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1.(2021·陕西)本文主要介绍了我们为什么需要睡眠,睡眠的时间,梦游以及动物睡觉的情况。
Doyouknowthereasonwhywefeeltiredinthemiddleofaclass?Maybeyouwouldsayitisbecausetheteacher’sclassisboring.____31____Perhapsthisissomethingyouhavenotpaidenoughattentiontoornotyetnoticed.
Purposeofsleep
____32____Sleephelpsourbodyheal(修复),grow,andstayhealthy.Italsogivesusenergy,sowecanbeactiveallday.Doctorsandhealthscientistssay:Whenyoucloseyoureyesandneedtorest,sleepisjusttheverybest!Thisismorethanadvice.
Sleeptime
Enoughsleepisimportanttous.Howmuchsleepdoweneed?New-bornbabiessleepmostofthetime.Theycansleep20—22hoursaday.Childrenneed10—12hoursofsleepaday.Teenagersneed8—10hoursofsleepadaybecausetheyneedlotsofenergytogrowintotheiradult(成人的)bodies.Grown-upsusuallyneed6—8hoursofsleeptokeepactive.____33____Thatiswhyoldpeoplesleeplessthanyoungpeople.
Interestingfacts
Almosteveryonehastheirdreamswhiletheysleep,butnotallofthemcantelltheirdreamsclearlywhentheywakeup.____34____Moresurprisingly,somemayevengetupintheirdreamsandwalkaround.Thisiscalled“sleepwalking”.Areyouasleepwalker?Or,isthereasleepwalkeraroundyou?
____35____
It’snotjustpeoplethatlovetosnooze(打盹).Infact,manyanimalshaveunusualorsurprisingsleepinghabits.Someanimals,suchasbearsandhedgehogs,sleepallthroughwinter.Theswiftisaveryfastbirdthatcansleepwhileitflies!Cutekoalassleeparound18hoursaday.Giraffesdon’tneedmuchsleepatall.Theyusuallysleepstandingup.
A.Sleepyanimals
B.Whydoweneedsleep?
C.Somepeopletalkintheirdreams.
D.However,therealreasonisprobablythatwedon’thaveenoughsleep.
E.Theolderyouget,thelesssleepyouwillneed.
F.Somepeopleneverdreamwhiletheysleep.
G.Cleveranimals
【答案】31.D32.B33.E34.C35.A
2.(2021·山西)本文主要讲述了作者母亲对他的教育观点,让他明白幸福是生
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