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2023-2024学年度八年级第二学期阶段性测试卷(3/4)-(物理)试卷答案试卷答案

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mid-termexamination.Everyonehadagoodtime.Ontheway,wesawprettyflowersandtookmanyphotos.Oncewereachedthechosensite,weenjoyedadeliciouspicnicfirstandthenplayedinterestinggames.EverybodywasveryexcitedThisoutingnotonlybroughtusgreatpleasurebutalsorelievedusofthepressurecausedbytheexam.Mostimportantofall,ithelpedtostrengthentherelationshipamongus.第二节Onepossibleversion:Ijumpedoffthechairandstartedchasingcricketswithmyboys.Theywereeverywhere.Everytimewetriedtoputacricketintothecontainer,anotheronewouldjumpout.Weyelledwithexcitement,laughinguncontrollably.Theclockwasstillticking,butwedidn'tcare.Fifteenminuteslater,wegotallofthelittleguysintotheirbox.Onceweweredone,myboysenthusiasticallyhelpedmegetreadyforthedinner.Itbecameagametoseeifwecouldmakeitintime.Wewereallinsuchafabulousmood.Ourguestsarrivedandwehadawonderfuldinnerparty.Theboyshelpedmetellthemallaboutour"strangeinsectsproblem".Allofusbrokeintolaughteragain.Forweeksafter,lookingbackonthatdayalwaysmademecrackasmile.ThatmomentisaconstantremindertomethatIshouldneverletfrustrationkeepmefromenjoyinglife.Thingswouldgowrong.Keepcool,andtakeafewdeepbreaths.Don'tletangerdominateyou.Trytothinkofsome-thingthatbringsyoujoy.You'llfindsomethingifyoutry.附：听力部分录音材料(Text1)M:Coffeeasalwaysorwouldyouliketotrysomeofournewtea,MrsWilliam?W:I'dloveto,Ed,butI'vebeentakingpillsrecently.Sowaterisfine.Thanks.(Text2)M:Thankgoodness.It'slunchtime!MystomachwasmakingnoisesloudlyduringMrsSmith'sclass.W:Aha.Ithinkshealsoheardthenoises.Sheglancedatyouseveraltimes.(Text3)W:Youhavekeptthetemperaturetoolowinthisroom.Youmightgetacold.Justmakeitalittlewarmer.M:Inamoment,Mom.It'shotoutside.Ireallyneedsomecoolairnow.(Text4)M:Idon'toftenvisitmuseums,butIliketowheneverpossible.W:I'venevervisitedtheModernMuseum,butIplantotomorrow.在·38【23新教材·DY·英语·参考答案一R一必修第二册一N】

2023-2024学年度八年级第二学期阶段性测试卷(3/4)-(物理)试卷答案第一部分

2.关于水杯里40^C的热水和高压锅内110^C的水蒸气,下列说法正确的是A.热水中的分子平均动能比水蒸气中的分子平均动能大B.相同质量的热水的内能比水蒸气的内能大C.热水中的每个分子的速率一定比水蒸气中的分子速率小D.水蒸气中的分子热运动比热水中的分子热运动剧烈

2023-2024学年度八年级第二学期阶段性测试卷(3/4)-(物理)试卷答案第二部分（待更新）

(1)为验证电阻丝粗细是否均匀,一同学用螺旋测微器在电阻丝不同位置各个方向上测量了金属丝的直径。某次测量结果如图所示,金属丝直径的测量值为cm,由此可以求得该金属丝的电阻率约为◻⋅m(电阻率的计算结果保留三位有效数字)。