2025届襄阳五中高三入学考试-(物理)试卷答案

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2025届襄阳五中高三入学考试-(物理)试卷答案试卷答案

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30.Onwhatbasisdidtheresearchersgettheirfindings?A.Howoldandwhatbreedsthedogsare.B.Howmanytimesthedogsreadthebook.C.Howdogs'brainsreacttodifferentspeeches.D.Howdogsgetfamiliarwiththelanguagesused.31.Whycouldolderdogshavestrongerdiscrimination?A.TheyhavemetmoredifferentspeakersB.Theyhavebeenexposedtostrictertraining.C.Theypossessabettersenseofcommitment.D.Theysharethespeakers'environmentlonger.DSocietytellsusweshouldsocialisetothefullest,andthatthosewhoaresurroundedbypeoplearethemostsuccessfulandthehappiest.Thesedays,we'realmostalwaysconnected,whetherinpersonorthroughourphonescreensandonlinesocialnetworks.Butthere'ssomethingtobesaidforsolitude()"Beingalonedoesn'tnecessarilymeanbeinglonely".Infact,spendingtimebyyourselfisanessentialelementofself-care.Aroundtheglobe,differentcultureshavewide-rangingperspectivesonwhatitmeanstospendtimealone.IfyouliveorhavespenttimeintheUnitedStates,you'reprobablyawarethatAmericanstendtorejectsolitude.Formanyyoungerpeople,weekendsarepackedwithsocialactivities,rangingfrombrunchwithfriendstodinnerpartiestogamenightstodrinkingatbarsandeverythinginbetween.TheUnitedStatesisn'ttheonlyplacewhereyou'llfindaheavyemphasisonsocialtime.AcrosstheAtlantic,theUnitedKingdomisknownforbeinganextremelyextroverted(country.AsurveyofBritsfoundthatmorethanhalfhadneverdoneandwouldbeunwillingtodoactivitieslikegoingtothemeparksorseeinglivemusicalone.MostBritsspendalmosttwiceasmuchoftheirleisuretimesocialisingwithothersastheydobeingalone.Thehomecanbeaplaceofrest,relaxationandrecharge-thatis,ifyoulivebyyourselforhavethespacetobealoneinyourhome.ThecountryinwhichpeopleareleastlikelytolivealoneisIndia,atabout4percentofthepopulation.Chinaisalsoquitefondofmultiple-personhouseholds,withonlyabout10percentofpeoplelivingbythemselves.Inmorecollectivistcultureslikethese,manyaspectsoflifearerelatedtocommunity.Thus,spendingtimealoneisn'tasingrained(根深蒂固的)asasocialconventioninplaceslikethese,andthegoodofthegrouptakespriorityovertheneedsofoneperson.32.Whatcanweleamnfromthefirstparagraph?A.Peoplecanbenefitmorefromsolitude.B.Peopletendtosocialisemorenowadays.C.Beingalonegenerallyequalsbeinglonely.D.Beingaloneenablespeopletobecarefree.33.WhichofthefollowingbestdescribesyoungAmericans?A.Imaginativeandwild.B.Responsibleandenergetic.C.Optimisticanddutiful.D.Outgoingandsociable.高三·英语第6页（共10页）

2025届襄阳五中高三入学考试-(物理)试卷答案第一部分

15.(14分)如图所示,光滑水平面上有一个圆心角为60^的光滑圆弧轨道,轨道底端与水平面相切。初速度大小为v0的小球(可视为质点)从水平面滑上圆弧轨道,小球从圆弧轨道飞出时的速度方向与水平方向成30^°角,已知小球质量为m,,圆弧轨道的半径为R=v0^22g,分离时小球与轨道在垂直于接触面方向上的速度分量相等,不考虑空气阻力,重力加速度为g,求:(1)圆弧轨道的质量;(2)从小球滑上圆弧轨道到与圆弧轨道分离时轨道对小球做的功;(3)小球再次回到飞出时的高度时与圆弧轨道的最高点之间的水平距离。

2025届襄阳五中高三入学考试-(物理)试卷答案第二部分（待更新）

4.北京时间2023年6月4日6时33分,神舟十五号载人飞船返回舱在东风着陆场成功着陆,航天员费俊龙、邓清明、张陆身体状态良好,神舟十五号载人飞行任务取得圆满成功。返回舱进入大气层后适时打开降落伞,逐渐减速下降。下列说法正确的是A.返回舱在空间轨道正常运行时的速度大于7.9km/sB.返回舱在空间轨道正常运行时的加速度大于9.8m/s^2C.返回舱从进入大气层到着陆的整个过程,返回舱始终处于失重状态D.返回舱进入大气层后,返回舱的机械能逐渐减小