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衡水金卷2024版先享卷答案调研卷 安徽版 一数学.考卷答案试卷答案
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M:Hey,sis,we'renotchildrenanymore.Youdon'tneedtolookaftermelikeyoudidinmychildhood.Evenwivesdon'tworrysomuchovertheirhusbands.W:Well,ifwewanttoreachtheageofourgrandparents',weneedtostayhealthy.WhenIqueueatthecheckoutbehindsomepeople,Iamamazedattheunhealthythingstheyhaveintheirbaskets.Nowondertheyareoverweight,unfitandalwaysfeelingill.M:Ithinkyouhavetokeepabalance.Itrytobuymostlyhealthythings,butIdon'tgetstressedifIsometimesfeellikesomethinglesshealthy,likethebacon.IfIdon'tfeelcheerful,sometimesIhaveabarofchocolate.W:Iagree.SometimesifIhaeadache,Ihaveafewcansofbeer,eventhoughthat'snotparticularlygoodforme.(Text9)M:Mom,canwegetadorW:Dogsneedalotofttention,Jeffrey.Doyouthinkyoucanhatkindofresponsibility?It'sharderthanyouthinlcoursecan.I'lltakeitforwalkseveryday,andeleanuW:Doyouknowwhatkindofdogyouwant?Yes,I'vebeenlookingatsomepicturesontheInternetThisonewiththelonggoldenhairisnameLion举如mfHe'sverycute,butwedon'thaveenoughroomforadogthatbig.Thosedogsneedspacetooundandweliveinanapartment.Ithinkweshouldgetasmallone.M:OK,thenwhataboutthisone?Myfriendnelikethis,andeveryonelikesit.oblems.MSaeannoyourneighbors.W:First,wearen'tgettingpetstore.TheyaretooexpensivethatsavesdogsandgivesthemawayforM:OK.doingyourhomework,andhelpingaroundthehouse.M:Ipromiso!士M.Asayoungchild,Ialwaysenjoyedphysicalchallengesmorethanmentalones.Ilikedtorunandbuildswings.AtthatstageIhadn'tyetlearnedtoclimborswim,butthatissomethingIwouldalsohavelovedtodo.Onedaywehadaphysicaleducationclassatschool.Wedidthelongjumpandhandstands,butitwaswhenIhadtodoaforwardrollthatdisasterstruck.Somehow,Itwistedmyneckinanextremelypainfulway.Iscreamedloudlyandtheteacherswereveryconcerned.AnambulancewascalledandIwastakentoeightweeks.Ata'tinterestedinlovestoriesIavoidedthosandlookedatbooksontheshathome.Iwasn'tinterestedinlovestories-Iavoidedthormeandadventuredidappcollarwasremoved,thldmenottoexerciseforanotherfourweeks.Insteadofbesappointed,Iwasretimetomynewlove-reading.参考答案1~5ABR6~10ACACA11~15CBABB16~20ACBCO【答案与解析】解本文是一篇应用文
文章主要介绍了美国大峡谷国家公园的个绩点吸食宿信息
2l.C细节理解题
根据TheSouthKaibabTrail一节中“Theoverlookprovidesextraordinaryviewsofthevastcanyonthatwillmakehikers...letoutafew'oohsandhemselves..”可知，该景点因景色美得让游人经常发出ooh和aah的惊叹声而得名
22.A细节理解题
根据TheRimTrail一节中“This13-miletrailcanbeeasilyaccessedfrommultiplebusstops.”可知答案
23.B推理判断题
根据Wheretostay一节中“PhantomRanch...istheonlyindoorlodgingatthebottomofthecanyon..”可推断，希望在谷底室内过夜的游客只能在这里投宿
【答案与解析】本文是一篇新闻报道
文章主要讲述了正在美国肆虐的通货膨胀及其对普通人的影响
【模拟卷·英语（二）参考答案第2页（共4页）】BE
分析由$\left\{\begin{array}{l}{x-1≥0}\\{x≠0}\end{array}\right.$，令$\sqrt{x-1}$=t≥0，可得x=t2+1，可得f（x）=$\frac{t}{{t}^{2}+1}$=g（t），通过对t分类讨论，再利用基本不等式的性质即可得出．
解答解：由$\left\{\begin{array}{l}{x-1≥0}\\{x≠0}\end{array}\right.$，解得x≥1，
令$\sqrt{x-1}$=t≥0，可得x=t2+1，
∴f（x）=$\frac{t}{{t}^{2}+1}$=g（t），
当t=0时，g（0）=0；
当t＞0时，0＜g（t）=$\frac{1}{t+\frac{1}{t}}$$≤\frac{1}{2\sqrt{t•\frac{1}{t}}}$=$\frac{1}{2}$．
∴函数f（x）的值域是$[0，\frac{1}{2}]$
故答案为：$[0，\frac{1}{2}]$．
点评本题考查了函数定义域与值域的求法、“换元法”、基本不等式的性质，考查了推理能力与计算能力，属于中档题．
