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　　【EveryhourspentinwatchingTVDVDsandvideosasanadultreduceslifespanbyalmost22minutesastudysuggests.AndviewingTVforanaverageofsixhoursadaycancutshortyourlifebyfiveyears.Theresearchshowsthatasedentary】

　　EveryhourspentinwatchingTVDVDsandvideosasanadultreduceslifespanbyalmost22minutesastudysuggests.AndviewingTVforanaverageofsixhoursadaycancutshortyourlifebyfiveyears.

　　Theresearchshowsthatasedentary（久坐的）lifestyleisasbadforhealthassmokingandobesitybecauseofthedangerscausedbyinactivityandthegreateropportunitiesitoffersforunhealthyeating.

　　Theresearcherssetouttocalculatetheoverallrisktolifespanfromwatchingtelevision.Theirresearchinvolvedmorethan11000peopleovertheageof25.

　　WritingintheBritishJournalofSportsMedicinetheyconcluded."TVviewingtimemaybeconnectedwithalossoflifewhichissimilartoothermajorchronicdiseaseriskfactorssuchasphysicalinactivityandobesity."

　　TheresearchersfromtheUniversityofQueenslandusedinformationfromtheAustralianDiabetesObesityandLifestyleStudytogetherwithpopulationanddeathratedata.

　　Buttheysaid:"AlthoughweusedAustraliandatatheeffectsinotherindustrializedanddevelopingcountriesarelikelytobesimilarconsideringthelargeamountsoftimespentwatchingTVandsimilaritiesindiseasepatterns."IntheUnitedKingdomtheaverageamountoftimespentwatchingTVisfourhoursadaycomparedwithfivehoursintheUnitedStates.

　　Earlierthisyearaseparatestudysuggestedtheriskofdevelopingdiabetesandheartdiseaseordyingearlyrisesbyasmuchas20percentafterjusttwohoursadayinfrontofthebox.

　　England'sChiefMedicalOfficerSallyDaviessaid:"Physicalactivityoffershugebenefitsandthesestudiesbackwhatwealreadyknow-thatasedentarylifestylecarriesadditionalrisks.Wehopethesestudieswillhelpmorepeoplerealizethattherearemanywaystogetexercise."

　　1.Wecanlearnfromthepassagethat______.

　　A.whetheryouwatchTVornothasnothingtodowithhowlongyouwilllive

　　B.ifanadultwatchesTVforsixhourseverydayhewillprobablydiefiveyearsearlier

　　C.physicalinactivityandobesitywon'tshortenyourlife

　　D.asedentarylifestyleoffershugebenefits

　　2.Thepassageimpliesthat______.

　　A.ThelongeronewatchesTVeverydaythe

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2020-12-1507:13

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罗大卫

　　BACD

　　分析：

　　文章介绍了一项研究发现：看电视等于慢性自杀每天6小时寿命短5年，读者长时间看电视的坏处，希望人们多锻炼。1.细节题：从第一段的句子：AndviewingTVforanaverageofsixhoursadaycancutshortyourlifebyfiveyears.可知成年人一天看电视[6小时寿命短5年，选来B2.细节题：从第四段的句子："TVviewingtimemaybeconnectedwithalossoflifewhichissimilartoothermajorchronicdiseaseriskfactorssuchasphysicalinactivityandobesity."可知看电视的时间越长，寿命越短，选A3.细节题：从第二段的句子：Earlierthisyearaseparatestudysuggestedtheriskofdevelopingdiabetesandheartdiseaseordyingearlyrisesbyasmuchas20percentafterjusttwohoursadayinfrontofthebox.可知每天看两个小时的电视会增加生病或死亡的机率20%，选C4.推理题;从最后一段的句子："Physicalactivityoffershugebenefitsandthesestudiesbackwhatwealreadyknow-thatasedentarylifestylecarriesadditionalrisks.可知这篇文章是想告诉读者长时间看电视的坏处，希望人们多锻炼，选D

　　考点：

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