[今日更新]河北省2023-2024学年度九年级第一学期期末学业质量检测(ZX).物理试卷答案

[今日更新]河北省2023-2024学年度九年级第一学期期末学业质量检测(ZX).物理试卷答案试卷答案,我们目前收集并整理关于[今日更新]河北省2023-2024学年度九年级第一学期期末学业质量检测(ZX).物理试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)

[今日更新]河北省2023-2024学年度九年级第一学期期末学业质量检测(ZX).物理试卷答案试卷答案

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whattoexpectbeforetheytravel.That'swhythebesttraveliswhenit'sforthefirsttime.ImagineapersonwhohasalwayswantedtotraveltotheUnitedStates.Ofcourse,they'veprobablyseentheStatueofLibertyathousandtimesonTV,andtheWhiteHouse,andalltheotherfamoussights.Butnoneofthatwouldcomparetotheexcitementoflookingoutofthewindowastheplanelands,watchingthecitiesandstreetsoftherealAmericacomeintoview.Althoughtravelisoftenjustforrecreation,it'salsoeducational.Wemaynotknowthatwearegettinganeducation,butwestillare.We'relearningeveryday:newwordsinanewlanguage,newpeople,andnewwaysoflife.Butthislearningtakesplaceintheschooloftheworld,nottheclassroom.Aswegettoknowforeignplaces,wecometounderstandthattherearemanydifferentwaystolive,andthatthewayweliveisn'tnecessarilythebestway.28.TheauthorusesMarcoPoloandZhangQianasexamplesto_A.explainhowtheSilkRoadwasfounded.B.presenttravelasanamazingexperienceC.showZhangQianandMarcoPoloaregreat.D.describeimportantculturalexchangesinhistory.29.Bysaying"thebesttraveliswhenit'sforthefirsttime",theauthormeans_A.one'sfirsttripisusuallythemostchallenging.B.noothertripisbetterthanone'sfirsttrip.C.thereisalwaysmuchtolearnonone'sfirsttrip.D.peopleusuallymakebetterpreparationsfortheirfirsttrip30.Theunderlinedword"recreation"inParagraph4probablymeans.A.fun.B.sight.C.learning.D.knowledge.31.Accordingtothelasttwoparagraphs,theauthorbelievesthatA.travelingshouldbeincludedinformaleducation.B.travelingimprovespeople'sconfidenceintheirlifestyle.C.foreignjourneyscanenrichpeople'sknowledgeoftheworld.D.foreignwaysoflifearebetterthanourownwayoflifeathome0Angerisgoodforyou,aslongasyoucontrolit,accordingtonewpsychologyresearch.AnewstudyfromCarnegieMellonUniversityshowsangermayhelppeoplereducethenegativeeffectsofstressandhelpyoubecomehealthier."Heregettingemotionalisnotbadforyouifyoulookatthecaseofanger,"saidJenniferLernerofCarnegieMellon."Themorepeopleshowanger,thelowertheirstressresponses."Lernerstudied92UCLAstudentsbyaskingthemtocountbackfrom6,200.Theymustsayoutloudeverythirteenthnumber.Researchersdisturbedthembyaskingthemtocountfasteroraskthemotherquestions.Iftheymadeanymistakes,theyhadtorestartfromtheverybeginning.Manystudentsfeltupsetaboutmakingsomanymistakesorgotangry.Lernerusedahiddenvideocameraandrecordedalltheirfacialexpressionsduringthetest.Theresearchersdescribetheirreactionsasfear,anger.Otherresearchersrecordedthestudents'bloodpressure,pulseandproductionofahigh-stresshormone()calledcortisol.Peoplewhosefacesshowedmorefearduringtheexperimenthadhigherbloodpressureandhigherlevelsofthehormone.Bothcanhavelastingeffectssuchasdiabetes(),

3.如图所示,小球用细线悬于天花板上,使小球在水平面内做匀速圆周运动,悬线与竖直方向的夹角为0.小球做圆周运动的周期为,若使小球在竖直面内做单摆运动,则单摆运动的周期为B.TD.Tcosθ

6.在静电场中建立平面直角坐标系,且以无穷远处的电势为零,该静电场中4个点的电点的6.势如图所示,则下列关于该静电场的说法正确的是A.可能是负点电荷形成的电场B.可能是正点电荷形成的电场C.一定是匀强电场,电场强度的方向沿x轴正方向D.一定是匀强电场,电场强度的方向沿x轴负方向

9.如图,一带正电的粒子从靠近A金属板的K点处由静止出发,经A、B金属板间加速电U0U1U,加速后,沿直线运动打在光屏上的Q点;现再在金属板C、D间加上一偏转电压U,、子将打在光屏Q点正下方的P点。下列说法正确的是v11AU0BQ0PDA.A板带负电,C板带正电B.若只把B板稍微右移,粒子经过B板时的速度不变C.若只把B板稍微右移,粒子在AB板间运动的时间变长D.若只把D板下移,粒子将打在P点下方