内容正文:
说明文
Passage1
Manypeoplehavedifficultyingettingupin
themorning.Thismightbecaledlaziness,but
Dr.Kleitmanhasanewexplanation.Hehasproved
thateveryonehasadailyenergycycle.
Duringthehourswhenyouwork,youmay
saythatyoure“hot”.Thatstrue.Thetimeof
daywhenyoufeelmostenergeticiswhenyour
cycleofbodytemperatureisatitspeak(顶峰).
Forsomepeoplethepeakcomesduringthe
morning.Forothersitcomesintheafternoonor
evening.Noonehasdiscoveredwhythisisso,
butitleadstosuchfamiliarwordsas:“Getup,
John!Youlbelateforworkagain!”Thepossi-
bleexplanationforthetroubleisthatJohnisat
histemperature-and-energypeakintheevening.
Muchfamilyquarrelingendswhenhusbands
and wivesrealize whattheseenergy cycles
mean,andwhichcycleeachmemberofthefami-
lyhas.
Youcantchangeyourenergycycle,butyou
canlearntomakeyourlifefititbetter.Habit
canhelp,Dr.Kleitmanbelieves.Maybeyoure
sleepyintheeveningbutfeelyoumuststayup
lateanyway.Ifso,stayinguplaterthanyou
wanttomaycounteractyourcycleinsomeway.
Ifourenergyislowinthemorningbutyouhave
animportantjobtodoearlyintheday,risebe-
foreyourusualhour.Thiswontchangeyour
cycle,butyoulgetupsteamandworkbetterat
yourlowpoint.
Getofftoaslowstartwhichsavesyouren-
ergy.Getup with acomfortableyawn and
stretch.Sitontheedgeofthebedforaminute
beforeputtingyourfeetonthefloor.Avoidthe
troublesomesearchforcleanclothesbylaying
themoutthenightbefore.
1.Dr.Kleitmanexplainsthatapersonisdifficult
togetupinthemorningprobablybecauseof
.
A.hisownlaziness
B.hisownenergycycle
C.hisownhabit
D.hisbadrestatnight
2.Accordingtothepassage,peoplesenergy
peakmaycome .
A.inthemorning B.intheevening
C.intheafternoon D.atdifferenthours
3.Whatdoestheunderlinedword “it”inthe
thirdparagraphreferto?
A.Thelife. B.Thegoodhabit.
C.Theenergycycle. D.Thechange.
4.Ifthefindingistrue,itsbestto .
A.doyourworkattheenergypeak
B.managetocontrolyourtemper
C.workatthebottomofenergycycle
D.managetokeepyoucleanalday
Passage2
Gettingpaidtostayinbedaldaysoundspret-
tygood,butwhatifsomeonepaysyou$23,000to
stayi