• 2022-2023学年湖北省武汉市部分重点中学高一(下)期末物理试卷

    17:1989H四491令76UI=U,可知Rm1I0V,乙灯被烧毁,UmR甲,甲灯又与滑动变阻器并联,并联电阻小于Rz,所以Uz>U并,乙灯被烧毁,甲灯不能正常发光。对于C电路,乙灯与滑动变阻器并联后的电阻可能等于R甲,所可能出现=Uz=110V,两灯可以正常发光。对于D电路,若滑动变阻器的有效电阻等于甲、乙的并2/4【高二物理·参考答案第1页(共4页)】·23-155B·联电阻,则U甲=Uz=110V,两灯可以正常发光。比较C、D两个电路,当灯甲、乙均正常发光时,由于C电路中滑动变阻器功率为(1甲一12)×110V,而D电路中滑动变阻器功率为(1甲十12)×110V,所以C电路消耗的电功率最小,选项C正确。9.AC【解析】串联电路中各处的电流相等,根据欧姆定律得I是=0,.2A,选项A正确:根据欧姆定律得RR-号=40Q,选项B错误:电阻R两端的电压U,=R,=2V,总电压U=U,十U,+U,=14V,选项C正确,D错误。10.BD【解析】由题意知,带电粒子在电场中做匀减速运动,当粒子恰好能到达N板时,由动能定理可得一qU=一22,要使粒子到达两金属板中间位置后返回,设此时两金属板间的电压为U,粒子的初速度为功,由动能定理可得一9号=一之m,联立两式得号-器选项B,D均正确,1.AC【解析】因电场是匀强电场,D点是AB的中点,故D点的电势D=卧士=10,所以W=q(mc)=8×106J,选项A正确:设电场的方向与AB的夹角为a,则a≠0,否则等势面与AB垂直,C点的电势就会高于B点的电势E-学一品德。。因0CaK登故osa1,E>8Vm选顶C正确。12.CD【解析】把等效电路图画出,如图甲所示,设R=R,R。=R一R,则R外=R+十R+R一B),当R一要时,R,有最大值,当滑动变阻器的滑片由c点向a点滑动时,R战小R十R十R滑R增大,易得R,减小,R=R十r减小,山=忌增大,故电源内阻消耗的功率卫=,指大,选项D正确UeU=E-1(+R减小瓷减小放Pa=R减小,选项B错误:面6=1I3增大,故P2=I22R2增大,选项A错误;根据电源输出功率与R外的关系图(图乙)可知,当R外>r时,R外减小,电源输出功率增大,选项C正确。R13.(1)60(2分)(2)7.0(1分)(3)3.50(1分)【解析】(1)因为选的是“×10”挡,所以读数为6.0×102=602。(2)用直流10mA挡测电流时,读数为7.0mA。(3)用直流5V挡测电压时,读数为3.50V。14.(1)开关未断开(1分)电阻箱阻值为零(1分)(2)见解析图(2分)1.37(1.33~1.41均可)(2分)1.2(1.0~1.4均可)(2分)【解析】()在电学实验中,连接电路时应将开关断开、电阻箱的阻值调到最大,确保实验仪器、仪表的安全。(2②)根据闭合电路欧鹅定律E=1(R十),即R-号-,=E·子-,即R-子图像为直线,描点连线后图像【高二物理·参考答案第2页(共4页)】·23-155B·如图所示,根据图像可知r=1.20,图像的斜率为电动势E,E=84一(-一1.2V1.37V。101R0A

  • 2022-2023学年辽宁省沈阳市市级重点高中联合体高二(下)期末语文试卷

    写作上是写实的,鲁迅的小说《狂人日记》里面虽然运用了象征意义,但用了写实笔法来写,这种严肃的态度持续不断。直到后来,社会比较安定些,知识阶级的生活也安定下来,于是严肃的态度改变了,产生了言志载道的问题。新文学初期反对载道,这时候便有人提倡言志。所谓言志,其实是玩世不恭,追求趣味。趣味只是个人的好恶,这也是环境的反映,当时政治上还混乱,这种态度是躲避。他们喝酒,喝茶,谈窄而又窄的身边琐事。当时许多人如此,连我也在内,但这种情形存在的时间很短,从言志转到了幽默。为幽默而幽默,一面要说话,一面却要没有意义,这也是一种极端。生活的道路,越走越窄,一切都没有意义,变成耍贫嘴,说俏皮话,这明明白白回到了消遣。民国十四年(1925年)五州运动以后,反封建、反帝更是迫切。于是文学运动又回到严肃。现在更是严肃的时期。新文学开始时反对文以载道,但反对的是载封建的道。到现在快三十年了,看看大部分作品其实还是在载道,只是载的是新的道罢了。新文学运动三十年间虽有许多变迁,但文学大部分时间是工具,努力达成它的使命和责任,与社会的别的方面是联系着的。一九四七年五月五日(摘编自朱自清《文学的严肃性》)材料二:文学的严肃性,首先在于文学的真诚性。一位创作者在创作之初可能不会对严肃与不严肃做太多的考虑,或者根本就不必去考虑,但他对自己创作所持的态度真诚与否是清清楚楚的。同样,真正有鉴赏力的读者也能够体会和感觉到这一点。艺术作品是否真实地反映了特定时代下的人的生存状态、情感世界…是否具有自身内在的艺术生命力,这是作为人学的文学基本生命之所在。从这个意义上,我们说,民歌俚曲未必不严肃,奉命之作甚至圣人或官人所言未必真严肃。《西游记》《三国演义《水浒传》《红楼梦》之所以“是千古不朽高耸于世界文学巅峰”的文学名著,不是因为它们是那个时代“俗得不能再俗的文学样式”,而是它们以真正的文学艺术的形式反映了那个时代的社会历史风貌,体现出对那个时代的人的命运的关注和作家本人伟大的人文主义情怀。无论是国风、唐诗、宋词、元曲,还是四大古典小说,它们之所以是优秀的艺术作品,不是官方册封,也不是圣人训定,更不是因通俗而流行的,为当时民众一时所喜好,而是因为它们深蕴着使文学成为文学的东西,正是这些使它们真正成为文学史上的座座丰碑。文学的严肃性,还在于其艺术的严肃性。文学作为一门艺术,它是有艺术自身内在的规定性和规范性的。真正的艺术创作者必定具有强烈的社会责任感,文学创作作为一种社会性的审美活动,不存在完全的个人创作,创作者必须对艺术负责,对社会负责,但仅这些还远远不够。艺术创作必须遵循艺术自身的规律,绝不是粗制滥造的无病呻吟、矫揉造作的忸怩作态,更不是在商业利润驱动下的粗陋不堪的生物自然主义的描写。(摘编自宁秀丽、赵庆国《我们需要严肃的文学》)1.下列对材料相关内容的理解和分析,不正确的一项是(3分)A.传统文学里,文被道压制,新文学要提高文的地位,认为文学有重大的使命和意义,此后,文的地位超过了道。B.新文学作品其实大部分还是载道的,只不过载的是新的道,这跟中国现实的严峻性以及新文学的使命和责任有关。C.崇尚“奇”是中国小说的传统,这一特点从唐代的传奇、志怪小说,明代的“拍案惊奇”等小说都可看出。D.文学的严肃性既体现在文学的真诚性,也体现在艺术的严肃性;但凡虚情假意、粗制滥造的文学均非“严肃”的。【高三语文第2页(共8页)】804C·GDONG·

  • 2022-2023学年广西南宁市普高联盟高二(下)期末物理试卷

    球的密度p=小,选项B,C错误;开关断开后,由于L灯分得电压变大,所11.解:(1)设A球沿圆柱面滑至最低点时逸,心以L,变亮,选项D正确.)B系统的机械能守恒4.C(解析:升降机以最大加速度运动用时间最短,达到最大功,上的由机械能守恒定律得:2mgR-2mgR=速度时间1=。=8s,=乞1=32m,由减速过程时间,位移与(3分)2·21减小过程M4加速相同,△x=(104-32×2)m=40m的距离为匀速,At=又m=√2g(2分)撞单3TR体内△x=5s,所以最短时间为21s,C正确.)解得v=22-2(2分)正确时间5.B(解析:设碰撞后瞬间两物块的速度为,碰撞过程中,根度升.7)n据动量守恒定律有m。=2mm,两物块在空中运动的时间t=(2)当A球的速度为0时,A球沿圆柱面运动的移最大为:化,根据机械能守恒定律得:62(2)。、2,A项错误;根据平抛运动规律可知h=26-2,B2mg2RV4R-了-mgs=0(3分)分)ABC项正确;两物块碰撞过程为完全非弹性碰撞,有动能损失,平解得s=√3R(2分)带入变成程地运动的初始动能小于分m,则落地时动能小于分m+2解:(D设粒子在P点时的动能为B,则制毙为2E.在②在=4,但单原子2mgh,C项错误;根据能量守恒定律,两物块碰撞过程中损失M点的动能为1.25E,由于洛伦滋力不做功,粒子从O点到P点和从P点到M点的的压和-的机被能△上-m-·2m=m,D项错误)③在的是过程中,电场力做的功大小分别为W,、W,界对(射6.AC(解析:由电荷数守恒与质量数守恒可知X的质量数为由动能定理得-W1=E,-2Ek(2分)14.(4,电荷数为2,核反应方程为U-一→2T+He,所以此核W2=1.25E.-E,(2分)点滞放电反应方程中的X代表的粒子为α粒子,故A正确;半衰期与。(2分)反,月相当外界的温度等条件无关,故B错误;此反应是α衰变,由于发项B生质量亏损而释放能量,故C正确、D错误.)会突(2)O点和P点及M点的电势差分别为小,南流多7AB(解析:卫星在1,3轨道时绕地球匀速图周运动,由qUw-0.75E(2分)电q电辟=矿知r大0小,>,A正确;在A,B点改变轨道时需加设OP连线上与M点电势相等的点为D,由几何关系得OP20cr较亮的长度为5m,沿OP方向电势均匀下降,速,机械能在变大,E

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    0◇0◇0◇0⊙0→09lesson that ngn.61-70(0nep0351第一节短文改错(共10小题;每小题1分,满分10分)61.significantly假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处,每处错误假定你是校生物俱乐部的负责人李华,你们俱乐部将组织成员下第二节书面表达(满分25分)63.reliance周六去野外采集植物标本,请写一则英语通知,告知俱乐部的留学生此65.be cut67.was69.an仅涉及一个单词的增加、删除或修改。增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。1.活动目的;2.活动时间和地,点;3.注意事项。事,内容包括:短文改错(OneLast Friday,a删除:把多余的词用斜线)划掉。competition v修改:在错的词下划一横线,并在该词下面写出修改后的词。注意Competitor se.词数100左右;Competitorsrequiring to注意.每处错误及其修改均仅限一词;2.可适当增加细节,以使行文连贯。required2.只允许修改10处,多者(从第11处起)不计分参考词汇:标本specimen3 minutes.TYears ago,I purchased a laptop with my money earning from part-timetheir wondjobs.I would place them on the desk next to my bed.One evening,I eatapplause.Tthe judgessomething hot and salt.So I put a large cup of water on the desk in casewas an sadeveloprthirst at night.The cup was about twenty centimeter away from my laptop.develorI didnmMy roommate reminded me,"What if you knock over the cup?"Consider Iofthemwas always in a luck,I replied,"No worries."However,at midnight,Iitmysknocked the cup down careless,making my laptop fail to work.I regrettedat地书not having listened to my roommate's advice,what really gave me a bigghome with my classmate.Arriving there,some of us started helped clean the yard while第13期B1版Keysclassmateshelping七选五(一)1-5 BDFCE(二)1-5 ADGFEothers talked with the old.We also performed on two short plays for them,what made语法填空(One possible version)which1.compared2.kilometers 3.where4.attached5.visiting6.a7.remarkably 8.than9.surprising10.confirmationthem roar with laughter.We learned that they were taking good care of and lived ataken短文改错(One possible version)I volunteered in A old people's home during my summer holidays.I was so excitedhappy life there.After lunch,we returned home and shared the experience with theirouranthat I got up quite earlier in the moming.After breakfast,I ride my bike to the old people'sparents.We all agreed we should visit the old people whenever possiblyearlyrodepossible(特别提示:参考答案见下期B版中缝

  • 狪犬的拼音_狪犬的读音_狪犬的英文

    第二节(共5小题:每小题2.5分,满分12.5分)”阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。It's OK to do a little comfort shopping,especially in these tough times.36.Here area few ways to start controlling that stress-spending and start saving a little smartertoday.Make a budget.Don't just think about it in your head.You have to write it down.If it'snot written down,then it's not a budget.Once you've taken into account the necessities likefood,shelter and savings,don't forget to put aside some money for fun.Whether your funbudget is$5a week or$50 a week,it's important to set that money aside.Money is not justmeant to be responsible with.37Before you reach for the fun-budget money,make sure that what you are buying is alove,a thing that will bring you lasting joy.38.Likes are short-term joy.It means you'llforget these things in less than a year.Wants are just instant satisfaction and you're not goingto be interested in such things even a day later.Sound familiar?We have all purchased some wants-whether it's a T-shirt or a bag thatare now gathering dust in the closet.39,because not only you're spending money thatyou don't have,but you're actually making your life less enjoyable.40.It's a muscle that you just need to practise by creating a saving account that isdisconnected from your mobile phone.So it isn't convenient to stress-spend that hard-earnedmonev.A.These things may give you lasting joyB.These wants are particularly damagingC.Don't worry if it doesn't come easily at firstD.Be cautious about things you just like or wantE.You're also supposed to use it as a tool to make your life enjoyableF.But don't let stress-spending get in the way of your long-term saving goalsG.Imaging your future self is a joyful way to think about saving for your future第三部分语言运用(共两节,满分30分)第一节(共15小题;每小题1分,满分15分)阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填人空白处的最佳选项。For more than five decades,Marybeth Hearn has raised 56 dogs to assist the blindpeople.But her act of kindness doesn't 41 there.The recently retired high school teacherhas inspired generations of students to 42 many more.When Hearn was about 10 years old,she told her 43 that she decided to train a guidedog.But her mother and father secretly doubted whether she could find anyone to pay for the44 of the training.Hearn was so 45 that she presented the project to so many relatedorganizations that she 46 raised $2,500.So on a sunny day,the family drove home witha black dog sitting in the backseat,the first of a long string of 47Later,her children and grandchildren have 48 in her footsteps.But her greatestimpact has come from 49 generations of student trainers who since 1992 have 50 with170 dogs that ended up in a range of service posts.Each new dog lives full-time for 14 months with a student trainer,who will teach it51 skills like behaving itself in public.It also accompanies the student to the classes tobecome socialized."If you can imagine a(n)52 with 21 dogs and 30 kids,it's quiteamazing,"Hearn said at her recent retiring ceremony.【2023年仿真模拟卷(六)·英语第6页(共8页)】新高考皖费核(202批准文号举报电话:1231原色用眼中品

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    RNINGIGLISH器美花上期考第版MIND MAPLEAR1.buy purchaser me.2.desire /interest3.memorable/unforgettable4.advertise/promoteENG5.placement6.meet satisfy生管单位山西省教育厅重办单值山西教育教MASTER'S DIRECTIONS【活学活用1】1.have witnessed2.the witness to3.bore/gave witness to【活学活用2】本期衡原码;d6a关注帽村微销价在号,国每上方1.have sprung up询源码或点击孩单“海码”输Class入街源码获取对源2.spring up3.sprang to his feet【活学活用3】1.absorb more heat第一节(共5小题;每小题1.5分,氵2.have been absorbed into3.completely totally/fully例:How much is the shirtabsorbed inA.£19.15.B.£9.18第2版答案是C。Task 1Where does the conversation m1.What2.that/whichtake place?3.connected4.anA.At home.B.In a hot5.techniquesC.At a bank6.has witnessed2.When does the next train leave?7.highly8.traditionalA.At5:08.B.At5:289.focusing10.to changeC.At5:48.Task 2What is the man dissatisfied w1.has witnessedshirt?2.advertisedA.Its style.B.Its colo3.interactionC.Its size.4.membership4.Where did the woman leave her5.be broadcastA.In the dining hall.B.In her6.AbsorbedC.In a taxi.7.platform5What will Tom do next?8.sponsoredA.Get a box.B.Ask hi9.be purchasedC.Take the bird to the animal s

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    How did the police officerdiscvA.By witnessing the mix-up.C.By questioning the author.B.By analyzing the case.26.What do we know about the dog?D.By consulting the tall man.A.It was assigned to replace the carrier.haB.It used to live a lonely and sad life.C.It was well-trained and devoted.D.It guarded the mail in the neighborhood.27.What's the best title for the story?A.A mail serviceB.Duty and honorhaC.A dog's taleD.Special deliveryCFor many people,breakfastoften called the most important meal of the dayis also theday's least-exciting meal.Breakfast choices frequently reflect utilitarian (needs;foodsat breakfast are typically simple,quick and easy to prepare and eat,and valued for the calorieboost that energizes the body and brain after a night's rest.And when people find a breakfastoption they like,they generally stick with it,day after day,scientists have found.Why were so many of those people satisfied with eating the same breakfast every morning?The scientists suggested that biological,psychological and cultural drivers shape our expectations for meals,and those factors-and our enthusiasm for eating-differ depending on thetime of day.Throughout the day and into the night,our bodies follow circadian rhythms(昼夜节律),which govern changes that are physical,mental and behavioral.Circadian rhythms also afiectour eating schedules,and other researchers have previously investigated links between circadian rhythms and variations in the size and variety of meals that people eat throughout the day,according to a study published in the journal Appetite.Researchers Cadario and Morewedge examined previous studies and identified two goalsthat govern meal choices:utilitarian,in which practicality is paramount,and hedonic,in whichpleasure is more imporant.The researchers then analyzed data in whichagrou f1275Americ oeranda go6Frncohat theyferent meals,to find patterns in meal experiences.113【23新高考·JD·英语-QG)

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