贵州省贵阳市普通中学2023-2024学年度第二学期八年级期末监测考试(物理)试卷答案试卷答案,我们目前收集并整理关于贵州省贵阳市普通中学2023-2024学年度第二学期八年级期末监测考试(物理)试卷答案得系列试题及其答案，更多试题答案请捕获只因吧
贵州省贵阳市普通中学2023-2024学年度第二学期八年级期末监测考试(物理)试卷答案试卷答案
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43.Theweatherinwasthehottest.A.BeijingB.SingaporeCityC.HongKongD.Sydney(B)WiththedevelopmentofscieneechnoloydcionthefuturewillbeverydifferenPeoplewillusetheInternetmoretotakeclassesindifferentsubjectsindifferentplaces.Forexample,studentsmaytakeamathlessononline,upload(theirhomeworklaterandthensendittotheirteacherbyemail.Also,studentswillbeabletostudyatfamousuniversitiesinothercountrieswithoutleavinghome.Inthisway,studyingwillbecomemucheasier.What'smore,peoplewillspendmoretimestudying.Inthefuture,peoplewillchangetheirjobsoften.Manyofthemwillhavethreeorfourdifferentjobs.Sotheywillhavetogobacktoschooltoimprovethemselves.Asaresult,theywillmeetclassmatesofdifferentages.Whataboutthesubjectsatschoolinthefuture?Willtheychange?Yes,ofcoure.Childrenwillusecomputersatschoolfromtheverybeginning.Foreignlanguageswillbemoreimportantthen.Allchildrenwillleamtwoorthreelanguages.Theirabilitiestoearlanguageswillbegreat.Soitwillbeagoodideaforchildrentolearnmorelanguagesfromanearlyage.Inaword,educationwillbecomeeasierinthefuture.44.ThewriterthinksstudyingatfamousuniversitiesinothercountrieswillbeA.harderB.worseC.simplerD.stricter45.PeopleofdifferentageswillappearatschooltoA.improvethemselvesB.visittheirfavoriteschoolC.makenewfriendsD.testthemselves46.Inwhichpartofanewspapercanyoureadthispassage?A.HealthB.Education.C.Sports.D.Art.(C)To:XiaoLiSubject:AtravelplantoXi'anDearXiaoLi,MytimehereinChinaisgoingwell.Ilovemynewschoolandclassmates.OvertheOctoberholiday,myparentsandIareplanningtogotoXi'antoseetheTerracottaArmy.I'veheardthatitisanamazingsight,andIcan'twaittogo.Tome,thestoryoftheTerracottaArmyisalmostincredible.It'samazingthattherearemorethan8,000statues()andnooneinmoderntimesknewaboutthemuntilthe1970s.We'realsoplanningtovisitseveralotherplacesinXi'an.MydadandIarebothlookingforwardtogoingtotheShaanxiHistoryMuseum,becausemydadloveshistoryandIhaveheardthatthismuseumisknownasa"Chinesetreasurehouse"!We'realsogoingtotheXianCityWallandafewotherfamoussights.We'retakingthetrain,leavingthedaybeforetheOctoberholidaybegins.We'rearrivingat9:30a.m.andwillstartsightseeingrightaway,soIhopewesleepwellonthetrain!Iguessthat'sallfornow!I'llwriteagainsoonandsendphotos!Doyouhaveanyplansforthe线comingholiday?Hopetohearfromyousoon.Yourfriend,Richard47.Whatkindofwritingisthetext?C.Email.D.Story.A.Ad.B.News.九年级英语期中试题第4页共8页
二、非选择题:本题共5小题,共54分。11.(6分)某研究小组探讨自感对电路的影响。电路中电源内阻不能忽略,L的自感系数很大,其直流电阻忽略不计,A、B为两个完全相同的灯泡,当S闭合时,B灯面变亮;当S断开时,A灯熄灭。(均填“立即”或“缓慢”)
5.某款亮度可调的节能灯,其内部结构原理如图所示,通过滑动变压器副线圈的滑片P可以控制灯泡亮暗,变压器原线圈输入电压为u=2202(100t)V,,下列说法正确的是A.变压器副线圈输出电压的频率为100HzB.电键S断开时,变压器副线圈两端电压为零C.闭合电键S,滑片P向上滑动时,灯泡变暗D.闭合电键S,滑片P向上滑动时,副线圈输出电压变大
15.(16分)如图,一竖直放置的汽缸由两个粗细不同的圆柱形筒组成,汽缸中活塞I和活塞Ⅱ之间封闭有一定量的理想气体,两活塞用一轻质弹簧连接。活塞I、Ⅱ的质量分别为m、2m,面积分别为5、2S,弹簧原长为1,弹簧的劲度系数k=20mgl。初始时系统处于平衡状态,此时活塞I、Ⅱ到汽缸两圆筒连接处的距离相等且弹簧处于压缩状态,两活塞间气体的温度为T0。,已知气体的内能与热力学温度的关系为U=aT,活塞外大气压强为p0,g为重力加速度,忽略活塞与缸壁间的摩擦,汽缸无漏气,不计弹簧的体积。(1)求两活塞之间的距离;(2)缓慢降低两活塞间的气体的温度,求当活塞Ⅱ刚运动到汽缸两圆筒连接处时,活塞间气体的温度;(3)求活塞上移过程中,汽缸内气体放出的热量Q。
