Questions6to10arebasedonthefollowingpassage.Sleepplaysamajorroleinpreparingthebodyforanalertandproductivetomorrow.Butsleepisnotaperiodofinactivity.Thesleepingbrainishighlyactiveatvarioustimesduringthenig

　　Questions6to10arebasedonthefollowingpassage.

　　Sleepplaysamajorroleinpreparingthebodyforanalertandproductivetomorrow.Butsleepisnotaperiodofinactivity.Thesleepingbrainishighlyactiveatvarioustimesduringthenight,performingnumerous“housekeepingtasks”.Thesekeepusaliveandaidourabilitytothinkandremember.Sleepalsoenergizesthebodyandbrain.Mostpeoplespendone-thirdoftheirlivessleepingandthiswillaffecttheothertwo-thirdsintermsofalertness,energy,moods,bodyweight,perception,memory,thinking,reactiontime,productivityandperformance.

　　Tolimitsleepmeansourhealthanddaytimepotentialaresignificantlyreduced

　　So,goodsleepstrategiesareessentialinordertofeelenergizeddayafterday.Thereisnostrategywhichworksforeveryone,soeachpersonneedstoexperiment.Oneimportantthingisthatyoushouldn’tworrytoomuchifyougoafewnightswithoutalotofsleep.Itwon’truinyourlife.Onanygivennight,oneinfourpeoplecan’tsleepproperlyandeveryonesuffersfromalackofsleepatsometime.

　　Howdoesoneminimizethisproblem?Itisreallyquitesimple.Thefirstthingyoumustdoistoreducestressasmuchaspossible.Stressispartofeverydaylifeand,whilewecanneverbeentirelywithoutstress,itcanbemanaged

　　Thismeanstakingcontrolofyourlifeandfocusingonwhatisimportant.Onesleepingstrategyistositinacomfortableposition,closeyoureyesandrelaxallyourmuscles,breathingeasilythroughyournose.Continuethisfortentotwentyminutes.Thisshouldhelpyoureducestressandsleepbetter.Or,youcantrygettingplentyofexercise,becauseatiredbodyislikelytosleepbetter.

　　6.Accordingtothepassage,sleepisimportantbecause______.

　　A.itisaperiodofcompleteinactivityforthebrain

　　B.ithelpsusunderstandwhatwehavealreadyachieved

　　C.itmakesusmoreeffectivewhenweareawake

　　D.ithelpsustoloseweight

　　7.Methodsofgettingenoughsleep______.

　　A.varybetweenmenandwomen

　　B.arethesameforeverybody

　　C.varyfrompersontoperson

　　D.arebasedonyourjob

　　8.Accordingtothepassage,beingunabletosleep______.

　　A.af