中考定心卷（江西）在Rt△CD0中，∠CD0=90°，0C=3,.'OD=-3。。350C=2,CD=0C=2BD=0B-OD=3nTr60m×3lm=180180=T,C翻影都分=CD+BD+l金33+3+T,2一阴影部分的周长为3,3+32T。…9分22.解：(1)按如图1所示建立面直角坐标系，…分0D图1设所求抛物线解析式为y=ax2(a≠0)，由AB=16m,可设点B的坐标为(8，n),数:水位上升3米，就达到警戒水位CD,且CD=8m,学∴.点D的坐标为(4，n+3),n=a·82,把点B,D的坐标代人y=ax2(a≠0)中，得{考答案及n+3=a·42,1a=-解得164分分n=-4,则·此抛物线的解析式为y=石x(答案不唯一）；..........5分(2)①此集装箱能顺利通过这座拱桥，理由如下：如图2，设集装箱的一个顶点为点E,过E作EF小y轴交抛物线于点F,该集装箱吃水深度为3.2m,∴.露出水面的高度为4-3.2=0.8m.由(1)可得正常水位时，集装箱上表面距拱桥顶点0的距离为集装箱4-0.8=3.2m,图2:正方体集装箱的棱长为4m,.点E的坐标为(2，-3.2)，将=2代入y=名中，得y62025,.点F的坐标为(2，-0.25)，-0.25>-3.2,点F在点E上方，此集装箱能顺利通过这座拱桥；……7分20

第一节One possible version:Dear Sir or Madam,I'd like to apply for the position which was advertised in the newspaper.I found this post quite appealing tome.I'm Li Hua,a high school student from China.I have a good command of English and I am proud of myfluent English.Last year,I won first place in the spoken English contest held by our school.In addition,I havea passion for helping others and have volunteer experience.I think I'm well qualified for this job.I appreciate your time in reviewing this letter.I'm also looking forward to hearing from you soon.Yours Sincerely,Li Hua第二节One possible version:Amanda nodded.When Lynn visited the hospital and saw her grandma on the hospital bed,tears welled upin her eyes.She silently approached her grandma's bedside and whispered an apology to her.After that day,shekept visiting her grandma and looking after her.As Lynn's birthday approached,she chatted with Amandaabout it."I want to celebrate my birthday in a simple way with my grandma in the hospital!"she said,holdingthe gloves her grandma had created for her and sitting beside her."And Mum,can I cut my birthday cake before Grandma and wish her to be well soon?"Lynn added.Hermum happily nodded.When that day came,Lynn brought a cake to Harriet's room.When blowing the candles,Lynn closed eyes and said to herself."I love you,Grandma!I'm sorry I was mean to you.I hope you will getwell soon!"Thankfully,Harriet's health started improving days later.When Harriet returned home,Lynnhugged her tightly and kissed her on the cheeks.Harriet smiled at her and said,"I'm so delighted.I have theloveliest granddaughter in the world!"听力部分录音材料(Text 1)W:Excuse me,sir.I've been here for nearly 20 minutes just to pay my telephone bill.M:I'm very sorry,but our computer system is not working at the moment.(Text 2)M:Wow!What a great shot!He's such a talented football player.W:Yeah,he is great.I know he's good at lots of sports.He can also play rugby well and he is even a top tennisplayer.(Text 3)M:It's really nice of you to cook for me tonight.W:I'm glad to do it.You've been so helpful,and it's only fair that I return the favour.I hope you've broughtyour appetite.(Text 4)M:I placed a takeaway order an hour ago,but the food deliveryman hasn't arrived yet.According to the policy,I can give him a thumbs-down.W:Don't be so mean.It's pouring down outside and I don't think it is his fault.(Text 5)M:I emailed Kevin and asked him to approve my vacation days a week ago,but I haven't got his reply yet.W:Why don't you just ask him in person?I saw him walk into his office just now.M:I don't know...He's such a difficult person to talk to.(Text 6)W:James,did you buy something?M:Some shoes.But I didn't enjoy the shopping.W:What's wrong?M:The shop assistant followed me around and offered too many suggestions.W:Oh,that doesn't sound good.M:She kept saying things like"I think this tie goes well with your shirt"and"Why don't you try the pants?"Why didn't she just leave me alone?W:Some shop assistants are just like that.Anyway,they are better than the rude ones.【高三英语参考答案第3页（共4页）】23376C

20.(本题满分5分】23.(本题满分7分)26.(本题满分8分)如图，在面直角坐标系中，矩形ABCD的顶点A、B分别在x轴、y轴正13现在许多民众喜欢在母亲节为母亲送鲜花来感恩母亲，祝福母亲某花店每年母亲节前会采购半轴上，顶点A的坐标为(1,0)，∠AB0=30°，BC=0B,求顶点D的坐标如图，在面直角坐标系中，已知抛物钱L:宁-号一1交：轴于AB两点，交)轴于点C一批鲜花礼盒，成本价为30元/件，分析上一年母亲节的鲜花礼盒的销售情况，得到如下数据，同时发现每天的销售量y(件)是销售单价x(元/件)的一次函数(1)求点A、B、C的坐标；(2)将抛物线L向右移1个单位，得到新抛物线L,点E在坐标面内，在新抛物线L'的对每天销售量y(件)35030025020015称轴1上是否存在点D,使得以A、C、D,E为顶点的四边形是矩形？若存在，请求出点D的坐标：若销售单价x(元/件)30405060不存在，请说明理由(第20题图)(1)求出y与x之间的函数关系式：(2)当销售单价为80元/件时，求该花店销售鲜花礼盒每天获得的利润是多少元？21.(本题满分5分)现有三枚兔年生肖邮票，其中两枚的图案为“同圆共生”，第三枚图案为“癸印寄榴”，郎票除正面图案不同外，其余均相同，将这三枚邮票背面向上，洗匀放好。(①)若小红从这三枚邮票中随机抽取一枚，则抽到的邮票图案是“同圆共生"的概率24.(本题满分7分)是2023年5月21日，我国在酒泉卫星发射中心采用长征二号丙运载火箭，成功发射首颗内地与(2)若小红从这三枚邮票中随机抽取一枚，记录图案后放回：重新洗匀后再从这三枚邮票中随澳门合作研制的空间科学卫星“澳门科学一号”.为了培养学生的爱国意识，普及航天知识，某校举机抽取一枚请用画树状图（或列表）的方法，求她两次抽出的邮票图案都是同圆共生~的复率行了航天知识竞赛，赛后随机抽取了部分学生的竞赛成绩，绘制成如下两幅不完整的统计图表。(第26题图(图案为“同圆共生”的两枚邮票分别记为A1、A2,图案为“癸卯寄福”的邮票记为B)组别成绩（分）人数各组总分（分）27.(本题满分10分)A组75

報七年级新目标14期第2022一2023学年2022年10月6日星期四总第3738期总编辑：刘永俊●国内统一刊号：CN14-0705/F)●网址：http:www.ew.com.cmsome advice when they have problems in lifeGrandpa Kang is really cool.Do you think so?看照片中的这位男士！他戴着眼镜和一项棒工一一h甘你知道他吗？

2在Rt△D0B中，OD2+OG2=DG2,rr=2,⊙0的半径为2.44444444…(10分)六、（本大题满分12分）21.解：(1)a=2×6+5×743×8+6×9+3x10+1x1183444444444444444(4分)）20(2）b=8.5,444444444444444444444444444444444444444440444444444444444444…(7分)(3)八年级学生课外阅读时长的中位数，众数均比七年级的高…(11分)∴，八年级学生课外阅读积极性更高…(12分)七、（本大题满分12分）22.解：(1)证明：：∠ABC=120°，BD分∠ABC,∠ABE=∠EBG=60°，AB=BE在△ABF和△EBG中，∠ABE=∠EBG,∴.△MBF≌△EBG(SMS)FB=GB∠FAB=∠BEG,444444444444444*4444444”(3分),∠EFH=∠AFB,,∠EHF=∠ABE=60°…(4s分)(2),∠EHF=∠EBG=60°，∠FEH=∠BEG,∴.△EFH∽△EGB·(5分):坠-ESEH,BG=EF,EBEB EG由(1)得：△MBF2△EBG∴，EG=AF…(8分)又：若H为BG中点H=号BG=号AF,2AB,AF=F,B即：A.2EF,EB4444400中4转4004040404004444中卡404中408转4号44中年号44行(10分)2(3)∠ACE=∠ACB.详解如下：AB=BE在△DMB和△CEB中，∠ABE=∠EBG,,.△DMB≌△CEB(SAS).∠DAB=∠BEC,BD BC又：若AC分∠DAB,.∠DAC=∠CAB

小题大做英语·拓展篇ter another,they never give up,taking every set-bridge University,planning to enter the church,back in stride.In the course of the pursuit of ourbut he was more interested in science than in reli-dreams,we also need a clear goal to keep us movinggion and in the end he abandoned theology.”可推forward as well as the resilience to deal with stress知，达尔文在剑桥大学主修科学。and failure.6.B推断题。根据第4段可知，蜥蜴的起源都A journey of 1,000 miles begins with one step.样，而生活在水中的蜥蜴与生活在陆地上的蜥蜴I'm convinced that it is persistence and the longing的特征却有不同。由此可推知，自然环境的不同for excellence that will help us teenagers win导致生物因岛屿而异。through in our life.7.D推断题。根据最后一段中的“It was instantlyseen as a great milestone in scientific thought,and大题分解3attracted violent argument all over Europe.”可推知，达尔文的进化论是科学领域上的一个重大A突破。【语篇解读】文章介绍了中国最早一批中的四c个国家公园。【语篇解读】文章主要介绍的是在过去十年中，l.B细节题。根据Wuyi Mountain National Park对小数据方法的研究得到了广泛的发展，并以部分中的“Its dramatic gorges and rivers are homeSokkelund为例，阐明了使用小数据的重要性。to thousands of types of protected wildlife like mi-8.D推断题。根据第1段中的“But AI is not justgratory birds and rare amphibians.”可知，人们在about large data sets,and the research in small武夷山国家公园可以参观壮观的峡谷和河流。data approaches has grown extensively over the2.C细节题。根据Northeast China Tiger andpast ten years..”"以及第2段中的“If you take theLeopard National Park部分中的“Nearby is Jing-top 100 biggest innovations of our time,perhapspo Lake National Geopark near Mudanjiang inaround 60%to 65%are really based on small da-Heilongjiang Province,with lakes,volcanic cra-ta.”可推知，小数据方法的研究得到了广泛的ters and ancient lava flows.”可知，对火山学感兴发展。趣的年轻人可以去镜泊湖国家地质公园。9.C词义推断题。根据上文中的“The restaurant3.A推断题。通读全文，并根据文章标题Some ofhas a French cafe,in the mid-to-high price seg-the first national parks in China可知，文章主要介ment.”以及画线词后的about$1 million可推绍了中国最早一批中的四个国家公园。所以文章知，画线词指的是“营业额”。C项与之意义一致。应为一篇旅游指南。l0.B细节题。根据第4段中的“In the case of夕Sokkelund,the process of transforming the com-【语篇解读】文章主要介绍了达尔文的家庭背pany to take advantage of small data was started景、求学经历及研究发现。with a focus on improving the traditional compet-4.D推断题。根据第1段可知，达尔文的家庭有itive parameters of a restaurant in a structured着深厚的文化背景，由此可推知，提到达尔文的家step-by-step plan.”可知，对小数据的利用促进庭背景是为了表明家庭对达尔文的影响：了收益的大幅增加。5.A推断题。根据第2段中的“When he was11.D推断题。通读全文可知，文章主要介绍的是eighteen,he left Edinburgh and went to Cam-在过去十年中，对小数据方法的研究得到了广泛23J·24·

高三第一轮复周测卷教学记高三第一轮复周测卷·数学周测卷二一元二次函数、方程与不等式(40分钟100分)考情分析弱微信扫码可▣高考对接点一元二次函数、方程与不等式是高考常考点学疑难点方程与不等式的应用滚动知识点集合与常用逻辑用语观看微课视频典型情境题3、10课外题解析下载复课件题序1236答案D0BC一、选择题：本题共6小题，每小题6分，共36分1.若集合A={x|x一20,y>0,若x十y+3xy=16,则xy的最大值为A.1B.2C.2√2D.4【解题分析】由x>0,y>0,得x十y≥2√y,所以16=x+y十3.y≥2√y+3.xy,令√xy=t(t>0),则3t+2t-16≤0，解得0

to failure of a single第二节（共5小题；每小题2分，满分10分）异疏黄根据短文内容，从短文后的选项中选出能填入空白处的最紫薄汗佳选项。选项中有两项多余选项。al cycle of life.ThereSpending time with your families outdoors can help develop城西秋月尼同的)genes,whichmeaningful bonds,encourage love and affection,reduce stress,of mutation(变异)，and can improve academic performance in children.Since you can边塞诗情enjoy nature and all the benefits,36且忧。reasonwhy living首诗塑造environment.Go to a park.Do an online search to find local parks.cloning it is possibleWhether it's a smaller local park or a larger national park,aic cleansing(清洗)day-trip is an excellent way to spend a couple of hours outdoorsld be the beginningwith your family.3738 Instead of going to a theme park,consider goingthat it would befishing,hiking or camping instead.Enjoy the natural beautyuld increase socialwith your family instead.Some great nature-oriented vacationsin the United States include the Grand Canyon,Kauai,Jacksonists could transfer版权Hole,and Lake Tahoe.ch would heighten所Play a game or sport outdoors.Discover which gamesat are transmittedthat your children like to play the most,and make it a habit ofdwide catastropheplaying them outside.39 Outdoor sports and games includebasketball,baseball,football,soccer,and lacrosse.disasters spiraling版Take walks with the family.40 Plan a 20-minute walk究and have everyone in the family turn off their cell phones.Thethem back;theymore you walk together,the more natural it will feel and it willrent personality.encourage everyone in the family to spend more time outdoors.Anot accept artificialgreat time to schedule a walk is right after dinner or before youtake your children to school.印oneA.Plan a nature-centred vacation.echnologyB.you should avoid the followings.C.come and join us in the following ways.D.Try to locate your family in the open air.E.Determine a time and schedule it to take a hike with yourage is toRfamily.STF.If you have young kids,consider taking them to the place thathas activities like a playground.AGAINST correctlyand AGAINSTG.Talk to your kids about what sports they like and make sureto get the proper equipment so that your family can all playng?together.re.第三部分语言知识运用（共两节，满分45分）e?第一节完形填空（共20小题；每小题1.5分，满分30分）阅读下列短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填人空白处的最佳选项。My first visit to Cubs game is still impressive,though it2023届高考专家联测卷（三）·英语试题第9页（共12页）

obtaincan bewithout theobtainedThese are often purchases for relativeeffortsfromthestudents.which tend to be put on debit cards.There is aalthyshopping for everyday things like groceries,ws easy.That they can do is stay posi-Whatchases.cording to the text?tive andfollowingthe rightEconomic stress plays a role,too.Some cofollowtaken in is useless.cut off from credit.Others simply like to use crguidelines from their schools.alories every dayeconomic uncertainty.The government stimulusTo be more specific,they canwill make you heavy.Many stimulus payments are made via prepaid caburn more calories.participatesome activitiesrails.inheir hearts healthy?such as voluntarywork toSince credit's stronghold-cross-border trback soon,strength in debit will be vital.Visa andain品opening and caringto push debit into more areas,for example bymind.payment debit networks with apps such as PayPal五、书面表达Square's Cash App,to help move money faster betwOne possible version:Dear friends、完形填空(40分】It's universally acknowl-Laura Young had a feeling that the 52-poundown devices with screens that emitbought from a Goodwill Store in Austin,Texas,inedged that electricity is indis-omputers-at least an hour beforethan the $34.99 she paid.However,the vintagepensable tomodernlife,1 it would be a priceless,2000-year-old Romaat you prepare mentally for sleep bywhich is the main powerthe first century AD.meditating.or reading a book.Thesource to support the func-Young had 2 thought she would sell thtioning of all sectors and in-connect from daily stresses"so yousculpture.3,after closely examining its weathdustries.However,powerclassic lines,she wondered if it was more 4shortage still disturbs peopleowner,.who had previously auctioned(拍卖)aGoo(rith natureacross the nation due to hugepainting with $63,000,reached out to some aucelectricity consumptionk to calm yourself.5,Jorg Deterling,a consultant at Sotheby's inTo improve the situation,statue to one found in a 1931 picture of a courtyard cr routine to boost mental healthit's time for everyone to raiseSubsequent research by the experts at the Sanng the electronic products and thenawareness and make a differ-Art 7 that the statue was carved in Rome betwence.For one thing,you areAD.By the mid-1800s,it had been sent to Germanll feel more of a drive to accomplishencouraged to start with smallLudwig I of Bavaria for his Roman-inspired villa.steps,such as timely switch-other artifacts,was moved to a storage facility being off electrical appliances9 by Allied bombing during World War Il.Hove minutes in nature to improve yourand properly adjusting thehouse officials noticed that the statue was 10.Atemperature of the air condi-that it was brought to the US by an American soldierAfter 11 the sculpture's history,Young deds and family will put your mentaltioner.For another,it is advis-able to replace old appliancesGermany."It was extremely bittersweet to 13"But I only have control over what I can control,anwith electricity-saving onesing (during war,is a war crime.I can't be 1which help to save power inThe statue is currently 16 at the San Antethe team needed to keep it alive untilthe long term.with water and its blowhole was notAll in all.saving power三、书面表达(40分)6weighed multiple tons,wasisimperative and calls for假定你是李华，近日参加了学校组织的“20干where it was 7(gentle)pulledyour action.写一封邮件，把自己这次难忘的经历分享给英国网whale was at a depth offshore of nine1.活动内容；hales of this size should be 8声明2.活动目的；rescuer.The rescue9(operate)基于对知识和创作的尊重，本3.个人感悟。el hours.报所有文字和图片作品，未经许ale is definitely the most impressive可，不得转载、摘编。由于种种原注意：ff member from the Ningbo Yuren因，个别著作权人未能联系上，请1.词数100左右；你见报后尽快与我们联系。2可话当增加细节，以使行文连贯。

根据题意，得AE=EF,∠A=∠BFE-90°，∠D-90°.ED∴.∠DF∠EFM-90°.在Rt△EFM和Rt△EDM中，,'FM=DM,EM=EM,∴.Rt△EFM≌Rt△EDM.(第22题答图3)∴EF=ED,…11分AE=ED.点E是AD的中点AD=6,AE-3.综上所述，4E的长是2或3，…12分>23.(本题13分)解：(1)抛物线y=r2+bx+4过点4A(-2,0)和B(4,0),「4a-2b+4=0,…】分16a+4b+4=0数学（二）参考答案第5页（共6页）1解，得a=--2…3分b=1∴抛物线的函数表达式是y=-+x+4.…4分22)当0时，y=+x+44.C(0,4…5分A-2,0),B(4,0),∴.OB=OC=4,AB=5.…6分∠B0C-90，·∠ABC-}580°-∠B0C=45°.……7.△BCD≌△BCA,∴.∠DBC=∠ABC=45°，BD=BA=5.∴.∠ABD=∠DBC+∠ABC=90°.…8分∴BDLx轴于点B.点D的坐标是(4,5)·……9分(3)点E的坐标是(1+5，-3)，(1-5，-3)，(1+√3,3)和(1-√5,3).…13分评分说明：解答题的其它解法参照上述标准评分.