultsentenceinthetext

Inthecaseofallformsofcancer，forexample，thoseattheunhealthiestendofthesleepandexercisescalehada45percenthigherriskofdyingfromcancerthanthosewithgoodsleepscoreswhokeptphysicallyactive.以各种癌症为例，那些睡眠质量最差、运动量最低的人死于癌症的风险比那些睡眠质量好并坚持运动的人要高出45%。

本句是一个主从复合句，句中Int