2024年陕西省初中学业水平考试全真模拟卷（五）数学.考卷答案

2024年陕西省初中学业水平考试全真模拟卷（五）数学.考卷答案试卷答案,我们目前收集并整理关于2024年陕西省初中学业水平考试全真模拟卷（五）数学.考卷答案得系列试题及其答案，更多试题答案请关注本网站↓↓↓

2024年陕西省初中学业水平考试全真模拟卷（五）数学.考卷答案试卷答案

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fartherbackintime.Theearlyhumansshapedbonesintosharpblades,whichwereusedtotakeapartanimals'remains,accordingtoRowe.Therearealsosignsthattheycookedtheanimalbonesoverafiretomeltoffthefat."Therealevidencethatwehavehastodowiththebreakagepatterns,andhowthoroughtheyare.Theymusthaveusedrocksorhammerstonestobusttheskeletonapart...Thesepeoplewouldusewhatevertheycould,RowetoldUSAToday.32.WhatcanbelearntabouttheearliesthumansinNorthAmerica?A.Theyarrivedthere16,000yearsago.B.Theycausedmammothtodisappear.C.TheybelongedtotheClovisculture.9y1小1i【.D.Theycouldmaketoolswithbones.i5)133.Whyarethefindingssimilartothenewoneignored?A.Theylack.agoodchance..B.Theyfailtodrawattention.C.Theydisagreewithearlierresearch.D.Theyaren'tstudiedscientifically.34.HowdoesRowefindthenewdiscovery?.20ei'7,A.Annoying.B.Inspiring.C.Puzzling..D.Embarrassing.35.Whatcanbeasuitabletitleforthetext?oy1sif人3f29i3WA:EvidenceofEarlierHumans':ArrivalinNorthAmericaB.TheEarliestHumans'SettlinginNorthAmericaC.TheEarliestToolMakersinNorthAmericaD.ResearchonMammothsinNorthAmerica)第二节（共5小题；每小题2分，满分10分）根据短文内容，从短文后的选项中选出能填人空白处的最佳选项

选项中有两项为多余选项

i6f,)ri2n0b5Travelinginthesamecar.withseveralpeopleisanexcellentidea,whichallowsonetosaveonfuel.Inthepast,fewofuswouldgotothecompanyorworkplacetogether.36Weshareacareverydaywithpeoplewhomwedonotknowanythingabout.WejustneedtoconnecttotheInternetoruseamobileapptofindtheperfecttransportforus.37Itmakespracticalsensetousetoolsatourhandstoconnectwithpeoplewhowouldliketosharecarstogether.Toolslikemobileappshelpcontributetosharingoptions.Undoubtedly,carpooling()isanexcellentoptiontosavesomemoney.Italsoad-justsourmonthlybudgetforotheractivities,butthetruthisthatthistypeoftransportisalsomuchbettersuitedtoimprovethetrafficconditionsofcities.38Practicallyspeakingmanytimes,weseeheavytrafficbutuponfurtherfindingwewouldseemanycarswithonlyonepassengerinit.Ratherthanbeingaloneinaheavytrafficsitua-tion,whynothavepassengers?39Atthesametime,youcanalsohaveamazingconver-sations.Spendingontransportationispartofwhatweconsidertobefixedexpensesinafamily,份,205【高三英语第7页（共10页）】2005C·QG·

分析利用奇函数的性质推出m的值，代入计算即可．

解答解：∵f（x）=$\frac{x+m}{{x}^{2}+1}$是定义在R上的奇函数，
∴f（0）=0，即m=0，
f（1）+f（-1）=0，
∴f（m）=f（0）=0，
∴f（1）+f（-1）+f（m）=0，
故答案为0．

点评本题考查了奇函数的性质，属于基础题．