求初二英语阅读理解

Doctorshavestudiedsleepformanyyears.It’ssaidthatalothappenswhenpeoplesleep.Itisreportedthatpeoplehavefivestages(阶段)ofsleepandthatpeoplemaygothrougheachstageevery90minutes..

Duringthefirsttwostages,yousleeplightly.Thatis,ifsomeonecallsyouorputshishandsonyou,youwakeupquickly.Yourbodyrestsquietly.Yourheartbeatsslowly.youbreathe(呼吸)moreslowlythanyouareawake.

DuringStagesThreeandFour,yousleepdeeply.Youdon’thearsound.Lightdoesn’twakeyouup.YourheartbeatsmoreslowlythaninStagesOneandTwo.ThelaststageofsleepiscalledRapidEyeMovement.DuringREMsleep,youbreathefaster,andyourheartbeatsfasterthaninStageOnethroughFour.Youreyesmoverapidly(快速地)underyoureyelids(眼皮).Allofthishappensbecauseyouaredreaming.Whatdoctorshaveproved(证明)isthateveryonedreams..

（）1.Thebesttitleforthispassageis__________.A.Howtosleep

B.WhatisREMsleepC.FivestagesofsleepD.Theimportanceofsleep

()2.DuringStagesOneandTwo,___________.A.wewakeupeasily.

B.wedon’twanttowakeup.C.webreathequickly.D.Wedon’twakeupquickly.

()3.Whenwesleepdeeply,_________.A.wecanhardlybreathe.B.wecanhearsounds

C.ourheartsbeatfasterandfasterD.neithersoundnorlightcanwakeusupeasily

()4.TheRapidEyeMovementshowsthat__________.A.wewanttowakeupB.wecanhearsomeonecallingC.oureyesareunderoureyelidsD.wearedreaming

()5.Whichofthefollowingistrue?A.Fivestagesofsleepusuallytakes90minutes.

B.YoueyelidssometimesopenduringREMsleep.C.Sometimeswemaygofromthelaststageofsleeptothefirstone.D.Itisprovedthatwealldreamduringsleep.