(2)实验小组通过查阅资料发现雌性蝗虫的染色体组成为22+XX,雄性蝗虫的染色体组成为22十XO(无Y染色体)。无X染色体和含3条X染色体的体细胞都不能存活。①该嵌合体蝗虫产生的原因最可能是(填字母)。A.亲本减数分裂有X染色体未分离B.胚胎发育过程有丝分裂有X染色体未分离②形成该嵌合体蝗虫的受精卵基因型为,嵌合体蝗虫表现雄性特征的是身体的(填“左侧”或“右侧”)。③若取该嵌合体蝗虫左右两侧的性腺制成临时切片,在减数分裂工前期分别可观察到个四分体。(3)蝗虫的长翅对残翅为显性,该嵌合体蝗虫及其品系的所有个体都表现为长翅,请利用该嵌合体蝗虫和正常的纯合残翅蝗虫,进行一次杂交实验,确定控制长翅和残翅的基因是否也位于X染色体上。简述实验过程,并预测结果和结论:21.(12分)舌尖最爱“辣”,辣其实并不是一种味觉,而是痛觉,2021年的诺贝尔生理学或医学奖获奖者发现一种离子通道TRPV1,能被43℃以上的温度或辣椒素等物质活化,进而形成烫或辣相关的痛觉。他们的研究思路是:假设辣椒素激活的受体是一种离子通道,然后筛选出可能编码特定受体的多个候选基因,再将这些基因逐一实施“基因沉默”,当某一特定基因沉默后,细胞对辣椒素不再敏感时,表明该基因对应的离子通道即为辣椒素的受体。(1)吃辣椒时,辣椒素接触口腔黏膜,与反射弧结构中上的TRPV1结合后,激活TRPV1,导致细胞膜外阳离子(如Ca+等)进入细胞,从而导致膜电位差(填“下降”或“升高”),进一步激活Navl.7(一种Na通道),此时膜外电位表现为(2)吃辣椒时,“辣”的感觉形成于,吃辣味食物的同时,喝热水会增强“灼烧感”,从反射弧结构的角度分析,其原因可能是生物试题(雅礼版)第9页(共10页)
丹东市2023届总复质量测试(二)高三化学参考答案及评分标准236910CAAC1112131415ACBDB16.(14分,每空2分)(1)研磨(2)3d84s2(3)将Fe2+氧化为Fe3+,便于转化为沉淀除去(4)A(5)①Na*+3Fe3++2SO42+6H0=NaFe3(OH6(S04)2↓+6H或Na+3Fe3t+2SO42+3Mg0+3H2O一NaFe3(OH)6(SO4)2↓+3Mg2+②2.5(6)917.(13分,除标注外,每空2分)(1)低温(1分)(2)+43 kJ/mol(3)0.03125或1/32(4)①不一定②CO占据了催化剂表面更多的活性位点,抑制反应的发生。③p1>p2>p3温度低于TK以反应Ⅱ为主,温度高于TK以反应I为主18.(14分,除标注外,每空2分)(1)H20和C1(2)滴液漏斗(或分液漏斗)(1分)液封、防氧化(1分)(3)Zn+2Cr3+=Zn2++2Cr2+(4)造成c中压强升高,将溶液压入d中(5)B(6)88.8(或88.9)d装置是敞开体系,制得的醋酸亚铬被氧化
【任务二】金属与酸反应取表面积大小相同的3种金属片,分别加入足量相同的三份稀盐酸中,并用温度传感器测定反应过程中的温度变化,所得温度变化曲线如左图所示。20温度/℃温度/℃Fe018164014Cu20时间50100150B时间s(2)由图A可知:(填“能”或“不能”)根据金属与酸的反应放热来判断不同金属的活动性强弱。(3)将铝片和稀盐酸放在密闭容器中,用传感器探究反应容器内的温度随时间变化如图B,50s前温度未上升的原因(用化学方程式解释):反应停止的时间点约在S。(4)锌和浓硫酸反应生成硫酸锌、水和二氧化硫,在反应过程中用燃着的木条放在试管口时,听到爆鸣声,经检验气体是氢气。为什么在反应过程中又产生了氢气,简述原因:注意:若答对第(5)小题奖励3分,化学总分不超过40分。(5)【任务三】金属和盐溶液的反应查阅资料:一种金属加入到活动性比它弱的多种金属化合物溶液的混合液中,优先置换出最弱的金属。向硝酸铜、硝酸银和硝酸亚铁的混合溶液中连续缓慢加入质量为的锌粉,溶液中析出固体的质量与加入的锌粉的质量关系如图所示。析出固体的质量6锌粉的质量6①c段(不含两端点)反应析出的金属是②c点对应的溶液中的溶质是。(填化学式)③若bc段和cd段析出的固体质量相等,参加反应的锌粉质量分别为m1和m2,则m1:m2217.(5分)化学实验室有一瓶标签损坏的N2C03溶液,为测定其溶质的质量分数,小颖同学取20g该溶液于烧杯中,再逐滴加入9.8%的稀疏酸,边加边搅拌,至不再产生气泡为止,共用去稀疏酸的质量为20g。请计算Na2C03溶液中溶质的质量分数。
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衡水金卷先享题初高中知识衔接手册化学HENGSHUI JINJUAN②示例:碳酸钠的交叉分类如下表所示。分类角度所属类别组成的阳离子钠盐组成的阴离子碳酸盐溶解性可溶性盐3.根据性质对氧化物进行分类。(1)酸性氧化物:与碱反应生成盐和水的氧化物,如CO2、SO3等。多数酸性氧化物能溶于水,与水化合生成酸,如CO2十H2O一H2CO3。(2)碱性氧化物:与酸反应生成盐和水的氧化物,如CaO、Fe2O3等。有的碱性氧化物能溶于水生成碱,如CaO十H2OCa(OH)2。归纳总结1.纯净物的分类。金属单质(如Fe)单质非金属单质(如C)酸性氧化物(如CO2)氧化物碱性氧化物(如Na2O)强酸(如HCl、HNO3、H2SO4)按强弱弱酸(如CH3COOH、H2CO3)酸一元酸(如HCI)按电离出的H+数二元酸(如H2SO4)多元酸(如H3PO4)纯净物强碱(如NaOH)化合物按强弱弱碱(如NH3·H2O)碱'一元碱(如NaOH)按电离出的OH-数二元碱[如Ba(OH)2]多元碱[如Fe(OH)3](正盐(如Na2CO3)盐酸式盐(如NaHCO3)碱式盐[如Cu2(OH)2CO3]注意:(1)酸的元数是根据酸分子电离出的H+的个数来判断的,而不是分子中氢原子的个数,如CH:COOH是一元酸而不是四元酸。12
二、一氧化碳燥特别提醒1.一氧化碳的物理性质:一氧化碳还原氧颜色气味状态密度溶解性化铜实验的注意事项:无色气体比空气略小难溶于水①CO有剧毒,实无味验前先点燃尾气处理2.一氧化碳的化学性质:处的酒精灯B。(1)可燃性:燃烧时火焰呈蓝色,放出大量的热,化学方程式为②实验开始先通2C0+0,点槛2C0,.CO,再加热(CO通入前要先检验纯度),目(2)还原性:一氧化碳还原氧化铜,化学方程式为Cu0+C0△的是排尽玻璃管内的Cu+CO2。空气,防止加热时由于气体不纯而发生爆炸。coCuo现象:黑色固体变成红③实验完毕,先停色,澄清石灰水变浑浊。止加热,继续通CO至玻璃管冷却,防止灼热澄清石灰水的铜重新被氧化。(3)毒性:一氧化碳有剧毒,极易与血液中的血红蛋白结合,从而使血红蛋白不能再与氧气结合,造成生物体内缺氧,严重时上巧学速记会危及生命。简记:一氧化碳早3.一氧化碳的用途:出晚归,酒精灯(A处)(1)作燃料,如水煤气。迟到早退。(2)治炼金属,如炼铁:3C0十Fe,0,高温2Fe十3C02。三、二氧化碳和一氧化碳孕特别提醒1.相互转化:我兄弟C0,会2C0+O2点燃2C02替我报仇的!COO2、CuO等C02CuO+C0△Cu+C0,C0,+C高温2C0CO和CO2的分2.相互除杂:子结构不同,所以它们杂质方法的化学性质有很大差除去CO中的CO2通入澄清的石灰水异。CO2可用于灭火,除去CO2中的CO通过灼热的氧化铜CO具有可燃性。九年级化学上:R安徽专用27
周测卷三单句填空1.to deal 2.suits 3.precisely 4.a 5.to 6.knowledgeable 7.clarify 8.unfolded 9.straightforwardly10.to obtain短语填空11.negotiated with 12.is interpreted as 13.in my shoes 14.suits me fine 15.gain from 16.reacted to17.attentive to 18.feedback from 19.approves of 20.account for阅读理解美国小孩对手机、板电脑等数码产品很沉迷,一些专家对此问题提出了他们的看法。21.A根据第1段可知,文章通过Herrick的例子呈现话题:现代科技给人们带来的影响,特别是对孩子的影响。22.D根据第4段最后一句可知,Systrom对互联网技术的兴趣使他创立了Instagram。23.D根据最后一段第1句可知,Brian Peterson是在一家电话公司当副总裁。24.A本文主要是讲述了小孩因沉迷手机、板电脑等数码产品而带来的一系列问题。七选五25~29 CFGDA完形填空作者是位整天忙碌的自由职业者,无暇享受生活。冥想让他对未来没那么焦虑了。30.B我没有片刻时间去享受每天的生活。31.C我走了很长的路,却很少关注飞鸟与鲜花。32.D因此,我下定决心报名参加冥想课。33.A冥想很简单,我很快就学会了,却没那么轻松。34.B我们被要求坐直,手放在膝盖上,闭上眼睛,并把注意力集中在呼吸上。35.D我仅坚持了约30秒就出现了其他想法。36.C一些想法不停出现在我脑海里,我像守门员一样把它们踢出去。37.A我花了几个星期的时间才意识到,这种关注呼吸,失去关注,然后恢复到关注呼吸的循环是一种锻炼形式。38.D39.A这像我每天做的俯卧撑。40.℃只不过我不是在锻炼手臂,而是在锻炼我的大脑,让它变得更加专注。41.A冥想不能解决我的所有问题,但它能帮助我更好地解决问题。42.B我也了解到经常使我紧张的不是生活中的事情,而是我对事情的反应。43.D44.A我从冥想中学到的智慧是难以描述的。45.C我仍然在忙于我的工作。46.B但是如果我的作品被一位编辑拒绝的时候,我不大可能会去质疑我的能力。47.C48.B我可以吃得更慢,因此我吃得更少。49.D我也更快乐更静了。·3·【22新教材老高考·zC.英语·参考答案一YLB一选择性必修第四册一QG】
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ill visit ourW:The driver's leg was broken and the man siting next tohimcipate in an:What's your favourite colour?suffered a head injury.And a pedestrian was injured.62023年普通高等学校招生全国统一考试·信息卷了活动的M:It'very dangerous touse a cell phone while driving.W:And it's illegal,too.英语(六)interested in colours,you'll love The Secret Livesof语,如beColour.I read it while stuck at home during theText 9pandemic.booksW:Bob,did you have a happy childhood?valuable,M:Yes,I did.When I was little,I was a big fan of本任务,加强对考生智你费会文的导作用,克分考人和行。此外,作者college:one is The Secret Language of Colour本套试题选材新颗,紧紧绕人与白取、人与社会人与自松三大主语境开。题材广泛,体款乡样。如滨理解介and the other is Colour and Meaning.children's books and cartoons.宾语从向绍了202年欧四所顶级的国际化大学,在使者生了解关大华的计引号考生树入大造的两理心是科音类文章,通过对地球自转速度变这一现象以及该现象写对地晾产生的巨大响的介都,引发考在对人止存环境的书hard workfor one of them when I go tothe city library.W:Guess what?My grandma is an author of children's:mafraid you can't find any of the books in the citybooks.She began writing in her fifties.同时,本套试题突出对考生关健能力的考查。阅该理解注重对文章主大意布关信息的考在,对的亚性,批性和创新ties will be性思维有了进一步的要求。语法携空和短文改的设题在考查考生的璃如识物时融入了对类能方的考,如对功毒、the schoollibrary.You may have to buy one online.M:Wow.Is she still writing?W:Yes.She's 75 now.I know you can play the violin very非谓语动词和定语从句的考查。总之,本套试题难度适中,题日类型全面,考点视盖面广,内客贴近考生的生活且有一定的料情性。Text 7Hi.Catherine.What a surprise to see you!well.Did you dream of becoming a musician when you大学),1826年(伦敦城市学院)和1907年(帝国理工HJack.We haven't seen each other for half a year.were a child?答案速查】M:No.I wanted to be an astronaut.What about you,学院)。由此可知,文中历史最悠久的大学是牛律大45678910How's everything going?学,故选A。M:Not bad.I still work as an accountant in my uncle's techAmanda?2.B【命题意图】考查细节理解。W:Oh,I had many childhood dreams.I wanted to be a1314151617181920was thecompany.What about you?Is there anything new?1112【解题思路】根据University of Cambridge中的C AA C"Cambridge contains 31 residential colleges,whichareshe settled:Ive changed a job.I quit my job at an advertisingfirefighter,a policewoman,a vet.but 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eachW:Yes.My colleagues are friendly and helpful.In the newBAB C D C Ayear sends around 400 students to partner universities inhe has tocompany,teamwork is highly valued.To be honest,Text 1028th.HeI don't like my former employer.No one wants to workGood morning!It's Saturday,October 22nd.You are61.by 62.are fuel(l)ed 63.what 64.third 65.andifferent countries to conduct hands-on research forawatching the weather forecast.I'm Karrie Martin,your66.worse 67.died 68.unexpected 69.creaturesminimum of eight weeks during the umer break知,帝国理工学院的相关项日每年会派出大约400名with an uncaring boss.weather presenter.Well,let's see what the weather is like70.to become学生去不同国家的合作学校进行至少八周的实践研today.In the north of the country,the weather is wet and第二部分阅读理解究。故选D。er that?W:Why didn't you drive here?It's Thursday today.Your carcloudy,with a slight chance of a rain shower.The长难句分折Cambridge conins31 reidential coe,谓语is allowed on the streets.M:My car is being repaired in the garage.I had a cartemperature is around 12 degrees Celsius.In the east,it'srainy all day today.And there is a slight chance of a第一节(which are responsible for admitting undergraduate andAthunderstorm at night.The temperature is around 10 degrees主题:人与社会—2022年欧洲四所顶级定语从句,修饰先行词31accident the day before yesterday.体裁:应用文graduate:What happened?Did you drive too fast?M:Ide to close to the car in front of me and collidedCelsius.In the south and middle of the counry,it'svery coand windy,with a50%chance of rain,sodon't forget to take【语篇导读】本文主要介绍了2022年欧州四所顶饭的国际的国际化大学College,Murray Edwards College and Newnham College-同位ask who'swomen-onlywith it.Luckily,I wasn't injured.You must maintain a safe following distance whileyour umbrella or raincoat with you!The temperature is justaround 8 degrees Celsius.People in the west of the country化大学一牛律大学,剑桥大孕,伦救大学学院和争国句意:创桥(大学)色插三十一个负青招数本科生和研究理工学院。生的等宿学院和三个仅招收女植的学院—一露西·事文山iirgcan enjoy the nicest weather today.It's sunny and mild all:be more careful next time.truck crashed into a telegraph pole.Theday.There's no rain at all and the temperature is around21,A【题意图】考查细节理解。【解题思铭】根据对四所大学的介绍可知,它们的创立逝什学院,歌里·爱德华数季院和组纳姆学院。17 degrees Celsius,neitherto hot nor to cold.That's your时间如下:至少在1096年(华排大学),1209年(剑桥D%卷(六),英语weather foreeast.Thanks for watching!ke peopleM:That's terible!D卷(伍)·英语
沙】CORNERI.1.flows2.conclusion3.novelist4.circumstancesII.1.which2.whose3.where4.when上期参考答案5.which6.which7.who洲PART 3第1版MI.1.gradually 2.infer 3.encounterIEME READING4.patentl.1.c2.b3.d4.aelf-check】1-3 FTT【Project】,略语言知识应用篇第2版1.diseases2.whom 3.getting4.have receivedMREADING ACTIVITIES5.in6.to use7.and8.widelyWThink and discuss略9.compare10.scientific(TeUnderstand the text选择性必修一UNIT1I.1.Ningbo,China2.30 December 19303.Peking University Medical School听力材料及参考答案M:4.the China Academy of Traditional Chinese听力材料Medicine(Text 1)5.a new treatment for malariaM:Have you finished that book we're studying in6.traditional botanical treatments for the diseaseour literature class yet?7.Nobel PrizeW:Yes.Last night,I stayed up late because IW:II.caegbdifhcouldn't stop reading the last few pages.I reallyIII.1-4 BCDAlike the books written by Mark Twain.M:Write a summary(Text 2)Tu Youyou,co-winner of the 2015 Nobel Prize forW:There's a TV program about the great ChinesePhysiology or Medicine,is known as the discoverer ofeducator Confucius this afternoon.It might beW:artemisinin,a medicine that has saved hundreds ofuseful for your study,Tim.thousands of lives and improved the health of millions.M:Really?What time will it be on?I've gotBorn in Ningbo,China in 1930,after graduating frombasketball practice at 6:00:Peking University Medical School in 1955,she workedW:It's at 5:00.It's only half an hour longat the China Academy of Traditional Chinese Medicine(Text 3)in Beijing before joining a team formed by the ChineseW:The opening of the new photo show was great.IWgovernment to discover a new treatment for malaria inthought you said you were coming-to meet theM:1967.Becoming the head of the project in 1969,shefamous artist.reviewed ancient Chinese medical texts,finding oneM:Oh,no.That was last weekend?M:mentioning wormwood extract to treat a fever.After(Text 4)many trials and failures,an effective treatment,M:We have to write a blog about someone weartemisinin,was obtained,which the team tested onadmire.I've never done anything like this,so Ithemselves to make sure it was safe.Later,tests ondon't know how formal the language should be.W:malaria patients proved successful.According to TuCan you help me?M:Youyou,artemisinin's success was a team effort andW:OK.Let me give you a website that can help youW:proved the value of traditional Chinese medicine.(Text 5)Critical thinking略W:Have you heard of Steve Martin?He hasLEXICAL CHUNKSappeared in many comedies.1.一个有奉献精神和耐心的科学家M:3.commit oneself to doM:Of course.But he is more than just an actor.He'salso a writer,who has written several books.6.make great contributions to society7.做出重大发现(Text 6)W:9.陷入僵局11.得出结论W:So Nick,I've never been to America.Can you13.lead to15.经得起磨损tell me about any famous people who live there?19.come to powerM:Well,one famous person,his name is Larry PageM:第3版LANGUAGE LEARNINGHe founded a famous company-Google,the语言知识学篇Internet search giant.I'm sure you know aboutW:PART1it!Larry received his PhD degree from StanfordM:I.1.distinct2.obtain3.analyseUniversity.And his parents are both computerW:4.liquid;boilscientists.II.1.apparently5.botanicalIII.1.insist on2.mostlyW:Oh,I see.He reminds me of a person from my2.a vital part3.committedcountry.He is the founder of Baidu,a search(Tex3.acknowledge defeat4.committed herself toengine company in China.5.with the objective ofM:Oh,I've read about himPakisPART 2(Text 7)famcM:Person Number One.This person is from Hongfor。报社地址:山西省太原市晋阳街202号英语周报社●印刷:武汉彩集实业有限公司(武汉市汉南区华模工业园22栋1号)●邮编:030006●订:本报发行部
fitness,and one was even dedicated to games and puzzles.Montreal,who discovered why.In his research published in Science,he confirms a28.Why is the train designed?theory from the 1980s through the study of the 13-lined ground squirrel,a commonA.To treat people with mental problems.species from North America.According to the theory,the gut ()microbes fromB.To relieve people of stress.these cute hibernators have a very special ability.They can recycle the nitrogenC.To transport passengers to attractions.present in urea and reuse it to build new proteins.This way,when squirrels wake upD.To conduct unique research.from hibernation,they are in good shape to cope with the intense physical activity29.What does Kate McFerran say about train travel?that a successful reproduction demands.A.It can train people's creativity.B.It can allow people to master a skill.Regan's findings could have a meaningful impact on the future of space travel,C.It can give people much happiness.D.It can strengthen people's friendshipconsidering that crew members tend to weaken muscle because muscle proteins are30.What can customers do on this special train trip?suppressed during spaceflight.According to the researcher,if astronauts manage toA.Read newspapersB.Hold a dinner party.copy mechanisms of ground squirrels,they will be able to prevent muscle loss,aC.Look at smartphones.D.Enjoy some games.common issue among space travelers.Regan states that there's still a lot of work to do to make these applications safe31.What is the best title for the text?A.Board the“Wellness'”TrainB.Learn Relaxation Activitiesand effective for humans.However,"one thing I find encouraging is that a studyC.Research on Train TravelD.Relax Yourself by Travelingfrom the early 1990s provided some evidence that humans are capable of recyclingDsmall amounts of urea nitrogen via this same process."What would you say if you had to fast for a whole season?It sounds like an32.What does the underlined word "fast"in Paragraph 1 mean?impossible challenge for humans,but ground squirrels,however,achieve this veryA.Keep sleeping.B.Lack food.C.Stop eating.D.Stay indoorssuccessfully every winter.A new discovery has revealed why,and the finding can33.What may keep ground squirrels healthy after hibernation according to Regan'sreally help astronauts with their physical health during long missions.theory?Long periods of inactivity are known to lead to muscle weakness in most animalA.Their proteins.B.A long sleep.species.But for hibernating (animals,things happen in a different way.NotC.Urea nitrogen.D.The gut microbes.only can they survive without eating,but they also use minimal levels of energy34.What often happens to astronauts in space travel?while preserving their muscle mass and function during and after the whole winter.A.They fail to fly normally.B.They are lacking of energy.It was Matthew Regan,an animal physiologist from the University ofC.Their muscle is weakening.D.Their proteins are missing.英语试题(二)第9页(共16页)英语试题(二)第10页(共16页)
本文是记叙文。在中国实的经历不仅增强了“我”的研究能力,而且还让“我”交到了好朋友。61.leaving。考查动词-ing形式。when.for Nanning作状语,且I与设空处之间是逻辑上的主谓关系,应用动词-ing形式。62.where。.考查关系词。设空处引导非限制性定语从句,对Guangxi Veterinary ResearchInstitute补充说明,且设空处在定语从句中作地点状语,故填where。63.In。考查固定搭配。in addition to意为“除…之外”,且设空处位于句首,故填In。64.It。考查it的用法。It is difficult to do sth意为“做某事困难”;it是形式主语,真正的主语是后面的不定式。65.s0。考查固定搭配。根据句意可知,“我”学了一些汉语单词和短语,那些研究人员也提高了他们的英语水,这样一来每个人都能有效沟通,故用so that引导结果状语从句。66.effectively。考查副词。设空处修饰动词communicate,应用副词。67.has improved。考查现在完成时。根据时间状语Over the last few weeks可知,本句应用现在完成时。8.more。考查形容词比较级。根据than I can count可知,设空处表示比较级含义,故填more。9.confidence。考查名词。设空处作宾语,应用名词。that引导同位语从句,解释设空处的内容。70.to come。.考查动词不定式。in the years to come是固定短语,意为“在未来几年里,未来”。
2023届下学期高三大联考回答第8、9is Kim?B.The man's neighbor.C.The woman's roommate英语试卷think of Kim?B.Generous and popular.e and hun(本试卷共8页,试卷总分:150分,考试用时:120分钟)0生收务10.whcome here?A.To join the poem club.仪妹加拼党理注意事项:B To find new group members.东把能,对戒流识1.答题时,务必将自已的姓名、准考证号填写在答题卡规定的位置上。C.To help the boy with his coursesP彩联粘,1进作水2.答选择题时,必须使用2B铅笔将答题卡上对应题目的答案标号涂黑。如需改动,用橡皮11.What do we know about the boy?擦擦干净后,再选涂其他答索标号。答非选择题时,必须使用黑色墨水笔或黑色签字笔,将答A.He is interested in acting.案书写在答题卡规定的位置]3所有题目必须在答题卡上作答,在试题率上答题无效4考试结后,请将本试卷和答题卡一手交回。根高生者找,种城液第一部分听力(共两节,满分30分)B.Takingnext term第一节(共5小题:每小题1.5分,满分75分)e practice.括祓烤穗阔缘(国内怀国所欧懈听下面5段对话,每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选餐著新务拍防w品。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读B.Dete遍A.Fighting fires.14.How many fires did Califomia h.Where are the two speakers?B.At a gas station.C.In an interview room.A.Around 50.15.What size ofa fire can the newoman want to do?B.The size of a plane民B.Deposit ber luggage.C.Purchase some products.'s main concern?man think of his performance?酒旅A.EntertainingB.UnsatisfactoryC.Successful.听第10段材料,回答第004.In which department does Mrs.Lauren work?17.How long is most British wR For two weeks先以m绝船阀报城暗A.The sales department.B.The management departmentB.Italy.C.Amsterdam.C.The human resources departmenWhat are the two speakers mainly talking abourC.Terrifying rides.A.Top bandsA The size of the Lincoln ParkB.The location of the Lincoln ParkB Sports.C.Environment.The shortcut to the Lincoln Park满分225分)o听下而5段对话或独白。每段对中选出最佳选项。听每段对话发独白前,出5秒冲的作答时间。每段或独白读两遍The Olympic Gameswill be held from July 26 to August 11.and the各小题将给st 28 to September 8 in Paris of France.The听第6段材料,可答第6、7题。will be the 2024Olympic and the Paralympic Games mascots as6.What is lying on the railway tracks?B.A manC.Atree trunkook to celebrate the French revolution spirt*The meanings of the PhrygesA.A rock7.What are the two speaks about to do?C.Move the rockThe Phryges aim to show that sport can change everything.and that itA.Find something red.B.Wave the coa(KHM)三语第2页(共8)(KM)高三英语第1页(共8)
(2)除去氯气中挥发的HC1(3)c(Na*)>c(C1O-)>c(OH)>c(H)(4)CL,十H,O一HCLO+HCl,酸性:H,C0,>HC1O>HCO,NaHCO,.与HC反应.使衡向生HCi0的方向移动(2分)(5)①8c×100%(2分)②CD(2分)【命题意图】借助HC10的制各考查常见的实验原理、溶液的配制、水溶液中离子浓度比较、化学衡移动原理【详解】(1)MnO,将C氧化为C,而自身被还原为M+。反应为M0,+4H+2Cr△Mr*+C个+2H0(2)Cl,中含有HC1千扰实验,用饱和NaCl溶液除去。(3)NaCIO溶液中存在CIO+H,O一HClO+OH,溶液呈碱性。水解消耗C1O,c(Na*)>c(CIO),所以c(Na+)>c(ClO-)>c(OH-)>c(H+).(4)CL2与水发生可逆反应:CL,十H,O一HC1O十HCl,根据资料,可知酸性:H,CO,>HCIO>HCO,NaHCO,与HCl反应,使衡向生成HCIO的方向移动,H,CO,的酸性强于HC1O,HC1O不与NaHCO,反应。答案CL,+H,O一HCIO+HCl,酸性:H,CO>HC1O>HCO,NaHCO,与HCl反应,使衡向生成HC0的方向移动。(5)①由题意知,25mL待测液消耗的标准盐酸的体积为20.00mL,可得关系:NaOH~HC1,故“84消毒液”中冻成的质量分数为25m亡X20.00 mLX c mol/L×10×40g/mo×100%=8c×100%.m②A.加水定容时俯视刻度线,会使溶液体积偏小,物质的量浓度偏大,A不符合题意:B.容量瓶未干燥处理,不会影响所配溶液的浓度,B不符合题意;C,定容加水时超过刻度线后,吸出多余的水,会使溶质合量减少,所配溶液浓度偏小,C符合题意,D.溶液从烧杯转移到容量瓶中后没有洗涤烧杯,会使溶质的物质的量减少,所配溶液浓度偏小,D符合题意,答案选CD。23.(9分,除标记外每空1分)(1)碳碳双键酯基(2)新制氢氧化铜或者新制银氨溶液(3)ECH2一CH(4CH,-CHCOOH+HOCH,CH,夜酸CH,=CHCOOCH.CH.+H,O(2分)COOH吸收乙醇,中和乙酸,同时降低乙酸乙酯的溶解度(2分)△【详解】A为石油化工重要产物CH,=CH,乙烯与水发生加成反应生成乙醇,则B为CH,CH,OH,乙醇发生氧酯化反应或取代反应化反应生成C为CH,C00H,乙醇与乙酸发生酯化反应生成D为CH,COOCH,,CH,;丙烯氧化生成丙烯酸,丙海【命题意图】考查生活中常见的有机物的转化关系及性质(1D丙烯酸乙酯的结构简式为CH,=CHC0OCH,CH,官能团是碳碳双能和酯基。(2)乙醇可以发生催化氧化生成乙醛,其中合有醛基,除基可以月新制氢氧化铜溶液我者新制银氨溶波检验。酸发生加聚反应生成聚丙烯酸,据此判断。(3)丙烯酸中含有发成双处可以发生加聚反应生成聚丙场酸,其结构简式为ECH,。一CH。(4丙场酸和乙醇发生酯化反应生成丙烯酸乙酯和水,反应的化学方程式为CH,=CHC0OH+HOCH,CH,COOH求酸CH,=CHC0 OCH.CH十H,0,该反应为取代反应或者酯化反应;要除去乙酸乙酯中混有的乙醇、乙酸,可加入的试剂是饱和碳酸钠溶液,作用是吸收乙醇,中和乙酸,同时降低乙酸乙酯的溶解度。化学参考答案第6页(共8页)
2023年高考桂林、崇左市联合模拟芳试英语参考答案及评分标准第一部分1-5 CABCB6-10ACABC11-15BCABA16-20CBABC第二部分21-23BCA24-27DCAB28-31DCBD32-35ADAB36-40CEFDB第三部分41-45 CABDD46-50ACBCB51-55AADCD56-60CBBAD61.to date62.when63.has stood64.their65.waiting66.Despite67.innovation68.creative69.simply70.whether第四部分第一节Yuan Longping is known for the father of hybrid rice.He devotes his life to make not only Chinaasmakingbut also the world free from hunger.He has two dreams.One is to enjoy the cool under the rice tree.The other is that his hybrid rice can be grown global.But turning dreams into reality are hard togloballyachieve,what takes a lot of time and efforts.For me,my dream is to be A English teacher.I wish towhichanspread these story of some Chinese heroes to the world.And I wish my students can value food or bestoriesandgrateful to Yuan Longping as well.In order to make my dream came true,all the things I have to do it iscometo work hard.第四部分第二节For better promotion of our traditional Chinese cultures,our club is in great need of new memberswho have a strong preference for Chinese cultures.Our club,whose name is TCC Club,was founded in2018.Since then,it has been dedicated to traditional Chinese culture promotion and enjoyed constantpopularity among students.As one of the most influential clubs in our school,we have never failed to provide us studentswith many benefits.To begin with,we can give you overall insight into our valuable cultures.Besides,some meaningful activities organized on a regular basis will strengthen your competence in cooperationand management.Most importantly,your circle of friends who share the same interest will also beextended.英语试卷参考答案第1页(共4页)
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49.【答案】C【解析】根据语境可推知,Norman很快发现画画可以帮助他缓解病症,故选C。50.【答案】A【解析】根据上下文可知,随着时间的推移,Norman作品的质量也在不断提高,他甚至有幸在画廊看到了自己的作品,故选A。5L,【答案】D【解析】参考上题解析。52.【答案】A【解析】Norman继续着他成为一名艺术家的梦想,故选A。53.【答案】B【解析】Norman在继续追求艺术家梦想的同时,也在尽他所能为帕金森病的研究筹集资金。下一句中的earnings有提示,故选B。54.【答案】B【解析】根据上下文可知,Nom希望来到这里了解他生活的人们可以找到他们需要的启发和鼓舞,去追求他们觉得被召唤去做的任何事情,故选B。55.【答案】D【解析】根据上文可知,Noma在追寻艺术的道路上有幸获得了一定的认可,并将之回报给了社会,故选D,【导语】本文的语篇类型是说明文,主题语境为人与社会之影视级乐。本文主要介绍了电影《流浪地球2》中所体现的中川国科技实力。56.【答案】in【解析】考壶介词。interest in表示“对…有兴趣”。s7.【答案】elements【解析】考查名词复数。此处意为“这邮科幻大片的硬科技元素”,故©lement表示复数概念。58.【答案】a【解析】考查冠词。此处是表泛指,因为Beijing-based film reviewer不止一个。59.【答案】tels【解析】考查时态和主谓一致。此处是谓语,句子的主语是The much-anticipated prequel(前传)to The WanderingBh(备受期待的《流浪地球》前传),为单数,本句讲述的是一部电影的内容,所以用一般现在时。60.【答案】rapidly【解析】考查副词。此处用rapid的副词形式修饰谓语is burning out。.61【答案】marked【解析】考查时态。根据1f可知是个从句,所以空格处应该是谓语动词,2019这个时间状语说明是过去的,故用过去式。62.【答案】that【解析】There is no doubt that是圈定句型,hat引学一个网位语从句。63.【答案】and/【解析】考查连词。此处the epie sci-fi long shot of the space elevator,the space station erash scene和the artificialactivated nuclear bomb explosion scene是并列关系,故填and.64.【答案】representing【解析】考查非谓语动词。分析前而的内容可知,suhs后面的是一些名词短语,a山前面的逗号说明此处是一个独立主格结构,所以用非谓语动词,对于a来说,represent是主动的,所以用representing。65.【答案】to make【解析】考查非谓语动词。for sb./sth.todo是国定句型,其中for sb./sth是todo的逻辑主语。英语参考答案第4页(共8页)应用文评分标准一、应用文写作国家评分标准1.评分原则:(1)木题总分为15分,按照5个档次给分(2)评分时,先根据文章的内容和语言初步确定其所属档次,然后以该档次的要求来衡量,确定或调整档次,最后给分。(3)词数少于60或多于100的,从总分中减去2分。(4)评分时,应注意的主要内容为:内容要点、应用词汇和语法结构的丰富性和准确性及上下文的连贯性。(5)拼写与标点是语言准确性的一个方面,评分时,应视其交际的影响程度予以考虑。英、美拼写及词汇用法均可
三个选项中选出一个最佳选项。短文读两遍。nho,11.When did I take part in an event?A.In2009.®n2019.C.In2020.12.How long did the journey take?④Eight days..色Thirty days..C.Fourteen days.行013.What did they use the website to do?)i3A.Drive a car.B.Play football.1日9JC.)Ask friends and family for donations.14.Which place did they drive the car to?A.The village.B.The east of India.C.The west of India.15.What did they see along the way?(A.Some beautiful things.B.A car.C.The life of local peopleV,信息转换(共5小题;每小题1分,满分5分)VT你将听到一篇短文。请根据短文内容,写出下面表格中所缺的单词,每空仅填一词。短文读两遍。New Hope ClubTimeLast for 14 days in total during the school hd192PeopleIt is for children who like singing,r acting.PriceIf you are under 13,the price is only 200 yuan.0If you are between 14 and 16,it84400yuan.We will offer you 3 19 books.AdvantagesThe teachers are experienced and20pation t第二部分英语知识运用(共两大题,满分30分)四V.单项填空(共10小题;每小题1分,满分10分)从每小题所给的A、B、C、D四个选项中选出可以填入空自处的最佳选)21.-Wow,John,you made greatin Chinese.Who helped you?-Nobody!I taught myself.aaisoodo③independencebhA.differenceprogress,1Axe1nD.mistakes0022.-Oh,your grandfather looks so young空宗皇Yes,he keeps running2A slowlyB,regularly规唯C.hardlyD.probably8119323.-I heard many buildings wasby the big earthquake in Turkey.How terrible!A)brokenB.madeC.built9destroyed.坏24.-Are you going to visit Disneyland this summer holiday?-I'm not sure.Itmy mother's decisionnsdwA.cares aboutB.agrees toC.depends onD.finds out025.-Would you like to see Full River Red《满江红》with me,Anna?-You mean the moving filmdirected by Zhang Yimou?A.whoB.whatC which26.-What can we do for our parents?-Youdo anything except be with them and be yourself.英语试卷第2页(共8)
非选择题(共61分)14.(15分)纳米氧化锌是一种新型无机功能材料。以氧化锌烟灰(含ZnO及少量Fe2O3、FeO、MnO)为原料制备纳米氧化锌的工艺流程如下:稀硫酸KMnO4ZnOP204稀硫酸NH4HCO3溶液烟灰浸取净化萃锌反萃→沉锌→煅烧→纳米氧化锌滤渣(1)已知:净化过程中滤渣的成份为MnO2、Fe(OH3。①浸取”过程中稀硫酸不宜过量太多,其原因是▲。②净化”过程中Mn+与KMnO4发生反应的离子方程式为▲(2)“萃锌”过程中反应机理如下:P204释放一OH上的氢离子,与Zn+发生交换,生成的配合物被萃取到有机相。Z2+浓度对萃取率的影响如100斤。萃取率1.480O-苹余液pH题14图-1所示。初始Zn2+浓度越大,萃取率越低,1.2601.0其原因是▲。0.8(3)沉锌”得到碱式碳酸锌,化学式为Zn5(C03)2(OH)6,200.604写出该过程中发生反应的化学方程式▲。5101520253035锌离子浓度/gL-(4)碱式碳酸锌高温煅烧后可得纳米氧化锌。题14图-1①Zn0的一种晶胞结构如题14图-2所示。晶胞中与O2最近的O2-个数为▲。②取109.4gZns(C03)2(OH6(M=547gmol1)加热,升温过程中固体的质量变化如题14图-3所示。350℃时,剩余固体中已不含碳元素,求此时剩余固体中Zn0的质量(写出计算过程)。109.4剩余固体质量/g84.6-----●Zn2+---------------20030040050600温度/C℃题14图-2题14图-3
阅读理解【A篇】本文的语篇类型是应用文,主题语境是人与自然之人与动物。文章是篇科学新闻报道,介绍了利用蚂蟥吸食的脊椎动物血液中的DNA判断这些保护区是否真正有效地保护了当地生物多样性。21.D细节题。根据第二段“In the summer of2016,park rangers in China's AilaoshanNature Reserve went hunting for leeches.”(20l6年夏天,中国哀牢山国家级自然保护区的护林员采集蚂蟥。)可知蚂蟥采集地点。故选D项。22.B细节题。根据文章题目“Leeches(蚂蟥)expose wildlife's whereabouts and may aidconservation efforts”和第一段第一句“DNA extracted from leeches'blood meals lets scientists trackwhere animals stay.”可知,蚂蟥体内保存了其他动物的信息,可以通过检测蚂蟥体内DNA来研究当地的其他物种的分布情况,进而评估自然保护区管理成效。故选B项。23.C文章出处推理判断题。从文章题日下面的时间“APRL6,2022AT9:00AM”和文"Questions or comments on this article?E-mail us at feedback@sciencenews.org I ReprintsFAQ”由此可推断出该文章出现在科学新闻网站。故选C项。【B篇】本文的语篇类型是记叙文,主题语境是人与自我之生活经历。本文介绍了第一个探索格陵兰岛的非洲人,他是如何开始第一次格陵兰岛之行的,以及之后他的生活。24.B细节推理判断题。根据第一段可知,作者1965年第一次到达格林兰岛时是24岁,从“But his arctic journey had actually begun some seven years earlier.”可知,作者真正的北极之旅是七年前开始的。1965-7=1958,故选B项。25.C推理判断题。根据第二段“When I arrived,everyone stopped talking;all werestaring.They didn't know if I was a real person or wearing a mask.Children hid behind theirmothers.Some cried,believing I was a spirit from the mountains..”可知,当Kpomassie刚到的时候,当地人都呆住了,分辨不清他是真人还是戴着面具,由此可推断,他们之前没有见过黑人。故选C项。26.D推理判断题。根据第一段“Immediately,the topic attracted him,and within a yearhe'd run away from home in pursuit of the Arctic.”可知,Kpomassie在读了有关格陵兰岛的书籍之后便离开家乡,前往遥远未知的地方探险。由此可推断,他富有冒险精神。根据第三段"Over the next 18 months,Greenland's first African learned to adapt himself quickly to the newenvironment.”可知,在一年半的时间内Kpomassie很快适应了新生活,因此可推断,他适应能力很强。故选D项。27.A主旨大意题。通读全文可知,本文讲述了Teté-Michel Kpomassie作为第一个探索格陵兰岛的非洲人的经历。故选A项。【C篇】本文是说明文,主题语境是人与社会之阅读惯。年轻人大量使用数字台来阅读、写作和评论文学作品。一项以数字阅读台Wattpad为例的研究发现,根据作品属于青春文学还是经典文学,年轻读者的阅读行为会大有不同。28.D细节理解题。根据第三段第一句“For the first time,a team of researchers fromSwitzerland and Italy have researched the use of the online platform Wattpad in greater detail.知,来自瑞士和意大利的一组研究人员首次对数字阅读台Wattpad的使用进行了更详细的研究。故选D项。梧州市2023届高三第三次模拟测试·英语·参考答案第2页(共6页)
全国©0所名校高三单元测试示范卷教学第三部分语言运用(共两节,满分30分)札记第一节(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入空白处的最佳选项When in need of some guidance,most people immediately look for an expert on the topic.41 however,researchers with the Association for Psychological Science find that many expertsdon't actually give better advice than others-they just give more of it."Skillful 42 and skillful teaching are not always the same thing,so we shouldn't 43 thebest performers to necessarily be the best teachers as well,"says lead study author David Levari."People seem to 44 quantity for quality.Our studies suggest that 45 in some instances,people may overvalue advice from 46 performers.An experiment featured 2,085 people randomly 47 to either an advice or a no-advice group.After 48 a single round of the game of Word Scramble,participants in the advice group 49advice from a random advisor and then played five more 50.Meanwhile,the no-advice groupjust played six rounds without any 51.People in the advice group did 52 perform better after getting some guidance,and their per-formances tended to 53 round by round.However,on average,researchers say the advicecoming from the best players was not any more 54 than others'suggestions."In our experiments,people given advice by top performers thought that it helped them more,but it is not always the 55.Surprisingly,they thought this even though they didn't know any-thing about the people who wrote their advice,"Levari explains.41.A.LuckilyB.SurprisinglyC.FurthermoreD.Besides42.A.searchB.controlC.applicationD.performance43.A.allowB.expectC.forceD.encourage44.A.blameB.exchangeC.mistakeD.excuse45.A.at mostB.at lastC.at firstD.at least46.A.averageB.topC.poorD.mean47.A.assignedB.opposedC.devotedD.exposed48.A.writingB.designingC.playingD.losing49.A.sentB.refusedC.changedD.received50.A.roundsB.groupsC.gamesD.sports51.A.rewardsB.suggestionsC.punishmentD.hesitation52.A.hardlyB.indeedC.everD.instead53.A.decreaseB.combineC.achieveD.improve54.A.helpfulB.hopefulC.carefulD.graceful55.A.truthB.caseC.methodD.idea【答案与解析】专家的意见并不总是对的,我们不必迷信专家。41.B令人奇怪的是,研究者发现很多专家的意见并不比其他人的意见更好一专家只是给出了更多的建议。42.D“精彩的表现和良好的教学并不总是同一件事,因此我们不应该期待最佳表现者同时也是最好的老师。”43.B44.C“人们好像错把数量当成了质量。”45.D“我们的研究表明,至少在某些例子中,人们可能高估了最佳表现者的建议。”46.B47.A在一个实验中,2085名参与者被随机安排到一个有专家建议的组和一个无建议的组48.C完成一轮单词游戏后,有专家建议的组收到一名专家的建议后再玩五轮单词游戏。23(24.G3DY(新高考)·英语-R-必考-G DONG】
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19.(14分)乙烯是重要的基础化工原料,工业上利用乙烷脱氢制乙烯的相关反应如下:反应I:C2H(g)三C2H4(g)+H,(g)△H=+137 kJ.mol-反应I:C0,(g)+H,(g)三CO(g)+H,O(g)△H2=+41kJ·mol(1)反应C2H6(g)+C02(g)三CH4(g)+C0(g)+H2O(g)的△H3=kJ.mo1'。(2)以C2H6和N2的混合气体为起始投料(N,不参与反应),保持混合气体总物质的量不变,在恒容的容器中对反应进行研究。下列说法正确的是A.升高温度,正、逆反应速率同时增大B.C2H6、C2H4和H2的物质的量相等时,反应达到衡状态C.增加起始投料时C2H6的体积分数,单位体积的活化分子数增加D.增加起始投料时C2H6的体积分数,C2H6衡转化率增大(3)科研人员研究催化剂对乙烷无氧脱氢的影响①在一定条件下,Z/ZSM-5催化乙烷脱氢转化为乙烯的反应历程如图1所示,该历程的各步反应中,生成下列物质速率最慢的是一。A.C,HB.Zn-C,HsC.C,HD.H,"②用C。基催化剂研究C2H6催化脱氢,该催化剂对C-H键和C-C键的断裂均有高活性,易形成碳单质。一定温度下,C。基催化剂在短时间内会失活,其失活的原因是25、6◆1TS2TS3+HWZ+HO-20为bK(1.5,17.8)1.5《aarn151.5,l5.)防G、TSI101.5,11.3)0.5uZ+H-1.0O-!S1.s2-1.5n(cO)反应进程(C,H)图1图2(4)在923K和催化剂条件下,向体积固定的容器中充入1.0olC2H6与一定量C02发生反应(忽略反应I和反应I外的其它反应,衡时C,H6、C,H和CO的物质的量分数随起始投料比C0的变化n(C,H)关系如图2所示,图中曲线c表示的物质为C0,表示C2H6的曲线为(填“”或b),判断依据是第7页,共8页
B篇主题语境:人与自我一一做人与做事本文是记叙文。男子和孩子在飓风天气向多人伸出援手。24.D。理解具体信息。根据第一段中的Kevin Ott and one of his sons went to Fort Myers Beachto check out conditions..Water started rushing in,two to three inches in a minute可知,在飓风“伊恩”登陆前,Ott前往了Fort Myers Beach查看相关情况。25.A。理解具体信息。根据第二段中的Dineen started calling..“Things are getting bad.Ithinkyou need to come down here,”she told him可知,Dineen给Ott打电话是想寻求帮助。26.B。理解具体信息。根据第四段中的They met a man in.they found his neighbors可知,Ott帮助船坏了的那个男人营救被困的邻居。27.C。理解具体信息。根据第一段中的On Wednesday morning…check out conditions、.hecalled his children's.to come and help her和第四段中的they found his neighbors、Ott wasabout to tell...people,’”said Ott可知,Ott无惧飓风天气可能带来的危险,营救了许多被困人员,因此,C项(勇敢的和热心肠的)最能概括他的品质。【补充说明】1.ride out the/astorm:战胜风暴2.give out:(指发动机等)停止运转,停机,出故障C篇主题语境:人与社会一一科学与技术本文是新闻报道。学生用3D打印技术帮残疾小狗制作假肢。28.B。理解具体信息。根据第一段中的“I took him to the pet hospital.He was diagnosed withcancer..leg amputated,.”Liberto says可知,Bentley生了一场重病。29.C。理解具体信息。根据第二段中的Liberto decided to get a custom prosthetic leg for him和第三段中的Liberto suggested trying to make a prosthetic leg for her dog可知,Liberto在努力帮Bentley找合适的假肢。30.A.推断。根据第四段中Johnson说的I thought it was a great chance for the students to seea real-world application of what they're learning at school可推断,Johnson希望学生们可以将在课堂上学到的东西应用到生活中。31.C。推断。根据第五段中的It still needs some small changes,and then it should fit perfectly和最后一段中的The students hope to have a finished custom and comfortable prosthetic leg forBentley in the next few weeks可推断,在接下来的几周里,Hollis和他的团队的主要任务是继续完善假肢的设计方案。D篇主题语境:人与社会一一文学本文是议论文。文章讨论了一种新的诗歌类型一一Instapoetry。32.A。推断。根据第一段中的n2012,fewer than7%of Americans had read poetry,which wasdown from 17%in 1992.In 2015,poetry was one of the least popular art activities for Americangrown-ups,with under 10%picking up a book and reading for pleasure可知,诗歌一度受到读者冷落,只有很少的人愿意读诗。33.B。理解词汇。根据划线词后的The fact that it's direct while also being touching is whatinterests many readers和With Instapoetry,itis.simple beauty可知,Instapoetry简单又动人,吸引了很多读者,由此可推断,许多人对它的态度应是支持的,故B项(赞扬)正确。rveabout.极力赞扬…。34.D。推断。根据第四段中的Instapoetry has also been seen as a disgrace to writers…and
Temples have fewer proprietary(品牌专卖的)parts and so are serviceable in any bike shop.Stylishas they may be,the VanMoofs and the Cowboys can be a bit more complex to get back-up andservice.The money-no-object optionRiese Muller Nevo4 GT Vario GXPrice:f5,380Weight:28.4kgRange:up to 93 milesThis is a prime example of the attention to detail delivering a high-quality experience infunctionality,comfort and practicality-if you can afford it.It has the capacity to handle 25kg ofluggage in a pannier,powerful road lights and a beautifully smooth motor.21.What is the advantage of the Temples over other stylish ebike brands?A.They are more lightweight.B.They have more functions.C.They have easier access to service.D.They are more comfortable.22.Which ebike will a consumer probably choose,who cares most about an excellent experience?A.Carbo Model X.B.The VanMoofs and the Cowboys.C.Temple Cycles Classic.D.Riese Muller Nevo4 GT Vario GX.23.Where is the text probably taken from?A.An online post.B.A magazine column.C.A market research report.D.An official document.8Having spent more than a decade on the dance floor,ROME-Niccolo Filippi,a 23-year-oldItalian dance performer,recently decided to explore Chinese culture and its traditional dance formsand believes that this experience will not only boost his career,but also broaden his horizonsbeyond the world of dance.His interest in diversifying his skills grew after he stumbled upon a short video of traditionalChinese-styled dance on YouTube."I saw it as an art that combines tradition and modernity,whichwas mostly the reason why I liked it,"says Filippi.Ever since,he has been closely following Chinese dance performers and watching numerousvideos to learn more about the traditional style that he admires."I prefer the traditional stylebecause of its light movements.It also reflects my personality with elegance,"he adds.Filippi's chance came when he was invited to perform for a Chinese New Year celebration in thecentral Italian city of Florence.He has since fully committed himself to the art form,learning severalpieces and putting his newfound passion into practice."The biggest difference that I found (compared to other disciplines)is the change of mood andemotional expressions among dances,"says Filippi,adding that he needed to shift from thedynamic moves of hip-hop to the graceful and fluid movements of Chinese dance.Despite variousobstacles,Filippi's efforts have not gone unnoticed.Two of his friends shared videos of hisperformances on social media,and the response was overwhelming.One video garnered 500,000views,while the other received 200,000 views.Filippi believes that learning about different cultures is priceless,and he sees it as a means ofpersonal growth."I like to think of a person as a book,"he says."Embracing different traditionsand cultures,such as Chinese culture and many others,is like adding new chapters to my book,making it more diverse and wonderful."24.What is the main reason why Filippi falls in love with traditional Chinese dance?A.Its potential to boost his career.B.Its mix of traditional and modern elements.C.Its graceful and light movements.D.Its true reflection of his elegant personality.25.How does the author illustrate the popularity of Filippi's videos?A.By listing numbers.B.By giving an example.C.By sharing a story.D.By making a comparison.3
金属支沧泼,情沸枝风★)随着原子致的通增,碳金属首卤族元参的变花锐律上演的动测试卷单质的熔沸点均逐渐升高香B.单质的密度均逐渐增大原子的半径均逐渐增大D.单质的化学活泼性均逐渐增强☆)鉴别下列各组物质,选用的方法或试剂达不到实验目的的是C选项7BC24书6%3格0个NH HCO,固Na2O粉末NaCO,溶NaCO,溶液和泽+94二AlH5业16Na~23物质体和NaHCO和NaO2和NaHCONaOH溶液uht装置行年的65Ba~137固体粉末溶液趣绒B.装置Ⅲ中可观雾鉴别方法加热法观察法澄清石灰水AICL,溶液或试剂C.装置Ⅱ的作用小题给出的四个6.可酰除夫C藏中含有的少盗图(Ai0,少十6@★)下列说法错误的是D.样品中Na2O2A市10★★)下列实验液,现用FeC·B.可用铁粉除去FeSO,溶液中含有的少量CuSO,杂质选项列有关说法正确C.可用新制的氯水除去FcCl,溶液中含有的少量FeCL,杂质将干燥乡D.可用氢氧化钠溶液除去C中含有的少量HCI气体杂质7.(★★)下列推测合理的是Jc:loivt204=30网to帅车f的有燥的有布条A.H、CI、MnO不能大量共存,则H+、Br、MnO,也不能大量蜀仰洲偏大用坩埚共存N10t24-m9酬y+9B充满氯B.已知NaCO,溶液和CaC,溶液反应产生沉淀CaCO,因此NaHCO,.溶液和MeCL,溶液反应产生沉淀MgC0「e十o二bu+Fe计C向NaC.NaS2与盐酸反应生成NaCl、S和H2S,则S,Cl2在盐酸中转化为HCI、S和H2S7Mn十1bH+to三/n+5d个tMw向培D.Fe(OH)3可通过化合反应生成,则AI(OH)3也可通过化合反应生成1~28(★★)冻准状况下在甲室中充人25调与昌的混合气体,粒大,m乙室中充入HC1与N2的混合气体,静止付活塞位置如图(活塞体积均11.(★★)1971可忽略)。已知乙室中气体的质量比甲室中气体的质量多123g。将活2H2O塞a去掉,当HCI与NH完全反应后,活塞b将静止于刻度的位置是2Mg(OH)2的稳定性NH,H2aHC、NB通入Mg(C01234678910121314取BMHs,的电子数等甲室三寒/Alt0个+林A.11B.12h风十D.14中分子总数hx0士L5adl±tM9★★)某化学小组用如图装置,模拟呼酸画真中的有关发过测定样品中70NaO2的纯度。已知实验中NaO2样品的质量为8.0g,实验结束后共收集到标准状况下1.12L气体,下列说法错误的是0,、f版、@.u醇,c910
记CH,OH(g)+CO(g)=化剂HCO0CH,(g)△H=一29.1k·mo11(主反应)2CHOH(g)-=HCOOCH(g)+2H(g)△H,=+46kJ·mol1(副反应)①在容积固定的密闭容器中,投人等物质的量的CH,OH和C0,假设只发生主反应,角时间内C0的转化率随温度的变化如图2所示。与a点相比,c点的转化率增大的原晚96.0↑p/MPa95.595.0高考对单元期滚动知93.07075808590温度℃10 t/min典型情图2图3可能用②向三个密闭容器中均充入2 mol CH,OH(g)和2 mol CO(g),假设只发生主反应,在各件下,测得容器内的压强随时间的变化关系如图3所示。已知I和Ⅱ均在体积为2L密闭容器中进行,则Ⅱ改变的反应条件是件是Ⅲ和I相比,Ⅲ只改变了一个条件,刻,判断的理由是③在260℃时,向体积为2L的密闭容器中充人2 mol CH2 OH(g)和2 mol CO,同时发生应和副反应,经过10min反应达到衡,此时n(CO)=1mol,n(HCOOCH3)=1.2m,、选择10min内,副反应的v(H2)=,该温度下主反应的衡常数K=」要求【得题分折0由于gK,=一怎×十C则K,与宁底反比例关系,反应I、Ⅱ的△H药是1.下列在图所示曲线中为a、b,曲线c是△H为负值的反应Ⅲ,又△H,大于△H2,其线“更陡”,故反应I、I对应的黄①pH为a、b。>c(0(2)②I和Ⅱ的起始浓度相同,起始和衡的压强也相同,则两者的温度相同,但是Ⅱ的反应更快,故Ⅱ使A.(化剂:对比Ⅲ和I可知,Ⅲ的反应较慢,说明改变的条件可能是减压或降温,对比Ⅱ和【可知,Ⅲ和I压强改变【解题说明此时衡正向移动,故Ⅲ改变的条件是降温,理由是Ⅲ达到衡时所需的时间比I达到衡时所需的时依据,NH应速率慢,且Ⅲ的压强改变幅度大,反应限度向气体体积减小的方向移动,故Ⅲ的反应温度低。【答案③根据衡时n(C0)=1mo,n(HC00CH,)=1.2mol,可知主反应产生的n(HCOOCH)=1m,2.物质的n(CH,OH=1m0l:副反应产生的mHC00CH,)=0.2m0l,产生的n(H)=0,4mol,消耗的(CH0HD-=AA.B则子衡,时nCH,OD=0.6 miC0》=1no,CHC00CH)=1.2ol,H)=04nci,10mm,内反-0.02 molmin(CH,H)mlC0.5 mol(HCOOCH.6mol【解题CH,COOH0.6应的衡常数K=0.3×0.54。H2O、H2O【答案】1)①-162.04k·mol1(3分)0+(00【答案】②A(2分)3.常温下(2)①c和a均未达到衡状态,升温:反应速率加快,相同时间内转化率增大(2分)大小关②使用了雀化剂1分):降湿1分):该反应为放热反应,降温,衡向右移动,总压强减小,且降温,达个A.a时间比I长,故Ⅲ的反应温度低(2分)③0.02mol·L1·min1(2分);4(3分)【解题分c(H+)=10以得出,两溶【答案(4.在25℃恰好笔
(4)通过电渗析法可由(NH:):MoO,制备八钼酸铵[(NH,),Mo,Os],工作原理如图所示。阳膜只允许阳离子通过,阴膜只允许阴离子通过,双极膜中间层中的水电离为H和OH,并在直流电场作用下分别向两极迁移石墨阴膜双极膜阳膜石图H.ONH,HCO,溶液H(NH.),MoO.溶液OH氨水氨水阳极室碱室酸化室阴极室①阳极的电极反应式为②酸化室生成MoO的离子方程式为③电解一段时间后,溶液的pH减小的室是(填标号)。A.阳极室B.碱室C.阴极室18.(13分)一种从阳极泥(主要成分为Cu、Ag、Pt、Au、AgSe和CuS等)中回收Se和贵重金属的工艺流程如下:苯取剂(RHD反萃取剂O、HNONaCl选液L茶取有机反萃取一CNO),溶液阳极泥→监控一酸浸氧视选液沉限Na,S,0,溶液NaOH、Na,S,O,混合液SO、SeO,滤渣I选渣】溶汉迪液Ⅲ还原Ag滤液N已知:①该工艺中萃取与反萃取的原理为2RH+Cu+一RCu+2H,②SO在碱性条件下很稳定,有很强的络合能力,易与Ag形成配离子:Ag+2SO一[Ag(SO):]N,常温下该反应的衡常数K=2.80×10。回答下列问题:(1)“焙烧”过程中,AgSe发生反应的化学方程式为(2)“酸浸氧化”中,通入O,的目的是(3)“反萃取剂”最好选用溶液(填化学式)。(4)已知K(AgC)=1.80X10。“溶浸”中发生的反应为AgC1(s)+2S0(a9)一[Ag(SO,),]-(aq)+CI(ag),该反应的衡常数K'=(保留3位有效数字)。(5)“滤液V”中含有N:SO,则“还原”过程(SO中元素的化合价没有发生改变)中发生反应的离子方程式为“滤液N”可返回“溶浸”工序循环使用,但循环多次后,银的浸出率会降低,原因是(用衡原理解释)。(6)培烧”产生的Se0,溶于水得到亚晒酸(H:S0),已知常温下H,Sc0,的K=2.7×10,K。=2.5X10,则常温下NaHSeO,溶液的pH7(填“>”“<”或“=”),理由是化学试题第7页(共8页)

生物学(一)1试题)
/化学(1-7)答案)
