山西省晋中市和诚高中有限公司2018-2019学年高二英语下学期周练试题一

山西省晋中市和诚高中有限公司2018-2019学年高二英语下学期周练试题一考试时间：60分钟满分：100分班级________考号________姓名________一、阅读理解。（15*3=45）AAfterabusydayofworkandplay,thebodyneedstorest.Sleepisnecessaryforgoodhealth.Duringthistime,thebodyrecoversfromtheactivitiesoftheday.Therestthatyougetwhilesleepingmakesitpossibleforyourbodytoprepareitselfforthenextday.Therearefourlevelsofsleep,eachbeingalittledeeperthantheonebefore.Asyousleep,yourbodyrelaxes(放松)littlebylittle.Yourheartbeatsmoreslowly,andyourbrainslowsdown.Afteryoureachthefourthlevel,yourbodyshifts(变换)backandforthfromonelevelofsleeptotheother.Thoughyourmindslowsdown,youwilldreamfromtimetotime.Scientistswhostudysleeppointoutthatwhendreamingoccurs,youreyeballsbegintomovemorequickly(althoughyoureyelidsareclosed).ThisstageofsleepiscalledREM,whichstandsforrapideyemovement.Ifyouhavetroublefallingasleep,somepeoplerecommend(建议)breathingveryslowlyandverydeeply.Otherpeoplebelievethatdrinkingwarmmilkwillmakeyoudrowsy.Thereisalsoanoldsuggestionthatcountingsheepwillputyoutosleep.1Thetextsuggeststhatnotgettingenoughsleepmightmakeyou_____.A.sufferfrompoorhealthB.feeltiredandnervousC.dreammoreoftenD.breathequickly2.DuringREM,_____.A.youmoverestlesslyB.youstartdreamingC.yourmindstopsworkingD.youreyeballsmovequickly3Theunderlinedworddrowsyinthelastparagraphprobablymeans_____.A.lazyB.sleepyC.relaxedD.pleased4.Agoodtitleforthistextmightbe_____.A.DreamsB.SleepC.GoodHealthD.WorkandRestBZinc(锌)isoneofabout20elementsnecessaryforgoodhealth.Itispresentinthebodyinaverysmallamount,butitmakesitpossibleforimportantchemicalactionstobecarriedoutincells.Scientistsarejustbeginningtodiscoverhowzincandotherelementswork.Researchersfirststudiedzincasawaytospeedrecovery.Dr.WaltorPowys,formerlywiththeUnitedStatesAirForce,notedthatthelaboratoryanimalsrecoveredfasterwhensomematterswereaddedtotheirfood.Oneofthesematterswaszinc.Dr.PowyslatertestedthezinctreatmentonanAmericanairmanrecoveringfrommedicaloperations.Theairmanwhoreceivedzincsulphate(硫酸盐)recoveredinhalfoftheusualtime.Otherdoctorsstudiedpersonswhohadanumberofstrangedisorders.Thedoctorslearnedthatalloftheseproblemswerecausedbylackofzincinthebody.Theytreatedthesedisorderssuccessfullybygivingthepatientszincsulphate.Theamountofzincinthebodycanbefoundbyexaminingbloodandhair.Alackofthisimportantelementisnotuncommonamongpeopleinbothindustrialanddevelopingcountries.Zincisfoundinmosthighprotein(蛋白质)foods,suchasmeat,milk,fishandeggs.Itisalsofoundinwholegrains.Butmanypeopledonoteatenoughofthesefoods.Foodmarketsshouldaddtheseelementssothatmorepeoplecouldgetneededamountofthesenecessarymatters.5.Whichofthefollowingstatementsistrue?A.Scientistsfoundhowzincworksalongtimeago.B.Peopleneedalargeamountofzinctobehealthy.C.Zincallowsimportantchemicalactionstotakeplaceincells.D.Zincmustbeusedinthecourseofmedicaloperation.6.Oneoftheresultsfromthestudyofzincisthat_________.A.there'sonlyalittlezincinthehumanbodyB.foodrichinproteincontainsmorezincC.somephysicalproblemsarecausedbylackofzincD.anypatientwhoreceiveszincsulphategetswellimmediately7.Thebesttitleforthepassagemaybe________.A.ANewDiscoveryB.ZincandHealthC.HowZincWorksD.AddZinctoYourFoodCSkin-divingSkin-diving(潜泳)isanewsporttoday.Thissporttakesyouintoawonderfulnewworld.Itislikeavisittothemoon.Whenyouareunderwater,itiseasyforyoutoclimbbigrocksbecauseyouarenolongerheavy.Here,underwater,everythingisblueandgreen.Duringtheday,thereisplentyoflight.Whenfishswimnearby,youcancatchthemwithyourhands.Whenyouhavetanks(罐)ofaironyourback,youcanstayindeepwaterforalongtime.Butyoumustbecarefulwhenyoudiveindeepwater.Tocatchfishisoneofthemostinterestingpartsofthissport.Besides,therearemoreusesforskin-diving.Youcancleanshipswithouttakingthemoutofwater.Youcangetmanythingsfromthedeepsea.Nowyouseethatskin-divingisbothusefulandinteresting.8.Skin-divingisanewsport.Itcantakeyouto________.A.themoonB.anewworldoflandC.themountainsD.deepwater9.Indeepwater________.A.thereisplentyoflightB.thereisnolightatallC.youcanfindalotofbluefishD.everythinglooksblueandgreen10.Youcanclimbbigrocksunderwatereasilybecause________.A.youareveryheavyB.youareasheavyasonthelandC.youarenotasheavyasonthelandD.youhavenoweightatall11.Withtanksofaironyourback,youcan________.A.catchfishveryeasilyB.stayunderwaterforalongtimeC.climbbigrocksD.havemorefun12.WhichofthefollowingisNOTtrue?A.Skin-divingisanewsport.B.Skin-divingislikevisitingthemoon.C.Theonlyuseofskin-divingistohavemorefun.D.Skin-divingisnotonlyinterestingbutuseful.DNooneisverygladtohearthathisbodyhastobecutopenbysurgeryandpartofittakenout.Today,however,weneednotworryaboutfeelingpainduringtheoperation.Thesickpersonfallsintoakindofsleep,andwhenheawakestheoperationisfinished.Butthesehappyconditionsarefairlynew.Itisnotmanyyearssinceamanwhohadtohaveoperationfeltallitspain.Longago,operationhadusuallytobedonewhilethesickmancouldfeeleverything.Thesickmanhadtobehelddownonatablebyforcewhilethedoctorsdidtheirbestforhim.Hecouldfeelallthepainifhislegorarmwasbeingcutoff,andhisfearfulcriesfilledtheroomandtheheartsofthosewhowatched.Soonafter1770,JosephPriestlydisc