Doyoufindgettingupinthemorningsodifficultthatit'spainful?ThismightbecalledlazinessbutDrKimhasanewexplanation.Hehasprovedthateveryonehasadailyenergycycle.

Duringthehourswhenyoulaborthroughyourworkyoumaysaythatyou're“hot.”That'strue.Thetimeofdaywhenyoufeelmostenergeticiswhenyourcycleofbodytemperatureisatitspeak（高峰）.Forsomepeoplethepeakcomesduringtheforenoon.Forothersitcomesintheafternoonorevening.Noonehasdiscoveredwhythisissobutitleadstosuchfamiliarwordsas:“GetupJohn!You'llbelateforworkagain!”ThepossibleexplanationtothetroubleisthatJohnisathistemperature-and-energypeakintheevening.Muchfamilyquarrelingendswhenhusbandsandwivesrealizewhattheseenergycyclesmeanandwhichcycleeachmemberofthefamilyhas.

Youcan'tchangeyourenergycyclebutyoucanlearntomakeyourlifefititbetter.Habitcanhelp.DrKimbelieves.Maybeyou'resleepyintheeveningbutfeelyoumuststayuplateanyway.Counteract（对抗）yourcycletosomeextentbyhabituallystayinguplaterthanyouwantto.Ifyourenergyislowinthemorningbutyouhaveanimportantjobtodoearlyinthedayrisebeforeyourusualhour.Thiswon'tchangeyourcyclebutyou'llgetupsteamandworkbetteratyourlowpoint.

Getofftoaslowstartwhichsavesyourenergy.Getupwithaleisurelyyawn（哈欠）andyourbodystretching.Sitontheedgeofthebedaminutebeforeputtingyourfeetonthefloor.Avoidthetroublesomesearchforcleanclothesbylayingthemoutthenightbefore.Wheneverpossibledousualworkintheafternoonandsavetasksrequiringmoreenergyorattentionforyoursharperhours.

1．Ifapersonfindsgettingupearlyaproblemmostprobably________.

A．heisalazyperson

B．herefusestofollowhisownenergycycle

C．heisnotsurewhenhisenergyislow

D．heisathispeakintheafternoonorevening

2．Whichofthefollowingmayleadtofamilyquarrelsaccordingtothepassage?

A．Unknowingofenergycycle.

B．Understandingtheenergycycle.

C．Achangeinafamilymember'senergycycle.

D．Attemptstocontroltheenergycycleofotherfamilymembers.

3．Ifonewantstoworkmoreefficientlyathislowpoint