江苏省南京市2013~~2014高二第二学期期中复习试卷

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江苏省南京市 高二(上)期末物理试卷(含答案)

江苏省南京市  高二(上)期末物理试卷(含答案)

高二(上)期末物理试卷一、单选题(本大题共5小题,共20.0分)1.计算几个电阻的总电阻、电路的简化、引入平均速度、合力与分力等概念,这些处理物理问题的方法,都属于()A. 类比的方法B. 控制变量的方法C. 等效替代的方法D. 观察、实验的方法2.关于磁感应强度,下列说法中正确的是()A. 磁场中某点磁感应强度的大小,跟放在该点的通电导线有关B. 磁场中某点磁感应强度的方向,跟放在该点的通电导线所受磁场力方向一致C. 在磁场中某点的通电导线不受磁场力作用时,该点磁感应强度大小一定为零D. 在磁场中磁感线越密集的地方,磁感应强度越大3.如图所示,矩形线框在匀强磁场中做的各种运动中,能够产生感应电流的是()A. B. C. D.4.如图所示,当变阻器R3的滑动触头P向b端移动时()A. 电压表示数变小,电流表示数变大B. 电压表示数变小,电流表示数变小C. 电压表示数变大,电流表示数变大D. 电压表示数变大,电流表示数变小5.如图所示,直角三角形导线框abc以速度v匀速进入匀强磁场区域,则此过程中导线框内感应电流随时间变化的规律为下列四个图象中的哪一个?()A. B. C. D.二、多选题(本大题共4小题,共20.0分)6.关于电阻率,下列说法中正确的是()A. 有些材料的电阻率随温度的升高而减小B. 电阻率大的导体,电阻一定大C. 用来制作标准电阻的材料的电阻率几乎不随温度的变化而变化D. 电阻率与导体的长度和横截面积无关7.在匀强磁场中,一只矩形金属线框绕与磁感线垂直的转轴匀速转动,产生的交变电动势的图象如图所示。

则()A. 交变电动势的频率为100 HzB. 线框转动的角速度为C. 时线框平面与中性面重合D. 线框产生的交变电动势有效值为311 V8.如图所示为一速度选择器,两极板P、Q之间存在电场强度为E的匀强电场和磁感应强度为B的匀强磁场。

一束粒子流(重力不计)以速度v从a沿直线运动到b,则下列说法中正确的是()A. 粒子一定带正电B. 粒子的带电性质不确定C. 粒子的速度一定等于D. 粒子的速度一定等于9.如图所示,a、b灯分别标有“3.6V 4.0W”和“3.6V 2.5W”,闭合开关,调节R,能使a、b都正常发光.断开开关后重做实验,则()A. 闭合开关,a将慢慢亮起来,b立即发光B. 闭合开关,a、b同时发光C. 闭合开关稳定时,a、b亮度相同D. 断开开关,a逐渐熄灭,b灯闪亮一下再熄灭三、实验题探究题(本大题共2小题,共26.0分)10.为了研究某导线的特性,某同学所做部分实验如下:(1)用螺旋测微器测出待测导线的直径,如图甲所示,则螺旋测微器的读数为______mm;(2)用多用电表直接测量一段导线的阻值,选用“×10”倍率的电阻档测量,发现指针偏转角度太大,因此需选择______倍率的电阻档(选填“×1”或“×100”),欧姆调零后再进行测量,示数如图乙所示,则测量值为______Ω;(3)另取一段同样材料的导线,进一步研究该材料的特性,得到电阻R随电压U 变化图象如图丙所示,则由图象可知,该材料在常温时的电阻为______Ω;当所加电压为3.00V时,材料实际消耗的电功率为______W.(结果保留两位有效数字)11.在“用电流表和电压表测电池的电动势和内电阻”的实验中,提供的器材有:A.干电池一节B.电流表(量程0.6A)C.电压表(量程3V)D.开关S和若干导线E.滑动变阻器R1(最大阻值20Ω,允许最大电流1A)F.滑动变阻器R2(最大阻值200Ω,允许最大电流0.5A)G.滑动变阻器R3(最大阻值2000Ω,允许最大电流0.1A)(1)按图甲所示电路测量干电池的电动势和内阻,滑动变阻器应选______(填“R1”、“R2”或“R3”).(2)图乙电路中部分导线已连接,请用笔画线代替导线将电路补充完整.要求变阻器的滑片滑至最左端时,其使用电阻值最大.(3)闭合开关,调节滑动变阻器,读取电压表和电流表的示数.用同样方法测量多组数据,将实验测得的数据标在如图丙所示的坐标图中,请作出UI图线,由此求得待测电池的电动势E=______V,内电阻r=______Ω.(结果保留两位有效数字)所得内阻的测量值与真实值相比______(填“偏大”、“偏小”或“相等”)四、计算题(本大题共4小题,共54.0分)12.如图甲所示的螺线管的匝数n=1500,横截面积S=20cm2,电阻r=1.5Ω,与螺线管串联的外电阻R1=10Ω,R2=3.5Ω.若穿过螺线管的磁场的磁感应强度按图乙所示的规律变化,计算R1上消耗的电功率.13.如图所示,电子由静止开始经加速电场加速后,沿平行于板面的方向射入偏转电场,并从另一侧射出.已知电子质量为m,电荷量为e,加速电场电压为U0,偏转电场可看做匀强电场,极板间电压为U,极板长度为L,板间距离为d.(1)忽略电子所受重力,求电子射入偏转电场时初速度v0;(2)求电子从电场射出时沿垂直板面方向的偏转距离△y;(3)分析物理量的数量级,是解决物理问题的常用方法.在解决(1)问时忽略了电子所受重力,请利用下列数据分析说明其原因.已知U=2.0×102V,d=4.0×10-2m,m=9.1×10-31kg,e=1.6×10-19C,g=10m/s2.14.在以坐标原点O为圆心、半径为r的圆形区域内,存在磁感应强度大小为B、方向垂直于纸面向里的匀强磁场,如图所示.一个不计重力的带电粒子从磁场边界与x 轴的交点A处以速度v沿-x方向射入磁场,它恰好从磁场边界与y轴的交点C处沿+y方向飞出.(1)请判断该粒子带何种电荷,并求出其比荷;(2)若磁场的方向和所在空间范围不变,而磁感应强度的大小变为B′,该粒子仍从A处以相同的速度射入磁场,但飞出磁场时的速度方向相对于入射方向改变了60°角,求磁感应强度B′多大?此次粒子在磁场中运动所用时间t是多少?15.如图所示,在一光滑水平的桌面上,放置一质量为M,宽为L的足够长“U”型框架,其ab部分电阻为R,框架其它部分的电阻不计.垂直框架两边放一质量为m、电阻为R的金属棒cd,它们之间的动摩擦因数为μ,棒通过细线跨过一定滑轮与劲度系数为k的另一端固定的轻弹簧相连.开始弹簧处于自然状态,框架和棒均静止.现在让框架在大小为2μmg的水平拉力作用下,向右做加速运动,引起棒的运动可看成是缓慢的.水平桌面位于竖直向上的匀强磁场中,磁感应强度为B.问:(1)框架和棒刚开始运动的瞬间,框架的加速度为多大?(2)框架最后做匀速运动(棒处于静止状态)时的速度多大?(3)若框架通过位移S后开始匀速,已知弹簧的弹性势能的表达式为kx2(x为弹簧的形变量),则在框架通过位移s的过程中,回路中产生的电热为多少?答案和解析1.【答案】C【解析】解:求几个电阻的总电阻、把一个复杂的电路简化,都用到了等效替代的方法,合力与分力的作用效果是等效的,故C正确,A、B、D错误.故选:C.中学物理中经常用的研究方法有:控制变量法,微小变量放大法,等效替代法等,要明确这些方法在具体实验中的应用.理解各种物理方法的应用,提高学科思想,为将来独立研究问题打下基础.2.【答案】D【解析】【分析】磁感应强度是描述磁场强弱的物理量,通过电流元垂直放置于磁场中所受磁场力与电流元的比值来定义磁感应强度.比值与磁场力及电流元均无关.电流元所受磁场力是由左手定则来确定.本题关键知道磁感应强度是通过比值定义得来,例如电场强度也是这种定义,电场强度与电场力及电荷量均没有关系.再如密度也是,密度与物体的质量及体积均无关.同时电流元放入磁场中不一定有磁场力,还受放置的角度有关,难度不大。

南京市2013~2014学年度校历

南京市2013~2014学年度校历
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第十九周中小学期末考试。
中小学7月1日放暑假。
十一
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十三
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十四
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十五
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十七
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二十一
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南京市2013-2014学年度第二学期校历
日 星

2023-2024学年江苏省南京市高二上学期期中学情调研测试语文试卷

2023-2024学年江苏省南京市高二上学期期中学情调研测试语文试卷

2023-2024学年江苏省南京市高二上学期期中学情调研测试语文试卷阅读下面的文字,完成下面小题。

《红楼梦》里关于黛玉的诗,还有很多,这篇文章里不可能一一细说,但七十六回的“冷月葬诗魂”,却不能不说。

此句庚辰本作“冷月葬死魂”,“死”字点去,原笔旁改为“诗”字,全句为“冷月葬诗魂”。

作“诗魂”者,还有程甲本、甲辰本、列藏本。

作“冷月葬花魂”的有戚序本系统的三个本子,即戚序本、蒙府本、南京图书馆藏本,还有杨本。

实际上戚序本系统的三个本子是一个来源,其数据是虚的,且戚本和杨本的时间都是乾隆末年,而庚辰本其底本是乾隆二十五年,现存的抄本至晚也是乾隆三十二、三十三年左右,程甲本刊印的时间是乾隆五十六年,但其底本也当是乾隆中期的抄本,甲辰本是乾隆四十九年的抄本,列藏本约是乾隆末或嘉庆初年的本子,而以后者的可能性较大。

所以从抄本的角度看,作“诗魂”的四个本子,有三个是乾隆中期的,一个是嘉庆初期的,而作“花魂”的本子,都是乾隆末年的,特别是戚本是经人整理过的本子,其可信的程度是有限的。

认为是“花魂”的同志,认为“死”字与“花”字形近,是形近而误。

其实这是不足为据的。

“死”字起笔是一平划,与“花”字起笔的两竖笔,无论如何不能混淆,可知“形近而误”是一种想当然的想法。

而庚辰本上“死”字点改为“诗”字,是原抄者的改笔。

当时一人念,一人抄,易致音近而误。

就在本回,音近而误的还可举出:如第1876页倒数第4行“海棠诗四手”,实是“海棠诗四首”,因“首”“手”音近而误;如1877页第3行末“黛玉笑道:‘正是故人常说’”,实是“古人常说”,因“古”“故”音近而误。

下面再从“诗魂”和“花魂”这两个词的内涵方面作一些分析。

六十三回《寿怡红群芳开夜宴》,诸人抽象牙花名签子,宝钗伸手掣出一根,大家一看,只见签上画着一枝牡丹,题着“艳冠群芳”四字。

下面又有镌的小字一句唐诗,道是:任是无情也动人。

又注着:“在席共贺一杯,此为群芳之冠……”众人看了都笑说:“巧得很,你也原配牡丹花。

江苏省南京市第十三中学2024-2025学年高二上学期10月期中考试语文试题(含答案)

江苏省南京市第十三中学2024-2025学年高二上学期10月期中考试语文试题(含答案)

2024年高二年级上期中模拟测(语文)时间:150分钟满分150分命题人:做题人:2024年10月28日一、名篇名句默写(10分)1.补写出下列句子中的空缺部分。

(每空1分)(1)王于兴师,修我甲兵,________________。

(《诗经·秦风·无衣》)(2)自伐者无功,________________。

(《〈老子〉四章》)(3)《〈老子〉四章》中,与“人贵有自知之明”表达的意思相同的句子是:“________________,________________。

”(4)在《〈论语〉十二章》中,“________________,________________”这两句最能体现孔子对追求真理的态度。

(5)遥对明月,李太白畅饮美酒,在《将进酒》中通过“________________”一句表达明月不可辜负之情;张若虚生发哲思,在《春江花月夜》中借“________________”一句,以人赏月来探问人类源起。

(6)古诗中的长江往往具有恢弘的气势,比如王安石在《桂枝香·金陵怀古》里写其辽远澄澈“________________”,张若虚在《春江花月夜》里写其壮阔浩荡“________________”。

二、语言文字运用(10分)阅读下面的文字和图表,完成2-4题。

(10分)2.给下列加点字注音,根据拼音写汉字。

(4分)①_______尊俯就(qū)②_______(sì)意妄为③狡黠()④怪癖()(一)狄更斯十五岁进律师事务所当学徒,开始了__________的生活。

后来靠自学掌握了复杂的速记技术,当上了民事诉讼法庭的审案记录员,接着又充任报社派驻议会的记者。

这两项工作使他年纪轻轻就有了同龄人无法比拟的对社会人生丰富而深刻的认识。

同时,他还练就了奋笔疾书、__________的写作本领。

他曾爱上一位富家千金,因阶级地位悬殊而遭拒绝。

他没有因此而萎靡不振,反而更加奋发向上。

南京市南师附中2024-2025学年高二上学期期中考试数学试卷及答案

南京市南师附中2024-2025学年高二上学期期中考试数学试卷及答案

南京师大附中2024—2025学年度第1学期高二年级期中考试数学试卷命题人:高二数学备课组 审阅人:高二数学备课组一.选择题1.过两点()2,4-和()4,1-的直线在x 轴上的截距为( )A .145B .145-C .73D .73-2.过圆225x y +=上一点()2,1M --作圆的切线l ,则直线l 的方程为( ) A .230x y -+=B .250x y ++=C .250x y --=D .250x y +-=3.若k ∈R ,则“22k -<<”是“方程221362x y k k+=+-表示椭圆”的( ) A .充分不必要条件B .必要不充分条件C .充要条件D .既不充分也不必要条件4.若抛物线24y x =上的一点M 到坐标原点O M 到该抛物线焦点的距离为( ) A .5B .3C .2D .15.设直线l 的方程为()sin 10x y θθ+-=∈R ,则直线l 的倾斜角α的范围是( ) A .()0,πB .πππ3π,,4224⎡⎫⎛⎤⎪ ⎢⎥⎣⎭⎝⎦C .π3π,44⎡⎤⎢⎥⎣⎦D .ππ,42⎡⎫⎪⎢⎣⎭6.若直线上存在到曲线T 上一点的距离为d 的点,则称该直线为曲线T 的d 距离可相邻直线.已知直线:430l x y m +-=为圆()()22:2716C x y -++=的3距离可相邻直线,则m 的取值范围是( )A .[]48,22-B .[]18,8--C .(][),4822,-∞-+∞D .(][),188,-∞--+∞7.已知双曲线()222210,0x y a b a b-=>>的左、右焦点分别为1F ,2F ,M 为双曲线右支上的一点.若M 在以12F F 为直径的圆上,且12π5π,312MF F ⎛⎫∠∈ ⎪⎝⎭,则该双曲线离心率的取值范围为( )A .(B .)+∞C .()1D .)18.已知A ,B 分别是椭圆2214x y +=的左、右顶点,P 是椭圆在第一象限内一点.若2PBA PAB ∠=∠,则PA PB的值是( )A .5BC .5D .5二.多选题9.已知椭圆22:143x y C +=的左、右焦点分别为1F ,2F ,P 为椭圆C 上一点.则下列说法错误的是( )A .椭圆CB .12PF F △的周长为5C .1290F PF ∠<︒D .113PF ≤≤10.已知()0,2M ,()0,3N ,在下列方程表示的曲线上,存在点P 满足2MP NP =的有( ) A .370x -=B .4320x y +-=C .221x y +=D .2222140x y x y +-+-=11.天文学家卡西尼在研究土星及其卫星的运行规律时发现:同一平面内到两个定点的距离之积为常数的点的轨迹是卡西尼卵形线.已知定点()1,0F c -,()2,0F c ,动点P 满足212PF PF a ⋅=(a ,0c >且均为常数).设动点P 的轨迹为曲线E .则下列说法正确的是( ) A .曲线C 既是轴对称图形,又是中心对称图形B .12PF PF +的最小值为2aC .曲线E 与x 轴可能有三个交点D .2ca ≥时,曲线E 上存在Q 点,使得12QF QF ⊥ 三.填空题12.与双曲线2212x y -=有公共渐近线,且过点的双曲线的方程为______.13.若直线l 过抛物线24y x =的焦点.与抛物线交于A ,B 两点.且线段AB 中点的横坐标为2.则弦AB 的长为______.14.已知点()5,4P ,点F 为抛物线2:8C y x =的焦点.若以点P ,F 为焦点的椭圆与抛物线有公共点,则椭圆的离心率的最大值为______.四.解答题15.已知直线1:220l ax y +-=与直线2:220l x ay +-=.(1)当12l l ⊥时,求a 的值;(2)当12l l ∥时,求1l 与2l 之间的距离.16.已知点()1,2A ,()1,2B --,点P 满足4PA PB ⋅=. (1)求点P 的轨迹Γ的方程;(2)过点()2,0Q -分别作直线MN ,RS ,交曲线Γ于M ,N ,R ,S 四点,且MN RS ⊥,求四边形MRNS 面积的最大值与最小值.17.已知椭圆()2222:10x y E a b a b +=>>的一个焦点坐标为()2,0,离心率为23.(1)求椭圆E 的标准方程;(2)设动圆22211:C x y t +=与椭圆E 交于A ,B ,C ,D 四点.动圆()222222212:C x y t t t +=≠与椭圆E 交于A ',B ',C ',D '四点.若矩形ABCD 与矩形A B C D ''''的面积相等,证明:2212t t +为定值.18.已知椭圆()2222:10x y C a b a b+=>>和抛物线()2:20E y px p =>.从两条曲线上各取两个点,将其坐标混合记录如下:(1P -,(22,P,)31P -,()49,3P .(1)求椭圆C 和抛物线E 的方程;(2)设m 为实数,已知点()3,0T -,直线3x my =+与抛物线E 交于A ,B 两点.记直线TA ,TB 的斜率分别为1k ,2k ,判断2121m k k +是否为定值,并说明理由. 19.设a 为实数,点()2,3在双曲线2222:12x y C a a -=+上. (1)求双曲线C 的方程; (2)过点1,12P ⎛⎫⎪⎝⎭作斜率为k 的动直线l 与双曲线右支交于不同的两点M ,N ,在线段MN 上取异于点M ,N 的点H ,满足PM MHPN HN=. (ⅰ)求斜率k 的取值范围;(ⅱ)证明:点H 恒在一条定直线上.南京师大附中2024—2025学年度第1学期高二年级期中考试数学试卷命题人:高二数学备课组 审阅人:高二数学备课组一.选择题1.【答案】A【解析】直线的斜率()415246k --==---,∴直线的方程为()5426y x -=-+,即5763y x =-+, ∴直线在x 轴上的截距为145,故选A . 2.【答案】B【解析】00525xx yy x y +=⇒--=,故选B . 3.【答案】B【解析】方程221362x y k k +=+-表示椭圆3602021362k k k k k+>⎧⎪⇒->⇒-<<-⎨⎪+≠-⎩或12k -<<,故选B . 4.【答案】C【解析】设点2,4y M y ⎛⎫⎪⎝⎭,由MO =()2220054y y ⎛⎫-+-= ⎪⎝⎭, ∴24y =或220y =-(舍去),即214y x ==, ∴M 到抛物线24y x =的准线1x =-的距离()112d =--=,根据抛物线定义得选项C .5.【答案】C【解析】当sin 0θ=时,则直线的斜率不存在,即直线的倾斜角为π2, 当sin 0θ≠时,则直线的斜率(][)1,11,sin k θ=-∈-∞-+∞,即直线倾斜角为πππ3π,,4224⎡⎫⎛⎤⎪ ⎢⎥⎣⎭⎝⎦, 综上所述,直线的倾斜角的范围为π3π,44⎡⎤⎢⎥⎣⎦.故选C . 6.【答案】A【解析】圆C 的半径为4,直线l 上存在到圆C 上一点的距离为3的点, 故圆心()2,7C -到直线l 的距离7d ≤,即()423775m⨯+⨯--≤,解得[]48,22m ∈-,故选A .7.【答案】D【解析】设21MF F θ∠=,则12sin MF c θ=,22cos MF c θ=, 根据双曲线定义122sin 2cos 2MF MF c c a θθ-=-=,1π4c aθ=⎛⎫- ⎪⎝⎭,π5π,312θ⎛⎫∈ ⎪⎝⎭,故πππ,4126θ⎛⎫-∈ ⎪⎝⎭1c e a =<,故选D . 8.【答案】C【法一】由题意知()2,0A -,()2,0B ,设()00,P x y , 直线P A ,PB 的斜率分别为1k ,2k ,则1214k k =-, 由正弦定理得sin 2cos sin PA PBAPAB PB PAB∠==∠∠, 又22tan tan tan 21tan PABPBA PAB PAB∠∠=∠=-∠,则122121k k k -=-, 联立解得2119k =,即22211cos tan 9cos PAB PAB PAB -∠=∠=∠,所以cos PAB ∠=,即5PA PB =, 【法二】设()00,P x y ,则00tan 2y PAB x ∠=+,00tan 2y PBA x ∠=--, 0000200022102tan tan 221312y y x PBA PAB PBA PAB x x y x +∠=∠⇒-=∠=∠=⇒=-⎛⎫- ⎪+⎝⎭,20144169y =5PAPB==二.多选题9.【答案】AB对于选项A :由题意可知2a =,1c ===,∴离心率12c e a ==,故选项A 错误, 对于选项B :由椭圆的定义1224PF PF a +==,1222F F c ==, ∴12PF F △的周长为426+=,故选项B 错误,对于选项C :当点P 为椭圆短轴端点时,12tan23F PF c b ∠==, 又∵120902F PF ∠︒<<︒,∴12302F PF∠=︒,即1260F PF ∠=︒, ∴1290F PF ∠<︒,故选项C 正确, 对于选项D :由椭圆的几何性质可知1a c PF a c -≤≤+,∴113PF ≤≤,故选项D 正确.10.【答案】BC【解析】()2254,39P x y x y ⎛⎫⇒=+-= ⎪⎝⎭对于A ,7233d R -=>=,所以直线与圆相离,不存在点P ; 对于B ,5232553d R -==<=,所以直线与圆相交,存在点P ; 对于C ,121252133C C R R ==+=+,所以两圆外切,存在点P ;对于D ,()()22121221116433x y C C R R -++=⇒=<-=-,所以两圆内含,不存在点P . 11.【答案】ACD【解析】212a PF PF =⋅==对于A ,用x -代x 得222x y c ++=y 轴对称,用y -代y 得222x y c ++=x 轴对称,用x -代x ,y -代y 得222x y c ++=所以曲线C 既是中心对称图形,又是轴对称图形,所以A 正确;对于B ,当0a >时,122PF PF a +≥=,当0a =时,显然P 与1F 或2F 重合,此时122PF PF c +=,所以B 错误; 对于C ,根据对称性可得,曲线E 与x 轴可能有三个交点,所以C 正确; 对于D ,若存在点P ,使得12PF PF ⊥,则12PF PF ⊥,因为()1,PF c x y =---,()2,PF c x y =--,所以222x y c +=,由222x y c ++=22c =222c a ≥,所以D 正确.三.填空题12.【答案】2212x y -= 【解析】设所求双曲线方程为()2202x y λλ-=≠,将点代入双曲线方程得121λ=-=-,故方程为2212x y -=.13.【答案】6【解析】设A 、B 两点横坐标分别为1x ,2x , 线段AB 中点的横坐标为2,则1222x x +=,故12426AB x x p =++=+=. 14.【答案】57【解析】由抛物线方程得()2,0F ,准线方程为2x =-, 又点()5,4P ,则25c PF ==,在抛物线上取点H ,过H 作HG 垂直直线2x =-,交直线2x =-于点G , 过P 作PM 垂直直线1x =-,交直线1x =-于点M ,由椭圆和抛物线定义得()2527a HF HP HG HP PM =+=+≥=--=,故椭圆离心率2527c e a =≤.四.解答题15.【解析】(1)由12l l ⊥,则20a a +=,解得0a =.(2)由12l l ∥得22244a a ⎧=⎨-≠-⎩,解得1a =-,直线2l 的方程为220x y -+-=,即220x y -+=, 直线1l 的方程为220x y --=, 因此,1l 与2l 之间的距离为d ==. 16.【解析】(1)设(),P x y ,则()()41,21,2PA PB x y x y =⋅=--⋅----,故轨迹方程为229x y +=. (2)假设点O 到MN 的距离为m ,到RS 的距离为n,则12S MN RS == 因为MN RS ⊥,所以224m n +=,所以)204S m ==≤≤,所以S ⎡⎤∈⎣⎦,所以四边形MRNS 面积的最大值14,最小值17.【解析】(1) 222249253a b a b e ⎧-=⎧=⎪⎪⇒⇒⎨⎨=⎪==⎩⎪⎩椭圆22:195x y E += (2)设()33,A x y ',矩形ABCD 与矩形A B C D ''''的面积相等 ∴331144x y x y =,即22221133x y x y=∵A ,A '均在椭圆上,∴22223113515199x x x x ⎛⎫⎛⎫⨯-=⨯- ⎪ ⎪⎝⎭⎝⎭,即22139x x +=,222231135151599x x y y ⎛⎫⎛⎫+=-+-= ⎪ ⎪⎝⎭⎝⎭ 故()()()()()22222222222212113313131314t t x y x y x x x x y y +=+++=+=+++=为定值. 18.【解析】(1)将四个点带入抛物线方程解得12p =-,12,2,12,故抛物线E 方程为2y x =故(1P -,)31P -为椭圆上的点22222242186141a a b b a b ⎧+=⎪⎧=⎪⎪⇒⇒⇒⎨⎨=⎪⎩⎪+=⎪⎩椭圆C 方程22184x y += (2)设()12,A x x ,()22,B x y ,则1222123303x my y y m y my y y y x =++=⎧⎧⇒--=⇒⎨⎨=-=⎩⎩()()()121222212121212666136212my my m y y m m m k k y y y y y y ++++=+=++=-为定值. 19.【解析】(1)因为点()2,3在双曲线C 上,所以22222312a a -=+,整理得42780a a +-=, 即()()22180a a -+=,解得21a =,则双曲线C 的方程为2213y x -=; (2)(ⅰ)易知直线l 的方程为112y k x ⎛⎫=-+ ⎪⎝⎭,即112y kx k =+-, 联立2211213y kx k y x ⎧=+-⎪⎪⎨⎪-=⎪⎩,消去y 并整理得()()222132404k x k k x k k ⎛⎫-+---+= ⎪⎝⎭, 设()11,M x y ,()22,N x y ,因为直线l 与双曲线的右支有两个不同的交点M ,N , 所以关于x 的方程()()222132404kxk k x k k ⎛⎫-+---+= ⎪⎝⎭有两个不同的正数根1x ,2x ,()()()()()()()()()22222222212434033416043202301303404k k k k k k k k k k k k k k k k k ⎧⎛⎫-+--+> ⎪⎪⎧-+->⎝⎭⎪⎪⎪⎪--<⇒-->⎨⎨⎪⎪-<⎛⎫⎪⎪⎩---+> ⎪⎪⎝⎭⎩,解得k ∈⎝则斜率k的取值范围为⎝; (ⅱ)设()00,H x y ,由(ⅰ)得()()12222233k k k k x x k k --+=-=--,()222122221144416443343k k k k k k x x k k k ⎛⎫--+-+ ⎪-+⎝⎭===---, 因为1112x a ≥=>,2112x a ≥=>,()()01020x x x x --<, 又P ,M ,N ,H 在同一直线l 上,所以111222112122112122x x PM x PN x x x ---===---,0120MH x x HN x x -=-, 由PM MH PN HN=得0112202121x x x x x x --=--,即()()()()1202012121x x x x x x --=--, 化简得()()()1201212214x x x x x x x +-=-+,所以()()202222241621333k k k k k k x k k k --⎛⎫-+-=- ⎪---⎝⎭, 整理得()()()2202234162k k k x k k k k --+=-+--,解得0832kx k -=-,即003821x k x -=- 又点()00,H x y 在直线112y k x ⎛⎫=-+ ⎪⎝⎭上,所以()001136911223264k k y k x k k +⎛⎫=-+=+= ⎪--⎝⎭ 即00000386921386421x x y x x -+⋅-=--⋅-,故点H 恒在定直线3260x y --=上.。

江苏南京2024年高二上学期11月期中调研数学试题

江苏南京2024年高二上学期11月期中调研数学试题

江苏省南京市2024-2025学年高二上学期11月期中学情调研测试数学试题注意事项:1.本试卷考试时间为120分钟,试卷满分150分.2.本试卷中所有试题必须作答在答题卡上规定的位置,否则不给分.3.答题前,务必将自己的姓名、准考证号用0.5毫米黑色墨水签字笔填写在试卷及答题卡上.一、选择题:本大题共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,请把答案填涂在答题卡相应位置上.1.下列四组数据中,方差最小的是A.5,5,5,5,5,5,5,5B.4,4,4,5,5,5,6,6C.3,3,4,4,5,6,6,7D.2,2,2,2,2,5,8,82.已知i 13i z ⋅=+,则z =A.3i −+B.3i −−C.3i +D.3i −3.直线310x +=的倾斜角为 A.π6 B.π3 C.2π3 D.5π64.两条渐近线互相垂直的双曲线的离心率为5.若方程22171x y m m +=−−表示焦点在y 轴上的椭圆,则实数m 的取值范围是 A.(,1)−∞ B.(1,4) C.(4,7) D.(7,)+∞6.底面直径与高相等的圆柱的体积为2π,则该圆柱的外接球的表面积为A.6πB.8πC.10πD.12π 7.已知点(0,0),(3,0)O A ,若圆2230x y tx ++−=上任意一点P 都满足||2||PA PO =,则实数t =A.-3B.-2C.2D.3 8.抛物线2:4C x y =的准线为l ,M 为C 上的动点,则点M 到l 与到直线250x y −−=的距离之和的最小值为二、选择题:本大题共3小题,每小题6分,共18分.在每小题给出的四个选项中,有多项符合题目要求,请把答案填涂在答题卡相应位置上.全部选对得6分,部分选对得部分分,不选或有错选的得0分.9.分别抛掷两枚质地均匀的硬币,记“第一枚硬币正面朝上”为事件A ,“第二枚硬币反面朝上”为事件B ,则 A.1()2P A = B.1()3P AB = C.A 和B 是互斥事件 D.A 和B 是相互独立事件10.在矩形ABCD 中,2,4AB AD ==.若13,42BE BC CF CD ==− ,则 B.//AC BF B.AE BD ⊥C.以CE 为直径的圆与直线BF 相切D.直线AE 与BF 的交点在矩形ABCD 的外接圆上 11.已知椭圆22:143x y C +=,直线y mx =与C 交于A ,B 两点,点P 为C 上异于A ,B 的动点,则A.当12m =时,||AB = B.||PA PB +C.存在点P ,使得π2APB ∠= D.ABP S 三、填空题:本大题共3小题,每小题5分,共15分.请把答案填写在答题卡相应位置上.12.若直线1:210l x my ++=与2:(1)30l m x y −+−=垂直,则实数m =______.13.已知π3cos ,45x x+=∈ ,则sin x =______. 14.历史上最早系统研究圆锥曲线的是古希腊学者梅纳库莫斯,大约100年后,阿波罗尼斯更详尽地研究了圆锥曲线,他的研究涉及圆锥曲线的光学性质,其中一条是:如图(1),从右焦点2F 发出的光线m 交双曲线右支于点P ,经双曲线反射后,反射光线n 的反向延长线经过左焦点1F .已知图(2)中,双曲线C 的中心在坐标原点,左、右焦点分别为12(4,0),(4,0)F F −,直线l 平分12F PF ∠,过点2F 作l 的垂线,垂足为H ,且||2OH =.则当反射光线n 经过点(8,5)M 时,2||F P PM +=______.四、解答题:本大题共5小题,共77分.请在答题卡指定区域内作答,解答时应写出必要的文字说明,证明过程或演算步骤.15.记ABC 的内角A ,B ,C 的对边分别为a ,b ,c ,已知cos cos 2cos a C c A b A +=.(1)求A ;(2)若2,4a b c =+=,求ABC 的面积.16.已知点(4,2)A 在抛物线2:2(0)C y px p =>上,直线l 经过点A ,且在y 轴上的截距为-2.(1)求p 的值和直线l 的方程;(2)记l 与C 的另一个交点为B ,求经过O ,A ,B 三点的圆的方程.17.在四面体P ABC 中,M ,N 分别为PC ,BC 的中点.(1)证明:PB //平面AMN ;(2)若PC ⊥平面,2,3ABC PC AC ==,四面体P ABC 的体积为2,且cos ACB ∠,求MN 与平面P AC 所成角的正弦值.18.已知圆()2224C x y ++=:,圆222:(2)(0D x y r r −+=<<,过点(0,1)P 作圆D 的切线,切线的长为2.(1)求圆D 的方程;(2)直线l 经过点P ,且与圆C 交于A ,B 两点,||AB =①求l 的方程和CA CB ⋅ 的值;②若动圆E 与圆C 外切,且与圆D 内切,求动圆圆心E 到点P 距离的最小值.19.已知椭圆2222:1(0)x y E a b a b+=>>的右顶点为A ,上顶点为,||B AB =. (1)求E 的方程;(2)直线l 平行于直线AB ,且与E 交于M ,N 两点,①P ,Q 是直线AB 上的两点,满足四边形MNPQ 为矩形,且该矩形的面积等于21||3MN ,求l 的方程; ②当直线AM ,BN 斜率存在时,分别将其记为12,k k ,证明:12k k ⋅为定值.。

2024年江苏省南京市中考英语复习试卷及答案指导

2024年江苏省南京市中考英语复习试卷及答案指导

2024年江苏省南京市英语中考复习试卷及答案指导一、听力部分(本大题有20小题,每小题1分,共20分)1、What does the man mean?W: I heard you received the top grade on all five exams last semester. How do you manage to do that?M: Well, it’s really not as impressive as it sounds. The class size is small, and the subject matter isn’t too challenging.A. He thinks the exams were easy.B. He doesn’t like to show off his success.C. He believes he was lucky to get high grades.D. He studies very hard.Answer: AExplanation: The man downplays his achievement by suggesting that the class size and the level of difficulty of the subject matter contributed to his success, implying that the exams were not particularly challenging.2、Where does this conversation most probably take place?W: I can’t believe it’s raining again. My umbrella broke yesterday, and now I’m all wet!M: You should have come to me sooner; I’ve got a couple of extras in my office.A. At a bus stop.B. In a classroom.C. In the man’s office.D. At home.Answer: CExplanation: The man offers an extra umbrella from his office, indicating that they are likely in or near his office where he has access to additional umbrellas.3、You will hear a short conversation between two friends. Listen carefully and choose the best answer to the question.Question: What are the speakers mainly discussing?A) A book they recently read.B) A movie they plan to watch.C) A new restaurant they want to try.D) A book they need to return.Answer: CExplanation: The conversation revolves around the friends discussing a new restaurant they are interested in trying, which indicates that option C is the correct answer. The other options are not mentioned in the conversation.4、Listen to a short passage about the importance of exercise. Answer the following question.Question: According to the speaker, what are some benefits of regular exercise?A) It helps improve memory and concentration.B) It can lead to weight loss and increased energy levels.C) It helps reduce stress and improve sleep quality.D) All of the above.Answer: DExplanation: The passage mentions that regular exercise can help improve memory and concentration, lead to weight loss and increased energy levels, as well as reduce stress an d improve sleep quality. Therefore, option D, “All of the above,” is the correct answer.5、You will hear a conversation between two friends discussing their weekend plans. Listen to the conversation and choose the activity that Tom plans to do on Saturday afternoon.A)Go to the moviesB)Visit a museumC)Play soccerAnswer: B) Visit a museumExplanation: In the conversation, Tom mentions he’s going to visit a museum with his family on Saturday afternoon because there’s a new exhibit that just opened up.6、Listen to a short dialogue about a woman asking for directions to the nearest bookstore. What direction does the man give her?A)Turn left at the traffic lights and walk straight for two blocks.B)Go right at the corner, then take the first left.C)Walk down the street and it’s on the right after the park.Answer: A) Turn left at the traffic lights and walk straight for two blocks.Explanation: The man in the dialogue clearly instructs the woman to turn left at the traffic lights and continue walking straight for two blocks to reach the bookstore.7、Listen to the conversation and answer the question.W: Have you heard about the new English language test that’s being introduced next year?M: Yes, I have. It’s supposed to be more challenging and focus on practical communication skills.Question: What are they discussing?A) A new English language testB) A new math testC) A new science courseD) A new cooking classAnswer: A) A new English language testExplanation: The conversation clearly indicates that they are talking about a new English language test, which is option A.8、Listen to the dialogue and complete the sentence with the correct word.M: I’m really looking forward to the trip to Paris next month.W: Really? What are you most excited about?M: Well, I love the art galleries and the history of the city.W: That’s great! By the way, what’s the first thing you plan to see?M: ___________.A)The Eiffel TowerB)The Louvre MuseumC)The Notre Dame CathedralD)The Champs-ÉlyséesAnswer: B) The Louvre MuseumExplanation: The listener can infer that the most excited thing about the trip is related to art galleries and history, which aligns with the Louvre Museum, making option B the correct answer.9、What does the man suggest the woman should do with her old computer?A. Sell it to someone else.B. Give it away to charity.C. Keep it as a backup.D. Throw it in the trash.Answer: B. Give it away to charity.Explanation: The man suggests that instead of throwing the old computer away, the woman could donate it to charity, where it might still be useful to someone who cannot afford a new one.10、How will the speakers go to the museum?A. By bus.B. By taxi.C. On foot.D. By subway.Answer: C. On foot.Explanation: In the conversation, the speakers discuss their options for transportation but ultimately agree that since the museum is not far from where they are, walking would be the most convenient and pleasant way to get there.11.You are listening to a conversation between two friends at a bookstore. Listen to the conversation and answer the question.Question: What does the woman want to buy?A) A new book for her class.B) A dictionary.C) A book about cooking.Answer: B) A dictionary.Explanation: The woman says, “I need a dictionary for my English class. Do you have any good ones?” This indicates that she wants to buy a dictionary.12.You are listening to a news report about a local festival. Listen to the report and answer the question.Question: When will the festival begin?A)Tomorrow at 10:00 AM.B)Next week on Saturday at 2:00 PM.C)This Saturday at 9:00 AM.Answer: A) Tomorrow at 10:00 AM.Explanation: The news report states, “The annual Spring Festival will kick off tomorrow morning at 10:00 AM, with a variety of cultural performances and activities.” This confirms that the festival will begin at 10:00 AM the nextday.13.You will hear a short conversation between two students discussing their weekend plans. Listen carefully and choose the best answer to the question that follows.Question: What does the girl plan to do this weekend?A) Visit a museum.B) Go shopping with her friends.C) Go hiking in the mountains.D) Stay at home and read a book.Answer: AExplanation: The girl mentions that she is planning to visit the art museum this weekend, which is why the correct answer is A) Visit a museum.14.You will hear a weather report for the next three days. Listen carefully and complete the following sentences with the correct information.Question: What is the weather forecast for tomorrow?A) Sunny with a high of 80°F.B) Cloudy with a chance of rain.C) Rainy with a high of 70°F.D) Windy with a low of 50°F.Answer: BExplanation: The weather forecast for tomorrow is described as cloudy with a chance of rain, making the correct answer B) Cloudy with a chance of rain.15.Listen to the conversation and answer the question.A: Hi, John. How was your weekend?B: Oh, it was great! I went hiking with my friends. We climbed up to the top of the mountain and had a picnic.Question: What did John do on his weekend?A) He studied for the exam.B) He went hiking with friends.C) He watched movies at home.Answer: B) He went hiking with friends.Explanation: In the conversation, John says, “I went hiking with my friends,” which indicates that he spent his weekend hiking with friends.16.Listen to the dialogue and complete the sentence.A: Have you ever been to New York City?B: Yes, I have. I visited it last summer. It’s a fascinating place, especially the Statue of Liberty.Question: What place did the person visit in New York City?A) Times SquareB) The Statue of LibertyC) Central ParkAnswer: B) The Statue of Liberty.Explanation: In the dialogue, the person says, “It’s a fascinating place, especially the Statue of Liberty,” which indicates that they visited the Statueof Liberty in New York City.17.You are listening to a conversation between two friends, Mark and Sarah, discussing their weekend plans.Question: What does Mark suggest doing for their weekend trip?A. Visiting a museumB. Going hikingC. Spending a day at the beachD. Having a picnic in the parkAnswer: B解析:Mark suggests going hiking because he mentions that he has always wanted to try hiking and that it would be a great way to explore the natural beauty of the area. The other options are not mentioned in the conversation.18.In this short dialogue, a customer is in a bookstore and is asking for help finding a book.Question: What is the customer looking for?A. A novel about romanceB. A guidebook for cookingC. A textbook for English language learningD. A history book about ancient civilizationsAnswer: C解析:The customer asks the bookstore employee if they have any English language textbooks, indicating that they are looking for a textbook for English languagelearning. The other options are not mentioned in the conversation.19.You hear a conversation between two friends at a coffee shop.A. What is the main topic of the conversation?1.The friend’s new job2.The coffee shop’s menu3.A recent movie they saw4.The weather forecastAnswer: 3Explanation: The conversation focuses on a recent movie that the two friends saw together, making option 3 the correct answer.20.You listen to a short interview with a local author.A. What is the author’s new book primarily about?1.Local history2.Cooking3.Gardening4.FitnessAnswer: 1Explanation: The author mentions that the book is a compilation of local historical stories and anecdotes, making option 1 the correct answer.二、阅读理解(30分)Title: The Impact of Technology on EducationReading Passage:Technology has revolutionized various aspects of our lives, and education is no exception. Over the past few decades, the integration of technology in classrooms has significantly transformed the way students learn and teachers teach. This passage discusses the impact of technology on education and its advantages and disadvantages.In recent years, schools have been increasingly adopting digital devices such as tablets, laptops, and interactive whiteboards. These devices have made learning more engaging and accessible to students. For instance, online resources and educational apps allow students to study at their own pace, making personalized learning possible. Additionally, teachers can now utilize multimedia content to explain complex concepts, making them easier to understand.However, the integration of technology in education also comes with its own set of challenges. One of the main concerns is the digital divide, where students from low-income families may not have access to the necessary devices and internet connectivity. This can create a significant gap in educational opportunities. Moreover, excessive use of technology can lead to distractions and reduced face-to-face interaction among students, which is essential for social and emotional development.Despite these challenges, the benefits of technology in education cannot be overlooked. It has the potential to bridge the gap between students andteachers, making education more inclusive and effective. With the right approach, technology can be a powerful tool for fostering creativity, critical thinking, and collaboration among students.Questions:1.What are two advantages of integrating technology in education mentioned in the passage?A. Increased face-to-face interaction and personalized learning opportunities.B. Enhanced engagement and accessibility to online resources.C. Improved social and emotional development and reduced distractions.D. Better understanding of complex concepts and increased digital divide.2.What is one of the main concerns associated with the use of technology in education?A. The potential to bridge the gap between students and teachers.B. The digital divide, where students from low-income families may not have access to necessary devices and internet connectivity.C. Excessive use of technology leading to reduced face-to-face interaction among students.D. The power of technology to foster creativity, critical thinking, and collaboration among students.3.According to the passage, what is the potential impact of technology in education when used correctly?A. Increased face-to-face interaction and personalized learningopportunities.B. The potential to create a significant gap in educational opportunities.C. Enhanced engagement and accessibility to online resources.D. The power to bridge the gap between students and teachers, making education more inclusive and effective.Answers:1.B. Enhanced engagement and accessibility to online resources.2.B. The digital divide, where students from low-income families may not have access to necessary devices and internet connectivity.3.D. The power to bridge the gap between students and teachers, making education more inclusive and effective.三、完型填空(15分)English Test Paper - Section 3: Cloze TestRead the following passage and choose the best word for each blank from the options given below.The internet has revolutionized the way we live, work, and communicate. It has made the world smaller and brought people together like never before. However, this technological marvel also brings with it certain challenges. One of the most significant challenges is the issue of [1].a)safetyb)privacyc)connectivityd)resourcese)efficiencyOnline privacy concerns have been on the rise, especially with the increasing amount of personal data being shared on social media platforms. Many individuals are worried about[2], which can lead to identity theft and other cybercrimes.a)surveillanceb)hackingc)data breachesd)misinformatione)virusesTo address these concerns, companies and governments have been implementing various [3] to protect user information.a)policiesb)encryptionc)regulationsd)surveillancee)programsDespite these measures, it is still crucial for individuals to be vigilant and take steps to secure their own [4].a)datab)accountsc)privacyd)informatione)identitiesOne of the simplest ways to protect your online privacy is to use strong [5].a)passwordsb)encryptionc)surveillanced)programse)policiesAnswer Key:1.b) privacy2.b) hacking3.a) policies4.a) data5.a) passwords四、语法填空题(本大题有10小题,每小题1分,共10分)1、(数字、)The boy,___________his name is Jack, is my best friend.A. whoseB. whoC. thatD. what答案:A解析:此处需要用关系代词来引导非限制性定语从句,表示所属关系,故选A。

江苏省2014届一轮复习数学试题选编13:等比数列及其前n项和(教师版)

江苏省2014届一轮复习数学试题选编13:等比数列及其前n项和(教师版)

江苏省2014届一轮复习数学试题选编13:等比数列及其前n 项和(教师版)填空题错误!未指定书签。

.(江苏省扬州市2013届高三上学期期中调研测试数学试题)已知等比数列{}n a 满足43713a a a a =⋅,则数列{}n a 的公比q =____.【答案】3错误!未指定书签。

.(江苏省苏南四校2013届高三12月月考试数学试题)设n S 是等比数列{}n a 的前n 项的和,若3620a a +=,则63S S 的值是___________. 【答案】12错误!未指定书签。

.(2013江苏高考数学)在正项等比数列}{n a 中,215=a ,376=+a a ,则满足n n a a a a a a 2121>+++的最大正整数n 的值为_____________.【答案】解析:本题主要考察等比数列的有关概念及性质.指数函数二次函数的单调性.猜想与证明等知识及推理论证能力. 由215=a ,及376=+a a 得方程组: ⎪⎩⎪⎨⎧=+=3)1(215141q q a q a 两式相除得:062=-+q q ,∴2=q (3-=q 舍)∴3211=a ∵n n a a a a a a 2121>+++∴)1(21111)1(-+++>--n nn q a qq a ∴2)10)(1(212-->-n n n ①∴n2>2)10)(1(212-->-n n n∴n2>2)10)(1(2--n n ②先通过②式利用函数xx f 2)(=大致确定n 的取值范围:∴2)10)(1(-->n n n ∴01132+-n n <0∴212913-<n <212913+又∵+∈N n 且12212113=+<212913+<13216913=+∴最大正整数n 的值为12 再通过①式利用函数12)(-=nn g 及2)10)(1(2)(--=n n n h 在区间[)+∞,6上是单调性说明最大正整数n的值为12 又∵2)1012)(112(12212-->- 1213-<2)1013)(113(2--且函数12)(-=nn g 及2)10)(1(2)(--=n n n h 在区间[)+∞,6上是单调增函数∴最大正整数n 的值为12错误!未指定书签。

江苏省南京市南京师范大学附属中学2023-2024学年高二下学期期中考试数学试卷

江苏省南京市南京师范大学附属中学2023-2024学年高二下学期期中考试数学试卷

有 1 件次品的抽法有
种.(请用具体数字作答)
13.已知圆 x2 + y2 - 2ax + a2 - 9 = 0 与圆 x2 + y2 = 4 相内切,则实数 a 的值为

( ) ( ) 14.已知存在实数 x,使得不等式 ex2+2 - tex 2 + t x2 - 2x + 2 - 2 ln t £ 0 成立,则实数 t 的取
B.12π 是 f (x) 的一个正周期 D. f (x) 在区间 (0,π) 上单调递增
11.如图,在矩形 ABCD 中, AB = 2 , BC = 4 ,M 是 AD 的中点,将VABM 沿着直线 BM
翻折得到△A1BM .记二面角 A1 - BM - C 的平面角为a ,当a 的值在区间 (0,π) 范围内变化 时,下列说法正确的有( )
【详解】令 f ( x) = ex - x ,则 f ¢( x) = ex -1, 令 f ¢( x) > 0 ,解得 x > 0 ,令 f ¢( x) < 0 ,解得 x < 0 , 所以 f ( x) 在(0, +¥ ) 上单调递增, (-¥ , 0) 上单调递减, 所以 f ( x) = ex - x ³ f (0) = 1 , ex - x ³ 1一定成立,故 A 不合题意;
【详解】根据题意可知, 复数1+ 2i 对应的向量绕原点 O 按逆时针方向旋转 90o 可得
( ) (1+ 2i) cos 90o + isin90o = i (1+ 2i) = i + 2i2 = -2 + i ,
即所得的向量对应的复数为 -2 + i . 故选:A 3.C

江苏南京2024年高二上学期期中调研测试物理试卷+答案

江苏南京2024年高二上学期期中调研测试物理试卷+答案

南京市2024-2025学年度第一学期期中学调研测试高二物理一、单项选择题:本题共11小题,每小题4分,共计44分.每小题只有一个....选项符合题意.1.“中国天眼”是世界最大的单口径射电望远镜,能接受来自宇宙深处的电磁波,帮助人类探索宇宙。

下列关于电磁波的说法正确的是()A.变化的磁场产生电场,变化的电场产生磁场B.不同电磁波在真空中传播速度不同C.电磁波不能在水中传播D.微波炉加热食物是利用了红外线的热效应2.某同学在探究感应电流产生的条件时,进行了如图所示的实验。

下面几种情况中,线圈B中没有感应电流产生的是()A.开关闭合或开关断开的瞬间B.开关闭合稳定后,快速移动滑动变阻器滑片C.开关闭合稳定后,将线圈A从线圈B中拔出D.开关断开状态下,将线圈A从线圈B中拔出3.下列关于静电现象的说法不正确...的是()A.图甲中,当摇动起电机,烟雾缭绕的塑料瓶顿时变得清澈透明,利用了静电吸附的原理B.图乙中,优质话筒线的外层包裹着金属编织层,利用了静电屏蔽的原理C.图丙中,在加油站给汽车加油前触摸一下手形静电释放器,利用了感应起电的原理D.图丁中,燃气灶电子点火器的放电电极是针尖形,利用了尖端放电的原理4.某同学将两个相同的灵敏电流表G分别改装成一个电流表和一个电压表,如图甲、乙所示,则下列说法正确的是()A.甲表是电压表,R 减小时量程减小B.甲表是电流表,R 减小时量程增大C.乙表是电流表,R 增大时量程增大D.乙表是电压表,R 增大时量程减小5.如图所示,带正电的金属球C 放在绝缘支架上,置于铁架台旁,把系在绝缘细线上带正电的铝箔小球a 挂在P 点下方,小球a 静止时细线与竖直方向的夹角为θ。

若用一个与球C 完全相同的不带电的金属球D 触碰一下球C ,移走球D 后小球a 再次静止时( )A.球C 所带的电荷量变为原来的一半B.细线上的拉力大小变为原来的一半C.细线与竖直方向的夹角θ变为原来的一半D.球C 与小球a 之间的静电力大小变为原来的一半6.如图甲所示为科研人员使用透射电子显微镜观察生物样品的情景,电子显微镜利用电场控制电子运动,镜中电场的电场线分布如图乙所示,虚线为一个电子在此电场中运动的轨迹,若电子从A 运动到B ,则此运动过程中( )A. A 点的电场强度比B 点的电场强度大B.电子在B 点的加速度比在A 点的加速度大C.电子的电势能不断增大D.电子受到的电场力的功率越来越小7.如图所示,某实验小组用如图甲所示的装置做“验证动量守恒定律”的实验。

2023-2024学年江苏省南京市高二上学期期中英语质量检测模拟试题(含解析)

2023-2024学年江苏省南京市高二上学期期中英语质量检测模拟试题(含解析)

2023-2024学年江苏省南京市高二上学期期中英语质量检测模拟试题第一部分听力(共两节,满分30分)做题时,先将答案标在试卷上。

录音内容结束后,你将有两分钟的时间将试卷上的答案转涂到答题卡上。

第一节(共5小题;每小题1.5分,满分7.5分)听下面5段对话。

每段对话后有一个小题,从题中所给的A、B.C三个选项中选出最佳选项。

听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

例:How much is the shirt?A.£19.15.B.£9.18.C.£9.15.答案是C.1.What will Linda do?A.Drive to the supermarket.B.Buy things for the man.C.Lend the man her car.2.What makes the man unwilling to attend the party?A.A rude friend.B.A late invitation.C.His father’s presence.3.What are the speakers talking about?A.A subway trip.B.A former workmate.C.A new project.4.Where does the conversation probably take place?A.At a school.B.In a shop.C.In a car museum.S.When did the man first meet his wife?A.20years ago.B.21years ago.C.22years ago.第二节(共15小题;每小题1.5分,满分22.5分)听下面5段对话或独白。

每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项。

江苏省一轮复习数学试题选编:概率学生 含答案

江苏省一轮复习数学试题选编:概率学生 含答案

江苏省2014届一轮复习数学试题选编27:概率(学生版)填空题1 .(南京市、盐城市2013届高三年级第一次模拟考试数学试题)袋中装有2个红球, 2个白球, 除颜色外其余均相同, 现从中任意摸出2个小球, 则摸出的两球颜色不同的概率为 .2 .(江苏省徐州市2013届高三考前模拟数学试题)在集合{|,1,2,,10}6n M x x n π===中任取一个元素,所取元素恰好满足方程1cos 2x =的概率是________. 3 .(南京市、淮安市2013届高三第二次模拟考试数学试卷)盒子中有大小相同的3只白球、2只黑球,若从中随机地摸出两只球,则两只球颜色相同的概率是______.4 .(江苏省盐城市2013届高三年级第二次模拟考试数学试卷)现有在外观上没有区别的5件产品,其中3件合格,2件不合格,从中任意抽检2件,则一件合格,另一件不合格的概率为________.5 .(2011年高考(江苏卷))从1,2,3,4这四个数中一次随机取两个数,则其中一个数是另一个的两倍的概率是______6 .(常州市2013届高三教学期末调研测试数学试题)已知某拍卖行组织拍卖的10幅名画中,有2幅是膺品.某人在这次拍卖中随机买入了一幅画,则此人买入的这幅画是膺品的事件的概率为______.7 .(2012年江苏理)现有10个数,它们能构成一个以1为首项,3-为公比的等比数列,若从这10个数中随机抽取一个数,则它小于8的概率是____.8 .(苏州市2012-2013学年度第一学期高三期末考试数学试卷)有5个数成公差不为零的等差数列,这5个数的和为15,若从这5个数中随机抽取一个数,则它小于3的概率是_______.9 .(江苏省连云港市2013届高三上学期摸底考试(数学)(选修物理))在4次独立重复试验中,随机事件A 恰好发生l 次的概率不大于其恰好发生两次的概率,则事件A 在一次试验中发生的概率p 的取值范围是___________________.10.(徐州、宿迁市2013届高三年级第三次模拟考试数学试卷)已知数字发生器每次等可能地输出数字1或2中的一个数字,则连续输出的4个数字之和能被3整除的概率是___.11.(2009高考(江苏))现有5根竹竿,它们的长度(单位:m )分别为2.5,2.6,2.7,2.8,2.9,若从中一次随机抽取2根竹竿,则它们的长度恰好相差0.3m 的概率为___★___.12.(江苏省泰州市2012-2013学年度第一学期期末考试高三数学试题)如图,ABCD 是4⨯5的方格纸,向此四边形ABCD 内抛撒一粒豆子,则豆子恰好落在阴影部分内的概率为_______________13.(江苏省苏锡常镇四市2013届高三教学情况调研(一)数学试题)正四面体的四个面上分别写有数字0,1,2,3,把两个这样的四面体抛在桌面上,则露在外面的6个数字恰好是2,0,1,3,0,3的概率为________.14.(江苏省徐州市2013届高三上学期模底考试数学试题)在大小相同的4个小球中,2个是红球,2个是白球,若从中随机抽取2个球,则所抽取的球中至少有一个红球的概率是________.15.(江苏省泰州、南通、扬州、宿迁、淮安五市2013届高三第三次调研测试数学试卷)从集合{}1 2 3 4 5 6 7 8 9,,,,,,,,中任取两个不同的数,则其中一个数恰是另一个数的3倍的概率为______.16.(江苏省连云港市2013届高三上学期摸底考试(数学)(选修物理))已知一组抛物线2y ax bx c =++,其中a 为1、3、5、7中任取的一个数,b 为2、4、6、8中任取的一个数,从这些抛物线中任意抽取两条,它们在与直线12x =交点处的切线相互平行的概率是_________________.17.(江苏省苏南四校2013届高三12月月考试数学试题)一个质地均匀的正四面体(侧棱长与底面边长相等的正三棱锥)骰子四个面上分别标有1,2,3,4这四个数字,抛掷这颗正四面体骰子,观察抛掷后能看到的数字.若连续抛掷两次,两次朝下面上的数字之积大于6的概率是______.18.(2013江苏高考数学)现在某类病毒记作n m Y X ,其中正整数m ,n (7≤m ,9≤n )可以任意选取,则n m ,都取到奇数的概率为____________.19.(苏北三市(徐州、淮安、宿迁)2013届高三第二次调研考试数学试卷)从0,1,2,3这四个数字中一次随机取两个数字,若用这两个数字组成无重复数字的两位数,则所得两位数为偶数的概率是_____.20.(江苏省2013届高三高考压轴数学试题)从集合{-1,1,2,3}中随机选取一个数记为m,从集合{-1,1,2}中随机选取一个数记为n,则方程22x ym n+=1表示双曲线的概率为________.21.(江苏省扬州市2013届高三下学期5月考前适应性考试数学(理)试题)已知某一组数据8,9,11,12,x,若这组数据的平均数为10,则其方差为______.若以连续掷两次骰子得到的点数nm,分别作为点P的横、纵坐标,则点P在直线4x y+=上的概率为______.22.(连云港市2012-2013学年度第一学期高三期末考试数学试卷)在数字1、2、3、4四个数中,任取两个不同的数,其和大于积的概率是___.23.(江苏省淮安市2013届高三上学期第一次调研测试数学试题)连续抛掷一个骰子(一种各面上分别标有1,2,3,4,5,6个点的正方体玩具)两次,则出现向上点数之和大于9的概率是___________.24.(江苏省南京市四区县2013届高三12月联考数学试题)若将一颗质地均匀的骰子(一种各面上分别标有1,2,3,4,5,6个点的正方体玩具),先后抛掷两次,则出现向上的点数之和为6的概率是____25.(江苏省盐城市2013届高三10月摸底考试数学试题)已知甲、乙、丙三人在3天节日中值班,每人值班1天,那么甲排在乙前面值班的概率是________.26.(江苏省徐州市2013届高三期中模拟数学试题)在闭区间 [-1,1]上任取两个实数,则它们的和不大于1的概率是_______________.27.(江苏省南京市2013届高三9月学情调研试题(数学)WORD版)有3个兴趣小组,甲、乙两位同学各参加其中一个小组,且他们参加各个兴趣小组是等可能的,则甲、乙两位同学参加同一个兴趣小组的概率为_______.28.(苏州市第一中学2013届高三“三模”数学试卷及解答)有一个容量为66的样本,数据的分组[1.5,3.5)[3.5,5.5)[5.5,7.5)[7.5,9.5)[9.5,11.5)频数 6 14 16 20 10 根据样本的频率分布估计,数据落在[5.5,9.5)的概率约是________.29.(扬州市2012-2013学年度第一学期期末检测高三数学试题)先后抛掷两枚均匀的正方体骰子(它们的六个面分别标有点数1、2、3、4、5、6),骰子朝上的面的点数分别为x,y,则x y 2=的概率为_____.30.(2013江苏高考数学)抽样统计甲、乙两位设计运动员的5此训练成绩(单位:环),结果如下:31.(江苏省2013届高三高考模拟卷(二)(数学) )在一个袋子中装有分别标注数字1,2,3,4的四个小球,这些小球除标注的数字外完全相同.现从中随机取出2个小球,则取出的小球标注的数字之和为5的概率是_______.32.(2012-2013学年度苏锡常镇四市高三教学情况调研(二)数学试题)在不等式组031y x x y x ⎧⎪≤⎪<≤⎨⎪⎪>⎩所表示的平面区域内所有的格点(横、纵坐标均为整数的点称为格点)中任取3个点,则该3点恰能成为一个三角形的三个顶点的概率为______.33.(江苏省南通市、泰州市、扬州市、宿迁市2013届高三第二次调研(3月)测试数学试题)设数列{a n }满足:()()*3118220()n n n n a a a a a n ++=---=∈N ,,则a 1的值大于20的概率为 ▲ .34.(2010年高考(江苏))盒子中有大小相同的3只小球,1只黑球,若从中随机地摸出两只球,两只球颜色不同的概率是____35.(南京市、盐城市2013届高三第三次模拟考试数学试卷)在一个盒子中有分别标有数字1,2,3,4,5的5张卡片,现从中一次取出2张卡片,则取到的卡片上的数字之积为偶数的概率是________.36.(苏北老四所县中2013届高三新学期调研考试)当A ,B ∈{1,2,3}时,在构成的不同直线Ax -By =0中,任取一条,其倾斜角小于45︒的概率是___________37.(江苏省无锡市2013届高三上学期期中考试数学试题)某学校有两个食堂,甲,乙,丙三名学生各自随机选择其中的一个食堂用餐,则他们在同一个食堂用餐的概率为___________.解答题38.(2010年高考(江苏))某厂生产甲、乙两种产品,生产甲产品一等品80%,二等品20%;生产乙产品,一等品90%,二等品10%.生产一件甲产品,如果是一等品可获利4万元,若是二等品则要亏损1万元;生产一件乙产品,如果是一等品可获利6万元,若是二等品则要亏损2万元.设生产各种产品相互独立(1)记x(单位:万元)为生产1件甲产品和件乙产品可获得的总利润,求x 的分布列 (2)求生产4件甲产品所获得的利润不少于10万元的概率39.(2012年江苏理)设ξ为随机变量,从棱长为1的正方体的12条棱中任取两条,当两条棱相交时,0ξ=;当两条棱平行时,ξ的值为两条棱之间的距离;当两条棱异面时,1ξ=. (1)求概率(0)P ξ=;(2)求ξ的分布列,并求其数学期望()E ξ.40.(江苏省苏锡常镇四市2013届高三教学情况调研(一)数学试题)(1)山水城市镇江有“三山”——金山、焦山、北固山,一位游客游览这三个景点的概率都是0.5,且该游客是否游览这三个景点相互独立,用ξ表示这位游客游览的景点数和没有游览的景点数差的绝对值,求ξ的分布列和数学期望;(2)某城市有n (n 为奇数,3n ≥)个景点,一位游客游览每个景点的概率都是0.5,且该游客是否游览这n 个景点相互独立,用ξ表示这位游客游览的景点数和没有游览的景点数差的绝对值,求ξ的分布列和数学期望.41.(苏北老四所县中2013届高三新学期调研考试)如图,已知面积为1的正三角形ABC 三边的中点分别为D 、E 、F ,从A ,B,C,D ,E ,F 六个点中任取三个不同的点,所构成的三角形的面积为X (三点共线时,规定X=0)(1)求1()2P X ≥;(2)求E (X )42.(苏州市2012-2013学年度第一学期高三期末考试数学试卷)设10件同类型的零件中有2CB件不合格品,从所有零件中依次不放回地取出3件,以X表示取出的3件中不合格品的件数.(1)求“第一次取得正品且第二次取得次品”的概率;E X.(2)求X的概率分布和数学期望()43.(江苏省南京市2013届高三9月学情调研试题(数学)WORD版)在一个盒子中有大小一样的7个球,球上分别标有数字1,1,2,2,2,3,3.现从盒子中同时摸出3个球,设随机变量X为摸出的3个球上的数字和.(1)求概率P(X≥7);(2)求X的概率分布列,并求其数学期望E(X).2013届高三学情调研卷44.(江苏省扬州市2013届高三下学期5月考前适应性考试数学(理)试题)某高校设计了一个实验学科的实验考查方案:考生从6道备选题中一次性随机抽取3题,按照题目要求独立完成全部实验操作.规定:至少正确完成其中2题的便可提交通过.已知6道备选题中考生甲有4道题能正确完成,2道题不能完成.(1)求出甲考生正确完成题数的概率分布列,并计算数学期望; (2)若考生乙每题正确完成的概率都是23,且每题正确完成与否互不影响.试从至少正确完成2题的概率分析比较两位考生的实验操作能力.45.(江苏省无锡市2013届高三上学期期末考试数学试卷)某银行的一个营业窗口可办理四类业务,假设顾客办理业务所需的时间互相独立,且都是整数分钟,经统计以往100位顾客办理业务所需的时间(t),结果如下:注:银行工作人员在办理两项业务时的间隔时间忽略不计,并将频率视为概率. (Ⅰ)求银行工作人员恰好在第6分钟开始办理第三位顾客的业务的概率;(Ⅱ)用X 表示至第4分钟末已办理完业务的顾客人数,求X 的分布列及数学期望.46.(2009高考(江苏))对于正整数n ≥2,用n T 表示关于x 的一元二次方程220xax b ++=有实数根的有序数组(,)a b 的组数,其中{},1,2,,a b n ∈(a 和b 可以相等);对于随机选取的{},1,2,,a b n ∈(a 和b 可以相等),记n P 为关于x 的一元二次方程220x ax b ++=有实数根的概率。

2024学年江苏省南京市高二上学期期中考数学试题及答案

2024学年江苏省南京市高二上学期期中考数学试题及答案

南京市2023-2024学年度第一学期期中调研测试高二数学2023.11注意事项:1.本试卷共6页,包括单项选择题(第1题~第8题)、多项选择题(第9题~第12题)、填空题(第13题~第16题)、解答题(第17题~第22题)四部分.本试卷满分为150分,考试时间为120分钟.2.答卷前,考生务必将自己的学校、姓名、考生号填涂在答题卡上指定的位置.3.回答选择题时,选出每小题答案后,用2B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指定位置,在其他位置作答一律无效.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.某工厂生产A,B,C三种不同型号的产品,它们的产量之比为2:3:5,用分层抽样的方法抽取一个容量为n的样本.若样本中A型号的产品有20件,则样本容量n为A.50B.80C.100D.2002.已知复数z0=3+i,其中i为虚数单位,复数z满足zz0=3z+z0,则z=A.1-3i B.1+3i C.3+i D.3-i 3.已知圆C1:x2+y2-x-ay=0与圆C2:x2+y2-2x-4y+2=0的公共弦所在直线与x轴垂直,则实数a的值为A.-4 B.-2 C.2 D.4 4.《数书九章》天池测雨:今州郡都有天池盆,以测雨水.但知以盆中之水为得雨之数.不知器形不同,则受雨多少亦异,未可以所测,便为平地得雨之数,即平地降雨量等于盆中积水体积除以盆口面积.假令器形为圆台,盆口径(直径)一尺四寸,底径(直径)六寸、深一尺二寸,接雨水深六寸(一尺等于十寸),则平地降雨量为A.1 B.2 C.3 D.45.已知cos x+sin x=23,则sin2xcos(x-\f(π,4))=A.-716B.-726C.-76D.-736.在平面直角坐标系xOy中,已知双曲线C:x2a2-y2b2=1(a>0,b>0)的左、右焦点分别为F1,F 2,A 为双曲线右支上一点,连接AF 1交y 轴于点B .若△ABF 2为等边三角形,则双曲线C 的离心率为A .23B .32C .3D .3327.在平面直角坐标系xOy 中,P 为直线3x +4y +1=0上一点.若向量a =(3,4),则向量OP→在向量a 上的投影向量为A .-15B .(-35,-45)C .(-325,-425)D .无法确定8.已知函数f (x )=sin(ωx +φ)(ω>0).若 x ∈R ,f (x )≤f (π3),且f (x )在(0,π)上恰有1个零点,则实数ω的取值范围为A .(0,32]B .(34,32]C .(34,94]D .(32,94]二、选择题:本题共4小题,每小题5分,共20分.在每小题给出的选项中,有多项符合题目要求.全部选对的得5分,部分选对的得2分,有选错的得0分.9.某研究小组依次记录下10天的观测值:26,28,22,24,22,78,32,26,20,22,则A .众数是22B .80百分位数是28C .平均数是30D .前4个数据的方差比最后4个数据的方差小10.声音是由物体的振动产生的声波,一个声音可以是纯音或复合音,复合音由纯音合成,纯音的函数解析式为y =A sin ωx .设声音的函数为φ(x ),音的响度与φ(x )的最大值有关,最大值越大,响度越大;音调与φ(x )的最小正周期有关,最小正周期越大声音越低沉.假设复合音甲的函数解析式是f (x )=sin x +12sin2x ,纯音乙的函数解析式是g (x )=32sin ωx (ω>0),则下列说法正确的有A .纯音乙的响度与ω无关B .纯音乙的音调与ω无关C .若复合音甲的音调比纯音乙的音调低沉,则ω>1D .复合音甲的响度与纯音乙的响度一样大11.在平面直角坐标系xOy 中,抛物线C :y 2=4x 的焦点为F ,A (x 1,y 1),B (x 2,y 2),D (x 3,y 3)为抛物线C 上的任意三点(异于O 点),FA → +FB → +FD →=0,则下列说法正确的有A .设A ,B 到直线x =-1的距离分别为d 1,d 2,则d 1+d 2<AB B .FA +FB +FD =6C .若FA ⊥FB ,则FD =ABD .若直线AB ,AD ,BD 的斜率分别为k AB ,k AD ,k BD ,则1k AB +1k AD +1k BD =012.在长方体ABCD −A 1B 1C 1D 1中,AB =8,AD =6,点E 是正方形BCC 1B 1内部或边界上异于点C 的一点,则下列说法正确的有A .若D 1E ∥平面ABB 1A 1,则E ∈C 1CB .设直线D 1E 与平面BCC 1B 1所成角的最小值为θ,则tan θ=223C .存在E ∈BB 1,使得∠D 1EC >π2D .若∠D 1EC =π2,则EB 的最小值为35-3三、填空题:本题共4小题,每小题5分,共20分.13.在平面直角坐标系xOy 中,已知点M (2,3)和N (4,0),点Q 在x 轴上.若直线MQ 与直线MN 的夹角为90°,则点Q 的坐标为▲________.14.在△ABC 中,AB =36,∠ABC =45°,∠BAC =75°,D 是射线BC 上一点,且CD =10,则AD =▲________.15.某商场为了促销,每天会在上午和下午各举办一场演出活动,两场演出活动相互独立.每个时段演出的概率分别如下:若某顾客打算第二天11:00抵达商场并逛3.5小时后离开,则他当天能观看到演出的概率为▲________.16.已知向量a =(1,3),b =(1,0),|a -c |=12,则向量b ,c 最大夹角的余弦值为▲________.上午演出时段9:00-9:3010:00-10:3011:00-11:30下午演出时段14:00-14:3015:00-15:3016:00-16:30相应的概率161213四、解答题:本题共6小题,共70分.解答应写出文字说明、证明过程或演算步骤.17.(本小题满分10分)已知函数f(x)=sin x cos x-sin2x+t(x∈R)的最大值为2 2.(1)求f(x)的解析式;(2)若 x∈[π12,π2],f(x)-m≤0,求实数m的最小值.18.(本小题满分12分)在平面直角坐标系xOy中,已知圆C的圆心在l:x-2y=0上,且圆C与x轴相切,直线l1:x-ay=0(a∈R),D(6,0).(1)若直线l1与圆C相切,求a的值;(2)若直线l1与圆C相交于A,B两点,将圆C分成的两段弧的弧长之比为1∶3,且DA=DB,求圆C的方程.19.(本小题满分12分)如图,一个质地均匀的正二十面体骰子的各面上标有数字0~9这10个数字(相对的两个面上的数字相同),抛掷这个骰子,并记录下朝上一面(与地面或桌面平行)的数字.记事件A1为“抛两次,两次记录的数字之和大于16”,记事件A2为“抛两次,两次记录的数字之和为奇数”,事件A3为“抛两次,第一次记录的数字为奇数”.(1)求P(A1),P(A2);(2)判断事件A1A2与事件A3是否相互独立,并说明理由.20.(本小题满分12分)在△ABC 中,a ,b ,c 分别为角A ,B ,C 所对的边,AB → ·AC →=b 2-12ab .(1)求角C 的大小;(2)若△ABC 的面积为32,且CM → =2MB → ,AN → =3NM → ,求|CN →|的最小值.21.(本小题满分12分)如图,在所有棱长都等于1的三棱柱ABC -A 1B 1C 1中,∠ABB 1=π2,∠B 1BC =π3.(1)证明:A 1C 1⊥B 1C ;(2)求直线BC 与平面ABB 1A 1所成角的大小.22.(本小题满分12分)在平面直角坐标系xOy 中,已知椭圆C :x 2a 2+y 2b 2=1(a >b >0)的左、右焦点分别为F 1,F 2,且焦距为23,椭圆C 的上顶点为B ,且BF 1→ ·BF 2→=-2.(1)求椭圆C 的方程;(2)若直线l 过点A (2,-1),且与椭圆C 交于M ,N 两点(不与B 重合),直线BM 与直线BN 分别交直线x =4于P ,Q 两点.判断是否存在定点G ,使得点P ,Q 关于点G 对称,并说明理由.(第21题图)南京市2023-2024学年度第一学期期中学情调研测试高二数学参考答案 2023.11一、选择题:本大题共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,请把答案填涂在答题卡相应位置上. 1.C2.A 3.D 4.B 5.D6.C7.C 8.B二、选择题:本大题共4小题,每小题5分,共20分.在每小题给出的四个选项中,有多项符合题目要求,请把答案填涂在答题卡相应位置上.全部选对得5分,部分选对得2分,不选或有错选的得0分. 9.ACD10.AC11.BCD12.ABD三、填空题:本大题共4小题,每小题5分,共20分.请把答案填写在答题卡相应位置上. 13.(12,0)14.1415.4916.15-38四、解答题:本大题共6小题,共70分.请在答题卡指定区域内作答,解答时应写出必要的文字说明,证明过程或演算步骤.17.(本小题满分10分)解:(1)f (x )=sin x cos x -sin 2x +t =12sin2x -1-cos2x2+t ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙2分=12sin2x +12cos2x -12+t =22sin(2x +π4)-12+t .∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙4分因为f (x )的最大值为22,所以22-12+t =22,解得t =12,所以f (x )=22sin(2x +π4).∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙6分(2)由(1)可知f (x )=22sin(2x +π4),当x ∈[π12,π2]时,5π12≤2x +π4≤5π4,当2x +π4=π2时,即x =π8时,f (x )max =22.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙8分因为f (x )-m ≤0恒成立,所以m ≥f (x )max 恒成立,即m ≥22恒成立,因此m 的最小值为22.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙10分18.(本小题满分12分)解:(1)因为圆心C 在直线l 上,可设C (2m ,m ),m ≠0.因为圆C 与x 轴相切,所以r =|m |.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙2分又因为直线l 1与圆C 相切,所以|m |=|2m -am |a 2+1.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙4分因为m ≠0,解得a =34.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙5分(2)因为A ,B 把圆C 分成的两段弧长之比为1∶3,所以弦AB 所对劣弧圆心角为2π×14=π2,∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙6分所以圆心C 到l 1的距离d 等于圆C 半径的22倍,即22|m |=|2m -am |a 2+1,由(1)得m ≠0,解得a =1或a =7. ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙8分又因为DA =DB ,所以AB 的垂直平分线经过D (6,0)和圆心C (2m ,m ),所以m2m -6=-a ,∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙10分所以,当a =1时,m =2,圆C 方程为(x -4)2+(y -2)2=4,当a =7时,m =145,圆C 方程为(x -285)2+(y -145)2=19625.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙12分19.(本小题满分12分)解:若用(i ,j )表示第一次抛掷骰子数字为i ,用j 表示第二次抛掷骰子数字为j ,则样本空间Ω={(i ,j )|0≤i ≤9,0≤j ≤9,i ,j ∈Z },共有100种等可能的样本点. ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙1分(1)A 1={(8,9),(9,8),(9,9)},∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙2分所以P (A 1)=3100.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙4分因为 A 2={(0,1),(0,3)…(9,8)}共有50个样本点,所以P (A 2)=50100=12.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙6分(2)因为A 1A 2={(8,9),(9,8)},所以P (A 1A 2)=2100=150.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙8分因为A 3={(1,0),(1,1)…(9,9)},共有50个样本点,所以P (A 3)=50100=12.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙9分因为A 1A 2A 3={(9,8)},所以P (A 1A 2A 3)=1100.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙10分因为P (A 1A 2)P (A 3)=150×12=P (A 1A 2A 3),所以事件A 1A 2与事件A 3独立.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙12分20.(本小题满分12分)解:(1)方法1因为AB → ·AC → =b 2-12ab ,所以bc cos A =b 2-12ab .∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙2分由余弦定理得bc ×b 2+c 2-a 22bc =b 2-12ab ,化简得b 2+a 2-c 22ab =12,所以cos C =12.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙4分因为C 为△ABC 内角,所以C =π3.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙5分方法2因为AB → ·AC →=b 2-12ab ,所以bc cos A =b 2-12ab .∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙2分由正弦定理得sin B sin C cos A =sin 2B -12sin A sin B .因为B 为△ABC 内角,所以sin B ≠0,所以sin C cos A =sin B -12sin A .因为A +B +C =π,所以sin C cos A =sin(A +C )-12sin A ,即sin C cos A =sin A cos C +cos A sin C -12sin A ,化简得sin A cos C =12sin A .因为A 为△ABC 内角,所以sin A ≠0,所以cos C =12.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙4分因为C 为△ABC 内角,所以C =π3.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙5分(2)因为S △ABC =12ab sin C =32,所以ab =2.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙6分因为CM → =2MB → ,AN → =3NM → ,所以CN → =CA → +AN → =CA → +34AM → =CA → +34(CM →-CA → )=14CA → +34CM → =14CA → +12CB →,∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙8分从而|C N → |2=(14CA → +12CB → )2=116b 2+14a 2+14CA → ·CB→=116b 2+14a 2+14∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙10分≥2116b 2×14a 2+14=34.当且仅当116b 2=14a 2,即a =1,b =2时取等号.所以|C N →|的最小值为32.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙12分21.(本小题满分12分)(1)证明:连接AB 1,在△ABB 1中,∠ABB 1=π2,AB =BB 1=1,所以AB 1=2,在△BCB 1中,∠B 1BC =π3,BC =BB 1=1,所以B 1C =1,所以在△ACB 1中,AB 1=2,B 1C =1,AC =1,所以AB 12=AC 2+B 1C 2,所以AC ⊥B 1C .∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙2分又因为在三棱柱ABC -A 1B 1C 1中,AC ∥A 1C 1,所以A 1C 1⊥B 1C .∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙4分(2)方法1解:连接AB 1,A 1B ,交于点O ,连接BC 1,连接CO .在边长都为1的正方形A 1ABB 1中,O 是AB 1的中点,又因为B 1C =AC =1,所以CO ⊥AB 1. ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙6分因为四边形B 1BCC 1边长都为1,所以B 1C ⊥BC 1.由(1)知B 1C ⊥A 1C 1.又因为A 1C 1∩BC 1=C 1,A 1C 1,BC 1⊂平面A 1BC 1,所以B 1C ⊥平面A 1BC 1.因为A 1B ⊂平面A 1BC 1,所以B 1C ⊥A 1B .因为在边长都为1的四边形A 1ABB 1中,A 1B ⊥AB 1.又因为AB 1∩B 1C =B 1,AB 1,B 1C ⊂平面AB 1C ,所以A 1B ⊥平面AB 1C .因为CO ⊂平面AB 1C ,所以CO ⊥A 1B . ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙8分又因为A 1B ∩AB 1=O ,A 1B ,AB 1⊂平面A 1ABB 1,所以CO ⊥平面A 1ABB 1,所以∠CBO 即为直线BC 与平面ABB 1A 1所成的角. ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙10分在边长都为1的四边形A 1ABB 1中,∠ABB 1=π2,所以BO =22.因为BC =1,所以cos ∠CBO =22,所以∠CBO =π4,所以直线BC 与平面ABB 1A 1所成角的大小为π4. ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙12分方法2解:取AB 1中点O ,连接BO ,CO .在△ACB 1中,AC =B 1C =1,所以CO ⊥AB 1, ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙6分在边长都为1的正方形A 1ABB 1中,BO =22,A 1B =2.又因为AC 2+B 1C 2=A 1B 2,所以△ACB 1为直角三角形,所以CO =22.在△ACB 1中,CO 2+BO 2=BC 2,所以CO ⊥BO .…………………………………………8分又因为AB 1∩BO =O ,AB 1,BO 平面A 1ABB 1,所以CO ⊥平面A 1ABB 1,所以∠CBO 即为直线BC 与平面ABB 1A 1所成的角.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙10分在边长都为1的四边形A 1ABB 1中,∠ABB 1=π2,所以BO =22.因为BC =1,所以cos ∠CBO =22,所以∠CBO =π4,所以直线BC 与平面ABB 1A 1所成角的大小为π4.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙12分22.(本小题满分12分)解:(1)因为BF 1→ =(-3,-b ),BF 2→=(3,-b ),所以BF 1→ ·BF 2→=b 2-3=-2,所以b 2=1.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙2分因为c =3,所以a 2=4,所以椭圆C 的方程为x 24+y 2=1.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙4分(2)设直线MN 的方程为y =k (x -2)-1,M (x 1,y 1),N (x 2,y 2),联立{x 2+4y 2=4,y =k (x -2)-1,消去y 得,(1+4k 2)x 2-8k (1+2k )x +16k 2+16k =0,所以x 1+x 2=8k (1+2k )1+4k 2,x 1x 2=16k 2+16k 1+4k 2,∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙6分直线BM 的方程为y =y 1-1x 1x +1,直线BN 的方程为y =y 2-1x 2x +1,设P ,Q 两点的纵坐标分别为y P ,y Q ,所以y P =4×y 1-1x 1+1,y Q =4×y 2-1x 2+1.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙8分因为y P +y Q =4×(y 2-1x 2+y 1-1x 1)+2=4×[k (x 2-2)-2x 2+k (x 1-2)-2x 1]+2=4×(2k -2k +2x 2-2k +2x 1)+2=4×[2k -(2k +2)x 1+x 2x 1x 2]+2∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙10分=4×[2k -(2k +2)8k (1+2k )16(k +k 2)]+2=4×[2k -(2k +1)]+2=-2,所以y P +y Q 2=-1,所以存在G (4,-1),使得点P ,Q 关于点G 对称.∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙12分。

南京市2014高二历史二轮复习教研活动讲座资料 专题二 资本主义世界市场的形成和发展与世界经济的全球化素材

南京市2014高二历史二轮复习教研活动讲座资料 专题二 资本主义世界市场的形成和发展与世界经济的全球化素材

专题二:资本主义世界市场的形成和发展与世界经济的全球化1、走向世界的资本主义市场(1)新航路的开辟――开辟的背景、迪亚士和哥仑布开辟的航线及其影响、新航路开辟的影响(2)西方列强的殖民掠夺和殖民扩张――英国的殖民扩张史实、英国殖民霸权确立的原因、过程、殖民扩张对世界市场形成的影响(3)第一次工业革命及其影响(蒸汽的力量)――工业革命的前提条件、重大发明、影响(4)第二次工业革命及其影响(走向整体的世界)――前提条件、主要成就、影响、垄断组织的出现2、当今世界经济的全球化趋势(1)二战后资本主义世界经济体系的形成――布雷顿森林体系、关贸总协定、国际货币基金组织、世界银行的建立。

美国为主导的资本主义世界体系的形成(2)当今世界经济区域集团化的发展――欧盟形成的原因、形成和扩大的基本过程及其影响、北美自由贸易区和亚太经济合作组织建立和发展史实、亚太国家的合作途径和方式(3)经济全球化的世界――世贸组织的由来和发展、世贸组织的作用;中国加入世贸组织的概况、影响和作用;经济全球化进程中的问题和应对对策。

辟的背景、影响;两次工业革命的影响;资本主义世界市场的初步形成;垄断组织的出现。

三要全面理解一种观点:西方殖民扩张的影响。

2、要注意弄清楚本专题涉及的有关概念。

例如:价格革命、商业革命、垄断与垄断组织、殖民主义、工业革命等,考生要明确其内涵与外延。

3、新航路开辟一课与地理知识联系密切,建议复习时运用绘图、读图的方法,加深理解和记忆;注意把握历史问题的必然性和偶然性的关系,比如,新航路的开辟是历史的必然,是资本主义发展的客观要求。

4、用历史比较法比较学习两次工业革命,充分认识科学技术是第一生产力的道理。

5、从世界市场的形成和发展这一角度,理解新航路的开辟、殖民扩张、工业革命之间的关系,形成整体认识。

6、复习时注意关注同一时期的中国历史,把中国放在世界历史的大环境中思考,有助于形成历史的整体思维,更容易理解同一时期中国出现的现象与世界历史之间的关系。

2013年江苏省南京市中考化学试卷(含答案和详细解析)

2013年江苏省南京市中考化学试卷(含答案和详细解析)

2013年南京市初中毕业生学业考试化学全卷满分80分,考试时间为100分钟。

可能用到的相对原子质量:H-1 C-12 N-14 0-16 S-32 C1- 35.5一、选择题(本题共15小题,每小题只有一个选项符合题意。

每小题1分,共15分)1.下列变化中,发生了化学变化的是A.酒精挥发B.石蜡熔化C.水的电解D.干冰升华2.下列物质能在空气中燃烧,且产生大量白烟的是A.木炭B.甲烷C.硫粉D.红磷3.氦气中氦元素的化合价为A. +1 B.0 C.-2 D.-14.下列图示实验操作中,正确的是5.下列物质由原子构成的是A.蒸馏水B.氯化钠C.金刚石D.C606.下列物质不是人体所需营养素的是A.水B.油脂C.铅D.维生素7.下列物质加入一定量的水中,能使液体温度明显降低的是A.硝酸铵B.氢氧化钠C.生石灰D.氯化钠8.下列化肥中,属于钾肥的是A.硝酸钠B.氯化钾C.碳酸氢铵D.磷酸二氢铵9.下列是人体几种体液的正常pH范围,其中呈酸性的是A.胰液7.5~8.0 B.胆汁7.1 ~7.3C.血浆7.35~7.45 D.胃液0.9 ~1.510.用化学知识解释成语“火上浇油”的说法中合理的是A.增加可燃物,可以使燃烧更旺B.增大氧气的密度,可以使燃烧更旺C.清除可燃物,达到灭火的目的D.降低可燃物的着火点,达到灭火的目的11.2013年“世界水日”的宣传主题是“水合作”。

下列有关水的说法中不正确的是A.水是一种最常用的溶剂B.鉴别软水和硬水可以用肥皂水C.农药、化肥的不合理施用,会造成水体污染D.自然界中的水经过沉淀、过滤、吸附后即可得到纯水12在元素周期表中汞元素的某些信息如图所示,下列有关汞的说法正确的是A.元素符号为HgB.属于非金属元素C.原子核内中子数为80D.相对原子质量是200.6g13. 2014年南京青奥会吉祥物“砳砳”如图所示。

有一种“砳砳”的外用材料是纯羊毛线,内充物为涤纶。

下列说法中不正确的是A.羊毛属于天然纤维B.涤纶属于天然纤维C.羊毛主要成分为蛋白质D.燃烧方法来区分羊毛和涤纶14.下列各组离子在水中一定能大量共存的是A. Na+、H+、HC03-B. Na+、Ca2+、CO32-C.K+、N03-、H+D.H+、CI-、OH -15.在密闭容器中有甲、乙、丙、丁四种物质,在一定条件下充分反应,测得反应前后各物质的质量分数如下图所示:下列说法正确的是A.丙可能是单质B.在该反应中丁一定没有参加化学反应C.该反应是化合反应D.甲和乙的质量之和一定等于生成丙的质量二、选择题(本题共5小题,每小题有一个或二..............个选项符合题意。

2023-2024学年江苏省南京市高二下学期期中英语试卷

2023-2024学年江苏省南京市高二下学期期中英语试卷

2023-2024学年江苏省南京市高二下学期期中英语试卷From a multi-day hike following the routes of a Japanese poet, to a classic climb in the Argentinian Lake District, there are thousands of incredible trails (小路) that allow us to get up close to nature.Appalachian Trail, United StatesExtending for 2,200 miles, the Appalachian Trail is listed as the longest hiking-only footpath in the world. It runs from Springier Mountain in Georgia to Mount Katahdin in Maine, passing through some of the most remote country in the United States. That means it’s a hard task, either for those with endless vacation allowance, or walkers looking to do a small piece of a classic route.The Basho Wayfarer, JapanThis self-guided trip follows a route taken by the poet Matsuo Basho over 300 years ago. The six-day hike starts in Sendai and works its way through the northern Tohoku region, passing through the UNESCO World Heritage (遗产)Site of Hiraizumi and along the ancient Dewa Kaido path. With its beech and cherry forests, it finishes at the temple of Yamadera.Mount Toubkal, MoroccoThe path upwards rises from the village of Imlil, passing over a dry river bed before rising sharply through a temple and on towards a large mountain cottage. After overnight here, hikers set off up the snowfield to the peak, where the Atlas Mountains open out and the views are breathtaking. A local guide and muleteers for carrying luggage are a must.The Dingle Way, IrelandIt is a ring-like path th at offers the best way to get under the skin of wild County Kerry in Ireland’s south west. Starting in the town of Tralee, the clockwise path follows narrow roads, taking in the wide sweep of sand at Inch Strand, passing along the clifftops outside Dingle town and heading around the edge of Mount Brardon, the highest peak on the Dingle Peninsula.1. What do we know about the Basho Wayfarer?A.It offers no guide service. B.It was built by a poet.C.It ends in the northern Tohoku region. D.It is on the world heritage list.2. Where can hikers enjoy a good view of snow?A.Appalachian Trail. B.The Basho Wayfarer.C.Mount Toubkal. D.The Dingle Way.3. What is special about the Dingle Way?A.It follows a circle path. B.It is the longest in the world.C.It finishes at Mount Brandon. D.It reaches the highest peak in Ireland.Anthony Doerr’s new bestseller, All the Light We Cannot See, holds special appeal for me. That’s how I would describe it. From the poetic language, to the realization of what the tile actually means: that underneath the surface of history, there is light that has not been seen, and stories that have gone untold.I’m going to be honest-love for this book didn’t hit me straight away. In fact, my first attempt to read it last month ended with me putting it aside and going to find something easier, lighter and less descriptive to read. But this book is built on beautiful imagery. Both in the literal sense-the physical world of 1940s Paris and Germany, and the metaphorical (隐喻性的)sense-scientific and philosophical references to light, to seeing and not seeing, and the differences between the two. It’s a beautiful work of genius, but it does get a little complicated at times.However, when we get into the meat of this World War II novel, it’s also an upsetting story of a childhood torn apart by war. It’s about Parisian Marie Laure who has been blind since she was six, and a German orphan called Werner who finds himself at the center of the Hitler Youth. Both of their stories are told with sensitivity and sympathy, each one forced down a path by their personal circumstances and by that destructive monster-war.I think this is the kind of book you will never appreciate if you stop too soon-I learned that lesson. From the first to last page, there is a theme of invisible lines running parallel (平行的)to one another and sometimes, just sometimes, crossing in the strangest way. These two lives we are introduced to seem to be worlds apart, and yet they come together and influence one another. It was this, more than the predictably awful tale of war, that made me feel quite emotional.4. What does the writer think of the book?A.Light and easy to read.B.Rich in philosophical ideas.C.Fascinating but too descriptive.D.Too complicated for its theme.5. What can we learn about Marie Laure and Werner?A.The war leads to their sensitivity.B.They know each other at an early age.C.The Hitler Youth pushes them to grow.D.They both have a miserable childhood.6. What particularly stirred the writer’s emot ions?A.The book’s dramatic ending.B.The book’s beautiful imagery.C.The characters’ interconnected destiny.D.The suffering brought by World War II.7. What is the purpose of this text?A.To share the writer’s feelings of a book.B.To recommend a delightful bestseller.C.To tell readers a heartbreaking story.D.To analyze the structure of a book.Did you know that the custom of turning our clocks an hour ahead during the year first originated in World War I? By making the days “longer” , the goal was for households to conserve electricity and other forms of energy like fuel. Recently, the US Senate passed the Sunshine Protection Act. The bill must also go through the House of Representatives before it can be signed by the President. If passed, Daylight SavingTime(DST) could become the permanent system of the time.Although the specific dates of the time change differ, many countries around the world observe a biannual system of the time. From mid-March to November in the US, most states practice DST by turning the time forward by an hour from the Standard Time(ST), the local time observed in an area.Though the original purpose of DST was to encourage the conservation of energy, multiple studies suggest that the time shift has not made a significant impact on saving energy costs. While less money is spent on electricity, costs are still likely to rise with the usage of devices such as air conditioners and computers. Research conducted by the American Academy of Sleep Medicine has shown that DST time changes lead to a greater risk of car crashes.According to researchers, ST is much more closely related to the body’s circadian rhythm(昼夜节律) which regulates our organs as well as our sleep-wake cycle. By permanently living in DST, children would have to get up and be in school long before the sun rises—which could be 9 am in Seattle and other western states!Proponents argue that because DST maximizes daylight, it encourages safety by lowering crime rates and reducing seasonal depression. DST provides more waking time to enjoy with families and friends, or even to get more work done.The bill is certainly a hot topic of discussion, but one thing is for sure: everyone is in favor of getting rid of the biannual time switch.8. What do we know about DST according to researchers?A.It can make schools start late.B.It helps improve people’s sleeping quality.C.It increases the possibility of traffic accidents.D.It can reduce the usage of electronic devices.9. What does the underlined word “proponents” in Paragraph 5 refer to?A.People who are in favor of DST.B.People who are efficient in workingC.People who have seasonal depression.D.People who enjoy the company of friends.10. What is the author’s attitude towards the biannual time switch?A.Positive. B.Neutral.C.Unclear. D.Negative.11. What is the best title for the text?A.The influence of ST B.The significance of STC.The debate about DST D.The histroy of DSTAt its annual general assembly in Vienna last month, the European Geosciences Union (EGU) did something unusual. The chair of its awards committee, Thomas Blunier, presented a breakdown, by gender, of prize nominees (被提名者) and nominators (提名者) since 2014. The data were revealing. Although women make up 37% of the society’s members, they made just 20% of nominations suggesting that women are less likely to nominate than men. The data also showed that people tend to favour their own gender when making nominations-with men most likely to nominate other men.This is clearly a problem, but awareness of the situation opens the door to fixing it. Although women are still under-represented in EGU nominations, their share of awards is now approaching their representation among EGU members, thanks to corrective measures taken by the organization? s awards committee. The EGU is distinct from most other scientific societies that do not make nomination data public, though it is necessary for the fairness among prizewinners.Some other efforts are under way to make prizes fairer. In mathematics, for example, the International Mathematical Union has introduced guidelines to make nominators and award-committee members aware of unconscious bias. Many prize nomination forms now include statements encouraging nominators to consider diversity. The committees that award Nobel prizes have told Nature that they are attempting to increase diversity in nominees and that the proportion of women nominated is rising.Prize-givers need to widen their nomination pools. In 2019, Nature suggested that award organizers might cast their nets wider when seeking nominations by approaching networks that include academies of science in low and middle-income countries. This is still not happening on the scale that it needs to.Sadly, these measures will not make science prizes match global diversity, at least not straight away. Many prizes are based on work carried out decades ago, when the barriers to entering science were even higher than they are today for people from under-represented groups and countries. At the very least, professional societies must ensure that their nomination pools are representatives of their communities. Greater transparency and a wider, more diverse pool of nominees increase the chance of awards rewarding excellence, rather than enlarging existing networks of fame.12. What is the purpose of showing the data from the EGU?A.To show the gender balance among its members.B.To encourage females to nominate other females.C.To reflect that women have been ignored in awards.D.To reveal the significant impact from gender awareness.13. What efforts have been made to promote the fairness among the prizewinners?A.Publicizing the nomination data.B.Widening the application pools by nominees.C.Introducing guidelines on increasing diversity.D.Casting the nets wider when seeking nominations.14. What does the author hold in the last paragraph?A.Existing nomination pools are not transparent.B.Professional societies must make a difference.C.The barriers to entering science will not be higher.D.Science has kept up with the global trend of diversity.15. Which of the following might be the best title for this text?A.European Geosciences Union: An Nontraditional ModelB.Diversity in Science Prizes: Why is Progress So Slow?C.Progress in Science: Nomination Shows Justice for AllD.The Way to Gender Diversity: Difficult, Delicate but DestinedIt’s always exciting to begin a new job. But among the frenzy (激动) of meeting new colleagues, starting new projects, and building new skills, there can be a stressful pressure to succeed. A big part of your success is determined by how quickly you are able to digest lots of information, which can be very hard. 16 .* Manage yourselfWhen you notice information overload, don’t ignore it and don’t panic. Say to yourself, “I’m in a new job and there is plenty to learn here. It’s okay to feel this way.” 17 . Remember that emotions can help you better understand yourself and your values.* Sort your information18 . It keeps what it needs more immediately in our short-term memory, and it mixes together information we may need to use in the future to store in our long-term memory. For the information that’s not needed, our brain acts like a garbage management, recycling, and deleting it.* 19Organizations often have digital knowledge management systems to store and take important information. You can do the same to reduce brain burden. I recommend creating a Word or Google document in which you write down information that your brain doesn’t need to remember or store.* Reduce task-switchingMulti-tasking isn’t good for you physically or mentally and is worse for your productivity and cognition (认知). 20 . You can go for longer than that, but be sure to take a break. Focused activity is less taxing than multitasking, but you can’t keep working endlessly.My daughter loved dancing until she didn’t love it. After an _________ first year, I noticed her interest fading week by week. Then one day, she slowly walked to me before class and asked if she could just _________ it.My first reaction was to advise her to “finish what you start”. _________, sticking with something difficult can teach perseverance, discipline and confidence. But watching my first grader _________ herself into each ballet position, I started to question how much _________ that “blanket advice” made. Is it really in my kid’s best _________, or even practical, to make her stick to every commitment through until she reaches a bitter end? What if there are different but _________ valuable qualities, which can be gained by _________ the things that are not right for her.After a few days’ consideration, she decided dance wasn’t for her — a choice I _________. Quitting is never a black and white issue. Sometimes, it means __________ a barrier in your way to love something else. In my daughter’s case, ending dance made space for her new hobbies, such as horseback riding and Girl Scouts. She’s into them for now, but it is okay if that __________ changes.As adults, we are accustomed to __________ the power of saying yes, but what about saying no? The ability to recognize when something isn’t an __________ investment of our time or energy is also important. As my daughter gets older, I want her to feel confident to __________ something that’s no longer meeting her needs. She shouldn’t be held back by the thought that she must finish something at any cost __________ because she has started.21.A.depressing B.independent C.unbearable D.enthusiastic 22.A.make B.join C.skip D.try23.A.In addition B.At most C.After all D.By contrast 24.A.addict B.expose C.enjoy D.drag25.A.time B.sense C.energy D.pity26.A.honor B.help C.interest D.behavior 27.A.hardly B.equally C.partly D.seemingly 28.A.letting go of B.fixing up C.making up for D.looking up 29.A.suspected B.required C.supported D.regretted 30.A.tolerating B.crossing C.challenging D.clearing 31.A.even B.still C.once D.yet32.A.stressing B.experiencing C.warning D.ignoring 33.A.appropriate B.unfair C.extra D.informal 34.A.decorate B.abandon C.treasure D.practise 35.A.slightly B.roughly C.nearly D.merely36. The boy was brave only to help the police to capture two __________ (罪犯). (根据汉语提示单词拼写)37. They went to the big cities to make their __________ (财富). (根据汉语提示单词拼写)38. Activities all take place under the ___________(指导) of an experienced tutor. (根据汉语提示单词拼写)39. “We can look at and learn from Steve Jobs what the essence of American innovation is,” says John Kao, an innovation __________ (顾问) to corporations and governments. (根据汉语提示单词拼写)40. Shut your eyes and try to imagine a beautiful, white cloud_________(温柔地) touching our faces.(根据汉语提示单词拼写)41. Steve and I were at very different stages in our _________ (各自的) careers. (根据汉语提示单词拼写)42. You are not allowed to build anything without first obtaining the a__________of the local authority.(根据首字母单词拼写)43. The n__________ between the two companies was intense, but they were finally able to reach a mutually beneficial agreement. (根据首字母单词拼写)44. Not everyone agrees to the plan. Some support it, while I am one of those who are o __________ to it. But I won’t change my mind. (根据首字母单词拼写)45. We’ve have been working hard to overcome p_________against women i n politics. (根据首字母单词拼写)阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

江苏省南京市2024-2025学年高二上学期10月期中考试数学试题(无答案)

江苏省南京市2024-2025学年高二上学期10月期中考试数学试题(无答案)

2024年高二年级上期中模拟测(数学)(时间:120分钟 满分:150分)命题人: 审卷人: 2024年10月28日一、单项选择题: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.若复数满足(为虚数单位),则的模( )A .B .1C D .52.设,,若点在线段上,则的取值范围是( )A .B .C .D .3.已知直线在轴、轴上的截距相等,则直线与直线间的距离为( )A .BCD .04.已知向量,,,满足,,,,则在方向上的投影向量为( )AB .CD .5.在中,角,,所对的边分别是,,,已知,,当取得最小值时,最大内角的余弦值是()A .B .C .D .6.如图,太阳灶是一种将太阳光反射至一点用来加热水或食物的设备,上面装有抛物面形的反光镜,镜的轴截面是抛物线的一部分,已知太阳灶的口径(直径)为,深度为,则该抛物线顶点到焦点的距离为( )z ()13i 3i z -=-i z z =35()2,3A-()1,2B (),P x y AB 1y x +[]2,3-()2,3-][(),23,-∞-+∞ ()(),23,-∞-+∞ ()1:2400l mx y m m +--=>x y 1l 2:3310l x y +-=a b c 1a = 2b = 3c = ,,3a b a b c π=+= a b + c 143c 76c ABC A B C a b c 2b =()cos2cos 1cos B B A C +=--2a c +ABC 12-4m 0.5mA .B .C .D .7.已知直线,圆,若直线上存在两点,,圆上存在点,使得,且,则的取值范围是( )A .B .C .D .8.如图,双曲线的左右焦点分别为、,过的直线与该双曲线的两支分别交于、两点(在线段上),圆与圆分别为与的内切圆,其半径分别为、,则的取值范围是:( ).A .B .C .D .二、多项选择题:本题共3小题,每小题6分,共18分。

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语文试题一、语言文字运用1.下列词语中加点的字,每对读音都相同的一组是(3分)A.占据./倨.傲咳.嗽/瞌.睡虫鞭笞./嗤.之以鼻B.扉.页/绯.红莘.莘/西洋参.猝.然/一蹴.而就C.羁縻./糜.烂咯.血/卡.脖子丰硕./数.见不鲜D.牛犊./渎.职忏.悔/颤.巍巍古刹./叱咤.风云1. 下列词语中,字形和加点字的注音全部正确的一组是(3分)()A.精萃临界点悭.吝(qiān)戛.然而止(gá)B. 报道绊脚石圭臬.(niè)着.手成春(zhuó)C. 微博爆发力炽.热(zhì)临深履薄.(bó)D. 震撼流水帐联袂.(mèi) 别出机杼.(zhù)1.下列词语中加点的字,读音全都正确的一组是( )A.惬.意(qiâ)静谧.(bì)伊甸.园(diàn) 惊鸿一瞥.(piē)B.乘.势(chãnɡ) 戏谑.(xuâ)可塑.性(suî) 跬.步千里(kuǐ)C.佳肴.(yáo)苋.菜(xiàn)瞭.望哨(liào) 独辟蹊.径(xī)D.篆.刻(zhuàn)黝.黑(yǒu)口头禅.(chán) 力能扛.鼎(kánɡ)2.下列词语中,错别字最多.....的一项是()A.钟爱风靡传种接代要言不烦流言飞语B.殉情矫健迫不及待别出新裁仗义直言C.发韧揣摸洁白无暇随声附和一愁莫展D.针灸隽永明辩是非关怀备至焕然冰释2.下列词语中,没有错别字的一组是( )A.松驰回溯卫戍皇天后土B.辨认影牒荣膺残羹冷炙C.豆蔻聘礼修葺金壁辉煌D.城阙编纂恻隐亭亭玉立2.下列各句加点的成语使用恰当的一句是(3分)A.这份报告详实地列举了我国10年来所取得的成果,平铺直叙....,毫不夸饰,厚重而大气,客观而准确,读来令人叹服。

B.今天表彰大会上,主持人请一位劳动模范介绍自己的事迹,这位劳模却出言无状....,脸憋得通红,只说了一句话:“其实很多同事干得比我更好。

”C.在文学创作中,很多已经形成共识的基本理念和原则是不可随意逾越、颠覆的,墨.守成规...和突破创新相结合才是正确的创作态度。

D.淅沥的秋雨湿透了他的衣服,画出了他瘦削凸起的胛骨,他双手交叉护在胸前,可没有用,仍然颤抖着,噤若寒蝉....。

3.阅读下面的这段文字,用一句话概括其主要内容。

(不超过20字)(4分)国家统计局江苏调查总队近日发布全省和南京市CPI指数。

3月江苏CPI同比上涨1.5%,比上月回落0.6个百分点,创下近40个月以来的新低。

南京CPI比全省水平略高,同比上涨1.6%,比2月下降了0.2个百分点。

烟酒价格的下跌成为拉低CPI涨幅的最主要原因。

烟酒价格从2月到3月持续走低,相关人士分析认为,这主要是受限制公款消费政策的影响,全社会提倡勤俭节约,导致烟酒的消费下滑,直接带来了价格的走低。

4.2013年2月,一位名叫梁齐齐的游客在故宫文物一口大铜缸上刻下了“梁齐齐到此一游”的文字,被人拍照并上传到微博。

梁齐齐立刻引来众多网友的辱骂,并被“人肉搜索”,甚至有网友说“梁齐齐,故宫喊你回家剁手”。

请对梁齐齐或网友说一段话,表明你的看法。

要求观点鲜明、用语得体,至少使用一种修辞手法。

(不超过30字)(5分)二、文言文阅读(19分)阅读下面的文言文,完成5~8题。

赵康靖公神道碑苏轼公讳既,字叔平。

七岁而孤,笃学自力。

年十七举进士。

当时闻人刘筠、戚纶、黄宗旦皆称其文词必显.于时,而其器识宏远,皆自以为不及。

天圣五年,擢进士第三人,授将作监丞,通判海州。

归见父老故人,幅巾徒步,人人至其家。

召试学士院,出知涟水。

公为进士时,邓馀庆守涟水,馆公于官舍,以教其子。

馀庆所为多不法,公谢.去。

数月,馀庆以赃败。

及公为守,将至,或榜其所馆曰豹隐堂,赋者三十余人。

岁饥,公劝诱富民,得米万石,所活不可胜数。

出知洪州,属吏有郑陶、饶奭者,挟持郡事,肆为不法,前守莫能制。

州有归化兵,皆故盗贼配流已而选充者。

奭与郡人胡顺之共造飞语以动公,曰:“归化兵得廪米陈恶,有怨言,不更给善米,且有变。

”公笑不答。

会归化卒有自容州戍所逃还犯夜者,公即斩以徇.,收陶下狱,得其奸赃,且奏徙奭歙州,一郡股栗。

知滁州,山东大贼李小二过境上,告人曰:“我东人也。

公尝为青州,东人爱之如父母,我不忍犯。

”遂寇庐、寿,犬牙不入境。

李参为河北转运使,职事办治,进秩二等,且官其一子。

郭申锡为谏官,争之曰:“参职事所当办,无功,不可赏。

”上怒,欲罪申锡。

公言:“陛下始面谕申锡,毋面从.吾过。

今黜之,何以示天下?”乃止。

英宗即位,迁户部侍郎,又迁吏部。

熙宁初,迁左丞,公年七十矣,求去位,不许。

章数上,乃以为观文殿学士、吏部尚书、知徐州。

遂请老不已,以太子少师致仕。

六年正月十五日薨,享年八十八。

公为人乐易深中注,恢然伟人也。

平生与人,实无所怨怒,非特不形于色而已。

专务扬善掩恶,以德报怨,出于至诚,非勉强者。

天下称之,至于敦尚契旧,葬死养孤,盖不可胜数。

(选自《苏轼文集》,有删改)注:乐,和睦快乐;易,平易近人;深中,城府深。

5.对下列句子中加点词的解释,不正确...的一项是(3分)A.皆称其文词必显.于时显:显扬B.馀庆所为多不法,公谢.去谢:告诫C.公即斩以徇.徇:对众宣示D.毋面从.吾过从:通“纵”,放过6.下列句子中,全都表现赵公为人“乐易”的一组是(3分)①七岁而孤,笃学自力②幅巾徒步,人人至其家③公笑不答④东人爱之如父母,我不忍犯⑤遂请老不已⑥敦尚契旧,葬死养孤A.①③⑤B.②④⑤C.①③⑥D.②④⑥7.下列对原文有关内容的概括和分析,不正确...的一项是(3分)A.赵公曾当过涟水太守邓馀庆的家庭教师,他发现邓馀庆做了很多不守法纪的事就及早离开了,后来有人在他当年教书的地方挂上匾额为“豹隐堂”,意含称赞。

B.赵公到地方做洪州知州,属下有两小吏叫郑陶、饶奭,他们把持着郡里的事务,肆意做一些不守法纪的事情,前任知州不能管制他们,后来赵公惩治了他们。

C.赵公担任滁州知州,山东的大盗李小二路过滁州却没有进犯,原因是李小二是山东人,而赵公曾在山东青州做知州时有恩于他,被他当父母一样敬重。

D.赵公专心致力于宣扬别人的好处,讳言别人的过错,用恩惠去回报别人的仇怨,这些都是发自内心最真诚的心意,不是勉强做的。

8.把文中画线的句子翻译成现代汉语。

(10分)(1) 而其器识宏远,皆自以为不及。

(3分)(2) 公劝诱富民,得米万石,所活不可胜数。

(3分)(3) 平生与人,实无所怨怒,非特不形于色而已。

(4分)(4)传曰“其身正,不令而行;其身不正,虽令不从”其李将军之谓也?(5)知我不羞小节而耻功名不显于天下也。

三、古诗词鉴赏(10分)9.阅读下面这首词,然后回答问题。

木兰花韦庄独上小楼春欲暮,愁望玉关芳草路。

消息断,不逢人,却敛细眉归绣户。

坐看落花空叹息,罗袂湿斑红泪滴。

千山万水不曾行,魂梦欲教何处觅。

(1)词中一、二两句有何作用?(3分)(2)词中刻画了一位什么样的主人公形象?请简要分析。

(3分)(3)“千山万水不曾行,魂梦欲教何处觅”两句,俞陛云在《五代词选释》中称之为“情至之语”,请作具体分析。

(4分)四、名句名篇默写(8分)10. 补写出下列名句名篇中的空缺部分。

(1) 故《易》曰:____________,差以千里。

(《太史公自序》)(2),__________ __,吾不如子房。

_________ ___,抚百姓, ____________,吾不如萧何。

(《高祖本纪》)(3)谚曰"桃李不言, ____________ .(《李将军列传》)(4) ____________,衣食足而知荣辱。

(《管仲列传》)(5),。

其志洁,其行廉, __________ __,。

(《屈原列传》)(6) 垓下歌:,。

骓不逝兮可奈何,虞兮虞兮奈若何!”(7)孔子曰:"君子固穷,____________.(《孔子世家》)(8)有志者,事竟成。

____________,____________ .苦心人,天不负。

____________, ____________.(蒲松龄)五、现代文阅读:文学类文本(20分)阅读下面的文章,完成11~14题。

缸中日月张金刚①缸,或泥或陶,或大或小,或精致或粗糙,或年轻或老迈,皆如农家一员,静坐屋里屋外,角角落落。

承载着农人的辛勤与汗水,存储着季节的收获与更迭,与数辈几代相伴日月,见证千滋百味的岁月流年。

②不知是何材质煅烧,是何工艺打造,何时陆续进家,缸,就这样融入农家,参与着琐碎的烟火生活。

缸,无言,却如睿智的老者,用或空洞或殷满的肚量激励着农人的干劲,过出火红的日子;缸,无声,却如魔术般神奇,占气候之天时,与时间交挚友,融调料入食物,发酵、腌制出醇厚的美味,积淀成舌尖上的故乡。

③缸,堪称农家的脸面;撩开缸,便可知家况。

新脱粒的小麦、玉米、芝麻、谷类,刚下场再上房,晾晒风干,绽放一片金黄。

满满地盛入簸箕,扬高、倾倒,但闻“刷”的一声延音,粒粒粮食如疾雨般欢快地滑入缸底;接续,慢慢堆积;留在簸箕里的顽皮颗粒,跳跃、滚动,拨动着喜悦的心弦。

④一家人,欢聚忙乱,片刻间,丰收的粮食,盛满了大缸小缸,冒着尖儿;用手抹平、轧实,盖上盖子,便储下了一年的收获、来年的希望。

取粮时,打开缸盖,一股粮食的清香扑面而来,心中荡起自足的涟漪。

串门的乡亲,习惯望望别人家粮缸的大小、多少,或者干脆揭盖观瞧,咂舌夸赞一番,主人家自是喜笑颜开。

⑤母亲攒下的生鸡蛋,洗净、控干;将盐、花椒、大料放入水中,熬煮、晾凉;取小缸清冼、抹净、晾干。

将鸡蛋整齐码入缸内,灌入盐水,没顶,盖盖儿;只待腌过时日,捞出煮食。

腌制越久,味道越美;略带臭味,越品越香。

煮熟的咸鸡蛋,用水拔凉,敲开剥食;或纵切两片,用筷挑食。

蛋清细腻滑润,蛋黄鲜艳流油,或泛青呈黑,滋味悠长,令人回味。

时常受缸内腌鸡蛋的牵引,回到老家,亲近那口缸;母亲总会颤巍巍捞出,煮好,给我带上,那滋味铭心一生。

⑥秋末冬初,大小缸集中亮相。

罢园的黄瓜、豇豆、辣椒、韭菜、番茄,精切细作,佐以配料,分别腌制在缸缸罐罐中,打造出五彩缤纷的精制小咸菜,清新爽脆、风味独特,成为食粥、吃肉、卷饼的绝配。

最隆重的当属腌萝卜、制泡菜。

将成堆的新鲜萝卜洗净、晾干,分层码入大缸、撒上块盐即可;芥菜、洋芋、胡萝卜、大白菜、卷心菜等随意搭配,精心调味即成。

菜在缸中奇妙地发酵成酸爽利口的腌泡菜,丰富了农家一年的餐桌。

⑦杀年猪,腌腊肉,好似过年的序曲。

方块五花肉、条状排骨肉,大锅煮好;糖色着色,沸油炸烧,裹上细盐,盛于缸内,灌上猪油;腌制的腊肉,美味喷香,随时可炒、烩、炖食。

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