河南省2023~2024学年上学期九年级期末核心素养检测-物理

河南省2023~2024学年上学期九年级期末核心素养检测-物理试卷答案,我们目前收集并整理关于河南省2023~2024学年上学期九年级期末核心素养检测-物理得系列试题及其答案，更多试题答案请关注微信公众号：考不凡

河南省2023~2024学年上学期九年级期末核心素养检测-物理试卷答案

以下是该试卷的部分内容或者是答案亦或者啥也没有，更多试题答案请关注微信公众号：考不凡

whichdancing,thevounghov.lookingoutthehosni..cherishfoodandkeepareasonablediet.Acrossthecountry,about20%ofallthefoodendsupinthetrash.Thatfoodwa1分，满cotheaveragefamilyoffourbouttakespaespace交换修改废弃物填埋扬》.Nowttimetogetcu6erg0tinerh处错误),并在foodandwaste.28.Whatisthepurposeoftheproposal?词下面A.Tostopfoodwaste.B.ToimproveMeituan'sprofits.一词；C.Toattractmorecustomers.D.TopromotethepopularityofMeituan.第1129.Whatdoestheunderlinedword"eliminate"inparagraph2mean?A.Restart.B.Recall.C.Research.D.Remove.tthe30.HowdopopularChinesevideoplatformsreacttothecampaign?tionhA.Negatively.B.PositivelyC.Doubtfully.wasD.Angrily31.Whatdoesthelastparagraphsuggest?tativeA.Foodcostsfamiliesmuchmoney.erveB.Mostofthefoodpeopleboughtiswasted.C.Foodwastecausesdamagetotheenvironment.waD.Customersshouldhaveagoodrelationshipwithothers.estBasedonboneandtoothrecords,mammoths()werethoughttohavegoneextincttoabout12,000yearsago.Butanewgeneticsamplingtechniquesuggeststhegreatbeastsmayhavestuckaroundalotlonger.Thestoryisinthesoil.Bonesarerichsourcesofprehistoriegeneticinformation,butnottheonlyones;itemsrangingfromshedIceAgeskincellstopineneedlescancontributetothegeneticrecordstoredindirt..Paleogeneticists(古遗传学家)havebeenanalyzing“environmentalDNA”fromsoilfor0alongtime,butgettingridofnon-DNAmaterialwithoutdestroyingthesefragilecluesisdaunting(使人气馁的)."EnvironmentalsamplescontainahugerangeofotherchemicalsubstancesthatarehardtoseparatefromtheDNA,"saysMeMasterUniversitygeneticistTylerMurchie."Wecan'taffordtolosewhateverwecanget.Inthenewapproach,soilsamplesaregotandthenbrokenintosmallerportions,stirredandrunthrougha"coldspinmethod"toseparateasmuchDNAaspossible.TheDNAisthencomparedagainstanexistinggeneticlibrarytodetectspeciesmatches.ThemethodislimitedbecauseresearchersusingitneedtoknowwhatDNAtolookfor.Ifasaber-toothedcatspeciesisnotalreadyinthegeneticlibrary,forexample,theanalysiscannotdetectthatanimal.Forknownspecies,however,theprocessmayyieldexcitinginformation.Intheirstudy,theresearchersdetectedabout2,100kindsofplantsand180animals.Notyetpublishedresultsfromotherfieldsitesareyieldingsimilarresults,Murchiesays,andfuturefossildiscoveriescouldstrengthenthecase."Wecanusethisapproachtoidentifyspeciesinplacesandtimesweneverknewtheyexisted,"headds.32.Whydoestheauthormention"mammoths"inparagraph1?A.Topresentafact.B.Toshowusanextinctanimal.C.Tocorrectamistake.D.Tointroducethetopicofthepassage.【2023年分科诊断测试卷（五）·英语，第5页（共8页）】

河南省2023~2024学年上学期九年级期末核心素养检测-物理第一部分

(3)平衡摩擦力后,多次改变重物的质量,测出每次改变后重物的质量、根据纸带求得每次实验小车运动的加速度a,作1a-1m图像,如果牛顿第二定律成立,则作出的图像可能是

河南省2023~2024学年上学期九年级期末核心素养检测-物理第二部分（待更新）

10.如图所示,真空中有三个点电荷固定在同一直线上,电荷量分别为Q1、Q2和Q1Q3,Q2与Q3的距离为与Q2距离的2倍,每个电荷所受静电力的合力均为零,若用“+”“”号表示电荷带正负由,=个电荷量之比Q1:Q2:Q3可能为A.(-3):2:(-6)B.(-9):4:(-36)C.3:(-2):6Q2Q3D.9:(-4):36D.9:(-4):36