[新乡三模]河南省新乡市2023-2024学年高三第三次模拟考试(24-428C)数学.考卷答案

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[新乡三模]河南省新乡市2023-2024学年高三第三次模拟考试(24-428C)数学.考卷答案试卷答案

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综合能力测试(14)参考答案及部分解析参考答案1-5BBCAC6-10ABCCA11-15BAABB16-20ABCAC21-25ACBCB26-30ABACD31-35CDACB36-40EDBFC41-45ACDBC46-50ADBCA51-55DACBD56.performance57.to58.beautifully59.isreduced60.What61.took62.tolet63.and64.forgiving65.amazing写作第一节Onepossibleversion:DearLucy,I'mwritingtoaskyoutocontributeanEnglishstorytoourschool'sradiostation.Itwillbeairedinourschoolduringtheafternoonbreak.Thetopicofthestorycanbeinspiringteenagersnowadaysorimportantpeopleinhistory.Hopefully,thestorycaninspirestudentsinonewayoranother.Inaddition,thestoryshouldbewrittenusingsimplewordsandshortsentences,sothatallofuscanfollowit.Thestorytobesharedshouldlastabout5minutes.So,canyourecommendastoryofabout300words?Lookingforwardtoyourreply!Yours,LiHua第二节Onepossibleversion:"David!David!"Mr.ManningcalledDavidoutsidehishome.Hearingthat,Davidwentoutside.HesawMr.Manningandatruck.Mr.Manningsmiledathim,"Iheardyoutalkingtoyourfriendatthestore.Iknowwhatyoudid.Iknowhowmuchyouwantedthosesneakers,andIsawyousellinglemonadeanddeliveringnewspapers.Andtoday,Isawyouletallthatwishgo,justtohelpafriendwhowasindeeperneedthanyouwere.Davidloweredhisheadoutofshyness.Mr.Manningcontinued,"AndIthinkthiskindoffriendshipoughttobecelebrated.Socomeon!Getonthebackofthistruckandpickupasmanypairsofshoesasyou'dlike.Don'tworryaboutthemoney;thisisallonme."Davidhesitated,andthenrantowardsthetruckwitheyesshininginexcitement."Hurry,we'llalsogotoyourfriend'shouse.Therearefreeshoesforhim,too!"【补充说明】takesb.aback:使某人震惊,使某人大吃一惊部分解析阅读第一节A篇

分析直接利用分式不等式的解法化简转化求解即可.

解答解:不等式$\frac{2}{x}$<-3即:$\frac{2+3x}{x}<0$,等价于(3x+2)x<0,解得x∈(-$\frac{2}{3}$,0).
不等式$\frac{2}{x}$<-3的解集是:(-$\frac{2}{3}$,0).
故选:D.

点评本题考查分式不等式的解法,转化思想的应用,考查计算能力.