［独家授权］安徽省2023-2024学年八年级上学期期中教学质量调研【考后更新】数学试卷答案,我们目前收集并整理关于［独家授权］安徽省2023-2024学年八年级上学期期中教学质量调研【考后更新】数学得系列试题及其答案，更多试题答案请关注我们

［独家授权］安徽省2023-2024学年八年级上学期期中教学质量调研【考后更新】数学试卷答案

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C.Streamingcanhelprelieveboredom.D.Itisimportanttocommunicatewithviewers.第二节：（共5小题：每小题2.5分，满分12.5分)根据短文内容，从短文后的选项中选出能填入空白的最佳选项，选项中有两项为多余项

Whatisthebestsleeppositionforyourhealth?It'sdifficulttocontrolwhatsleepingpositionwenaturallyfellinto,asourbodywillsubconsciouslyfallintothemostcomfortablepositionforus.However,somepositionsarebetterforyouthanothersandsomecouldholdbackyourhealthandwellbeing.36IfyousleeponyoursideMorethan60percentofpeoplesleepontheirside.Oftenourbodynaturallymovestothisposition,whichislinkedtowhenwewereinthewombinthefoetalposition.37Itoffersanumberofbenefitstoyourbody,frompromotinghealthyspinealignment(whichcanhelptopreventbackpaintoreducingheartburnandsnoring(打鼾).IfyousleeponyourbackLyingonyourbackisthesecondmostpopularsleepingpositionandoffersjustasmanybenefitsassidesleeping.Whenyou'resleepingonyourback,it'seasytokeepalignmentandtoalsoevenlydistributeyourweight.38IfyousleeponyourstomachSleepingonyourstomachistheleastcommonsleepingposition.39Andthosewhosleepontheirstomachcouldputthemselvesatriskofalessrestfulnight'ssleep.Thestomachofferstheleastamountofbacksupportandcanincreasepressureonthespinewhichmaycausepainonceyouwakeup.40Youshouldconsidervariousfactorssuchasifyousnoreorsuffersleepproblems,orifyouoftenhavebackandneckpain.Sidesleepinghasbeennotedasthebestpositionforthebody,sothisisprobablyonetotryandgetintothehabitoftrying,butagain,italldependsonyou.A.Thisalsohelpstopreventanyneckandbackpain.B.Sleepingonyoursideisprobablythebestposition.C.Sidesleepingwouldbeparticularlybeneficialforolderpeople.D.Therearemorenegativestothispositioncomparedtopositives.E.DeterminingthesleepingpositionforyouispersonalpreferenceF.Here,thisarticlerevealsexactlyhowyoursleeppositionisaffectingyourhealth.G.Thisismostlylikelybecauseitisoneofthemostcomfortablesleepingpositions.第三部分：语言知识运用（共两节，满分30分)第一节：（共15题：每小题1分，满分15分）阅读下面短文，从短文后各题所给的A、B、C、和D中，选出可以填入空白处的最佳选项

MynameisAllyDelMonte.Irememberitclearly.WhenIwas10yearsold,my41andIwereonourfirstvacationatDisneyWorld,andweweregoingtoa"PirateandPrincessParty",Wedidn'tknowthatitwasacostume(partybutno42-mymomsaidshe'd43metogetaprincessdress.We44thelandofprincesses,buttheydidn'thaveoneforme.IwasinthebeginningstageofLymedisease.My45andmedicationcausedmyoverweight.Iwastoo46forthekidscostumesandthe47costumeswouldn'tworkforme.

分析由分母中根式内部的代数式大于0，然后求解对数不等式得答案．

解答解：由log₂x＞0=log₂1，得x＞1．
∴函数f（x）=$\frac{1}{\sqrt{lo{g}_{2}x}}$的定义域为（1，+∞）．
故答案为：（1，+∞）．

点评本题考查函数的定义域及其求法，考查了对数不等式的解法，是基础题．