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1、2014上海中考英语首字母填空专项练习（一）Sleepisnotthesameeverynight.Weexperiencesomedeepsleepandsomeactivesleep(积极睡眠),whichiswhendreamshappen.Youmightthinksleepwalking(梦游)wouldhappeninactivesleep,butapersonisn'tphysicallyactived86activesleep.Sleepwalkingusuallyhappensinthefirstfe
2、whoursofsleepinthestagecalledslow-wave(慢波)ordeepsleep.Notallsleepwalkersa87walk.Somesimplysituporstandinbedoractlikethey'reawakewhen,infact,they'reasleep!Most,however,dogetupandmovearoundforafewsecondsorforaslongashalfanhour.Sleepwalkers'e88areopen,buttheydon'ts
3、eethesamewaytheydowhenthey'reawakeandoftenthinkthey'reindifferentroomsofthehouseordifferentplacesaltogether.Sleepwalkerstend(往往会)togobacktobedontheirownandtheywon'tr89itinthemorning.Doctorssaysleepwalkingsometimesoccurswhenapersonissick,hasafever,isnotgettinge90
4、sleep,orisstressed.Ifsleepwalkingoccursfrequently,everynightorso,it'sagoodideaforyourmomordadtotakeyoutoseeyourdoctor.Butoccasional(偶然的)sleepwalkinggenerallyisn'tsomethingtoworryabout,a91"itmaylookfunnyorevenscary(惊恐的)forthepeoplewhoseeasleepwalkerinaction.It'si
5、mportant,ofcourse,thatthepersoniskeptsafe.Precautions(预防措施)shouldbet92sothepersonislesslikelytofalldown,runintosomething,orwalkoutthefrontdoorwhilesleepwalking.（二）Everyoneneedssleep.Infact,alllivingthingsneedsleep.Havingasoundandgoodrestm_____86_____ushealthy.It
6、isbelievedthatourbraindevelopsbestduringsleep.Ithelpsalloursystemsworkwellw_____87_____weareawake.Sleepallowsourbraintoreorganizealleventsduringthedayandwillimproveourmemorydevelopment.Forastudent,eighttotenhoursofsleepisrequiredtogivehimorhere_____88_____forthe
7、followingday.Agoodsleepallowsthemtogrowphysicallyandmentally(心理上).Withe_____89_____sleepatnight,studentswouldbeabletowakeupearlyandbereadyforschoolactivities.Theywillbeabletolistencarefullyinclassandwouldhavetheabilitytomemorizethethingsthattheylearnandr_____90_
8、____theminthefuture.Eighthoursofsleepmakesstudentsactivet_____91_____thewholedayatschool.Theywouldbeabletoperformwellinclass,takedownnotesandfinishtheirhomework.Whent
