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2024年河北省初中毕业生升学文化课模拟测评（九）数学.考卷答案试卷答案
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Amazonbasin.Whatthegroupfoundwasstarting:whilemostoftherainforeststillretainsabilitytoabsorblargequantitiesofpeciallyinwetteryearsoneprtionoftheforest,whichisespeciallyheavilydeforested,appearstohavelostthatcapacity.Gatti'sresearchsuggeststhissouth-easternpartoftheforest,about20%ofthetotalarea,dhasbecomeacarbonsource."Eachyearisworse,shetoldNewsnight.Weobservedthatthisareainthesouth-eastisanimportantsoureofcarbon.Anditdoesn'tmatterwhetheritisawetyearoradryyear.2017wasawetyear,butitdidn'tmakeanydifference."Aforestcanbecomeasoureeofearbonratherthana"store",or"sink",whentreesdieandcmitcarbonintotheatmosphere.AreasofdeforestationalsoconributetotheAmazon'sinabilitytoabsorbcarbon.CarlosNobre,whoco-authoredProfGatti'sstudy,calledtheobservation"veryworrying"because"itcouldbeshowingthebeginningsofamajortippingpoint".Hebelievesthenewfindingssuggestthatinthenext30years,morethanhalfoitheAmazoncouldtransformfromrainforestintosavanna(稀树草原).32.WhatcanbeconcludedfromParagraph2?A.Loggingandfiresshouldbeheldresponsibleforalldeadtrees.B.AmazonrainforestcannolongerabsorbasmuchCO2asbefore.C.GrowingtreesareabletoabsorbandreleaseCO2atthesametime.D.Morethan20%oftheAmazonrainforesthasbecomeanetsourceofCO.33.WhichofthefollowingmightProfessorLucianaGattiagreewith?A.MostoftheAmazonrainforestabsorbsmoreCO2inwetteryears.B.TheAmazonrainforestisonitswaytobecomingthebiggestsourceofcarbon.C.Deforestedareastendtoperformbetterintermsofabsorbingcarbonindryyears.D.TheAmazonrainforesthascompletelylostitsabilitytoslowthepaceofglobalwarming34.Whatdoestheunderlinedwordprobablymean?A.ConfusingB.Convincing.C.StrikingD.Disgusting.35.Whatwouldbethebesttitleofthispassage?omd1o918211n1021n9A.Deforestationorreforestation?ronBbasnollsisqooomso).lwgnone,allalsonB.Acarbonabsorberoracarbonmaker?C.CheeringnewsabouttheAmazonrainforestD.ThrillingfactsabouttheAmazonrainforest英语试题第8页（共12页）
分析曲线表示双曲线，则分母异号，由此可得不等式，从而可确定m的取值范围．
解答解：由题意，∵$\frac{{x}^{2}}{3+m}$+$\frac{{y}^{2}}{2-m}$=1表示双曲线，
∴（3+m）（2-m）＜0
∴m＜-3或m＞2．
故答案为：m＜-3或m＞2．
点评本题考查双曲线的标准方程，考查解不等式，属于基础题．
