1、2024届湖南省高考猜题金卷(试题卷)答案(数学)4给918:49℃73%④在Rt△OCF中，OC2=OF2+CF2,.132=(3x-13)2+(2x)2,解得x1=0(舍)，x2=6,∴.CF=2x=12CD⊥AB,.CD=2CF=24.…(8分

4给918:49℃73%④在Rt△OCF中，OC2=OF2+CF2,.132=(3x-13)2+(2x)2,解得x1=0(舍)，x2=6,∴.CF=2x=12CD⊥AB,.CD=2CF=24.…(8分）26.解.)根据题意可得A(0,24),抛物线的对称轴为直线x=84/42-6=8,解得6-4.2x抛物线部分的函数表达式为)=2-4+24.…（(3分)(2)当x=8时，y=-4+24=8,.抛物线最低点C到杯底EF的竖直高度CD为8cm.…(5分)榆阳区2024年第二次中考数学模拟考试A-答案-3（共4页）(3)在y=-4x+24中，令y=12,得-4+24=12,解得=4=12，∴.M(4,12),N(12,12),∴.MN=12-4=8,即M、N两点之间的水距离为8cm.……(8分)27.解：(1）11…(1分）(2):菱形ABCD的边长为8，点E为CD的中点，CE=DE=号CD=4,当DF+EF最小时，△DEF的周长最小连接BF、BE,BE交AC于点F',如图2.四边形ABCD为菱形，.∠BAF=∠DAF,AB=AD.在△ABF和△ADF中，AB=AD,∠BAF=∠DAF,AF=AF,.△ABF≌△ADF(SAS),.BF=DF,∴.DF+EF=BF+EF,图2.当B、F、E三点共线，即点F在点F的位置时，BF+EF取得最小值，最小值为BE的长…(3分)过点E作EH⊥BC交BC的延长线于点H,如图2.:四边形ABCD为菱形，∴.CD∥AB,.∠ECH=∠ABC=60CE=4,.CH=2,EH=23,BH=BC+CH=8+2=10,.BE=√BH+E=47,即DF+EF的最小值为47..△DEF周长的最小值为4万+4.……(5分)(3)过点P作PH⊥CD于点H,如图3.:∠BCD=90°，PH⊥CD于点H,.PH∥BC:点P为BD的中点，即DP=BP,:点H为CD的中点，即CH=DH=CD=8米在PH上取点N,使得PW=EF=5米，连接NF.E H I:PN∥EF,.四边形PEFN为行四边形，.NF=PE,..PE+DF=NF+DF......…(7分N作点N关于BC的对称点N',连接NF,DN',DN'交BC于点F',如图3.图3则NF=N'F,即PE+DF=NF+DF=N'F+DF≥DN',.当点D、F、N三点共线，即点F在点F'处时，PE+DF取得最小值，最小值为DW的长.·(8分)过点N'作N'M⊥CD交DC的延长线于点M,如图3.易得CM=CH=8米，DM=CD+CM=24米.:点P、H分别为BD、CD的中点，.PH为△BCD的中位线PH=)BC=12米，NH=PH-PV=7米，.MN=7米，.DN'=DM+MN2=25米，即PE+DF的值存在最小值，最小值为25米.…(10分)》榆阳区2024年第二次中考数学模拟考试A-答案-4（共4页）

C.the scenry of plentiful valleys andunsD.the chance to spend starry nights oudoors23.Wh is the best place for history lovers?A.The Anti-Atlas.B.Marrakesh.C.The Sahara Desert.D.Fez.BTokyo restaurant Sushiya no Nohachi reportedly serves great sushi,but it is most famousoritsimmick making the world's smallest sushi ithsingle grainfiLocated in Asaka slightly quieter part of To Sushiya no Nohach is the place tofoua to enjoy the tiniest and most adorable sushi in the world.Each piece is madewith only a grain of rice and a tiny slice of topping wrapped in the thinnest piece of nori)Every served piece is actually perfect,which hints at the amount of work and-patiencethas into making them.They are the work of Hironori Ikeno,the chef of Sushiya noNohachi who came up with the idea in 2002 when a client asked him how small he could makehis sushi.He answered,"It is as small as a grain of rice",and proceeded to demonstrate thathe wasn't kidding.Years later,the restaurant became internationally famous for making theworld's smallest sushi.Despite its size,miniature sushi actually takes a bit longer to make than regular-sizedones.because of the precision and concentration required te put-the tiny ingredients together.Thatis part of the reason why the restaurant only prepares tiny sushi for customers a fewtimes a week and no more than five times a day,although they do sometimes make exceptionsoorivisitors who travel to the restaurant just to experience the world's smallest sushi."Ihad a client from Sweden who came just to see my tiny sushi and the moment she sawit,she literally cried with joy,"Hironori Ikeno said.烟Interestingly,one cannot simply order the tiny sushi at the restaurant.It is served forequest with a regular-sized sushi course.Considering the sushi served at this place够edy delicious,you should probably be more excited about that.Plus,it also justifiesthemmick that the restaurant is so famous for.4.Wdoe the underlined word"gimmick"in paragraph 1 probablyrefer to?AA plan to promote the sushi.B.A trick to attract customers.C.A dish to win over opponents.D.A class to teach cooking skills.eHrori kenotrto make the smallesthAis pursuit for perfection.B.A bet he made with othersCThe requirement from hisbossD.The curiosity of a customer.0.Compared with the regular sushi,the world's smallest sushies more timee—般Clls worse among customersB.costs more money to buy27.Wht ddD.needs more expensive materialsHironori Ikeno人ack of experiende.words about the Swedish customer show?C.Dersity of the customers.B.His sense of achievement.D.Special treatment to foreigners.【→高三英语第4页（共10页）宁】

C.the scenry of plentiful valleys andunsD.the chance to spend starry nights oudoors23.Wh is the best place for history lovers?A.The Anti-Atlas.B.Marrakesh.C.The Sahara Desert.D.Fez.BTokyo restaurant Sushiya no Nohachi reportedly serves great sushi,but it is most famousoritsimmick making the world's smallest sushi ithsingle grainfiLocated in Asaka slightly quieter part of To Sushiya no Nohach is the place tofoua to enjoy the tiniest and most adorable sushi in the world.Each piece is madewith only a grain of rice and a tiny slice of topping wrapped in the thinnest piece of nori)Every served piece is actually perfect,which hints at the amount of work and-patiencethas into making them.They are the work of Hironori Ikeno,the chef of Sushiya noNohachi who came up with the idea in 2002 when a client asked him how small he could makehis sushi.He answered,"It is as small as a grain of rice",and proceeded to demonstrate thathe wasn't kidding.Years later,the restaurant became internationally famous for making theworld's smallest sushi.Despite its size,miniature sushi actually takes a bit longer to make than regular-sizedones.because of the precision and concentration required te put-the tiny ingredients together.Thatis part of the reason why the restaurant only prepares tiny sushi for customers a fewtimes a week and no more than five times a day,although they do sometimes make exceptionsoorivisitors who travel to the restaurant just to experience the world's smallest sushi."Ihad a client from Sweden who came just to see my tiny sushi and the moment she sawit,she literally cried with joy,"Hironori Ikeno said.烟Interestingly,one cannot simply order the tiny sushi at the restaurant.It is served forequest with a regular-sized sushi course.Considering the sushi served at this place够edy delicious,you should probably be more excited about that.Plus,it also justifiesthemmick that the restaurant is so famous for.4.Wdoe the underlined word"gimmick"in paragraph 1 probablyrefer to?AA plan to promote the sushi.B.A trick to attract customers.C.A dish to win over opponents.D.A class to teach cooking skills.eHrori kenotrto make the smallesthAis pursuit for perfection.B.A bet he made with othersCThe requirement from hisbossD.The curiosity of a customer.0.Compared with the regular sushi,the world's smallest sushies more timee—般Clls worse among customersB.costs more money to buy27.Wht ddD.needs more expensive materialsHironori Ikeno人ack of experiende.words about the Swedish customer show?C.Dersity of the customers.B.His sense of achievement.D.Special treatment to foreigners.【→高三英语第4页（共10页）宁】

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1、2024届湖南省高考猜题金卷(试题卷)答案(物理)19:183念四5同77%416解得(1分)【以下解法同样给分：A的向心加速度和切向加速度大小分别为(1分)aFug(1分)故nV层(2分)】(2)设A与B碰前瞬间的速度为v,根据动能定理mg之m2m

19:183念四5同77%416解得(1分)【以下解法同样给分：A的向心加速度和切向加速度大小分别为(1分)aFug(1分)故nV层(2分)】(2)设A与B碰前瞬间的速度为v,根据动能定理mg之m2mG1分)解得1ms(1分)根据动量守恒mP=m+m(I分)根据机械能守恒方m,2=m+m,号1分)解得205m/s(1分)又mgs0之e时1分)解得s=0.0625m(1分)【以下解法同样给分：B的切向加速度ag=4g=2m/s2(1分)B沿着切向方向做匀减速运动，则20.0625m1分】1Ti T 12I团个业▣三00编辑转为Word在线备份下载更多三0

1、2024届湖南省高考猜题金卷(试题卷)答案(化学)()6,℃时，向50g水中加入13gKNO,固体，搅拌形成溶液，此时KNO,溶液中溶质的质量分下列仪器。要求数为(2)将℃时160gKN0,饱和溶液稀释为溶质的质量分数为20%的溶液，需加水go(3)

()6,℃时，向50g水中加入13gKNO,固体，搅拌形成溶液，此时KNO,溶液中溶质的质量分下列仪器。要求数为(2)将℃时160gKN0,饱和溶液稀释为溶质的质量分数为20%的溶液，需加水go(3)若要除去KNO,中混有的少量KC1,实验步骤为：在一定量的水中加热溶解、、过滤、洗涤、干燥8(4)在4℃，向盛有200g水的烧杯中加人100gKN0,升温至4，℃，在该温度下，最后所得溶(寸请写：N液中溶质与溶液的质量之比为(只小明)4(5分)兴趣小组的同学在工厂收集了一些含铜的废料（主要成分为Cu),通过下列实验流(3)小红程回收金属铜（已知黑色固体中的其他杂质不与稀硫酸反应）。置。请写出处(4)同学固体a含铜灼烧黑色过量稀硫酸固体b锰质量废料①固体操作X②路装3溶液b17.(7lusor tintm术捕集是利(1)②③两步中操作X需要用到玻璃棒，作用是钠溶液展刀(2)操作②中发生的化学反应方程式：实验将(3)操作③中加入过量锌粉，发生的现象是(4)分析固体b的成分，上述实验流程(选填“能”或“不能”)回收到纯铜。三位15.(5分)某实验小组探究盐的化学性质时完成了以下几组实验，请回答下列问题。铜丝NaOH溶液X溶液+(2稀盐酸目Ba叫鸣AgNO,溶液MgCl,溶液Na,C0,溶液Ba(NO),溶液ABCD(1)年(1)A中充分反应后，可得出金属活动性：Cu(选填“>”或“