肖代中学报B.Stay at home at night.(Text2)英语(B)C.Make less noise at night期（本期4版第9受材料，回答第13至16题。M:Since you've finished writing your book,let'sgo to Disneyland this weekend.Which social networking website does the manW:I'd like to,but I have to go and meet a pub-2023学年13like best?lisher.(Text3)第624期A.Orkut.B.Twitter.C.Facebook.How many active users does Facebook haveW:How do you like your office?around the world?M:It's not so good.We have ten desks all in one2年12月2日出A.Over 66 million.B.Over 80 million.large room.The supervisor is at one end with aC.Over 800 million.view of everyones25015.What is the woman doing in India?W:That can't be good.(Text 4)u A,won momo义2wHA.Sightseeing.B.Visiting some friends.W:Housekeeping.May I come in?50分M:Could you come back a bit later,please?C.Attending a conference.W:Of course.When would you like me to clean16.What does the man offer to do?your room,sir?today.A.Help the woman post pictures.M:In about ten minutes.or supper.B.Be the woman's friends'guide.(Text5)1200C.Contact the woman's friends.)M:What are you doing tomorrow?所第10段材料，回答第17至20题。1TWW:Not sure.nbluo17.How many terms did Franklin D Roosevelt fin-M:How about going out for karaoke with someish as president?friends?6A.3.B.4.C.5.W:My throat still aches from the last time.18.What did American people think of Franklin D(Text 6)ent?29607Roosevelt?W:Ted,supper is ready.空，A.Serious.B.Easy-going.M:I'm coming,Mom...Where is Dad?Does he2C.Humorous.have to work overtime again tonight?19.What do we know about Franklin D Roosevelt'sW:Yes.He just called and told me he couldn'twife?make it for supper tonight.yA.She was the daughter of Theodore Roosevelt.M:Why does Dad have to work so hard?I'm reallyB.She was little known to the American public.worried about his health.He works almost sixtynoC.She was a very popular First Ladyhours a week.20.When did Franklin D Roosevelt lose his legs?W:I'm worried,too,but we need the money.I'll99200月go and find a job next month.Your dad won'tA.In his childhoodhave to work so hard then.ried.B.In his early 30s.(Text 7)nt?C.During the Great Depression.W:What are you doing down there in the basement?听力材料You're making a lot of noise(Text1)M:We're preparing for a performance.We're go-W:What are you doing?M:I just finished my school paper.Now I'ming to play at Linda's birthday party the day af-ter tomorrow.neighbor towatching a movie on the Internet to help meW:I didn't kncould play an instrument.SoADADE 81-11523英语高三A(第15-20期)核心突破（八0）-（十】relax.

oth is56her.In a special ceremped inon a number of social media websites.Many artists around the world jumped into the process,intelligencmany at the same time.wide rangosee a"I was in fear I was going to read a lot of hateful comments.You all have proven me sowhat wer whatwroae.Inasumingmostofyououldbemyhds,andyoualgetanujustjudigementinthistelligencings andword.You ll are caringkorn!Yll have inpired meBelinstead,"Decker wrote on Reddit.able.”24.How did Decker feel after her son posted her painting?that,wA.Worried.B.Grateful.C.Thrilled.D.Angry.are chall25.How did artists join in the painting activities?A.By painting the same bird.售【空微回.骨付是司same“bcreativeB.By sharing the painting process.OnC.By organizing voluntary painters on the Internet.D.By painting the photo posted by the previous painter.memorythe oppo26.What can be learned from Decker's words?frustrateA.She was proud of her painting skill.draw onB.She had learned from some professionals.C.She had thought there existed language violence online.28.WhatD.She found most kids like realistic art to some extent.A.Sumade aC.Cograph of27.Which of the following is the best title for the text?29.Whicthis andA.How painters reacted to a kid's hopeB.How a woman showed respect for peopleALB.Asay respectC.The social media changed a woman teacherC.Usook on herD.One painting started a worldwide painting partyCDCpainting.就ha“I paintedthe eyeary tobe ocusd,productive andof Zetter-say it so plainly,but it's also accurateAFpainted theYear's resolutions are about trying to get smarter.Kn.The cap-tistingus between typesee"Crystallized intelligence"isCCpainted thengiked ther times tablesor the cpties of every state in America.Crystallized intelligence is cumulative,and it builds as wdeepenoendergf facis,re and concptsof paintingsor a productive,positive New Year,though,we might be wise to focus on "fluiJD·英语】414【23新教材老高考·JD·英语】

vas conducted by lead author Laura Cuaya,a neurobiologist at Eotvos望第三次测试Hungary,who recently moved from M-是全国©©所名校高考模拟金典卷In previous research,Cornelis and her team discovered that a genetic variant (maycontribute to why some people enjoy many cups of coffee a day,while others do not."Peoplewith the gene metabolize(新陈代谢)caffeine faster,so the stimulating effects wear off faster,and they need to drink more coffee,"she said.In a new study published in Scientific Reports,Cornelis analyzed more precise types ofcoffee drinkers,separating black coffee lovers from cream and sugar (or more)lovers."Wefound coffee drinkers with the genetic variant that reflects a faster metabolism of caffeine preferbitter,black coffee,"Cornelis said."We also found the same genetic variant in people whoprefer plain tea over sweetened,and bitter,dark chocolate over the more mellow milk密chocolate.”A28.Why do some people prefer bitter chocolate?小个一音司议组每司月面有面权碧母家和。置的远等量分并，A.They are affected by their genes.。威一身拉是。小B.They know it benefits their health.Poivor od lo dnirl nem sd oob sdwC.They've got the habit since childhood.08619VA8D.They are influenced by their friends.封C29.What does the underlined word "pronounced"in paragraph 2 probably mean?B.Changeable.C.Obvious.D.Fundamental.A.Complex.B30.What can be inferred from the third paragraph?29Be9r99197A.People often give misleading suggestions.3701DAA、B.People should choose calorie-free coffee.9ob0时n80v9RF1而obsC.The effect of coffee on health is overstated.线计D.Sugar and milk are damaging our health secretly.,小：小1共)小个序白感处有妇世白能地时w时面用D31.What's the text mainly about?:面自度卖面以培河B.How to make coffee.A.How to keep healthy.场组封，同答C.Why chocolate gets popular.D.Why people like black coffee.程滚调9If you were to move to a new country with a different language and bring along the familydog,your pet would likely have a hard time understanding commands from the locals,accord-ing to a new study looking at how dogs'brains react to different languages.高等材弹福】66

2023高考名校导航金卷·英语（三）参考答案、提示及评分细则听力部分录音稿(Text 1)M:What would you like on your sandwich?W:Can I have cheese,ham,and mustard but no tomato please?And a coffee to go.M:Certainly.I'll be back in a few minutes.(Text 2)M:Did you order the birthday cake for Sarah's party?W:It was such a busy day.I totally forgot about that.M:Don't worry.I will collect it tomorrow morning.(Text 3)M:I was thinking of going to the mall today.Would you like to join me after this class?W:That sounds like fun.I'll just need to stop by the bank to get some money before we go.(Text 4)M:Only an hour left before the public sale is over!Should I buy the necklace or that ring?W:I think your mother would like the earrings better,and they're at a reasonable price.(Text 5)M:I know why you can't get to sleep at night.It's because you are drinking that stuff so late in the evening.W:But I always have a cup after a meal.Besides,it helps me digest my food.(Text 6)M:I'd quite a successful day yesterday.I finally got the car repaired,I applied for a new job and I wrote a long letterto my sister.W:Did you take the cat to the pet hospital?M:Yes!Sorry,I forgot to mention that.W:I'm glad you wrote to your sister,and now that the car is fixed,I must go and visit her.M:I wish she lived closer.I told her that in the letter.W:I could take her a present if you like.M:I was looking for something in the shops on Tuesday,but found nothing satisfactory.(Text 7)W:Should I change my hairstyle?I've had it short for a long time now.Maybe I should grow it to a medium length.M:I always liked your hair when you were younger and you had it long.It really suited you.W:Maybe.But longer hair looks better on younger women.Each time I had a child,I had a different hairstyle-longfor the first,medium length for the second and finally short.M:I think the children have probably got used to seeing it short.Maybe you should have it medium-length again as acompromise.W:I think you're right.I cut it my myself in the past but maybe I'll have to start going to a salon.M:Why don't you ask your sister to do it?Her hair is nice and she does it herself.W:Good idea.I'll ask her tomorrow.(Text 8)W:Good morning!Welcome to the office.M:Thank you.I'm excited to be here and learn more about the new job position.W:Let's begin the interview.It's a junior management role in our New Media Office,and you'll be directly reporting toMr Hawkr,who is the head of the department.Can you tell me about your journalism experience and the jobrole now?M:I started at a local newspaper as an editor four years ago.I wrote public interest stories for the newspaper and whenwe started to explore the social media,I managed several media accounts that linked to our website.I am now a【2023高考名校导航金卷·英语（三）参考答案第1页（共4页）】

的能力。由材料可知，1894年相较于1840年前，无论是生丝出口值、内销值还是制丝总收人，均有大幅增加，表明这一时期中国农业商品化趋势增强，故选D项；近代中国入超局面一直没有改变，故排除A项；生丝的出口或内销值的变动并不能说明列强资本输入规模扩大，故排除B项；生丝内销值增多并不意味着这些生丝是近代民族工业消耗的，故排除C项。10.B【解析】本题考查近代社会生活的变迁，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。由材料可知，19世纪8090年代，普通人的社会生活受到新式钟点的影响，这表明新式生活方式日益扩散，故选B项；使用新式钟点来记录生活并不属于文化侵略，故排除A项；使用新式钟点来记录生活并不意味着生活奢侈化，故排除C项；新式钟点并一定都是由中国自己制造的，故排除D项。11.B【解析】本题考查新中国初期的经济建设，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。解读表格可知，19491957年我国建制市呈上升趋势，这主要得益于当时我国经济的发展，故选B项；根据表格信息，无法判断城市规模大小，故排除A项；材料信息不能表明当时国家重视城市规划，故排除C项；材料中没有城市布局的信息，故排除D项。12.C【解析】本题考查新中国政治观念的塑造，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。由材料可知，1953年国庆前，政府要求各地举办国庆纪念活动，这有助于建构政治认同，故选C项；1953年恢复经济的工作已经完成，故排除A项；举办国庆纪念活动并不属于民生建设，故排除B项；这一措施与重塑民族精神无关，故非除D项。13.B【解析】本题考查毛泽东的外交思想，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。据材料可知，20世纪50年代至70年代，随着国际形势的变化，毛泽东不断调整其对世界局势和国际力量的判断，由中间地带到两个中间地带，再到三个世界的划分，充分体现毛泽东对世界政治形势的客观分析，故选B项；材料中毛泽东未提出多极格局演变的复杂性，故排除A项；材料未体现国际军事安全形势的严峻，故排除C项；20世纪50年代，不结盟运动尚未出现，故排除D项。14.A【解析】本题考查经济体制改革，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。据材料可知，1984年11月，上海出现了第一家试行股份制经营的股份有限公司。股票制公司在中国的出现，说明了经济体制改革的探索，故选A项；“不复存在”表述错误，故排除B项；当时股份制公司刚刚兴起，还未大量出现，故排除C项；材料仅体现了股份有限公司在中国的出现，并未涉及经济模式，故排除D项。15.C【解析】本题考查雅典民主政治，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。据材料可知，古代雅典政争甚烈，辩士群起，各竞辞峰，语术研究因此兴起，这说明当时雅典直接民主推动雅典演说的盛行，故选C项；材料并未说明辩论演说降低了民主决策的功能，故排除A顶；材料没有涉及政治氛围，故排除B项；D项表述与材料信息不符，故排除D项。16.A【解析】本题考查修昔底德的史学观念，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。据材料可知，古希腊历史学家修昔底德论述历史的标准之一就是看所闻之事是否合乎人之常情，并在著《伯罗奔尼撒战争史》时亲自考察，这些信息均说明修昔底德的历史观具有一定的人文主义色彩，故选A项；“开创”一词表述绝对，故排除B项；材料信息只能说明修昔底德对人之常情的认可，与事物内在联系无关，故排除C项；材料未突出历史对现实的指导作用，故排除D项。17.A【解析】本题考查罗马法，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。据材料可知，古罗马时期，嫁资逐渐由开始的丈夫支配演化为保证丈夫在离婚情况下归还嫁资，罗马共和国末期还出现了关于返还嫁资的独立的诉讼形式，从这些信息可以看出，嫁资制度的演化一定程度上维护了妻子的物权，说明罗马法注重对物权归属的界定，故选A项；古罗马社会属于男权社会，罗马法以维护男性物权为主体，故排除B项；C项“已形成完整的私法体系”表述错误，故排除C项；材料虽然提及离婚率，但不能说明罗马法对离婚行为的默认许可，故排除D项。18.D【解析】本题考查英国代议制，考查学生获取和解读材料信息、运用所学知识分析历史现象的能力。据材料可知，“光荣革命”后，英国政府的拨款需要议会的批准和监督，这表明议会下院已成为国家权力中心，故选D项；材料中并未体现出议会同王权的矛盾，故排除A项；材料中并未体现出有限王权，故排除B项；材料中并未体现出君主拥有特权，故排除C项。【高三历史·参考答案第2页（共4页）】

▣高一同步周测卷/历史8.朱东安、张海鹏等学者认为：“灭洋”是义和团运动的口号和斗争目标，其笼统排外的表现形s式，正是中国人民的一种“不成熟的反帝思想和原始的反抗形式”，是“一个被压迫民族在生(十二)中国史综合死存亡的危机关头所自然产生的一种要求生存权利的本能反映”。该观点A.未认识“灭洋”口号的局限性B.夸大了“灭洋”口号的进步作用(考试时间40分钟，满分100分)C.肯定了义和团反帝爱国的性质D.强调反帝必须与反封斗争相结合9.《纽约时报》驻汉口记者报道，湖北革命军发布公告宣称：任何对外国人或商业经营进行干扰、选择题（本题共15小题，每小题4分，共60分。在每小题给出的四个选项中，只有一项符合的士兵都将被立即处死；这是一支人民的军队，将推翻残暴的满洲王朝，恢复真正的中国人的题意)权利。从报道中可以看出这场革命L.下表为西汉淄川国诸王世系表。该表可以用来说明西汉时期A.拥有广泛的群众基础B.锋芒集中指向清王朝世系第一代第二代第三代第四代第五代第六代第七代第八代第九代C.获得国际舆论的支持D.体现反帝反封建性质10.1920年11月《共产党》发刊词写道：“吾人生产方法除资本主义及社会主义外，别无他途。数诸侯王名刘贤刘志刘建刘遗刘终古刘尚刘横刘友刘永资本主义在欧美已经由发达而倾于崩坏了，在中国才开始发达，而他的性质上必然的罪恶也王国领地28县28县11县11县7县7县3县3县3县照例扮演出来了。代他而起的自然是社会主义的生产方法，俄罗斯正是这种方法最大的最A.分封制逐渐被废除新的试验场。”据此可知B.中央集权不断加强OC.君主专制渐趋强化A.国人普遍意识到资本主义制度的弊端B.社会发展必须经过资本主义阶段D.诸侯传承方式改变2.科举制的出现，使社会下层知识分子，也能通过刻苦攻读金榜题名，进而获得较高的社会地C.中共积极推进马克思主义中国化进程D.中国选择马克思主义具有合理性龙位，这便在资源稀缺的封建时代形成了一个重要的缓冲带。这表明科举制11.1938年11月南岳军事会议召开，国民党军训部部长白崇禧提出：“第一期作战，我们用正规A.加强了中央集权战术，与日军打阵地战，蒙受了巨大的损失；第二期作战我们要改变过来了，我们要以不规律B.结束了贵族特权C.促成了读书风尚D.推动了阶层流动的游击战、运动战为主，配合必要的阵地战，交互为用，造成最有弹性的持久的战法。”这表明3.唐代书法艺术“尚法”，积极浪漫且感性，楷书、草书多样发展，法意相参；宋代书法艺术“尚国民党A.依然顽固地强调阵地战的主导地位意”，向内收敛，消极沉静，理性行书大兴，以闲适为主调，意趣兼备。这一变化反映出宋代B.试图调整作战方式以争取持久抗战A.商品经济的发展C.完全接受中国共产党敌后游击战术D.努力借鉴中国共产党全面抗战路线B.书法技巧的成熟12.根据下图可知C.市民阶层的兴起褓D.理学思想的影响4.下面是反映某朝中央官制的示意图。这个朝代是⑤皇帝②黛①中书门下枢密院翰最高行政机构最高军政机构长官行宰相职权19621965分行政权分财权19501959196319661975(年参知政事三司使新中国成立后五个时期的科技发展情况曲线图O副相A.“一五”计划促进①时期的科技发展原A.西晋B.唐朝B.成功发射人造卫星成果是在②时期取得的C.北宋C.“文革”使④时期没有取得任何成就版D.明朝5.明中后期，福建地区人稠地狭，玉米、甘薯、南瓜等农作物传入后，在政府的鼓励下，迅速在八D,原子弹、氢弹是在⑤时期取得的重大成果闽地区推广开来。据此可以推知，高产作物的传入13.下图是1964年出版的《奋发图强，争取农业大丰收》宣传画：一位强壮的男社员，在脱粒机A.加剧了生态环境破坏B.彻底替代了传统作物旁，手捧着倾泻而下的谷子，笑逐颜开。该作品旨在C.缓解了闽地粮食压力D.促进了经济重心南移外6.黄宗羲的《明夷待访录》被誉为17世纪中国的“民权宣言”，他在书中提出“天下为主，君为客”，以及学校的功能是“公其是非”的民主论坛等主张。据此可知黄宗羲思想的核心是A.反对君主专制B.主张思想统C.完善八股取士D.赞同重农抑商7.19世纪中叶以后，在中国与世界其他国家间形成了劳动力输出的“苦力贸易”使华工广布于美洲和大洋洲。由此可见，“苦力贸易”A.使华工成为各国建设主要劳力B.为当时中国带来了巨额外汇收入A.倡导农村进行社会主义改造B,激励农民投身社会主义建设C.提升了中国在世界上的影响力D.客观上促进了中外文化交流学C.宣传国民经济建设调整政策D.赞扬包产到户取得显著成效历史（部编版）第1页（共4页】衡水金卷·先享题·高一同步周测卷十彐历史（部编版）第2页（共4页）新教材

2023届高三调研检测考试英语试题注意事项：下1.本试题共10页，满分150分，时间120分钟。2.答卷前，考生务必将自己的姓名和准考证号填写在答题卡上。3.回答选择题时，选出每小题答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其它答案标号。回答非选择题时，将答案写在答题卡上。写在本试卷上无效。4.考试结束后，监考员将答题卡按顺序收回，装袋整理：试题不回收。第一部分：听力（共两节，满分30分】第一节（共5小题，每小题1.5分，满分7.5分】听下面5段对话。每段对话后有一个小题，质题中所绘的AB、C三个选项中选出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题系阅读下一小题。每段对话仅读一遍。1.What does the man want to buy?A.A book.B.Some peper.C.Some pictures.2.Where are the speakers?A.At a crosswalk.B.On a race course.C.At a swimming pool.3.ha过will the wom2ndo?A.Drive faster.B.Have an interview.C.Take a test.4.Howwǖthe speakers g面he exhbition7A.By bicycle.B.Br car.C.Bs山w5.What time is it now?A8:00B.8-30C8-45第二节（共15小题，每小题1.5分，满分2.5分)听下面5段对话或独白。每段耐话或砸白后有几个小题，双题中所给的AB.C三个选项中选出最佳选项。听每段对话或独白前你将有时间阅读各个小题，每小题5秒钟：听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两痘。线听第6段材料，国答第67题。6.What do the speakers deeide to do this weeendA.Visit a hockey peofessionalB.Watch a hockey game.C.Join在hock2y2m7.Who was a professional hockey player?防届高三莫语海研检海考试-1-《共夏页》

41.A.go downB.cheer upC.stay awayD.come out42.A.imaginingB.remindingC.orderingD.insisting43.A.rulesB.directionsC.introductionD.advice44.A.touchB.pressC.pushD.find45.A.emphasizingB.learningC.rememberingD.ignoring46.A.workB.figureC.putD.keep47.A.In totalB.At lastC.After allD.Of course48.A.niceB.secretC.hardD.bad49.A.longestB.worstC.latestD.loudest50.A.annoyedB.worriedC.confusedD.excited51.A.surpriseB.screamC.silenceD.safety52.A.climbedB.racedC.pulledD.jumped53.A.aimlessB.carelessC.fearlessD.lifeless54.A.proudB.afraidC.tiredD.aware55.A.roofB.wallC.floorD.stand第二节（共10小题；每小题1.5分，满分15分）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Shennongjia is one of the most popular scenic spots in China.It is said to be the place 56 theEmperor Yan once lived.Some visitors hope that they may even encounter the legendary "wild man".They do not actually see any wild man,57 they're attracted by Shennongjia's natural wonders andrich biodiversity.Shennongjia's beauty 58(vary)from season to season.Tourists can enjoy flowerblossoms in spring,be shaded 59 the summer heat,appreciate red leaves in autumn and go skiingin winter.Official data showed that tourist60(visit)to Shennongjia Forestry District reached morethan 15.5 million last year.And the forest area aims 61 (increase)that annual figure to over 30million in the near future.The journey to Shennongjia will take up to five hours from nearby Yichang andShiyan City.It 62 (estimate)that Shennongjia will be linked to a 63(new)builthigh-speed railway,making the mountainous region more accessible.From Nov.1 to Dec.31,tourists can buy a 64 (discount)ticket of the six major scenic areasin Shennongjia for 99 yuan,about 40 percent of 65 original price.第四部分写作（共两节，满分40分）第一节应用文写作（满分15分）假如你是高三学生李华，打算毕业后申请去香港大学(Hong Kong University)学。因此你给该校写了一封电子邮件，咨询相关事宜。要点如下：1.如何才能被你感兴趣的专业录取：2.是否需要参加英语考试：3.该校的学费，食宿安排等情况。注意：1.词数为80左右：2.可适当增加细节，以使行文连贯。湖北省新高考联考体*英语试卷（共8页）第7页

某同学要测量微安表内阻，可利用的实验器材有：电源￡（电动势1.5V,内14.(9分)很小)，电流表A(量程30mA,内阻约302)，微安表G(量程100uA,内阻F待测，约1kQ),滑动变阻器R(最大阻值102)，定值电阻（阻值52），无关S,导线若干。(1)在答题卡上将图甲中所示的器材符号连线，画出实验电路原理图。10甲乙(2)某次测量中，电流表A的示数I如图乙所示，则I=8)mA,此时通过微安表的电流为90.0A,根据以上数据计算出微安表内阻R。=5Ω三、计算题：本题共3小题，共46分。解答应写出必要的文字说明、方程式和重要演算步骤；只写出最后答案的不能得分；有数值计算的题，答案中必须明确写出数值和单位。15.(10分)PV:mRT、1呀Pv,=nRT2021年7月，神舟十二号航天员刘伯明、汤洪波身着我国自主研制的新一代“飞天”舱外航天服成功出舱。航天服在使用前要在地面实验室内进行气密性测试，已知实验室内的热力学温度为T0、压强为o。在某次测试中，向密闭的航天服内充入一定量的气体，并将航天服上的所有阀门拧紧，此时航天服内气体的温度为T(>1压强为p0(心？)，经过一段时间后航天服内气体的温度降至I不考虑航天服内4部体积的变化，航天服内的气体视为理想气体。求：(1)航天服内生体温度降至To航天服内气体的压强P:2)航天服内气体的温度降至？将航天级上的阀门打开，缓慢放气至航天服内气体与外界达到衡时，PV=B(V+△V)航天服内剩余气体与放出的气体的质量之比V华：AV:(P-Po)Vm-PVm=Pv理试题第5页（共6页）v:号△MP.△V2k-1

为数2023届高考模块分段测试卷（三）为数学参考答案A一学得常+所-√得+（停了-孕做造入2C段等是数{a)的公差为d,则=3，所以a,+a+aa-m+3d+a,+3+am十3d=(a,+a+a,)+9d=17+9日周为++一碧=动所中-+日++一努×7=0放选BX3=L截进Ca as4d2-3a-1=04C若x是纯虚数，则解得a=一，所以a=一}是：是纯虚数”的充要条件，故选C2a-2≠0，D--会-2水》-碧故毒D6c因为=23，a1-a.=4n,所以a2-a=4X1,a-a=4X2,…,4.一a-1=4X(n-1）,累加得：a-a1=4X[1十2×21+123+3++-D1-2a。10.所a-2-2n+23,故会-2n+9-2,令a-号，所以6，-6=2(n+1n+12-(2+9-2)=2223,当1S2时A1,当≥9时A>6,所以(6，)n--要故选Cn(n+1)6-2>0,7.B因为{a)是递增数列，所以1,解得2