阅读理解寒假训练(19)阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项
Ourbodyclock,ornaturalbodyrhythm,influencesourenergyandalertness.Payingattentiontoitcanhelpuschoosethesuitabletimeofdaywhenwebestperformspecifictasks.Thereality,however,isthatmostofusorganizetheirtimearoundworkdemands,schooldeadlines,commutingorsocialevents.Doingwhateveryourbodyfeelslikedoingisaluxuryintoday'sfast-pacedmodemsociety.Butthatdoesn'tmeanitisn'tworthtrying.Obeyingourbodyclockhassignificanthealthbenefits.Disruptingournaturalbodyrhythm,ontheotherhand,hasbeenlinkedtoproblemssuchasdepression,obesity,orheadache,saysSteveKey,abiologyprofessor.Whenthebodyclockcansynchronize(使……同步)therhythmsofitsnaturalprocesses,it“givesusanadvantageindailylife”,saysKey.Accordingtohim,whenitcomestocognitive(认知的)work,mostadultsperformbestinth