陕西省2023-2024学年横山二中九年级第一次强化训练试题数学.考卷答案试卷答案,我们目前收集并整理关于陕西省2023-2024学年横山二中九年级第一次强化训练试题数学.考卷答案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/直接访问www.kaobufan.com(考不凡)
陕西省2023-2024学年横山二中九年级第一次强化训练试题数学.考卷答案试卷答案
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Yet,runningonanemptystomachmaynotbesafeforeveryone.Itmightevenholdbackyourfitnessgoals.5.Whichofthefollowingcanreplacetheunderlinedword"fasting"inparagraph2?A.Stayinguplate.B.Noteatinganything.C.Lyingawake.D.Acceleratingyourpace.6.Whatistheauthor'sattitudetowardfastedrunning?A.Objective.B.Approving.C.Doubtful.D.Critical.7.Whatwillprobablybediscussedinthefollowingparagraph?A.Examplesofathleteswhopracticefastedrunning.B.Furtherresearchonthebenefitsofregularrunning.C.Harmfuleffectsofrunningonanemptystomach.D.Otherbenefitsthatfastedrunningcanbringabout.8.Whatistheauthor'smainpurposeinwritingthispassage?A.Topresenttheresearchresultsconcerningregularrunning.B.Toadvisereaderstorunonanemptystomacheverymorning.C.Toraisereaders'awarenessoftheharmfuleffectsoffastedrunning.D.Toinformthereadersofthebenefitsanddrawbacksoffastedrunning.【语篇导读】本文是一篇说明文
空腹跑步最为人知的就是它对脂肪燃烧的惊人效果，但空腹跑步是否适合所有人或者说空腹跑步是否有负面影响，本文对此进行了探讨说明
5.B词义猜测题
根据第二段中的Somepeopleliketorunonanemptystomach.Theyoftendothisinthemorning,afteratleast6to8hoursofovernightfasting..可知，overnightfasting是指至少6一8小时的夜间禁食
6.A观点态度题
从整篇文章结构分析，文章先阐述了空腹跑步的优，点，然后从多次实验报告中的结果分析证实它的好处；最后一段谈到空腹跑步的不利方面
文章结构层次分明，作者只是客观报道和分析空腹跑步的影响
7.C推理判断题
根据最后一段Yet,runningonanemptystomachmaynotbesafeforeveryone.Itmightevenholdbackyourfitnessgoals.可知，接下来作者应该谈空腹跑步对健康的不利影响
8D写作意图题
从整篇文章内容可知，本文以理论和实验结果论述了空腹跑步的优，点，最后一段谈到它的不利方面，由此可知，文章写作的主要目的就是向读者讲述空腹跑步的利弊
二、七选五（共5小题；每小题4分，满分20分）根据短文内容，从短文后的选项中选出能填入空白处的最佳选项
选项中有两项为多余选项
Thedooropensandyouareamazedatseeingpeoplejumpingandflyingaroundlikesuperheroes.Calmdown,youarenotinanactionfilm,justatrampoline()park.InrecentyearstrampolininghasbecomeanewcrazeamongChineseyouths.Shortvideosareregularlyuploadedtosocialmediashowingpeople'sexcitementaboutjumpingbackandforthonthecolorfultrampolines.Mostvideosfeatureteenagers.9MsShi,a28-year-oldfromBeijing,goestotrampolineparksalmosteveryweekend.Shesaid,"WhenIwasachild,Ilovedbouncingupanddownonthetrampolines,thoughtheywerejustsmallandsimpleones.Theymademefeelfreeandhappy.10It'struethattoday'strampolineparksarebigger,moreprofessionalandmorecreative.11Youcanobviouslyjump,playintheinflatables(),orshootbasketballslikeanNBAsuperstar.Also,ifyou'rebraveenough,youcanlearntowalkonthewall."Trampoliningissomuchfun.Itdoesn'tfeellikeexercisingatall,"MsShisaid.l2AccordingtoRobertSmith,aBritishsportstherapist(治疗师)，“Thetrampolinepadisbouncyandabsorbsalargeamountoftheimpactofyourlanding,soyourbonesandjointsareprotectedandstrengthenedatthesametime.”Unlikeplayingsoccer,basketball,tennisoranyothercompetitivesports,theriskofinjurywhiletrampoliningisrelativelylow.13"Youmustdowarm-upexercisesbeforeplaying.Andyoucan'tlose·18·
13.(11分)花样滑冰是冬奥会上最受欢迎的运动项目之一。某次训练中一运动员甲以自己为轴拉着另一运动员乙做圆锥摆运动的简化图如图所示。若乙的质量m=42kg,,伸直的手臂与竖直方向的夹角=37^,,转动过程中乙的重心做匀速圆周运动的半径r=1.2m。。取重力加速度大小g=10m/s^2,37^=0.6,37^=0.8。求:(1)乙恰好能离开冰面时,乙的角速度大小ω;(2)当乙的角速度大小'=10rad/s时,甲对乙拉力的大小F
