大单元学习三步一体高效训练讲评礼记解桥:由康件T知日为第点象限角,牌r十26r0次5+2r:h∈Z,N登+号0,b>0,且a+2b=2ab,则a+2b的最小值为解折:图为0>0,6>0,a+2必=2a6,得到日+品-1,将以a+2为7a+)+完)-0+盒+2≥2+2,苏=4,声且仅当碧=元即a际,6=1时年号答案:13.已知函毁f(x)=3+3-,则不等式f(x)≥4的解埔为解折:)x)=3+3-,f(x)≥4,所以3+33≥4,即(3)2-4X3+3≥0,所以(3-10(3-3以3”≤1或3≥3,解得x≤0或x≥1,即不等式x)≥4的解集为(-∞,0]U[1,十0).答案:(-∞,0]U[1,+∞)14,如图所示的是函数f(x)=sin(ax十p)的部分图象,p∈(0,x),w>0,则函数∫(x)的单调递增区间是二,其图象的对称轴方程为解轿:由随西可知,茎-子-音-登T--。-2ym(2z+)】又:垃点(经.0)∴sim(2×ξ+g=0.脚5+g一a“e0.◆-2.时p-y=im(2z+)伞-受+2a≤红+经吾+2,4长Z,解得-2+S
1、[百师联盟]2025届高三仿真模拟考试(一)1地理(百J)试题1、[百师联盟]2025届高三仿真模拟考试(一)1地理(百J)试题1、[百师联盟]2024届高三仿真模拟考试(四)4地理(重庆卷)试题1、2、[湘豫名校联考]2024-2025学年高三一轮复习质量检测地理试题1、广西名校联盟2024年秋季学期高二上学期入学检测卷政治试题1、陕西省2025届高三金太阳8月联考(无角标)化学试题1、衡齐高中20233、重庆康德2024年普通高等学校招生全国统一考试 高三第一次联合诊断检测物理答案1、重庆康德2024年普通高等学校招生全国统一考试 高三第一次联合诊断检测历史试题1、重庆康德2024年普通高等学校招生全国统一考试 高三第一次联合诊断检测化学试题
L.【参考答案】①BC2)0856:2.56③)7(3)安装图乙研究平抛运动实验装置时,保证斜槽末端水平,使小球每次都做平抛运动,由于小球每次都是从斜槽上同一位置开始释放,小球在轨道上运动时克服【评分原则】每空2分,第(1)题漏选得1分,错选得0分。阻力做功都相同,因此斜槽不需要光滑。【解析】(4)[1]由题图丙可知,两计数点间,小球在水平方向的位移相等,可知两计数点(1)四组实验中长木板都是水平放置,都需要平衡摩擦力,A错误,B正确:间的时间间隔相等,小球在竖直方向做自由落体运动,因此由匀变速直线运动的推CD.四组实验中,乙、丁都能用弹簧测力计测量绳的拉力,丙用力的传感器测量绳的拉力,只有甲不能测量绳的拉力,用重物的重力替代绳的拉力,需要满足所挂重论△y=gT2可得物质量m远小于小车的总质量M的条件,C正确,D错误。故选BC。T=0.1s(2)0.856;2.56则小球平抛初速度的大小为(3)设小车和手机的质量为M,斜面倾角为0,对钩码和小车以及手机的系统由牛vo=1.5m/s顿第二定律有ng+Mgsin0-uMgcos0-(M什m)a[2]小球在y轴方向由匀变速直线运动在某段时间内中间时刻的瞬时速度等于这段整理可得a=m(g一a)/M什Vgsin0 uMgcos6/M可知图像的斜率的意义为l/M=k时间内的平均速度,可得小球在B点y轴方向速度的大小为则小车和手机的质量为M=1/kvy=2m/s12.【参考答案】(1)小球A在竖直方向的分运动是自由落体运动小球在B点速度的大小为(2)不变e=2.5m/s(3)不需要(4)1.52.5【评分原则】每空2分13.【参考答案】(1)0.6s(2)12ms【解析】【评分原则】本题共10分,第1小问4分,第2小问6分。(1)甲实验时,小球A做平抛运动,小球B做自由落体运动,则实验现象是小球【解析】(1)网球在竖直方向上做匀减速直线运动,最高点竖直分速度恰好为0,则有A、B同时落地,说明小球A在竖直方向的分运动是自由落体运动。(2)将A、B球恢复初始状态后,用比较大的力敲击弹性金属片,A球落地点变远,h-h=28(2分)可下落的高度不变,由自由落体运动下落时间=西可知,则在空中运动的时间不解得V 8变。1=0.6s(2分)物理试题第17页(共22页)物理试题第18页(共22页)
1、高三2024年普通高等学校招生全国统一考试标准样卷(一)1试题(物理)1、高三2024年普通高等学校招生统一考试模拟信息卷(二)2物理HN4试题1、高三2024年普通高等学校招生统一考试 ·最新模拟卷(四)4物理HN4试题
4.宋元时期少数民族政权在统一多民族封建国家的发展中起到了重要作用。下面表格对应正确的是民族内容梳理①实行南北面官、四时捺钵制度②基本制度模仿北宋,中央机构官称实行双轨制③曾经出现过“大定之治”④推行“四等人制”A.契丹、党项、女真、蒙古B.鲜卑、女真、蒙古、满洲C.女真、吐蕃、契丹、满洲D.党项、女真、鲜卑、蒙古5.明景泰四年,明景帝以“待郎出镇,与巡按御史不相统辖,事多拘滞”为由,授巡抚都御史衔;此后,巡抚“或四五年,或八九年,株守一方”,权势日盛。为此,中央遂以巡按监督和牵制巡抚,出现巡抚对七品巡按“频笑逢迎其意旨”的情景。这可用以说明明朝A.行政区划改革的非连续性B.地方监察体系具有双轨性C.中央机构设置集权化趋势D.以卑制尊原则被长期遵循6.1843年,中英签订《中英五口通商章程》,附有的《海关税则》中规定的进口货物的税率,比鸦片战争前降低了50%左右,有的甚至降低了90%。《海关税则》还规定,凡未列入本税则的进出口货物,一律“值百抽五”。这些规定A.标志中国关税主权开始丧失B.便利了列强的商品输出C.体现国家垄断资本主义发展D.有利于民族工业的发展7.近代碑学书法大师于右任认为,北朝碑刻蕴含尚武精神,中国自宋以后,正缺乏尚武精神,所以提倡人们学习。《时务报》《清议报》《革命军》《民报》纷纷采用豪迈威武的魏碑体。近代魏碑体的复兴A.迎合中体西用的救亡主张B.折射自强不息的时代精神C.体现文学革命的进步思想D.铸就社会革命的锐利武器高二历史试题(附中版)第2页(共8页)》
思路点拨“one of the+形容词最高级+可数名词复数”结构,表示“最…之一”,此处指泉州是世界上最繁忙的海港之一,所以填busiest。58.答案experienced命题透析考查词性转换。思路点拨根据前面的“an”和后面的“designer'”可知,此处填形容词作定语。experienced意为“经验丰富的”。59.答案for命题透析考查介词。思路点拨be responsible for是固定短语,意为“对…负责”,所以填for。60.答案completely命题透析考查词性转换。思路点拨此处修饰形容词different要用副词形式。6l.答案inspiration命题透析考查词性转换。思路点拨此处作动词draw的宾语,要用名词形式。inspiration意为“灵感”。62.答案using命题透析考查非谓语动词。思路点拨句子谓语designed与动词use之间没有连词连接,故此处为非谓语形式;句子主语she与动词use之间是主动关系,应用现在分词作伴随状语,所以填using。63.答案a命题透析考查冠词。思路点拨此处泛指一个好机会,故填a。64.答案to take命题透析考查非谓语动词。思路点拨encourage sb.to do sth.“鼓励某人做某事”。65.答案which命题透析考查定语从句。思路点拨主句句子成分完整,与空处所在句子之间没有连词连接,故此处为非限制性定语从句。先行词是the once-again flourishing friendship,关系词在定语从句中作主语,指物,应用关系代词which引导定语从句。写作第一节(满分15分)One possible version:Dear John,TIANYI CULTUREI'm glad to inform you about our club's upcoming Spring Festival celebration!I'm writing to invite you to attend it.The event will be held at 7:00 pm next Friday at the school hall.It will be filled with traditional games,deliciousChinese food,and lively performances,all aimed at welcoming the new year with joy and warmth.As you are interestedin Chinese festivals,I'm sure that you will love it.Please remember to come early to make sure we can have a front seat.Dress casually,as it will be a relaxing andinformal gathering.Looking forward to your early reply.Yours,Li Hua一7
In Kansas'early history,fires were common with most homes built of wood and heatedwith coal.Every second mattered for the crews tasked with putting them out.Hale was amechanical genius,solving the problems firefighters faced in his era.Teams of trained horses were used to transport equipment to and from fires from 1860 to1927.Harnessing()the horses was a time-consuming business until Hale invented theswinging horse harness.The harness was suspended (from the ceiling of the firestation.When the alarm sounded,the horses moved into place and the harness broke openand dropped into position,making them spring into action with lightning speed.Hale trained his team to make certain every moment counted.Demonstrations of theirrecord-speed harnessing were so successful that major cities demanded to see the Kansas Cityfirefighters in action.The team was even invited to represent the United States as the"American Fire Team"at the International Fire Congress in London in 1893 for an audiencewith Queen Victoria.Passionate about seeking new approaches to upgrading firefighting,Hale madenumerous inventions,improving firefighters'work efficiency.He even hired a circusgymnast to teach firefighters physical fitness.His novel ideas dramatically changed thewhole fire service.Although Hale was fired owing to his political conflict with the authority in 1902,hedidn't quit his commitment to firefighting.He actively advised departments around thecountry and sold fire control facilities as far away as Russia.When he died in 1923,theKansas City Journal called him "one of the greatest fire chiefs in the history of modernfirefighting”.24.What was the advantage of George C.Hale's swinging harness?A.It allowed horses to run faster.B.It reduced response time to fireC.It protected firefighters from hurt.D.It simplified the process of firefighting.25.Why does the author mention the International Fire Congress?A.To indicate the excellence of Hale's team.B.To compare diverse firefighting techniques.C.To evaluate the role of the international stageD.To convince people of America's efforts in firefighting.26.Which of the following can best describe George C.Hale?A.Creative and committed.B.Ambitious and responsible.C.Brave and generous.D.Unselfish and optimistic.27.What is the best title for the text?A.Honors of the Kansas City Fire DepartmentB.Development of Kansas'Firefighting CauseC.George C.Hale:a Witness to the Fire ServiceD.George C.Hale:a Great Contributor to FirefightingCEach Olympic Games features athletes pushing the boundaries of human limits,but theParis Olympics are particularly notable in this regard.At the Paris Olympics,records were高二英语试题(附中版)第4页(共10页)
In Kansas'early history,fires were common with most homes built of wood and heatedwith coal.Every second mattered for the crews tasked with putting them out.Hale was amechanical genius,solving the problems firefighters faced in his era.Teams of trained horses were used to transport equipment to and from fires from 1860 to1927.Harnessing()the horses was a time-consuming business until Hale invented theswinging horse harness.The harness was suspended (from the ceiling of the firestation.When the alarm sounded,the horses moved into place and the harness broke openand dropped into position,making them spring into action with lightning speed.Hale trained his team to make certain every moment counted.Demonstrations of theirrecord-speed harnessing were so successful that major cities demanded to see the Kansas Cityfirefighters in action.The team was even invited to represent the United States as the"American Fire Team"at the International Fire Congress in London in 1893 for an audiencewith Queen Victoria.Passionate about seeking new approaches to upgrading firefighting,Hale madenumerous inventions,improving firefighters'work efficiency.He even hired a circusgymnast to teach firefighters physical fitness.His novel ideas dramatically changed thewhole fire service.Although Hale was fired owing to his political conflict with the authority in 1902,hedidn't quit his commitment to firefighting.He actively advised departments around thecountry and sold fire control facilities as far away as Russia.When he died in 1923,theKansas City Journal called him "one of the greatest fire chiefs in the history of modernfirefighting”.24.What was the advantage of George C.Hale's swinging harness?A.It allowed horses to run faster.B.It reduced response time to fireC.It protected firefighters from hurt.D.It simplified the process of firefighting.25.Why does the author mention the International Fire Congress?A.To indicate the excellence of Hale's team.B.To compare diverse firefighting techniques.C.To evaluate the role of the international stageD.To convince people of America's efforts in firefighting.26.Which of the following can best describe George C.Hale?A.Creative and committed.B.Ambitious and responsible.C.Brave and generous.D.Unselfish and optimistic.27.What is the best title for the text?A.Honors of the Kansas City Fire DepartmentB.Development of Kansas'Firefighting CauseC.George C.Hale:a Witness to the Fire ServiceD.George C.Hale:a Great Contributor to FirefightingCEach Olympic Games features athletes pushing the boundaries of human limits,but theParis Olympics are particularly notable in this regard.At the Paris Olympics,records were高二英语试题(附中版)第4页(共10页)
1、[重庆一模]新高考金卷2025届模拟卷(一)1地理答案1、[百师联盟]2025届高三仿真模拟考试(一)1地理(百N)试题1、[百师联盟]2025届高三仿真模拟考试(一)1地理(百J)试题1、百2、[绵阳一诊]绵阳市高中2022级第一次诊断性考试语文试题1、国考1号4·10月卷1·高中2025届毕业班基础知识滚动测试(三)3文数答案1、河南省2024-2025学年上学期八年级阶段性学情分析(一)历史试题
5285◆-CHOH.C0是41265C02H支3混合气·绝热反应管2245(容器内与外界没有热量交换)225L L2 L3 La LsLs L7 LsLo位点A.I2~L。体系处于平衡状态B.从起始到L1,CO2的消耗速率大于CH3OH的生成速率C.反应②的平衡常数:LL4第Ⅱ卷(非选择题共60分)三、非选择题:本题共5小题,共60分。16.(12分)钴及其化合物有着广泛的应用前景。回答下列问题:(1)一种具有光催化作用的配合物结构如图(其中为平面结构)。①基态Co原子的价电子轨道表示式为②该配合物中Co的化合价为,杂化方式NH为sp2和sp3的N原子数目之比为=0C102H20③ClO坛中O-C-O键角小于图中a处C-N-C键角的原因是(2)1mol八面体配合物CoCl3·3NH中含有o键的数目为,该配合物的空间结构有种。(3)钴蓝可用作青花瓷的颜料。钴蓝晶胞如图1,其晶体可由图2所示结构(包含I型和Ⅱ型两种小立方体)平移并置形成。●CoOAl00e→anmanm←图1图2①图1中Ⅱ型小立方体分别占据位置b、d、(填字母)。②阿伏加德罗常数的值为VA,钴蓝晶体的密度为g·cm3(列计算式)。高三化学试题第6页(共10页)