DFC=120°AD//BC,AD=BC=40m四边形ABCD为行四边形AB=DC=60m点F在园0的CD上，DOC=120°在△0DC中，CD=60,DOC=120°OD=20√3,0N=10√3FG≤OM+OF·（10分）.F处到AB边的最大距离为30√3m（SX2）数学试卷答案第6页共6页

绝密★启用前2025届全国高三联合性检测数学本试卷4页。总分150分。考试时间120分钟。注意事项：1.答卷前、考生务必将自己的姓名、准考证号填写在答题卡上。2.回答选择题时，选出每小题答案后,用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，再选涂其他答案标号。回答非选择题时，将答案写在答题卡上。写在本试卷上无效。3.考试结束后，将本试卷和答题卡一并交回。一、选择题：本题共8小题，每小题5分，共40分。在每小题给出的四个选项中，只有一项是符合题目要求的。1.已知（x+i）i=1-i，则x=B.-1+2iC.2-iD.2+iA.-1-2i2.已知集合A={yly=√2-3x},B={xly=log（1-2x）},则图中阴影部分所表示的集合为B.（-∞∞，0)D.(-∞,0]U3.已知向量a=（5，一2），b=（一4，一3），且入a十b与a+（2x-1）b方向相反，则实数入的值为A.1B.C.-1或-1D.1或-2224.记等差数列{a}的前n项和为S,，a>0，公差d≠0，且α，a4，a成等比数列，若S，=0，则n=A.18B.19C.20D.22C7√37√357√35A.B.5√1581πC.D.2781276.在面直角坐标系rOy中，角α的终边经过点P（一3，一4）,则 taiAB.-37.已知随机变量X~B(4,p),p∈（0,1),且2P(X=2)=3P(X=1),则E(X)+D(X)=A.1B.2C.3D.4数学试题1/4页

绝密★启用前2025届全国高三联合性检测数学本试卷4页。总分150分。考试时间120分钟。注意事项：1.答卷前、考生务必将自己的姓名、准考证号填写在答题卡上。2.回答选择题时，选出每小题答案后,用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，再选涂其他答案标号。回答非选择题时，将答案写在答题卡上。写在本试卷上无效。3.考试结束后，将本试卷和答题卡一并交回。一、选择题：本题共8小题，每小题5分，共40分。在每小题给出的四个选项中，只有一项是符合题目要求的。1.已知（x+i）i=1-i，则x=B.-1+2iC.2-iD.2+iA.-1-2i2.已知集合A={yly=√2-3x},B={xly=log（1-2x）},则图中阴影部分所表示的集合为B.（-∞∞，0)D.(-∞,0]U3.已知向量a=（5，一2），b=（一4，一3），且入a十b与a+（2x-1）b方向相反，则实数入的值为A.1B.C.-1或-1D.1或-2224.记等差数列{a}的前n项和为S,，a>0，公差d≠0，且α，a4，a成等比数列，若S，=0，则n=A.18B.19C.20D.22C7√37√357√35A.B.5√1581πC.D.2781276.在面直角坐标系rOy中，角α的终边经过点P（一3，一4）,则 taiAB.-37.已知随机变量X~B(4,p),p∈（0,1),且2P(X=2)=3P(X=1),则E(X)+D(X)=A.1B.2C.3D.4数学试题1/4页

型：AC.排球下落过程中，重力势能越来越大二、填空与作图题（11.（3分）太A.使用试电笔时，手接触笔尖金属体心舱，在时12.（2分）C.发生触电事故时应先切断电源准板”，形增加抓尾”）日13.（3分方。下列说法正确的是“近视A.“指南鱼”也可以用铜片制作“缩小B.“指南鱼”的鱼尾应该标注N极14.B.物体M从a点到c点过程中，拉力F做的总功为2000JC.物体M从ab段到bc段，滑轮组的机械效率变大D.拉力 F在ab段做的额外功等于在bc段做的额外功灌溉系统R/O15BC220V衔铁4FIN250工作电路---弹片200100150100湿敏电阻R50M01.2--Ro5s/m控制电路20406080100 H/%qD甲乙甲乙（第9题图）（第10题图）10物理实践小组为学校智慧农场设计了一款自动灌溉装置，其简化电路如图甲所示。该自动灌溉装置由控制电路和工作电路两部分组成，其中湿敏电阻R的阻值随土壤湿度H变化的关系图像如图乙所示，当线圈中的电流减小至0.04A时，衔铁被弹起，弹片与触点B、C接通，灌溉系统开始工作；当线圈中的电流增大至0.06A时，衔铁被吸下，弹片与触点B、C断开，灌溉系统停止工作。控制电路的电源电压恒为12V，线圈电阻不计。下列说法正确的是A.控制电路中电磁铁的上端为S极B.湿敏电阻R的阻值随土壤湿度H的增加而增大C.若R的阻值为150，则土壤的最大湿度为60%路中的干路电流为1A2025年陕西省初中物理全真模拟卷A-2-（共6页）

教学札记（1）实验前需要调节气垫导轨至水，给气垫导轨通入气流，将滑块A置于光电门1的左侧，轻推一下滑块A，其通过光电门1和光电门2的时间分别为4、2。若（选填"=”">”或“

1:02支保密★启用前准考证号姓名(在此卷上答题无效)厦门市2025届高中毕业班第三次质量检测历史试题2025.4本试卷共6页，考试时间75分钟，总分100分。注意事项：1.答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。2.回答选择题时，选出每小题答案后，用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，再选涂其他答案标号。回答非选择题时，将答案写在答题卡上。写在本试卷上无效。3.考试结束后，将答题卡交回。一、选择题：本题共16小题，每小题3分，共48分。在每小题给出的四个选项中，只有一项是最符合题目要求的。1.距今约3900一3200年的马桥文化是江南地区的典型文化，出土的陶器既有良诸文化风格的陶鼎、浙南闽北地区文化风格的印纹陶，也有与二里头文化陶器相似的三足盘、底盆等。这表明，当时江南地区A.部落之间联系紧密B.手工业生产日益成熟C.多元文化交流融合D.经济文化领先于中原2.云南河泊所遗址出土了大量两汉木质简牍，包括文告、司法文书、户版、典籍等。简牍中汉代云南地区A.已纳入中原王朝管辖B.享有较大的地方自主权C.延续了郡国并行制度D.文书管理制度较为严密3．唐高宗年间，由于土地兼并严重，朝廷严禁买卖国家授予的土地。开元二十五年，朝廷规定了“乐迁就宽乡（地广人稀）者”“卖充住宅、邸店、碾础者”等五种可出售国家所授田地的情形。这一调整A.强化了农民对政府的依附B.提升了商业发展水C.推动了土地私有化的发展D.导致了北方人口南迁历史试题第1页（共6页）

为“思与华夷，家的巨大变迁莫定材料二领域边疆市场研究》主要出口产品墨西哥外贸巴西占总出口比阿根廷石油、金银咖啡、橡胶咖啡、橡胶外资控制领域85%%0695%粮食自给率石油(美资)种植园（欧美）肉类加工（英资）谷物减产40%工业结构部分依赖国外产量高但优先出口采掘：制造=2：1产党利用并轻工业占80%食品加工为主，186-/89整理自《人类经济万年史-217》概念一—为教学过检讨学内扰乱5%兴”。区摘编自［英］阿诺德·汤因比（1889—1975年）《历史研究》等（要求：观点正确，史论结合，表述清晰）历史试题第6页共6页

21:27录 46%D. It was designed based on the natural conditions.29. What does Paragraph 3 mainly focus on about the water system?A. Its protection.B.Its locationC. Its working principle.D. Its historical importance.英语试题第5页（共10页)30. What does the underlined word “This” refer to?A. The long-term development.B. Cultural inheritance.C. Water usage and protection.D. The villagers? observation.31. What is the writing purpose of the passage?A. To describe the beauty of Hui architecture.B. To explain how people live in harmony with nature.C.To attract tourists to visit cultural heritage sites.D. To praise the creativity of people in Xidi and Hongcun.DResearchers at UC San Francisco have developed a brain-computer interface (BCI) that allows aparalyzed (瘫疾的） man to control a robotic arm using his thoughts. The device, which translates brainimagining the actions. Remarkably, the BCI functioned for a record seven months without requiringadjustments, a significant improvement over previous systems that lasted only a day or two.The breakthrough relies on an AI model that adapts to subtle changes in brain activity as a personrepeatedly imagines performing a movement. This adaptability allows the system to better itsperformance over time. “This blending of learning between humans and AI is the next stage forbrain-computer interfaces,” said Dr. Karunesh Ganguly, a neurologist at UCSF. “It's what we need toachievesophisticated,lifelike functionThe study, funded by the National Institutes of Health and published in Cell, focused onunderstanding how brain activity patterns shift over time. Ganguly and his team discovered that whilethe brain's representations of movements remain consistent,their locations change slightly from day today.By programming the AI to account for these shifts, the BCI maintained its functionality for months.The participant,who was paralyzed by a stroke,had tiny sensors implanted on his brain to detectactivity when he imagined moving. Over two weeks, the team trained the AI by having him imaginesimple movements, such as moving his fingers or hands. Initially, the robotic arm’s movements wereimprecise, but after practicing with a virtual arm that provided feedback, the participant improved hiscontrol. Once he transitioned to the real robotic arm, he quickly mastered tasks like pickingup blocks,opening cupboards, and holding a cup to a water machine. Even months later, he could control the armafter a brief "tune-up" to adjust for changes in his brain activity.Ganguly is now improving the AI to make the robotic arm faster and smoother, with plans to testthe BCI in home settings. For individuals with paralysis, this technology could be life-changing,enabling them to perform everyday tasks independently.“I'm very confident that we've learned how tobuild the system now, and that we can make this work," Ganguly said.32.How doesthe paralyzed man control a robotic arm through theBCI?A. By using his thoughts.B. By adjusting the device.C. By translating brain signals.D. By improving the present system.英语试题第6页(共10页)6/1033.Whichof thefollowingis afeatureoftheAI model?

21:27录 46%D. It was designed based on the natural conditions.29. What does Paragraph 3 mainly focus on about the water system?A. Its protection.B.Its locationC. Its working principle.D. Its historical importance.英语试题第5页（共10页)30. What does the underlined word “This” refer to?A. The long-term development.B. Cultural inheritance.C. Water usage and protection.D. The villagers? observation.31. What is the writing purpose of the passage?A. To describe the beauty of Hui architecture.B. To explain how people live in harmony with nature.C.To attract tourists to visit cultural heritage sites.D. To praise the creativity of people in Xidi and Hongcun.DResearchers at UC San Francisco have developed a brain-computer interface (BCI) that allows aparalyzed (瘫疾的） man to control a robotic arm using his thoughts. The device, which translates brainimagining the actions. Remarkably, the BCI functioned for a record seven months without requiringadjustments, a significant improvement over previous systems that lasted only a day or two.The breakthrough relies on an AI model that adapts to subtle changes in brain activity as a personrepeatedly imagines performing a movement. This adaptability allows the system to better itsperformance over time. “This blending of learning between humans and AI is the next stage forbrain-computer interfaces,” said Dr. Karunesh Ganguly, a neurologist at UCSF. “It's what we need toachievesophisticated,lifelike functionThe study, funded by the National Institutes of Health and published in Cell, focused onunderstanding how brain activity patterns shift over time. Ganguly and his team discovered that whilethe brain's representations of movements remain consistent,their locations change slightly from day today.By programming the AI to account for these shifts, the BCI maintained its functionality for months.The participant,who was paralyzed by a stroke,had tiny sensors implanted on his brain to detectactivity when he imagined moving. Over two weeks, the team trained the AI by having him imaginesimple movements, such as moving his fingers or hands. Initially, the robotic arm’s movements wereimprecise, but after practicing with a virtual arm that provided feedback, the participant improved hiscontrol. Once he transitioned to the real robotic arm, he quickly mastered tasks like pickingup blocks,opening cupboards, and holding a cup to a water machine. Even months later, he could control the armafter a brief "tune-up" to adjust for changes in his brain activity.Ganguly is now improving the AI to make the robotic arm faster and smoother, with plans to testthe BCI in home settings. For individuals with paralysis, this technology could be life-changing,enabling them to perform everyday tasks independently.“I'm very confident that we've learned how tobuild the system now, and that we can make this work," Ganguly said.32.How doesthe paralyzed man control a robotic arm through theBCI?A. By using his thoughts.B. By adjusting the device.C. By translating brain signals.D. By improving the present system.英语试题第6页(共10页)6/1033.Whichof thefollowingis afeatureoftheAI model?

2024学年第二学期杭州市高三年级教学质量检测英语参考答案第一部分听力（共两节，满分30分）1-5ABABC6-10 ABCBCC11-15CCACC16-20BAAAB第二部分阅读（共两节，满分50分）第一节（共15小题；每小题2.5分，满分37.5分）21.AACBA26.BCCDB 31.DACDD第二节（共5小题；每小题2.5分，满分12.5分）36-40FBACD第三部分语言运用（共两节，满分30分）第一节（共15小题；每小题1分，满分15分）41-45 DCDDA46-50BCBCA51-55 BABCD第二节（共10小题；每小题1.5分，满分15分）56. and/ while 57. preparation58. days59. to recreate60. served61. are prized62.who63. its64. as65. the第四部分写作（共两节，满分40分）第一节（满分15分）略第二节（满分25分）略高三英语·第1页