昆明市2023届“三诊一模”高考模拟考试数学参考答案及评分标准一、二、选择题题号1234679101112答案ABBDDBADABDBCDACD三、填空题B又Ame空《13.1014.2(写出(1,3]中的任意一个实数即可)15.19四、解答题17.(1)证明：取AE中点为O,连接PO,BO,BE,所以PO⊥AE,BO⊥AE,又PO∩BO=O,所以AE⊥面POB,又因为PBC面POB,所以PB⊥AE.…5分(2)因为二面角P-AE-B等于90°，所以面PAE1面ABCE,面PAE∩面ABCE=AE,因为PO AE,所以PO⊥面ABCE,所以OA,OB,OP两两垂直.以O为原点，OA,OB,OP所在直线分别为x轴，y轴，z轴建立空间直角坐标系如图，不妨设AB=2,由已知得APE=120°，所以OP=OB=1,OA=OE=√3，则P0,0,1),A5,0,0),XB(0,10,C(-231,0),E(-V3,0,0),PA=(5,0,-1),E乎(5,0，EC=(-V51,0,设面PEC的法向量n=(x,y,z),3x+20则-V5x+=0AB取面PEC的上个法向量n=(L,V3,-√3)设PA与面PEC所成角为0，则sinO=cos(PA,n23√217即PA与面PEC所成角的正弦值为V…10分18.解：(1)由于S=besin=bc=5,所以b=V5e,2112由正弦定理可得sinB_b=5…6分sinc c数学参考答案及评分标准·第1页（共4页）

第四部分写作（共两节，满分40分）第一节（满分15分）你校正在组织英语作文比赛，请以你经历过的一次困难或考验为题，写一篇知文参赛。内容包括：I,经历的困难或考验：2.解决办法或途径：3.收获和感受注意：1.写作词数应为80左右：2,请按如下格式在答题卡的相应位置作答Trials of Life第二节（满分25分）》阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文Jack graduated from a famous university this July.He went to apply for a job in abig company and had to go through interviews before getting the jobHe passed the first two interviews easily,and then it was the boss's turn to do thelast one and make the final decision whether Jack would get the job or not.The boss learned that Jack's academic achievements were very good all the way,from the middle school until university.Never had a year when he did not receiveprizes.The boss asked,"Did you have any part-time jobs in school?"Jack shook his headand said,"No,I didn't have part-time jobs."The boss went on and asked,"Was ityour father who paid for your school fees?"Jack replied,"My father passed away whenI was one year old.It was my mother who worked and paid for my school fees."The boss continued,"Where did your mother work?"Jack told him that his motherworked as a clothes cleaner.Every day she would carry baskets of clothes home.Afterwashing and ironing the clothes,she carried the baskets back to the store where she gotpaid.Then the boss politely requested Jack to show his hands to him.Jack was confused高三·英语第9页（共0页）

又与first from启下的关联词是“today”,故选A。40.G〖解题思路】此题根据最后一段第2句话“Each village makes different marks..Thereare masks of people,monsters or local animals like crocodiles and monkeys.Dancers of this kindare always men.”和最后一句话“the Dogon people also perform the dances for tourists..”等信息，中间符合逻辑的句子应该是“And they dance to the sound of drums for hours after thedeath of a person in the village..”此句中的they指代上句中的表语men,故选G。第三部分：英语知识运用（共两节，满分45分)第一节完形填空（共20小题：每小题1.5分，满分30分)41-45 BDACD 46-50 ADBAC 51-55 BCBDC 56-60 BACDA本文语篇类型为：记叙文（夹叙夹议）；主题语境为：人与自我、人与社会；主题语境内容为：个人、家庭、人际关系；不同文化俗；良好的人际关系和社会交往。（文章讲述了作者通过童年时的“圆桌”追忆，谈“圆桌文化”所能传递给家人、社会、和国家的“爱”的情感。)41.B考查形容词辨析。〖解题思路〗A项意为“快乐的，高兴的”；B项意为“整个的”：C项意为“亲爱的，昂贵的”；D项意为“暖和的，温暖的”。这道题是语篇层次的挖空题，要根据第2段下文内容“However,.when the whole family got together once again,”来选择。所以得出B项“whole”合乎文意，故选B。42.D考查动词辨析。〖解题思路〗A项意为“烹调，做饭”；B项意为“制造，做，使得”；C项意为“准备，预备”；D项“有，吃，喝”。这道题是句子层次的挖空题，根据空后下文的dinner得出D项“have”与dinner搭配表达吃正餐的意思，故选D。43.A并列连词辨析。〖解题思路】A项意为“和..同时”；B项意为“或，否则”；C项意为“但是，可是”；D项意为“因此，所以”。此题是句子层次挖空题。根据上文下文“we kids would be sitting around or playing..”和下文“the grown-ups were having achat”得出A项“while和.同时”表对比关系“大人们聊着天的时候，孩子们玩着捉迷藏”合乎上下文意，故选A。44.C考查形容词辨析。〖解题思路〗A项意为“较高的”；B项意为“较大的”；C项意为“较老的，较年龄长点的”；D项意为“较强壮的，坚固的，坚强的”。此题是一道语篇挖空题。第一段第2句话中when I was still little中的little一词，与空中older有上下文修词逻辑关系，表达“年长些后”，故选C。45.D考查动词辨析。〖解题思路】A项意为“设置（布景，背景），释放，安置”；B项意为

phbecepn cou date back oonedtcaeml6hnArntaehofthoemeageewolkedndpadayofeach other.TheyFrenrofmeric Sin anguge hoe f ohneuggahcaaasp.er But while thsg alydied out,remains of it live on in Icelandie Sign Language today.C、provide even more clues about how they've changed over time.Understanding how sign lan-guages evolve would telu the way that language,in general,evolves.28.What can we know abou American Sign Language?A.It was created by French educators.B.It is less related to French Sign Language.C.It was further developed befoee9th century.D.It has Title in common with British Sign Language.29.What is special about a manual alphabet?A.Every letter means a hand gesture.B.It is used to replace the written language.C.Every letter is the same as the normal alphabet.D.It is used together with the shape of mouth.What does the author think of the effect of the Austrian manual alphabet?C.Moving.D.Disappointing.What does the last paragraph minly talk abou?A.The changes of different sign languages.B.The evolution of different sign languages.C.The meaning of researching sign languages.D.The voeabulary of different sign languages.By50 our gbapp ave oDme and ec CllWthof the Govendual Sraegy Challengeion thatwill buinld the UKsfirsleaeie6展水r〉odrom【高三英语第6页（共10页】·22-12-250C·

期练题参考答案Michael Jordan:changed basketball with his graceful第3版2.Even if/though failing so many times,Zhang Hong第1版moves and jumps,find a way to win,learn from hisLANGUAGE LEARNINGnever gave up.THEME READINGfailures,accept failure,practise harder,never give up,语言知识学篇3.Members of the China women's volleyball team set aPART1[Self-check】share his success with othersgood example for teenagers.I.I.compete2.audience3.sweatPossible answers:Hard work,determination,strongLEXICAL CHUNKSPART34.host5.cheatwill,never giving up,etc.1.pretend to fall downL.1.isn't2.is there[Reflection】2.do his/her best to win4.didn'tIL.①n.大事②n.比赛项目3.does it略3.compete for one's country2.①n跑道②v追踪；跟踪5.didn't第2版4.bring honour and glory to her country3.①n.适合②n.健康II.1.made a big differenceREADING ACTIVITIES5.work out6.cut outIII.1.works out2.makes sense2.rather than driving a carActivity1略4.coming alongActivity 2 1.honour2.medals7.be positive about oneself3.made it3.cut sugar out of their diet5.Even if6.fall down4.be compared with walking3.lose heart4.moves and jumps8.add healthy foods to my mealsPART25.19966.give up语言知识应用篇9.come along10.make itI.1.injury2.strength7.failures2.for11.make sense12.even if/though1.which /that3.championships4.gracefulActivity 3 1-4 FFFT3.called4.parts13.make a difference14.rather thanActivity 4 1-5 CDAEB5.master6.failures6.As15.有时；偶尔16.comparewith /to...5.is known7.legendActivity 57.to jump8.had developedLang Ping:worked together as a team,brought honour17.set an example18.fall apart1.Michael didn't lose heart after losing the first game.9.quickly10.themand glory to her country,never lose heart19.lose heart20.give up

W,I hear you are working for a web hosting(网站代管)company now?M:Yeh1mainly do the job of helping customers solve computer-related problems with their sites.offering sometechnical support.W:So.how's the pay for that kind of job?M.Well,for a starter it is OK.I mean I can get what other businesses pay for similar services.I can earn pay in-creases depending on my performance.W:Sounds great.Well,have you ever thought about going back to school?M:Wait,wait.What are you suggesting?W:Well,you know,more training might help you find a better job.M:Good idea.I'll think about that.(Text9)W:Hey,David!Did you manage to get tickets for Glastonbury Festival?M:Yeah.So lucky-the tickets sold out in 20 minutes!W:Amazing!It lasts for five days.Shall we book a hotel?M:I'm not sure.The hotels are quite far from the festival site.so I suggest we bring our tents.W:Good idea!How do we get to the festival?M:We can take a direct train from London Paddington to Castle Cary.the host town,which costs f70.40.It leav-es at 9:00 am.W:How about taking a coach?It'll probably take longer,but it'll be cheaper.M:That's true.Let me check.Yes,it's only f30.OK,let's meet at London Victoria at 5:00 am next Saturday.There is a coach leaving at 5:30 am.W:Okay!Should I bring an umbrella?And how about bringing some food with us?M:I think a raincoat would be better.Umbrellas block other people's view of the stage.And there'll be plenty ofplaces to buy food at the festival site.W:Great！Oh,my bus is coming！See you on Saturday！(Text 10)W&M:Many people enjoy having plants inside their homes.But sometimes houseplants need a little help.A goodway to help renew tired houseplants is by giving them a plant"haircut."This helps with shaping.removingdead matter,and keeping the plants from drooping.This is also a way to start new plants.You can takethe cuttings and grow new plants.A houseplant's diet is important.So is the timing of when you give them nutrients for growth.Fertilize inlate winter as days get longer and plants need fertilizer to put on growth during spring.And do not forget todust.If they are covered with dust,the process of their gaining energy would be slowed.Watering plantstoo much is a leading cause of losing houseplants.Plants lose oxygen when they are over watered.Check tosee if your plants'roots are overgrown in the bottom of the pot.That means you should repot the plant in anew,larger pot.But be sure the pots have holes cut in the bottoms so that extra water can get out参考答案1~5 ACCAB 6~10 BACBB 11~15 BACBC 16~20 BCAAB2L.B细节a理解题。根据Science Museum下面的“London'Science Museum celebrates scientific,.technological,and mathematical achievements'”和下面的电话可知答案。22.D细节理解题。根据Matural History Museum下面的the museum's main hall now floats the real skeleton(骨架)of a blue whale high above visitors'heads'”可得答案。23,A细节理解题。根据Mational Portrait Gallery下面的“Where else but the National Portrait Gallery youfind oil paintingsFeaturing a collection of famous British people from the Tudor period to the present day【2022分科模拟检测示范卷·英语参考答案第14页（共24页）QG】

上述蛋白重吸收尿酸盐，体现了细胞膜具有的功能特性。®根据图乙、图两，推测清补通络汤剂降低治疗组大队血清尿酸盐含最，原因可能是一局6Q0921.(8分)野末莉在自然条件下可呈现出白色、浅红、粉红、大红和深红五种依次加深的花色。关于花色的透传，存在两种推测。推测一，花的颜色可能由一个基因座位上的三个复等位基因决定（用C、G、G,表示：推测二：花的颜色可能由两对独立遗传的非等位基因控制，两对基因作用相同，且作用效果可以累加（用A,BD表示)。研究人员选择了一株开粉红花的植株与一株开白花的植株进行杂交，所得尸，不止二种表现型。请分析下面的问题。(1)若推测一成立，则野茉莉的花色共有种基因型，三个基因之间显性现象的表现形式为若推测二成立，则粉色野茉莉共有种基因型。(2)当F,个体的表现型及比例为则推测一成立；当F1个体的表现型及比例为,则推测二成立。00●(3)若推测1成立，让两株粉红花野茉莉杂交，子代的表现型除了全为粉色外，还可能是要目合【生物试题第6页共6页】

09:56⊙49l85数学模拟卷（八）答案江准名卷·2023年安徽中考模拟信息卷（八）·数学（参考答案）一、选择题（本大题共10小题，每小题4分，满分40分）1.B2.D3.D4.D5.C6.D7.B8.C9.A10.D【解析】由正方形的性质，得AB=BC,∠ABN+∠CBM=90°.又CM⊥BE,AN⊥BE,∴.∠ANB=∠BMC=90°，∴.∠BCM+∠CBM=90°，∴.∠ABN=∠BCM,∴.△ABN≌△BCM,∴.BN=CM,AN=BM,∴.MN=BM一BN=AN一CM,故选项A、B都正确；如图1，连接BO,则OB=OC.设OC与BE交于点G,由∠BOC=∠BMC=90°，∠OGB=∠MGC,得∠OBG=∠MCG,即∠OBN=∠OCM.又：BN=CM,'.△BON≌△COM,∴.OM=ON,∠BON=∠COM,.∠MON=∠CON+∠COM=∠CON+∠BON=∠BOC=90°，∴.△OMN是等腰直角三角形，故选项C正确；如图2，，∠BMC90°，点M在以BC为直径的圆上.设BC的中点为点F,当点D,M,F三点共线时，DM有最小值，此时DM=DF-FM.在R△BCM中，FM=BC=号×2=1.在R△CDF中，DF=VCD+CF=√5，.DM=DF-FM=√5-1，故选项D错误.图1图2二、填空题（本大题共4小題，每小题5分，满分20分）11.(2a+b)(2a-b)12.x≤-213.-914.82分e2g分【解析】(1)△ABC是等边三角形，∴.∠A=∠ABC=60°，AB=BC=AC.在Rt△ADE中，，∠A=60°，∠ADE=30°，.AD=2AE.AE=2,.AD=4.,BD分∠ABC,∴.∠ABD=∠CBD=30°，AD=CD=4,∴.AB=BC=AC=8.(2)由(1)知，DE=√5AE=2√5，BD=2DE=45..PF垂直分CBF=C=在R△PBF中，PF-F-5P=2PF-85PD=BD-BP14V5-8345331三、（本大题共2小题，每小题8分，满分16分）15.解：原式=一1十2十2…………(6分)=3.………………………………………(8分）16.解：设母鸡买了x只，小鸡买了y只.12+x+y=100,根据题意，得1…(5分)》5×12+3x+3y=100,解得4，y=84.【2023年安徽中考模拟信息卷（八）·数学（参考答案）第1页共5页】答：母鸡买了4只，小鸡买了84只.………(8分)四、（本大题共2小题，每小题8分，满分16分）17.解：(1)如图，△A1B1C1即为所求.…(3分)(2)如图，△A2B2C2即为所求.……(6分)(3)5.……(8分)