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ReadandExploreSitingroupsofthreesorfoursanddiscussthefollowingquestions.Quotes1Quotes1Quotes2Quotes3Quotes4Watchthefollowingvideoclip“Fitness”andthencompletethetasksthatfollow:Fillinthemissingwordsaccordingtowhatyouhearfromthevideoclip.videoAIDSn.[U]AcquiredImmuneDeficiencySyndrome;averyseriousdiseasecausedbyaviruswhichbreaksdownthebody’snaturaldefencesagainstinfection艾滋病，获得性免疫缺损综合征HIVn.humanimmunodeficiencyvirus;theviruswhichcausesthediseaseAIDS人体免疫缺损病毒，艾滋病病毒infectionn.[C;U]theactorresultofinfecting,oradiseasespreadbyinfecting传染，感染；传染病L&R1L&R1Choosethebestanswertocompleteeachofthefollowingsentencesaccordingtotheinformationcontainedinthelisteningpassage.L&R2L&R2L&R2L&R2A)toexplainwhyweshouldovercomethefearofAIDSB)tocriticizeschoolsforneglectingAIDSeducationC)toprovethatthedangerofAIDShasbeenoverstated(夸大)D)togivethereasonsforAIDSeducationL&R3L&R3L&R31.WhydoestheauthordescribeCharlesWingetandhiswifeinthefirstparagraph?2.HowwouldbehavioralscientistsexplainthedifferencesbetweenCharlesWingetandhiswife?3.Whatare“circadianrhythms”accordingtoFranzHalberg?4.Howdoesthestudyofchronobiologybenefitpeopleingeneral?5.Whatapproachhasbeendevelopedtohelpapersonrecognizehisbody’spatterns?6.Howshouldwearrangeourmentalandphysicalworkaccordingtotheauthor?7.Whattipsdoeschronobiologyofferforeffectivedieting?8.Whattipsforsleepproblemsareofferedinthetext?MainIdeaMainIdeaHaveyoueverwonderedwhysometimeseachdayyouachievegreaterefficiencythanothertimes,whyyouareawaremorekeenlyofachesandpains,andwhyitiseasierforyoutofallasleep?Actuallyit’sallbecauseyourbody’stimeclockisatwork.In-DepthIn-DepthIn-Depth6Thespace-ageresearchhasmanyusefulapplicationshereonearth.Chronobiologistscantellyouwhentoeatandstillloseweight,whattimeofdayyou’rebestequippedtohandlethetoughestchallenges,whentogotothedentistwithyourhighestthresholdofpainandwhentoexerciseformaximumeffect.“It’sabiologicallawofhumanefficiency:toachieveyourbestwiththeleasteffort,youhavetocoordinatethedemandsofyouractivitieswithyourbi
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