首页 北京高考专家联测卷答案
  • 石室金匮 2024届高考专家联测卷(三)化学答案

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  • 2024届北京专家卷·语文高考仿真模拟(一)1试题

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  • [石室金匮]2024届高考专家联测卷(五)历史答案

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    300武80雨水4001400羽月16002花1400T20120花岗岩微细裂隙图13图14(1)说明福建省年降水量的空间分布特点及其成因。(6分)(2)解释福州市区温泉形成的地理条件。(8分)(3)


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    在度与微情9》中Dom驾车连续飞跃T阿提哈德大厦的,Y奇林大黄。标大楼可为分布在条直线上相绵衡栋的楼同距的为0R,D驾驶的汽车最大速度可达396m变使力加速度g取10ms,则完成次飞肤时下落的最小高度


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    14.下列对这首诗的理解和赏析,不正确的一项是(▲)3分)A.本诗写了诗人梦前、梦中的场景,表现了诗人对李白的深厚情谊,情真意切。B.“死别”句,诗要写梦,先言别;未言别,先说死,以死别衬生别,极写李


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    (2)据分析可知,PLK4活性受抑制后,TRIM37正常表达,许多癌细胞和正常细胞仍可发生非中心体型纺锤体组装的原因是:失活的PLK4形成PLK4凝聚体,招募其他成分充当中心体作用,形成非中心体型纺锤


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    本小题满分12分)某菜农有甲、乙两处大棚,其蔬菜产量之比为5:3现从两处菜棚按分层抽样的方法得到一个样本,其部分统计数据如表(单位:袋),且每袋蔬菜包装上都有标记等品二等品总计甲棚蔬菜¥乙棚蔬菜8立德


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    故选D。4.下图是DNA和RNA组成的结构示意图,下列有关说法错误的是()DNA基本单位:脱氧核苷酸4种磷酸/1碱基核糖RNA基本单位:GC核糖核苷酸4种磷酸)5核糖碱基A.甲型H1N1流感病毒有4种


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    第三单元细胞代谢)学生用入带③可以证明细胞是活的;④还可以大致测出细C.质壁分离复原过程中,细胞的吸水能力胞液的浓度;⑤证明原生质层的伸缩性大于细逐渐降低胞壁。D.1mol/L NaCl溶液和1mol


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    因型是AABb或AaBb,白花植株的基因型是aa_或A_BB。第1组中F2的性状分离比是“3:1”的变形,所以F,


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  • 2024届北京专家卷·英语高考仿真模拟(三)3答案

    听说材料第二节询问信息二模竹朝读略参考答案信息获取一节听选信息模仿朗读参听第二段对话,回答第1-2两个问题。现在你有10秒钟的阅题时间。W:You look so worried.What's the matter?套略信息获取1.He is shy.M:It's about my son,Tony.He is too quiet.He doesn't like2.Do more sports.talking with people.答案3.Because it's too noisy.4.Find a new house.W:What does he usually do in his free time?5.Rainy.6.Watch a movie.M:He always stays at home alone.7.15.W:That's the problem.He should play more sports.Then8.She can't hang out with her friendshe can make friends with others.9.Once a week1.What is Tony like?2.What should Tony do?10.Because her mom read her diary.gg听第二段对话,回答第3-4两个问题。现在你有10秒钟的三、信息转述及询问阅题时间。Let me tell you something about Susan.She is参W:I can't stand my roommate anymore.I want to move参from the US.Last month,she came to Beijing withto a new house.her friends for a summer camp.Yesterday,theyM:What happened?wanted to go to the zoo,but they didn't know theW:She plays loud music every night.It's too noisy.Iway.So Susan asked a Chinese boy for help.Susan案can't sleep well.can't speak Chinese well and the boy couldn'tM:Why don't you have a talk with her?案understand her,so she drew some animals on aW:I did,but it didn't work.Now I just want to leave herepiece of paper.Soon the boy knew her question andas soon as possible.showed her the way to the zoo3.Why can't the woman sleep well?1.How did you go to the zoo?4.What does the woman plan to do?2.What animals did you draw on the paper?听第三段对话,回答第5-6两个问题。现在你有10秒钟的阅题时间。W:We can't go mountain climbing as plannedbecause of the heavy rain考M:Never mind.We can stay at home and play学美径报社EARNING ENGLISHgames.Do you like playing cards or chess?W:Neither.I'm not good at them.What aboutwatching movies?第23期M:That sounds great.I am sure that we will have a八年级广东小报能力提升good time.(Unit 4)5.How's the weather now?6.What will they do next?e第二节回答问题A.听句子(B)1.When did JaI'm Nancy.I love my parents,and they love me,too.Butsometimes their love gives me much pressure.I'm already 15.InWEDFRISUNthe eyes of my parents,however,I'm still a baby.They never2.What is wrong with Sanallow me to hang out with my friends.They worry that I may考learn something bad.Every Sunday,they go to the footballtraining center with me,although it is only five minutes'walk男A)3.Which competition did Judy win yesterdayfrom my home.Once I saw my mother reading my diary.I wasangry,but she didn't think it was a big deal.I talked about my案problems with my best friend,but I learned she had the sameproblems.A7.How old is Nancy?8.What CAN'T Nancy do?9.How often does Nancy practice football?wdid Lu10.Why was Nancy angry?⑧三、信息转述及询问第一节信息转述听力材料I'm Susan.I am from the US.I came to Beijing1.Jane argued with her classmate last Fridaylast month with my friends for a summer camp.考Yesterday,we wanted to go to the zoo,but we didn't2.Sam has a toothache because he eats tooknow the way.So I asked a Chinese boy in the street力much sweet food.3.Judy won the singing competition yesterday.for help.I can't speak Chinese well and the boy4.Mike is going to drive to the library to returncouldn't understand me at all,so I drew somesome books next.animals on a piece of paper and showed the picture5.Luna rode to school this morning instead ofto the boy.He looked at the picture carefully.Soonhe knew my question and showed me the way to thetaking a bus.Z00.4

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    7.我必须留短发。4.妈妈每天早上帮我弟弟整理床铺。I have to keep my hair short.Mom helps my brother make thebed8.我们可以把音乐播放器带到学校吗?every morning.Can we bring music players to school?5.南希总是午饭后和她哥哥一起洗碗。9.在我可以看电视之前我必须读一本书。Nancy always doesthedishes withI must read a book before I can watch TV.her brother after lunch.10.晚饭后我也不能放松。After dinner,I can't relax,either.Self CheckⅡ,根据对话内容,从方框内的选项中选出能填入词汇串烧空白处的最佳选项,其中有两个为多余选项。根据短文内容及汉语提示,填写单词或短语,每空A:Hi,I'm Jerry.(1)A一词。B:Mandy Miller.Rules at homeA:(2)CMy name is Liu Li.Now I'm in the UK and IB:Yes,I am.And it's my first day here.live with an English familyA.What's your name?Mr.and Mrs.White are very nice,but they areB.What do you think of our school?()strictwith(对...要求严格)theirC.Are you a new student in our school?D.There are too many rules in the school.two children and me.There are many rules for usE.Do you have any rules in your old school?to(2)follow_(遵循).Here are some of them:F.I think the rule is good for us.G.Do you have a good time on your first day?A:(3)G·We must get to school(3)on_'time(准时.B:No,I don't.In class,we must(4)listen to(听..…)A:Why do you say so?teachers carefully.And we cannot(5)fightB:(4)DFor example,we can't use the the(打架)with our classmates.On school nights,wephone at school!cannot go out after eight.A:(5)F It can help us focus our mind onEvery day,we must read for an hourstud心(集中精力学习).(⑥before_(在..以前)going to bed.AndB:Maybe you are right.when reading,we must(7)keepquietA.What's your name?B.What do you think of our school?(保持安静).C.Are you a new student in our school?D.There are too many rules in the school.Do you have any rules in your old school?the rule is good for us.G.Do you have a good time on your first day?Ⅱ.阅读短文,从每小题所给的A、B、C、D四个We also have to do housework like选项中选出一个最佳选项。Lisa is five years old.She likes to listen to(8)doingthedishes_(洗餐具)andstories before bed.This evening,her mothermaking the bed.When our shoes gettells her a fun 1.The name of it is Mr.(9)dirty(脏的),we must brush them byGumpy's Outing.Her mom tells it like this:ourselves.Mr.Gumpy lives by the river and he has a smallMrs.White often says,"It's(10)important(boat.On a nice morning,he 2 by boat.Twofor you to follow these rules because they arechildren and some animals want to take 3 boatgood for you."for fun,too.(C)1.A.clubB.book C.story D.game(A)2.A.goes outB.goes homeC.gets onD.gets up(D)3.A.herB.theirC.our D.his基He makes some 4 for them."You have to be1.单元收藏夹(短语和句子汉译英)。quiet on the boat.Don't play with water ()And础1.外出(娱乐)go outyou can't jump (on the boat,5,"Mr.Gumpy2.整理床铺says.He asks them to 6 all the rules well.Theymake one's bed训too manysay OK and get on the boat one by one.7 they3.太多forget (the rules soon.练4.遵守规则follow the rules5.在餐厅里in the dining hall(C)4.A.calls B.dishes C.rules D.trips6.不要在走廊里奔跑。Don't run in the hallways.B)5.A.alsoB.either C.only D.never(A)6.A.follow B.make C.stop D.relax(C)7.A.Because B.Before C.But D.Or3

  • 2024届北京专家卷·语文高考仿真模拟(三)3答案

    6.下列对小说相关内容的理解及艺术特色的鉴赀,不正确的一项是(3分)A.父亲“伐树”被拒后,利用“国积不用的生牛皮”、挂起“红漆写就的牌子”等细节都体现了他面对困雅时的智恕。B.在教学过程中,父亲通过自己编创的文句来引导孩子们尊重自然,学会与自然共融共生,并培养他们的爱国情怀。C.小说以“冬天来临,雪沃草原”上的景象结尾,暗示着父亲在未来的办学之路上,将有着更多的压力与挑战。D.县委书记王石由最初反对父亲办学到后来帮着出谋划策,这一变化表明他对父亲的理解和尊重,凸显了父亲形象。7.下列对小说人物语言的分析鉴赏,不正确的一项是(3分)A.句沁多主任毫不犹豫的回答,表现了他对父亲的信獭与支持,也暗含沁多主任与父亲往日的情谊。B.b句香萨主任用富有地域特色的语言回绝了父亲的请求,他的态度也代表着多数牧民对办学的想法。C.c句父亲连用三个反问表明了自己在升迁与办学中的抉择,强调了父亲改变当地教育现状的决心之大。D.d句表现了洛洛对“上学”意义的困惑以及对父亲的不满,经由发问与解答,既见痼疾,又见希望。8。县委书记王石说“草原上办学校,就是把星星搬到地上,再把星星的光搬到人心里”,请结合全文谈谈你对这句话的理解。(4分)9.小说第7段用了大量篇幅描写父亲与马的对话与互动,这样写有什么好处?请结合文本简要分析。(6分)二、古代诗文阅读(35分)(一)文言文阅读(本题共5小题,20分)阅读下面的文字,完成10~14题材料一:凡治国之道,必先富民。民富则易治也,民贫则难治也。是以善为国者,必先富民,然后治之。昔者,七十九代之君俱王天下者,何也?必国富而粟多也。夫富国多粟生于农,故先王贵之。凡为国之急者,必先禁末作,末作禁则民无所游食,民无所游食则必农。民事农则田垦,田垦则粟多,栗多则国富。国富者兵强,兵强者战胜,战胜者地广。是以先王知众民、强兵、广地、富国之必生于栗也,故禁末作,而利农事。念为末作奇巧者一目作而玉目食农夫终岁之作不足以自食也。然则民舍本事而事末作。舍本事而事末作,则田荒而国贫矣。不生粟之国亡,粟生而死者霸,栗生而不死者王。粟也者,民之所归也:栗也者,财之所归也;粟也者,地之所归也。栗多则天下之物尽至矣。粟者,王之本事也,人主之大务,有人之涂,治国之道也。(节选自《管子·治国》,有删改)材料二:无宿治,则邪官不及为私利于民。而百官之情不相稽,则农有余日;邪官不及为私利于民,则农不败。农不败而有余日,则草必垦矣。普粟而税,则上壹而民平。上壹,则信:信,则臣不敢为邪。民平,则慎;慎,则难变。上信而官不敢为邪,民慎而难变,则下不非上,中不苦官。下不非上,中不苦官,则壮民疾农不变。壮民疾农不变,则少民学之不休。少民学之不休,则草必垦矣。高中毕业班综合测试(二)语文第5页(共8页)

  • 2024届北京专家卷·语文高考仿真模拟(三)3试题

    23:11⊙令HD49l5①16.(6分)①写诗人纵情寻醉,暂且自欢,表面旷放,实则苦痛的悲愤。②诗人置身旧都,政治上不得伸展的无奈。(每点3分)17.(6分)(1)举以予人如弃草芥2/3刊珠玑户盈罗绮)示列一:长风破浪会有时,直挂云帆济沧海;示例二:穷且益坚,不坠青云之志;示例三:路漫漫其修远兮,吾将上下而求索(每空1分)18.(2分)①不可小觑/不容小觑/不可低估②勃勃生机/盎然生机(每空1分)19.(5分)①强调的重点不同:改句的重点落在“伸出来”上,强调叶子的生长;原句的重点落在“小叶”形态和颜色上,强调叶子的饱满、多汁、翠绿。②语言风格不同:改句比较普通,原句多用短句,更口语化,活泼灵动,和整个文段的文风更和谐。(答对一点得2分,两点得5分)20.(3分)AA表示和前面所说的情况或状态相同B表示委婉C表示转折D表示强调21.(6分)①经常出现负性情绪的人②要接受自己/要接受事实③人在哭泣时(每空2分)22.(4分)我们还可以尝试深呼吸、实物宣泄的方法,但要注意在不伤害他人和自己的前提下进行。(“尝试”缺少宾语,“在以不伤害他人和自己的前提下进行”句式杂糅)23.(60分)参照2023年全国高考作文评分标准。参考译文:材料一:大几战争,如果处于敌众我寡,敌强我弱,兵力对比于我不利的形势下;或者敌人虽远道而来,但粮饷供应源源不断,对于此种敌人我们都不可立即与其进行决战,而应当坚守壁垒,持久防御以消耗和拖垮敌人。这样,就可以最后打败敌人。诚如兵法所说:“不轻易与敌决战的主动权要牢牢掌握在我手中。”唐朝武德二年,秦王李世民奉命率军东渡黄河讨伐割据势力刘武周。江夏王李道宗当时十七岁,随军从征,与李世民一道登上玉壁城,观察敌人阵势。世民回过头来对道宗说:“敌人依仗其兵多势众,企图与我军决战,你说我们应当怎么办?”道宗回答说:“敌人锋芒正锐不可直接抵挡,但容易用计谋使他屈服,难以单凭武力同它争胜。如今我们挖深壕沟筑高营垒,来挫败敌人锋芒,这群乌合之众,一定不能持久作战。等到其粮草耗尽,必定自然离散,那时我们将不战而擒获敌人。”世民称赞地说:“你的见解与我的想法完全相合。”其后,敌人果然粮尽而连夜北逃,李世民率军追到介州,一战而把刘武周军打得大败。材料二:诸葛亮驻扎在阳平,派遣魏延等军队合兵向东,只留有不足一万人守城。司马懿亲率大军二十万抵挡诸葛亮,恰好与魏延军队错道,直接开到阳平,距离六十里路时,其侦查哨兵说诸葛亮在城中兵少力弱。当时诸葛亮也获知司马懿马上攻打阳平,大战在前,考虑与魏延军队合兵,但是军队已滁州市高三语文参考答案第2页(共3页)经走远,派人令军队回防,恐怕时间也来不及,将士失色,都不知道如何应对。诸葛亮神态自若,命令军中都偃旗息鼓,不得妄出,又命令打开四方城门,出几个人于城门前扫地。司马懿经常说诸葛亮谨慎持重,但是很少见到其示弱,因此怀疑有伏兵,于是领军向北依山而走。第二天吃饭的时候,诸葛亮与身边的参谋说话时,拊手大笑,说“司马懿必然认为我是在示弱,应该有强大的埋伏,他一定顺着山而逃走了。”等司马懿的侦察兵回复情况,跟诸葛亮所言一致。司马懿知晓后,非常后悔。问:按记载阳平在汉中。诸葛亮在阳平时,司马懿还只是荆州都督,镇守宛城,直到曹真死后,才与诸葛亮相抗衡。魏明帝曾经派遣司马懿从宛城途经西城伐蜀,正值大雨,未成。这前后,在阳平根本没有战争记载。即便如郭冲所言,司马懿既然统领二十多万军队,已经探知其兵少力弱,如果怀疑有伏兵,正可以设防慢攻,何至于迅速撤退?根据魏延记载,“魏延每次随诸葛亮出征即请兵万人,与其分道在潼关相会,诸葛亮并未答应;魏延认为诸葛亮怯弱,感叹自己才不尽其用。”诸葛亮既然都不让魏延率兵万人独自统帅,怎么可能如郭冲所说,突然让重兵交予魏延,而自己领弱兵独自守城?况且郭冲与扶风王说,彰显司马懿的劣迹,面对人子揭其父的短处,理所不容,居然说“扶风王慨然赞同郭冲所说”,就可以知道该叙事都为子虚乌有。

  • 2024届北京专家卷·英语高考仿真模拟(四)4答案

    八例句:大I highly recommend riding a bicycle..我强烈建议骑自行车。*First,it is a convenient way to get around.首先,这是一种方便的出行方式。*Third,it is environmentally friendly,as it does not produce any面表达harmful emissions.第三,它很环保,因为它不产生任何有害的排放物。Moreover,it can save you money on transportation costs此外,它可以节省你的交通成本。*However,there are a few things you should keep in mindwhen riding.然而,在骑行时有几件事你应该记住。First,wear a helmet to protect yourself in case of any accident首先,戴上头盔保护自己,以防发生任何事故。g*What's more,look out for other vehicles on busy streets.更重要的是,在繁忙的街道上要注意其他车辆。One possible version八Dear Alan,I'm glad to hear that you will come to Beijing for a two-monthinternship.I'm more than happy to give you some advice ontransportation during your stay here.面I highly recommend riding a bicycle.First,it is a convenient wayto get around.Second,it's good exercise to build you up.Third,it is表达environmentally friendly,as it does not produce any harmful emissions.Moreover,it can save you money on transportation costs.However,there are a few things you should keep in mind whenriding.First,wear a helmet to protect yourself in case of any accident.Second,follow the traffic rules and signals.What's more,look out forother vehicles on busy streets.I hope these suggestions are helpful to you.And I hope you willhave a good time in Beijing!Yours,Li Hua。9

  • 2024届北京专家卷·英语高考仿真模拟(四)4试题

    int China环球该九年第后4 ENTERTAINMENT2023-2024学名关强YOUR ZONEHEADLINE物点S,前情提要置和爆Show thDIFFERENT IS OKButton,Button (2)易读指数:7.0of Hangon the sofa."What(Continued)time:3 30人与Tuldn't.“Aren'tf you push the butte藏在亚运会颜奖花束told him.you dw will die.In return,ywon't you t背后的巧思Different is OKBy HuilloWhat are you talking about?Arthurs50000asked himked surprised.“But I'veaidyouwent into thN罗期同相要诉大家不样也没关系the public's attention●No.you're not,"ArtYou expecttsat on thec is doing it”.The bouquet,callMaylus to believeor Narma askedWhonbarrasseWouldn't ywho dare to competthat."heBecause it's immoral(不道德的),”healso wishes themHello friend,home after winningbetter leave Arthur said.toldrma pulled the covers up."Well,ISteward rose."Of course.think it's interesting.chinesArhur turned cBeing different is OK)*4"And take your button unit.offthe light and kissed her.sure you wouldn't care to think"Good night,"he saidHangzhou's unleavesndAre youso?I'll leave my card in"Good night"Norma closed her eyes.“Fifty thousand dollarsshe thought(桂花枝).OsmA good friend is amazingcase(以防万-),"said Mr.Steward.He put itabout it for a day or(To be continued)Hangzhou.ArIs someone to be lovedon the table by the door.ChieseroseIs someone I can talk toWhen he was gone,Arthur threw it awayFrom:https://www.raio.orgHeart"as wRefix all wrongimmediately.color of theorchids froHello friend,Post-readingI hope you understandBeing different is OK根据文章内容,勾选(√)正(T)误(F)。included.TThe w口☑for the firbased on(So listen what I say1.The couple were told they would get $50,000 for free☑Being different is OK)*42.Arthur didn't keep Mr.Steward's cardproduceDynasty123G03.The couple were very interested in what Mr.Steward said本版参考答案见下期第4版'(Being different is OK)*3雕).ThFrom:https://www.musixmatch.comAROUND CHINA大美中国hills aGansu,,Gan(甘)or Long(陇)for sh tis located inmasnorthwest China.Its capital is Lanzhou.Located along the大美甘肃theds for chinahistoric Silk Road,Gansu served asand Central Asia.HaPlaces of interest:Mogao Caves,Maiji MountainJiayu Pass(嘉峪关),etcFood:Lanzhou Beef Noodles,Niang PiZi(酿皮子),etc.Huillo is an autistic(患自闭症的)boy,He performs music上期参考答案as his way of understanding theKEYorld he is living in.The boy第2版their owners comfort.交客略also writes music.Mind mapA1.first2.(our)attention 3.A/One year3.TheI to be2.stories4.influence4.suddenlywhoever6.buildingReading test1-5 ADBCB7 her8.from9.cheaperLearn more答案略3版10.To make本报开放点僵服务,欢德同学们参与第4版SOCIAL FOCUS 1-3 FTT互动.点福00:3464492346CLASSIC READINGGLOBAL ALBUMBecause they don't cause trouble but can bring1.note2.sell3.Arthur本版主编毕玉琦责编王琦激光排版本报激光照排中心本报地址山西省太原市小店区龙兴街190号邮政编码030032联系电话0351-27776792777680(发行中心)订阅查询0351-27776482777649印刷武汉彩集实业有限公司(武汉市汉南区武汉模具工业园第A22幢1号订阅方式为方便订阅订户可通过当地发行工作站订购订阅时请核验其“授权书”“工作证”或直接向本报发行中心咨询以防假冒盗版行为

  • 2024届北京专家卷·高考仿真模拟卷(四)文数答案

    据,得AC-42AC+6=0,解得AC=V2或为Q>0,所以当k=-1时,可得-Q=-石,即a=石,即a的最小值为石,放选D10.【答案】A【解析)在△1CD中,LA0C=15°+0=105,∠ACD=30,所以∠CD=45,由正弦定理可得m2Dsin20°=故选A4sin(30°-10°)=4AD0°Sn∠ACD解得AD CD·sinACD_2=202,在Rt△DCB中,∠BDC=45°,所以D二2CD0二sin∠CAD2女选B.△ABD中,LADB=45°+15°=60°,由余弦定理可得AB2=AD2+BD2-2AD·BDc0 LADB=800+3200-2×2故o(a+7)-号故选A202×402×7=240,解得AB=206,故选A.000511.【答案】C【解析】根据函数八x)=Acas(x+p)(w>0,-受

  • 2024届北京专家卷·高考仿真模拟卷(四)理数答案

    高警必刷卷42套数学(弹)3.C【解析】本题考查复数的运第与几有意义.因为:-+不充分条件.故选A,9.A【解析】本题考查程序框图.框图的功能为计算分段函数日别骨=宁o-1)-e11,又因为数:么安,x2,-20,xe(-2,2]时,y∈[0,4];当x∈(2,5]时,y∈(1,7];当xe1,所以结合选项实数a的取值可以为0,故选C,4.A【解析】本题考查函数的奇偶性和单调性以及最值.对于(5,9)时ye(9,写)因比ye0,7].放远AC选项,若f(x+1)为偶函数,则函数fx)的图像关于直线10.D【解析】本题考查双曲线的几何性质.不妨设1F,F2|=x=1对称:若A选项和B选项都正确,则与C选项和D选项2c,R(c,0),一条渐近线y=总,则R到直线y=的距都会出现矛盾,所以A选项和B选项中只有一个正确,又A离d=bc选项和C选项矛盾,则由此可以确定A选项错误.故选A√a2+b2=b.又1AB1=2√a2-=2√a-b,所以5.D【解析】本题考查排列组合.依题意,由1,2,3,4,5可以IABI>组成没有重重数字的五位数共A;=120(个),其中组成的五>1,即2vV-6>号,整理得9(。-8)>d,3位数是奇数的共心G=72(个】,故后求橛率为品=号故解得<号又e>1,所以11,即01时刘=a-1.当a=1时,fx)=0;当01时,函数f(x)在(1,+)上单不兰23习所议%日所以62故选调递增,且f八x)∈(0,+∞).因此,若函数(x)有最小值,则要分类讨论如下7.B【解析】本题考查不等式的性质.对于A选项,当1cl=0当a>1时,f(x)在(-时,a1cl=bcl,所以A选项不正确;对于B选项,因为ac2<,1]的最小值为a)=abc2,即(a-b)c2<0,且此时c2>0,所以ab-d=0,所以C选项不正确;对于D选项,当a=0,b=6,c=40<0,所以符合题意;1-10,d=-6时,ac=0>bd=-36,所以D选项不正确.故选B.当a=1时在(-0,1]的最小值为分)=-,当x>1时,f孔x)=0,符合题意8.A【解析】本题考查三角函数的性质及应用.因为x∈当}≤a<1时,函数在(-,川的最小值为分)雪)w>0,所以m=(〉令)s2.-4a,函数f(x)在(1,+o)上单调递减,且fx)∈(-1,212m+牙],k∈Z,则eZ,解得01,则-a≤-1,架得0

  • 2024届北京专家卷·高考仿真模拟卷(四)理数答案

    高警必刷卷42套数学(弹)3.C【解析】本题考查复数的运第与几有意义.因为:-+不充分条件.故选A,9.A【解析】本题考查程序框图.框图的功能为计算分段函数日别骨=宁o-1)-e11,又因为数:么安,x2,-20,xe(-2,2]时,y∈[0,4];当x∈(2,5]时,y∈(1,7];当xe1,所以结合选项实数a的取值可以为0,故选C,4.A【解析】本题考查函数的奇偶性和单调性以及最值.对于(5,9)时ye(9,写)因比ye0,7].放远AC选项,若f(x+1)为偶函数,则函数fx)的图像关于直线10.D【解析】本题考查双曲线的几何性质.不妨设1F,F2|=x=1对称:若A选项和B选项都正确,则与C选项和D选项2c,R(c,0),一条渐近线y=总,则R到直线y=的距都会出现矛盾,所以A选项和B选项中只有一个正确,又A离d=bc选项和C选项矛盾,则由此可以确定A选项错误.故选A√a2+b2=b.又1AB1=2√a2-=2√a-b,所以5.D【解析】本题考查排列组合.依题意,由1,2,3,4,5可以IABI>组成没有重重数字的五位数共A;=120(个),其中组成的五>1,即2vV-6>号,整理得9(。-8)>d,3位数是奇数的共心G=72(个】,故后求橛率为品=号故解得<号又e>1,所以11,即01时刘=a-1.当a=1时,fx)=0;当01时,函数f(x)在(1,+)上单不兰23习所议%日所以62故选调递增,且f八x)∈(0,+∞).因此,若函数(x)有最小值,则要分类讨论如下7.B【解析】本题考查不等式的性质.对于A选项,当1cl=0当a>1时,f(x)在(-时,a1cl=bcl,所以A选项不正确;对于B选项,因为ac2<,1]的最小值为a)=abc2,即(a-b)c2<0,且此时c2>0,所以ab-d=0,所以C选项不正确;对于D选项,当a=0,b=6,c=40<0,所以符合题意;1-10,d=-6时,ac=0>bd=-36,所以D选项不正确.故选B.当a=1时在(-0,1]的最小值为分)=-,当x>1时,f孔x)=0,符合题意8.A【解析】本题考查三角函数的性质及应用.因为x∈当}≤a<1时,函数在(-,川的最小值为分)雪)w>0,所以m=(〉令)s2.-4a,函数f(x)在(1,+o)上单调递减,且fx)∈(-1,212m+牙],k∈Z,则eZ,解得01,则-a≤-1,架得0

  • 2024届北京专家卷·高考仿真模拟卷(四)英语试题

    through...more efficient.以及后文的举例可知,如果我们能使道路的设计更好地为货物和人员在城市中的流动而服务,按照道路的用途设计道路,交通网络可能会更高效。35.A。理解主旨要义。通读全文可知,本文主要介绍了蚂蚁如何根据觅食环境和食物运输方式来构建巢穴,这些关于蚂蚁行为的发现可能会启发我们设计更有效的交通系统。七选五导语:本文是一篇说明文。本文从环境、经济等角度分析了可食用昆虫的消费市场可能迅速增加的原因。36.C。此空设于段尾,与上文存在顺承关系。上文说,食物中出现虫子会让人们感到恐怖从而失去食欲的这种反应可能会发生改变,此处紧接着说我们也许很快就会自愿享受昆虫。37.B。此空设于段中,是一个过渡句。首先,该项“有许多原因”回答了上一句的问题“为什么预测人们对食用昆虫的食欲会增加";其次,该句中的a number of factors照应insects.interms of production and farming.38.G。此空设于段中,与上文是递进关系。生产同等重量的牛肉蛋白所释放的温室气体远超昆虫蛋白,此外昆虫需要的食物比牛要少得多。39.A。此空设于段中,与上文存在指代关系,和下文存在对比关系。该项中的That指代上文“培育一克昆虫蛋白需要23升水”,这也许听起来很多,但是“培育一克牛肉蛋白需要112升水”。40.E。此空设于段首,是本段的主旨句。通读最后一段可知,本段旨在告诉读者饲养昆虫更容易且能节省投资。完形填空导语:本文是一篇记叙文。文章讲述了八十多岁的老人马克经历了一次事故后四肢瘫痪,但他从未放弃,在不断的努力后,他恢复了行动能力并成功完成了一场特殊的公路赛。41.B。根据no one knew if Mark.one more step可知,三年前,没有人知道马克还会不会再走一步,更不用说“参加”另一场公路赛了。42.D。根据found him covered in blood可知,马克在骑行时发生了“事故”。43.C。根据a man named Chris found him可知,"幸运的是”,一个叫克里斯的人在小路上发现了浑身是血的他,然后打电话求救。44.A。根据Mark survived可知,多亏了快速的“医疗"干预,马克活了下来。45.C。根据上下文可知,马克“受伤”严重导致他四肢瘫痪了。46.B。根据He did not,however,.lose可知,尽管他四肢瘫换,但他并未失去“希望"。47.D。根据He worked hard every day可知,他每天都在医疗中心努力训练,试图"恢复"四肢的活动。48.A。根据With the help of Lite Run walking system及下文可知,他开始可以“向前迈步了"。49.A。根据For his big return to running可知,马克想重返赛场,他决定"完成Bolder Boulder10公里竞速赛的最后一公里。50.D。根据语境可知,这次活动的“特色”是运动员的混合,feature一词多义,在这里意为“以…为特色”。51.C。根据上下文语境可知,马克成为2023年比赛的一位特殊的“参与者”。52.C。根据crossing the finish line on his own可知,马克在几乎没有任何帮助的情况下“成功”完成了最后一公里的比赛,冲过终点线。53.B。根据on the trail three years ago可知,三年前在小路上“救助"他的那个人一直在那里支持马克。54.A。根据语境可知,马克从未“放弃”,这里是克里斯对马克坚韧不拔的品格的赞赏。55.D。根据语境可知,马克希望他的“故事”能向其他处于类似情况的人说明只要努力,一切

  • 2024届北京专家卷·高考仿真模拟卷(四)文数试题

    命题意图本题考查等比数列的性质。解析设等比数列的公比为q(g>1),则440=27.5g48,所以g2=2,则左起第61个键的音的频率为27.5·g0=27.5·(g2)5=880(Hz)15.答案2命题意图本题考查三角函数的图象与性质,解析由题可知g(x)=sin(2×号+)=sin(or+号)因为xe(0,m),所以wx+子∈(号,om+)因为y=sinx,x∈(牙,3m的图象大致如图所示,要使g(x)的图象在区间(0,π)上有且仅有两条对称轴、两个对称中心,则20,即F(x)在[-1,0)上单调递减,在(0,1]上单调递增,F(x)mm=F(0)=a,F(1)=e2-e-1+a,F(-1)=e2-e1+1+a,则F(x)的取值范围是[a,e2-e-1+a],故f(x)-g(x:)≥a,i=1,2,…,2022,则2022a≤f(x23)-g(x23)≤e2-e-1+a,则2022a≤e2-e-1+o,故a≤208四、解答题:共70分.解答应写出文字说明,证明过程或演算步骤17.命题意图本题考查等比数列的定义及裂项相消法.解析(1)因为a+1+an=4n-2,即a4-2n=-[a2(n-1)1,…(2分)又01-2(1-1)=-3≠0,…(3分)所以{an-2(n-1)}是首项为-3,公比为-1的等比数列.…(4分)所以an-2(n-1)=(-3)·(-1)n-1,即an=3·(-1)"+2(n-1).…(5分)(Ⅱ)T2n=a1+a2+…+a2m-1+a2n=3(-1+1-1+1+…-1+1)+2n0+2(2n-1)]=4n2-2n.(6分)所以bn=4n2-2n+6n=4n2+4n.…(7分)一4

  • 2024届北京专家卷·高考仿真模拟卷(四)文数试题

    命题意图本题考查等比数列的性质。解析设等比数列的公比为q(g>1),则440=27.5g48,所以g2=2,则左起第61个键的音的频率为27.5·g0=27.5·(g2)5=880(Hz)15.答案2命题意图本题考查三角函数的图象与性质,解析由题可知g(x)=sin(2×号+)=sin(or+号)因为xe(0,m),所以wx+子∈(号,om+)因为y=sinx,x∈(牙,3m的图象大致如图所示,要使g(x)的图象在区间(0,π)上有且仅有两条对称轴、两个对称中心,则20,即F(x)在[-1,0)上单调递减,在(0,1]上单调递增,F(x)mm=F(0)=a,F(1)=e2-e-1+a,F(-1)=e2-e1+1+a,则F(x)的取值范围是[a,e2-e-1+a],故f(x)-g(x:)≥a,i=1,2,…,2022,则2022a≤f(x23)-g(x23)≤e2-e-1+a,则2022a≤e2-e-1+o,故a≤208四、解答题:共70分.解答应写出文字说明,证明过程或演算步骤17.命题意图本题考查等比数列的定义及裂项相消法.解析(1)因为a+1+an=4n-2,即a4-2n=-[a2(n-1)1,…(2分)又01-2(1-1)=-3≠0,…(3分)所以{an-2(n-1)}是首项为-3,公比为-1的等比数列.…(4分)所以an-2(n-1)=(-3)·(-1)n-1,即an=3·(-1)"+2(n-1).…(5分)(Ⅱ)T2n=a1+a2+…+a2m-1+a2n=3(-1+1-1+1+…-1+1)+2n0+2(2n-1)]=4n2-2n.(6分)所以bn=4n2-2n+6n=4n2+4n.…(7分)一4

  • 2024届北京专家卷·高考仿真模拟卷(三)文数答案

    5,为不断满足人民日益增长的美好生活需要,实现群众对舒适的居住条件、更优美的环境、更丰富的精神文化生活的追求,某大型广场正计划进行升级改造。改造的重点工程之是新建一个长方形音乐喷泉综合体A,B1C,D1,该项目由DCD-长方形核心喷泉区ABCD(阴影部分)和四周绿化带组成.D2m规划核心喷泉区ABCD的面积为10002,绿化带的宽分2m别为2m和5m(如图所示).当整个项目占地A1B1C1D1面积恩,则核心喷泉区8C的边长为它鱿=X|A.20mB.50mC.10V10mD100m6.如图为某三棱锥的三视图,若每个视图都是直角边为1的等腰直角三角形,则该三棱锥内切球半径为正视图侧视图AB.3-52c,3-56D.g7.若f(m)=tan,(n∈N),则f(1)+f(2)+…+f(2023)=):俯视图A.-V3B.√3C.0D.-2W3&.已知函数f()=n(2)的图象在点((怎f()n∈N)处的切线的斜率为a,则数列2}的前n项和5,AB.4(n+1)D.4+194ABC中,三边之比a:b:c=6:7:8,则A-n8=sin2CA.-4B.4C.-D.10,已知AD,BE分别为△ABC的边BC,AC上的中线,设D=a,B正=i则BC=A.ā+3B.ia+bC.a-五D.-a+B1,已知函数f(x)=x3+ax2+x+b的图象关于点(1,1)对称,则b=A.-1B.1C.-2D.2少12.已知双曲线C号-卡=1(a>0,b>0)的左、右焦点分别为F1,F2,实轴长为6,渐近线方程为y=土x,动点M在双曲线左支上,点N为圆Ex2+0+V62=1上一点,则1MW1+MF2的最小值为A.8B.9C.10D.11文科数学试卷第2页(共6页)

  • 2024届北京专家卷·高考仿真模拟卷(三)英语试题

    Q5:What does Mary eat with stir-fried tomatoes and eggs?(W)A5:Either noodles or rice.(M)PART C:Retelling故事复述Long ago,there was a small town near a big green forest.The forest provided people with shelter,food,and wood to make a living.However,as time passed,the people became greedy andstarted cutting down the trees without limits,ignoring the importance of protecting them.Oneday,a severe flood swept through the town.Homes were destroyed,crops were washed away,and the whole town became a wasteland.Seeing this,most of the people decided to abandontheir hometown and go elsewhere,believing that their hometown was lost forever.But Tom andhis family couldn't bear to leave their hometown behind.They refused to give up and weredetermined to rebuild their hometown.With great courage,they began building new houses andplanting trees.The road to recovery was long and challenging.Tom and his family workedtirelessly,which inspired more and more people to join them.Slowly,the wasteland became anew town and had a green forest nearby again.Trees grew tall,wildlife returned,and the air wasfilled with beautiful songs of birds.The people realized their mistake and shared their story withfuture generations,stressing the importance of protecting nature and the consequences ofdamaging nature.Summary:Long ago,there was a small town.It was near a big green forest,which offered peopleshelter,food,and wood to make a living.However,as time passed,greedy people started cuttingdown the trees without limits.One day,a severe flood swept through the town.Homes,crops,and the whole town were destroyed.Seeing this,most people decided to abandon theirhometown and left.But Tom and his family didn't leave and were determined to rebuild theirhometown.With great courage,they began building new houses and planting trees.It was a longand challenging road.Tom and his family worked tirelessly,which inspired more people to jointhem.Slowly,a green forest appeared beside a new town again.Trees grew tall,wildlife returned,and the birds sang sweetly.The people realized their mistake.They shared their story with futuregenerations,stressing the importance of protecting nature and the results of damaging nature.第30期测试题参考答案1-5 CBBAB6-10 CDDAB11-15 CACBD 16-20 GDFCB21-25 BCCBD26-30 BDCAD31-35 ACDAB36-45(One possible version)36.is known37.a38.to test39.who40.dizziness41.regularly42.demanding43.patients44.on45.leading写作(One possible version)第一节Dear Mike,I'm writing to express my concern about your unhealthy focus on basketball competitionresults recently.I understand that you want to perform well in the school league,but it'sdefinitely not desirable to pursue good grades regardless of your health.Constant overtraining has led to your physical exhaustion.As your friend,I'm worried aboutyour well-being.I know you're passionate about basketball,but it's important to keep in mindthat the true purpose of sports is about building character and maintaining fitness,not just

  • 2024届北京专家卷·高考仿真模拟卷(三)英语试题

    Q5:What does Mary eat with stir-fried tomatoes and eggs?(W)A5:Either noodles or rice.(M)PART C:Retelling故事复述Long ago,there was a small town near a big green forest.The forest provided people with shelter,food,and wood to make a living.However,as time passed,the people became greedy andstarted cutting down the trees without limits,ignoring the importance of protecting them.Oneday,a severe flood swept through the town.Homes were destroyed,crops were washed away,and the whole town became a wasteland.Seeing this,most of the people decided to abandontheir hometown and go elsewhere,believing that their hometown was lost forever.But Tom andhis family couldn't bear to leave their hometown behind.They refused to give up and weredetermined to rebuild their hometown.With great courage,they began building new houses andplanting trees.The road to recovery was long and challenging.Tom and his family workedtirelessly,which inspired more and more people to join them.Slowly,the wasteland became anew town and had a green forest nearby again.Trees grew tall,wildlife returned,and the air wasfilled with beautiful songs of birds.The people realized their mistake and shared their story withfuture generations,stressing the importance of protecting nature and the consequences ofdamaging nature.Summary:Long ago,there was a small town.It was near a big green forest,which offered peopleshelter,food,and wood to make a living.However,as time passed,greedy people started cuttingdown the trees without limits.One day,a severe flood swept through the town.Homes,crops,and the whole town were destroyed.Seeing this,most people decided to abandon theirhometown and left.But Tom and his family didn't leave and were determined to rebuild theirhometown.With great courage,they began building new houses and planting trees.It was a longand challenging road.Tom and his family worked tirelessly,which inspired more people to jointhem.Slowly,a green forest appeared beside a new town again.Trees grew tall,wildlife returned,and the birds sang sweetly.The people realized their mistake.They shared their story with futuregenerations,stressing the importance of protecting nature and the results of damaging nature.第30期测试题参考答案1-5 CBBAB6-10 CDDAB11-15 CACBD 16-20 GDFCB21-25 BCCBD26-30 BDCAD31-35 ACDAB36-45(One possible version)36.is known37.a38.to test39.who40.dizziness41.regularly42.demanding43.patients44.on45.leading写作(One possible version)第一节Dear Mike,I'm writing to express my concern about your unhealthy focus on basketball competitionresults recently.I understand that you want to perform well in the school league,but it'sdefinitely not desirable to pursue good grades regardless of your health.Constant overtraining has led to your physical exhaustion.As your friend,I'm worried aboutyour well-being.I know you're passionate about basketball,but it's important to keep in mindthat the true purpose of sports is about building character and maintaining fitness,not just

  • 2024届北京专家卷·高考仿真模拟卷(三)文数试题

    (2)(理)如图,以D为原点,DC,DA所在直线分别为y轴,:轴,过D作CD的垂线为x轴,建立空闻直角坐标系D-%。名D000.00L0,B023.E号7E-(50丽=a0E-(5号:a分)+3z=0防行自设平面BOB的法向量为m=(x,y,z),由nO丽=0可得n-0E=05.12x+2y+3红=019设z=1可得m=(√5,-3,1),(10分)TM设直线DE与平面BOE所成角为0,则sin8=eos0,(6分)则A=4+09-1>0,即>号+与=单科模拟05数学答案与解析第4顷

  • 2024届北京专家卷·高考仿真模拟卷(三)理数试题

    .《本本题满分12分)(二)选考题:共10《中华人民共和国国民轻济和社会发展第十四个五年规划和2023年远景目标纲要》指出:要加22.[选修4一4:坐置原创推,引领性科技攻关,坚决打赢关键核心技术攻坚战,某企业集中科研骨干力量,攻克系剪美量我术,已成功实现离子注入机全谱系产品国产化,工艺段覆盖至28m,为我国芯片制造已知曲线C的广业链补上重要一环.该企业使用新技术对某款芯片制造工艺进行改进。极轴建立极坐秀)该数老片生产有四道工序,前三道工序的生产互不影响,第四道是检测评估工序,包括智能(1)求C1,C2篚自动检测与人工抽检.已知该款芯片在改进生产工艺前,前三道工序的次品率分别为P1一35,(2)若曲线0=23.[选修4-5:不①求改进生产工艺前,该款芯片的次品率P。:已知f(x)=2②在第四道工序中,部分芯片由智能检测系统进行筛选,其中部分次品芯片会被淘汰,筛选后的(1)当a=2时老片及未经筛选的芯片进入流水线由工人进行抽样检验.记A表示事件“某芯片经过智能检测(2)若对任意1系统筛选”,B表示事件“某芯片经人工抽检后合格”,求证:P(AB)>P(AB);(2)改进生产工艺后,该款芯片的某项质量指标服从正态分布N(5.40,0.052),现从中随机抽取M个,这M个芯片中恰有m个的质量指标位于区间(5.35,5.55).①若m=45,以使得P(m=45)的最大M值作为M的估计值,求M;②记这M个芯片的质量指标£的标准差为σ0,其中m个芯片的质量指标(的平均数为1,标准差为1,剩余芯片的质量指标的平均数为以2,标准差为o2,试写出o的计算式。参考数据:P(u-<≤μ十)≈0.6827,P(u-3o<≤u十3a)≈0.9973.双考信息卷·第四辑理教①·一轮收官强底者

  • 2024届北京专家卷·高考仿真模拟卷(三)理数试题

    .《本本题满分12分)(二)选考题:共10《中华人民共和国国民轻济和社会发展第十四个五年规划和2023年远景目标纲要》指出:要加22.[选修4一4:坐置原创推,引领性科技攻关,坚决打赢关键核心技术攻坚战,某企业集中科研骨干力量,攻克系剪美量我术,已成功实现离子注入机全谱系产品国产化,工艺段覆盖至28m,为我国芯片制造已知曲线C的广业链补上重要一环.该企业使用新技术对某款芯片制造工艺进行改进。极轴建立极坐秀)该数老片生产有四道工序,前三道工序的生产互不影响,第四道是检测评估工序,包括智能(1)求C1,C2篚自动检测与人工抽检.已知该款芯片在改进生产工艺前,前三道工序的次品率分别为P1一35,(2)若曲线0=23.[选修4-5:不①求改进生产工艺前,该款芯片的次品率P。:已知f(x)=2②在第四道工序中,部分芯片由智能检测系统进行筛选,其中部分次品芯片会被淘汰,筛选后的(1)当a=2时老片及未经筛选的芯片进入流水线由工人进行抽样检验.记A表示事件“某芯片经过智能检测(2)若对任意1系统筛选”,B表示事件“某芯片经人工抽检后合格”,求证:P(AB)>P(AB);(2)改进生产工艺后,该款芯片的某项质量指标服从正态分布N(5.40,0.052),现从中随机抽取M个,这M个芯片中恰有m个的质量指标位于区间(5.35,5.55).①若m=45,以使得P(m=45)的最大M值作为M的估计值,求M;②记这M个芯片的质量指标£的标准差为σ0,其中m个芯片的质量指标(的平均数为1,标准差为1,剩余芯片的质量指标的平均数为以2,标准差为o2,试写出o的计算式。参考数据:P(u-<≤μ十)≈0.6827,P(u-3o<≤u十3a)≈0.9973.双考信息卷·第四辑理教①·一轮收官强底者

  • 2024届北京专家卷·高考仿真模拟卷(二)理数答案

    第Ⅱ卷(非选择题共90分)得分评卷人二、填空题(本大题共4小题,每小题5分,共20分,把正确答案填在每小题的横线上。)13.宋元时期数学名著《算学启蒙》中有关“松竹并生”的问题:开始松长五尺,竹长两尺,松日自半,竹日自倍,松竹何日而长等。如图是源于该思想的一个程序框图,若输入的α,b分别为4、输入a,b2,则输出的n的值是2x-y-4≤014.若x,y满足约束条件x+y-2≤0,则z=-x+y的最大值为3x-y-2≥0n=n+15.如果复数z满足z+2+z-2=4,那么z-1-3i的最小值为a≤b?是输出n16.在各棱长为2的正三棱柱ABC-A,B,C,中,点P在棱AA1上结束运动,Q在底面ABC上运动,PQ=√2,R为PQ的中点,则动点R的轨迹位于正三棱柱ABC-A,B,C,内的部分的表面积为得分评卷人三、解答题(本大题共6小题,共70分,解答应写出文字说明,证明过程或演算步骤。)17.(本小题满分10分)已知三角形ABC的内角AB,G的对边分别为a6c,且ca=6asL(1)求角B;(2)若b=√3,a=√2,求角A18.(本小题满分12分)本学期某校举行了有关垃圾分类知识测试活动(满分10分,分值为整数),并从该校七年级和八年级中各随机抽取40名学生的测试成绩,整理如下:【先知月考卷·理科数学(四〉·共6页·第3页】

  • 2024届北京专家卷·高考仿真模拟卷(二)英语试题

    【写作指导】1.任务分析:本篇书面表达要求介绍自己周五的学习生活情况。主题:人与自我之生活与学习文体:记叙文时态:一般现在时人称:第一人称2.行文布局本篇书面表达可按照以下框架完成。开头:引入主题,点明主题内容主体:按照时间顺序介绍自己的活动情况结尾:总结学习生活,表达感受3.可用词汇和句型描述活动的词汇:get up;have breakfast;have classes;have lunch;take a walk;play tennis;go to bed描述感受的句型:I am happy to…It's always interesting to ..It helps me…I really enjoy…4.范文展示Hi,I am Alice.I'm happy to share my Friday with you.In the morning,I get up at 7:00 andhave a delicious breakfast from 7:20 to 7:30.At school,I have four classes from 8:30 to 11:50.It'salways interesting to learn new things!My lunchtime is from 12:00 pm to 12:30 pm.Then I take a walk.I have two classes from 2:00pm to 3:30 pm.Following that,I have a class meeting from 3:40 pm to 4:20 pm.After school,Ienjoy playing tennis from 4:45 pm to 5:15 pm.When I get home around 6:30 pm,I have dinnerwith my family.Next,I spend half an hour playing the guitar,and it helps me relax.At 10:30 pm,I go to bed.I really enjoy my Friday because I can do many enjoyable activities.

  • 2023-2024学年安徽省八年级教学质量检测(6月)八Ⅷ答案(政治)

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