资源简介 九年级化学期中考试试卷一、选择题(每题只有一个答案,共15题,每题1分)1、日常生活中下列做法属于化学变化的是 ( )A.给自行车打气 B.苹果腐烂 C. 蔗糖溶解 D.用砂纸去铁皮表面的铁锈2、下列物质的用途中,所利用的性质与另外三种有本质区别的是 ( )A.氧气用于医疗急救 B.二氧化碳用于灭火C.稀有气体可以做霓虹灯 D.氢气用作火箭、宇宙飞船的燃料3、下列图示的实验基本操作正确的是 ( )4、日常生活常接触到“含氟牙膏”、“高钙牛奶”、“碘盐”、“富硒茶叶”、“加铁酱油”等用品,这里的氟、钙、碘、硒、铁指的是 ( )A.单质 B.原子 C.离子 D.元素5、下列实验现象描述正确的是 ( )A.磷在氧气中燃烧,有大量白雾产生B.木炭在氧气中燃烧,发出白光,产生大量的白烟C.铁丝在氧气中燃烧,火焰呈蓝色并有黑色固体生成D.硫在氧气中燃烧,发出明亮的蓝紫色火焰,并生成有刺激性气味的气体6、下列粒子的结构示意图中,表示阴离子的是 ( )7、下列物质中存在着氧分子的是 ( )A.空气 B.二氧化碳 C.纯净水 D.高锰酸钾8、下列会造成水资源浪费的是 ( )A.用口杯接水刷牙 B.为了节约时间,一两件衣服就用洗衣机洗 C.工业用水重复利用或循环利用 D.改漫灌为喷灌、淋灌或滴灌9、2011年3月,日本强烈地震后,海啸引发福岛第一核电站的放射性物质外泄,有关l31 I(碘131)的相关报道成为热门话题。已知l31 I原子中含有53个质子,78个中子。自然界中普遍存在另一种稳定的碘原子l27I,它和131I同属于碘元素。下列说法正确的是 ( )A.l31 I原子的核外电子数为78 B.l27I原子的质子数为53C.l27I原子的中子数为78 D.l27I原子的相对原子质量为13110、化学课上,老师让同学们举一个“缓慢氧化”的例子,大家积极发言,有下列不同的答案,其中不正确的一项是 ( )A.铁丝生锈 B.食物的腐烂 C.酒和醋的酿造 D.蜡烛的燃烧11、下列关于水的电解说法错误的是 ( )A、电解水时在正极产生氧气B、正极产生的气体与负极产生的气体体积比为2:1C、点燃氢气前,要检验氢气的纯度,听到尖锐的爆鸣声证明氢气不纯D、电解水产生氢气和氧气,说明水是由氢元素和氧元素组成的12、科学家发现在特殊条件下,水能表现出许多有趣的结构和性质。常温常压下给水施加一个弱电场,水能结成冰,俗称“热冰”(见模拟图)。下列说法正确的是 ( ) A.水结成“热冰”的过程中原子个数发生变化B.上述变化过程中分子间隔没有发生变化C.在弱电场下,热冰中的分子停止运动D.利用该性质,人们在常温常压下可建成溜冰场13、推理是一种重要的学习方法。下列推理中正确的是 ( )A、物质与氧气发生的反应都是氧化反应,则氧化反应一定要有氧气参加B、单质是由一种元素组成的物质,则由一种元素组成的物质一定是单质C、分子、原子都是不带电的微粒,但不带电的微粒不一定都是分子、原子D、二氧化碳气体能使燃着的小木条火焰熄灭,则能使火焰熄灭的气体一定是二氧化碳14、地沟油中含有一种强烈致癌物黄曲霉素B2(C17H14O6),长期食用会引起消化道癌变。下列关于黄曲霉素B2的说法正确的是 ( )A、黄曲霉素B2是由碳、氢、氧元素组成的 B、黄曲霉素B2中氧元素的质量分数最大C、黄曲霉素B2由17个碳原子、14个氢原子和6个氧原子构成D、黄曲霉素B2中碳元素、氢元素和氧元素的质量比是17:14:615、如图所示为某化学反应的微观示意图,其中“○”和“●”表示两种不同元素的原子。下列说法不正确的是 ( ) A.是两种单质反应生成一种化合物 B.可表示氢气和氧气的反应C.反应前后原子种类没有发生变化D.反应前后元素化合价发生了变化二、填空题(共5题,每空1分,共35分)16、(8分)(1)用适当的数字和符号填空:①n个二氧化碳分子 ;②3个硫酸根离子 ;③氧化铁中铁显+3价 ;④氯气在化学变化中最小粒子_________;(2)现有Na、Cl、N、H、O五种元素,请选用其中的元素写出符合下列要求的物质各一个(用化学式表示):①空气中体积分数为78%的气体是 ;②一切生物体内含量最多的物质是 ;③厨房间的一种调味品,且由离子构成的物质的是 ;④海水中含量最多的金属元素形成的氧化物是 ;17、(5分)写出下列反应的文字表达式,并标明基本反应类型(1)铁丝在氧气中燃烧 ( );(2)加热高锰酸钾制氧气 ( );(3)高温下碳与氧化铜反应生成铜和二氧化碳 。18、(5分)实验室制取气体常用到下列装置,根据给出的装置回答下列问题:(1)写出标号仪器的名称:① ;(2)若选择高锰酸钾制取并收集较纯净的氧气,则应选择装置组合 (填字母);(3)用F装置收集氧气,验满的方法是 ;(4)若用F装置充满水来收集氧气,气体应从 (填a或b)端通入;(5)实验室常用锌粒(块状固体)与稀硫酸(无色液体)反应制取氢气,根据上述信息可知实验室制取氢气的收集装置是 (填字母)。19、(7分)小刚收集到一瓶浑浊的长江水,他利用如下流程来净化水,最终制成蒸馏水。请回答以下问题。(1)A物质的名称是 ,操作①的名称是 ,该操作需要用到的仪器和用品有 (选填序号)。①带铁圈的铁架台 ②酒精灯 ③漏斗 ④玻璃棒 ⑤量筒 ⑥烧杯 ⑦滤纸(2)操作②主要是除去一些异味和色素,应选用的物质是________,该过程主要是 变化(填“物理”或“化学”)。(3)小刚取少量液体D于试管中,加入少量 ,振荡,发现有较多浮渣产生,说明液体D是硬水,通过操作③______ __(填操作③的名称)可以将该硬水软化。20、(10分)学习了MnO2对过氧化氢有催化作用的知识后。某同学想:CuO能否起到类似MnO2的催化剂作用呢?于是进行了如下探究。【猜想】Ⅰ. CuO不是催化剂、也不参与反应,反应前后质量和化学性质不变; Ⅱ. CuO参与反应产生O2,反应前后质量和化学性质发生了改变; Ⅲ. CuO是反应的催化剂,反应前后______________________________。【实验】用天平称量0.2gCuO,取5ml5%的过氧化氢溶液于试管中,进行如下实验:(1)填写下表:步骤③现象步骤⑥结果步骤⑦现象结论 带火星的木条复燃 溶液中有气泡放出 猜想Ⅰ、Ⅱ不成立猜想Ⅲ成立(2)步骤 (填序号)的目的是证明CuO能加快过氧化氢溶液分解的速率;(3)步骤⑦的目的是 ;(4)过氧化氢能被CuO催化分解放出氧气的文字表达式为___________ _______;【拓展】过氧化氢溶液完全分解后得到的液体是 (填纯净物或混合物),多少克过氧化氢中含的氧元素质量与54g水中所含的氧元素质量相等? 九年级化学期中考试卷答案 2012.11注意事项:1.答案全部填在答题卷上,填写在试题纸上一律无效。2.考试时间:50分钟;试卷满分:50分。可能用到的相对原子质量: C:12 H:1 O:16一.单项选择题(本大题包括15小题,每题只有1个选项符合题意,共15分)题号12345678答案BCDDDAAB题号9101112131415答案BDBDCAB二.填空题(本题包括5小题,每空1分,共35分)16、(1)① nCO2 ;② 3SO42- ; ③ Fe(+3)2O3 ;④ Cl 。 (2)① N2 ;② H2O ;③ NaCl ;④ Na2O 。17、(1) 略 ( 化合 ); (2) 略 ( 分解 ); (3) 略 。18、(1)① 锥形瓶 (2) BC (3) 将带火星的小木条放在b导管口,小木条复燃,则证明氧气已满 (4) b (5) C或E 19、(1) 明矾 过滤 ①③④⑥⑦ (2) 活性炭 物理 (3) 肥皂水 蒸馏 20、Ⅲ、CuO是反应的催化剂,反应前后 质量和化学性质不变 (1)填写下表:步骤③现象步骤⑥结果步骤⑦现象结论溶液中有气泡放出 带火星的木条复燃固体质量仍为0.2g 溶液中有气泡放出带火星的小木条复燃 猜想Ⅰ、Ⅱ不成立猜想Ⅲ成立(2) ①③ (3) 证明氧化铜的化学性质在反应前后没有发生改变 (4) 略 【拓展】 纯净物 计算过程: 51g (列式正确1分,答案正确1分)九年级数学期中考试卷 2012.11亲爱的同学,这份试卷将再次记录你的自信、沉着、智慧和收获.老师一直投给你信任的目光.请认真审题,看清要求,仔细答题,祝你考出好成绩.一、慧眼选一选:(每题3分,共30分)1.下列式子中,是最简二次根式的是……………………………………( )。(A) (B) (C) (D)2.下列方程中是关于x的一元二次方程的是…………………………( )A. B. C. D.3.下列函数中,自变量x的取值范围是x>的函数是……………( )A. B. C. D. 4.某型号的手机连续两次降价,由原来的1185元降到了580元,设平均每次降价的百分率是,则下列方程正确的是 ……………………………………( )A. B. C. D. 5.已知两圆的半径是方程x2-7x+12=0两实数根,圆心距为8,那么这两个圆的位置关系是………………………………………………………………………( )A .内切 B.外离 C. 相交 D.外切6.一组数据为2、3、5、7、3、4,对于这组数据,下列说法错误的是( )A.平均数是4 B.极差是5 C.众数是3 D. 中位数是67.如图,当半径为30cm的转动轮转过1200角时,传送带上的物体A平移的距离为( ) A. 20лcm B. 60лcmC. 300лcm D. 900лcm8.已知O为圆锥的顶点,M为底面圆周上一点,点P在OM上,一只蚂蚁从点P出发绕圆锥侧面爬行回到点P时所经过的最短路径的痕迹如图2,若沿OM将圆锥侧面剪开并展平,所得侧面展开图是………………………………………………( )9.若、是一元二次方程的两个实数根,则的值是( )A.-7 B.7 C.3 D. -310.Rt△ABC中,∠ABC=90,∠C=60,BC=2,D是AC的中 点,从D作DE⊥AC与CB的延长线交于点E,以AB、BE为邻边作矩形ABEF,连结DF,则DF的长是( )A.4 B.3 C.2 D.4二、细心填一填:(每空2分,共18分)11.一组数据:-2,5,8,13,7的极差是 .12. 已知x<2,化简:= . 13.如图,⊙O是△ABC的外接圆,∠OBC=35°,则∠A的度数等于 .14.已知x=1是方程的一个根,则方程的另一个根是 .15.在一次聚会中,每两个参加聚会的人都相互握了一次手,一共握了15次手,则参加本次聚会的共有 人.16.如图为长方形时钟钟面示意图,时钟的中心在长方形对角线的交点上,长方形的宽为20厘米,钟面数字2在长方形的顶点处,则长方形的长为_________厘米。17.如图,⊙O1的半径为1,正方形ABCD的边长为6,点O2为正方形ABCD中心,O1O2⊥AB于P点,O1O2=8.若将⊙O1绕点P按顺时针方向旋转360°,在旋转过程中,⊙O1与正方形ABCD的边只有一个公共点的情况共出现 次.18.如下图,第(1)个多边形由正三角形“扩展”而来,边数记为a3,第(2)个多边形由正方形“扩展”而来,边数记为a4,……以此类推,由正n边形“扩展”而来的多边形的边数记为an(n≥3),则a6= ,当时,则n = 。三、认真做一做:(共82分)19. 计算(4*2=8分)① ② 20.解方程:(4*2=8分)(1)x2﹣4x+2=0 (2)21. (本题6分)22. (6分)如图22,菱形ABCD的对角线AC、BC相交于点O, BE∥AC,CE∥DB.求证:四边形OBEC是矩形. 23.(9分)如图,已知AB为⊙O的直径,过⊙O上的点C的切线交AB 的延长线于点E , AD⊥EC 于点D 且交⊙O于点F ,连接BC , CF , AC .(1)求证:BC=CF;(2)若AD=6 , DE=8 ,求BE 的长;24.(本题8分)市射击队为从甲、乙两名运动员中选拔一人参加省比赛,对他们进行了六次测试,测试成绩如下表(单位:环):第1次第2次第3次第4次第5次第6次甲10988109乙101081079(1)根据表格中的数据,分别计算出甲、乙两人的平均成绩;(2)分别计算甲、乙六次测试成绩的方差;(3)根据(1)、(2)计算的结果,你认为推荐谁参加省比赛更合适,请说明理由.25.(8分)如图,在10×10的正方形网格中(每个小正方形的边长都为1个单位),△ABC的三个顶点都在格点上.(1)画出将△ABC向右平移3个单位,再向上平移1个单位所得的△A′B′C′;(友情提醒:对应点的字母不要标错!)(2)建立如图的直角坐标系,请标出△A′B′C′的外接圆的圆心P的位置,并写出圆心P的坐标:P( , );(3)将△ABC绕BC旋转一周,求所得几何体的全面积.(结果保留π)26.(8分) 利达经销店为某工厂代销一种建筑材料(这里的代销是指厂家先免费提供货源,待货物售出后再进行结算,未售出的由厂家负责处理)。当每吨售价为260元时,月销售量为45吨。该经销店为提高经营利润,准备采取降价的方式进行促销。经市场调查发现:当每吨售价每下降10元时,月销售量就会增加7.5吨。综合考虑各种因素,每售出一吨建筑材料共需支付厂家及其它费用100元。(1)当每吨售价是240元时,计算此时的月销售量;(2)在遵循“薄利多销”的原则下,问每吨材料售价为多少时,该经销店的月利润为9000元。27.(9分)如图,在矩形ABCD中,AB=3,AD=1,点P在线段AB上运动,设AP=,现将纸片折叠,使点D与点P重合,得折痕EF(点E、F为折痕与矩形边的交点),再将纸片还原.(1)当时,折痕EF的长为 ;当点E与点A重合时,折痕EF的长为 ;(2)试探索使四边形EPFD为菱形时的取值范围,请简要说明探索过程。并求当时,菱形EPFD的边长.提示:用草稿纸折折看,或许对你有所帮助!28.(12分)如图在Rt△AOB 中,∠BAO=90°,O为坐标原点,B在x轴正半轴上,A在第一象限,OA和AB的长是方程两根,且OA<AB.(1)求直线AB的解析式;(2)将△AOB沿垂直于x轴的线段CD折叠(点C在x轴上,且不与点B重合,点D在线段AB上),使点B落在x轴上,对应点为E,是否存在这样的点C,使得△AED为直角三角形?若存在,求出点C的坐标;若不存在,请说明理由. 九年级数学期中试卷答案 2012、11一.选择题:C C D A B D A D B C 题号1112131415161718答案152-x55°-26542100三、解答题19(1)解:原式=÷ ……2分=8÷4=2.…………………………………4分(2)原式= =…………2分 =5+2………………4分20(1)解:△=42﹣4×1×2=8,…………1分∴ ………………3分 ,;……(4分)(2)解: 21. 解:原式=…………2分 =………………………4分 把代入,求得,原式= …………6分22. 证明:∵BE∥AC,CE∥DB,∴四边形OBEC是平行四边形.…… …2分又∵四边形ABCD是菱形,∴AC⊥BD,∴∠AOB=90°,…… …4分∴平行四边形OBEC是矩形.…… …6分23、解:(1)证明:如图,连接OC,∵ED切⊙O于点C,∴CO⊥ED。......2分∵AD⊥EC,∴CO∥AD。∴∠OCA=∠OCA。∴∠OAC=∠CAD。∴。∴BC=CF...........(4分)(2)在Rt△ADE中,∵AD=6,DE=8,根据勾股定理得AE=10。 ………………5分∵CO∥AD,∴△EOC∽△EAD。∴。设⊙O的半径为r,∴OE=10+r,∴。......7分∴r=。∴BE=10-2r=。.............9分24解:(1)sup6(—(—)=(10+9+8+8+10+9)÷6=9 ……1′sup6(—(—)=(10+10+8+10+7+9)÷6=9 ……2′(2)S甲2= ,S乙2= …………………… 6′(3)∵sup6(—(—)=sup6(—(—),S甲2<S乙2,∴推荐甲参加省比赛更合适…………8′25. (1)如右图……………2′ (2)P( 8 , 4 )并标出点P……4分 (3)…………8分(注:求得部分有效线段得1分,求得部分侧面积得2分)26. (1)当每吨售价是240元时,此时的月销售量为:45+×7.5=60;………2分(2)设当售价定为每吨x元时,由题意,可列方程(x-100)(45+×7.5)=9000. ………4分化简得x2-420x+44000=0.…… ………5分解得x1=200,x2=220. ………… …6分当售价定为每吨200元时,销量更大,所以售价应定为每吨200元.…… ……8分27.解:(1)3, …………… 2分 (2)∵要使四边形EPFD为菱形,∴DE=EP=FP=DF,只有点E与点A重合时,EF最长为,此时x=1,当EF最短时,点D与点B重合,点P与点B重合.此时x=3,∴探索出1≤x≤3 ………………… 5分(答案对而没有必要的探索过程只能得1分)当时,如图,连接DE、PF.∵EF是折痕, ∴DE=PF,设PE=,则AE=∵在⊿ADE中,∠DAE=90°, ∴AD2+AE2=DE2,即……7分解得,此时菱形EPFD的边长为 … ……9分28.解:(1)解方程得两根为,因为OA和AB的长是方程两根,且OA<AB所以,………………2分而,则作AF⊥x轴于F,如图① 则那么∴ A(1,2),B(5,0).…………4分设直线AB的解析式为y=kx+b,则有,解得∴直线AB的解析式为y=-x+.……6分(2)存在.……………………7分分两种情况讨论:ⅰ)当Rt△AED以点A为直角顶点时,点E与原点O重合,如图②.∵OC=BC=OB=∴C1(,0);…………………………9分ⅱ)当Rt△AED以点E为直角顶点时,如图③,过点A作AF⊥x轴于F.OF=1.∵∠AED=90°,∴∠AEO+∠DEC=90°.∵∠DEC=∠DBC,∴∠AEO+∠DBC=90°.又∠AOE+∠DBC=90°,∴∠AOE=∠AEO.∴△AOE是等腰三角形,∴OE=2OF=2,∴BE=3.∴EC=,∴OC=OE+EC=2+=.∴C2(,0).综上所述,存在这样的点C,使得△AED为直角三角形,点C的坐标为:C1(,0)和C2(,0).………………12分九年级物理期中考试卷 2012.11注意事项:1.g一律取10N/kg 2.请把试题的答案写在答卷纸上,不要写在试题卷上 3.作图题请用铅笔作答,并请加黑、加粗。一、选择题(每题2分,共24分)1. 如图所示的用具中,属于省力杠杆的是( )2.升国旗的旗杆顶端有个重要的装置是( )A.定滑轮 B.动滑轮 C.滑轮组 D.省力杠杆3. 如图所示的各个过程中,人对物体做功的是( ) A.踢出去的足球在地面上滚动一段距离 B.运动员在举起杠铃的过程中C.学生背着书包在水平地面上匀速前进 D.大家用力推汽车,汽车不动4. 分别用杠杆、斜面和滑轮组将同一物体举到相同高度,做的有用功( )A.杠杆最多 B.斜面最多 C.滑轮组最多 D.一样多5. 如图,两个滑轮组由每个质量相同的滑轮组成,用它们分 别将重物G1、G2提高相同高度,下列说法中正确的是: ( )A.若G1 = G2,拉力做的额外功相同; B.若G1 = G2,拉力做的总功相同;C.若G1 = G2,甲的机械效率大于乙的机械效率; D.用同一个滑轮组提起不同的重物,机械效率不变.6. 据CCTV报道:今年5月29日,在高速公路上驾驶客车的司机吴斌,被前方突然飞来一小物块击破挡风玻璃后击中腹部。他整个肝脏碎裂,却以超人的意志力忍着剧痛,完成了靠边停车等保障安全的一系列动作,保证了25名乘客安全,自己却献出了宝贵的生命。飞来的物块使吴师傅致命的主要原因,是因为它具有 ( )A.较大的动能 B.较大的势能 C.较大的密度 D.较大的硬度7. 下列属于通过做功方式改变物体内能的是( )A.在火炉上烧水,水温升高 B.感冒发烧,用冷毛巾敷额头C.用气筒给轮胎打气,气筒壁发热 D.炎热的夏天,柏油路面温度升高8. 开启啤酒瓶盖瞬间伴有“嘭”的一声,瓶口有一股“白烟”,下列说法中正确的( )A.瓶的内外温度相等,啤酒内能不变B.瓶内的气体对外做功,啤酒内能增加C.瓶口的“白烟”是瓶内二氧化碳液化形成的D.瓶口的“白烟”是瓶口水蒸气液化形成的9. 图中的四个电路中与右边实物图对应的是( )10. 下列电路中采用串联连接的是( )A.马路上的路灯总是一齐亮,一齐灭 B.冰箱中的压缩机和冷藏室的灯C.教室里的日光灯 D.同一串节日小彩灯各灯的连接方法11. 用两个相同的电热器给质量相同的物质甲和水加热,它们的温度随加热时间的变化关系如右图所示,据此判断物质甲的比热容为( )A.2.1×103J/(kg?℃) B.4.2×103J/(kg?℃)C.1.2×103J/(kg?℃) D.条件不足,不能确定12. 某人骑着一辆普通自行车,在平直公路上以某一速度匀速行驶,若人和车所受的阻力为20N,则通常情况下,骑车人消耗的功率最接近( ) A.1W B.10W C.100W D.1000W二、填空题(每空1分,共24分)13. 如图1所示,秤砣的质量为100 g,秤杆的质量忽略不计。秤杆水平静止时,OA=5cm,OB=25 cm,则被测物的质量为 ▲ kg。若秤砣有缺损时,则杆秤所示的质量值 ▲ 被测物的真实质量值(选填“小于”、“等于”或“大于”)。 图1 图2 图314.现在地震时有发生,于是人们开始重视加固维修房屋,常常可以看到图2示的场景。假如该工人通过滑轮把水泥缓缓提升到房顶,使用该机械最大的好处是___ ▲______,这种滑轮实质是一种__ ▲_____杠杆。15.立定跳远项目中,体重为500N的某同学从最高点到落地点的过程中,重心下降的最大距离为0.3m,用时0.5s,轨迹如图3.则此过程重力做的功为_ ▲ _J,重力的功率为 ▲ W.16. 如右图所示,小李用机械效率为80%的滑轮组提升重240N的物体,使物体匀速上升了2m,则他做的有用功是_ ▲__J,额外功是_ ▲__J。17.人造地球卫星在从近地点向远地点运动的过程中机械能在转化时_ ▲__能增大。洒水车在水平公路上边洒水边匀速行驶,在此过程中,洒水车的机械能_ ▲__。18.撑杆跳高是一项技术性很强的体育运动,完整的过程可以简化成如下图所示的三个阶段:持杆助跑、撑杆起跳上升、越杆下落.到达最高点的过程中是动能和 ▲转化为__ ▲___;下落过程中_ ▲___能逐渐增加.19. 一台内燃机运行时各种能量的损耗大致为:汽缸散热损失占25%,废气带走的能量占30%,摩擦等机械损耗占10%,则它的机械效率为_ ▲__。20. 唐代诗人李白曾写过这样的诗句:“飞流直下三千尺,疑是银河落九天。”诗句中“飞流直下”的水在下落过程中若没有热量损失,则落下的水温度会_ ▲__,内能会_ ▲__,原因是 _ ▲__ 。21. 日本丰田汽车公司,因汽车脚垫和油门踏板问题引发了召回事件,其中油门踏板是一种 _ ▲__ 类(填“杠杆”或“斜面”)简单机械。当司机踩下油门时,这台四冲程的汽油机每秒做功_ ▲__ 次(RPM(Revolutions Per Minute):每分钟转数)22.如图所示的电路,开关闭合时电流表甲测量的是通过___ ▲____的电流(选填“L1”“L2”或“L1和L2”),电流表乙测量的是通过__▲___的电流(选填“L1”“L2”或“L1和L2”).L1和L2两只灯泡是___ ▲_____关系(选填“串联”或“并联”).23. 如右图所示,把两个灯泡串联后接到电源上,闭合开关S后,发现L1比L2亮。设通过灯泡L1的电流为I1,通过灯泡L2的电流为I2,则 I1 _ ▲__ I2 (选填“>”、“<”或“=”);若工作过程中灯泡L1突然烧坏,则灯泡L2 _ ▲__ (选填“仍亮”或“不亮”)三、解答题(本题共 5小题,共32分。第28题要写出必要的解题过程)24. (2分)如图所示,在课桌的C点用最小的力把桌腿B抬离地面,在抬起时桌腿A 没有滑动,请在C点画出这个力的示意图,并标出它的力臂l。25. (6分)下面是某同学做探究“斜面机械效率与斜面的粗糙程度、斜面的倾斜程度的关系”实验。斜面与水平面夹角小车的重力G/N斜面的粗糙程度h/m斜面的高度F/N沿斜面拉力F/N斜面长S/m有用功W有/J总功 W总/J机械效率%20°2玻璃面0.10.60.50.20.36730°2玻璃面0.21.10.50.40.557345°2玻璃面0.351.80.5①▲②▲③▲45°2棉布面0.352.00.50.71.070(1)在实验过程中,应沿斜面向上拉动木块,使其做 _ ▲__ 运动。(2)请将上表中空格补充完整.(3)请你根据表中的实验数据,得出要探究的实验结论:结论一:___________________ ▲__ ______________________________。结论二:____________________ ▲__ ______________________________。26.(8分)在探究弹性势能的大小跟哪些因素有关时,小明提出了如下猜想:猜想一:弹性势能的大小与弹簧被压缩的程度有关;猜想二:弹性势能的大小是弹簧的材料有关.为此,小明选用材料不同的两根弹簧A和B(长度和粗细相同),小球、木块和长刻度尺各一,设计了如图所示的实验装置进行探究.实验中,木块起始位置相同.最后得出以下实验记录表.实验次数使用的弹簧被压缩后弹簧的长度/cm木块移动的距离①弹簧A5S1②弹簧A8S2③弹簧B5S3④弹簧B8S4由于弹性势能的大小不便用仪器测量,本实验把弹性势能的大小转换为测量木块移动的距离,这种研究方法叫转换法.下列实验中用到此方法的是 _ ▲__ (填序号).①探究“杠杆的平衡条件”②探究“温度的测量中用液面的升降表示物体的冷热程度”(2)请将探究猜想一的方案补充完整.①将弹簧A、小球、木块按如图安装好;②压缩弹簧,使其长度为5cm.放手后,小球被弹出,推动木块移动了一段距离S1;③压缩弹簧,使其长度为_ ▲__ cm.放手后,小球被弹出,推动木块移动 _ ▲__ .④比较分析实验数据_ ▲__ 和 ▲ ,得出结论.(3)弹簧将小球弹开的过程中,是弹簧的弹性势能转化成小球的_ ▲__ 能.(4)为了探究猜想二,可选用试验次数②和_ ▲__ 的数据进行比较分析,若_ ▲__ ,说明弹性势能的大小与弹簧的材料有关.27.(9分)小华在探究串联电路的电流规律时,连接了如下甲的电路,请你帮他分析这个电路中的问题。(1)在拆接电路时,开关必须__ ▲__ _.(1分)(2)甲图中电路连接有错误,请你找出来并在连接线上画“×”(1分)(3)这样的连接错误会产生什么样的现象?_ ▲__ 可能会造成什么危害?_ ▲__ (2分)(4)将乙图中L1 、L2两只灯泡连接成并联电路,电流表 测干路中的电流。右图是电流表测得的某次电流,则 该电路中电流是 ▲_安(连接电路2分,读数1分)(5)(2分)小华利用以上装置做“探究串、并联电路中电流规律”的实验,得到以下数据:接法灯泡L1电流(A)灯泡L2电流(A)总电流(A)串联0.120.120.12串联0.180.180.18并联0.210.210.42并联0.220.260.48请回答下面的问题:(1)串联电路中电流的规律是: _ ▲__ (2)并联电路中电流的规律是: _ ▲__ 28.(7分)近几年环保低碳风劲吹,混合动力汽车已成为车展上的“常客”.混合动力汽车启动时,内燃机并不工作,动力电池通过驱动电机向车轮输送能量;当高速行驶或动力电池储存电能过低时,内燃机启动,既可以向车轮输送能量,也可以同时给动力电池充电.当混合动力汽车在平直公路上以72km/h匀速行驶10min后,其内燃机消耗了汽油1.2kg,假设汽油完全燃烧所释放能量的一半转化为牵引力做功和给动力电池充电,其中动力电池储存的电能增加了7.2×106J。试求:(1)汽油完全燃烧所释放能量是多少焦耳?(2分)(2)牵引力做功多少焦耳?牵引力的功率是多少?(3分)(3)汽车受到的阻力是多大?(汽油的热值q=4.6×107J/kg)(2分)九年级物理期中考试答卷纸注意事项:1.g一律取10N/kg 2.请把试题的答案写在答卷纸上,不要写在试题卷上 3.作图题请用铅笔作答,并请加黑、加粗。一、选择题(每题2分,共24分)123456789101112 二、填空题(每空1分,共24分)13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 三、解答题(本题共 5小题,共32分。第28题要写出必要的公式和文字说明)24. (2分)25. (6分)(1)在实验过程中,应沿斜面向上拉动木块,使其做 运动。(2)请将上表中空格补充完整.① ② ③ (3)请你根据表中的实验数据,得出要探究的实验结论:结论一:________________________________________________________。结论二:________________________________________________________。26.(8分)(1) (2) ③ ④ (3) (4) 27.(9分)(1)在拆接电路时,开关必须________.(1分)(2)甲图中电路连接有错误,请你找出来并在连接线上画“×”(1分)(3)这样的错误会产生 的现象?会造成危害是 ?(2分)(4)则该电路中电流是 安(连接电路2分,读数1分)(5)(2分)请回答下面的问题:①串联电路中电流的规律是: ②并联电路中电流的规律是: 28.(7分)九年级物理期中考试参考答案2012.11一、选择题(每题2分,共24分)123456789101112AABDCACDCDAC 二、填空题(每空1分,共24分)13. 0.5 大于 14. 省力 省力 15. 150 300 16. 480 120 17. 重力势 变小 18. 弹性势能 重力势能 动 19. 35% 20. 升高 增大 机械能转化为内能 21. 杠杆 5 22. L2 L1和L2 并联_ 23. = 不亮 三、解答题(本题共 5小题,共32分。第28题要写出必要的解题过程)24. (2分)25. (6分)(1)在实验过程中,应沿斜面向上拉动木块,使其做 匀速直线 运动。(2)请将上表中空格补充完整.① 0.7 ② 0.9 ③ 78 (3)请你根据表中的实验数据,得出要探究的实验结论:结论一:当斜面的粗糙程度一定时,斜面的倾斜程度越大,斜面的机械效率越大。结论二:当斜面的倾斜程度一定时,斜面越粗糙,斜面的机械效率越小__。26.(8分)(1) ② (2) ③ 8 S2 ④ S1 S2 (3) 动 (4) ④ S2≠S4 27.(9分)(1)在拆接电路时,开关必须 断开.(1分)(2)甲图中电路连接有错误,请你找出来并在连接线上画“×”(1分)(3)这样的错误会产生 L2不亮 的现象。会造成危害是 电流可能超过3A损坏电流表 。(2分)(4)则该电路中电流是 0.3 安(连接电路2分,读数1分)(5)(2分)请回答下面的问题:①串联电路中电流的规律是:串联电路中电流处处相等 。 ②并联电路中电流的规律是:并联电路中,干路电流等于各之路电流之和 。 28.(7分)Q=mq=1.2×4.6×107J/kg=5.52×107JW电=-7.2×106J=2.04×107J 10min=600s3.4×104w3、汽车匀速直线运动,F阻=F牵引 V=72km/h=20m/s F阻=F牵引九年级英语期中考试卷 2012.11注意事项:1、答题前,考生务必将自己的姓名和班级写在答题卡和答题卷上。 2、本试卷满分110分,考试时间120分钟。第I卷 (客观题 共70分)一、听力测试(本大题共20分,每小题1分)第一节(共10小题) 听下面10段短对话,每段对话后有一个小题,从题中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。每段对话读两遍。听第1至10段材料,回答第1至10题。1. What is their English teacher’s star sign?A. B. C.2. What TV programme does John like best?A. B. C. 3. When will the party begin?A. B. C. 4. What was the weather like yesterday?A. B. C. 5. What does the man do? A. A doctor. B. A teacher. C. A singer.6. Where does the conversation take place? A. In a shop. B. In the cinema. C. In the room.7. Which shirt is the cheapest? A. The red one. B. The blue one. C. The yellow one.8. What does Simon think of his school life? A. Stressed and boring. B. Stressed and lively. C. Lively and colourful.9. What can we learn from the dialogue? A. The girl has finished her Science homework. B. The boy has finished his Maths homework. C. The boy has finished his English homework.10. Why doesn’t the woman eat chocolate? A. Because she feels sick. B. Because she wants to lose weight. C. Because she wants to protect her teeth.第二节(共10小题) 听下面3段长对话和短文,每段对话和短文后有几个小题,从题中A、B、C三个选项中选出最佳选项。听每段对话和短文前,你将有时间阅读各个小题,每小题5秒钟,听完后,每小题将给出5秒钟的作答时间。每段对话和短文读两遍。听第11段材料,回答第11、12题。11. Where is Lily going for lesson?A. A language school. B. Her school. C. An art school.12. What is she planning to do in France?A. To learn painting. B. To have fun. C. To improve her French.听第12段材料,回答第13至15题。请根据短文内容,选择正确答案,完成信息记录表。How to learn a language wellWhat’s the writer’s opinion of learning a language? 13 What should you do when people laugh at your mistakes?We should 14 . We should 15 when we make a mistake.13. A. Writing B. Using it C. Listening 14. A. be sad B. not be sad C. feel worried 15. A. keep quiet B. get angry C. keep the sense of humor听第13段材料,回答第16至20题。16.Where did Mr. Read live? A. Near a small hotel. B. Near the sea. C. In a big city.17.Why did Mr. Read's relatives like to stay at his house in summer? A. Because they could spend less money.B. Because Mr. Read invited them.C. Because the hotels there were not comfortable.18.When did Mr. Read's sister want to come for a visit? A. In June. B. In July. C. In August.19.How long did Mr. Read's sister and her family plan to stay? A. For a week. B. For half a month. C. For ten days.20.How did Mr. Read's neighbour prevent his relatives from coming to his home? A. He lent money to them and then asked them to stay in a hotel.B. He asked his relatives to pay for their living.C. He borrowed money from the rich relatives and then lent it to the poor ones.二、单项填空 在A、B、C、D四个选项中,选出可以填入空白处的最佳选项。(本大题共14分,每小题1分)21. How careless it was _______ Millie to make _______ many silly mistakes in the Math exam! A. of; so B. for; such C. for; so D. of; such22. ---The man in a black suit _______ be our youth worker. ---It _______ be him. I saw him in the classroom building some minutes ago. A. can; could B. must; can’t C. can; mustn’t D. must; won’t23. A good teacher should be strict _______the students ______their study. A. with; in B. in; in C. in; with D. with; with24. It’s getting cooler. My mother opened the drawer to ________the clothes for summer.A. put away B. put up C. put on D. put down25. Eddie _________ sleeping __________ going out. A. would rather; than B. prefers; than C. would rather; to D. prefers; to26. I can’t spend _________ money on the car which is _________ expensive for me.A. too much; much too B. far too; too much C. much too; too much D. too many; much too27. ------It’s said that the famous writer will give us _________ advice on writing. ------_________ good news! I’m weak at it. A. a; How a B. an; What C. some; What D. any; How 28. His father and mother often argue _______ what TV programmes _________. A. with; watching B. about; watching C. with; to watch D. about; to watch29. He is a clever boy. His __________ are of great __________ to us. A. advice; value B. suggestions; value C. advice; valuable D. suggestion; valuable30. _________ people were found ________ after the big earthquake. A. A number of; died B. The number of; died C. A number of; dead D. The number of; dead 31. I want to _________ at the meeting, but in the end I _________ nothing. A. speak; said B. say; spoke C. talk; said D. speak; told32. It’s clever________ Amy to make a birthday cake, but it’s hard _____ me to do that. A. for; for B. of; of C. for; of D. of; for33. It’s raining so__________ that we can _________ go out now. A. hard; hardly B. hard; hard C. hardly; hardly D. hardly; hard34. ---Do you think I could borrow your English-Chinese dictionary? ---_______. A. Yes, you could B. Yes, you may borrow C. Yes, help yourself D. Yes, go on三、完形填空 先通读下面的短文,掌握其大意,然后从下面四个答案中选择可以填入相应空白处的最佳答案。(本大题共10分,每小题1分)Do you know how to study better and make your study more effective(有效的)?We all know that Chinese students usually study very hard for long 35 .This is very good, but it doesn’t 36 a lot, for an effective student must have enough sleep, enough rest and exercise. Every day you need to go out for a walk or visit some friends or some nice places. It’s good for your study. When you return 37 your studies, your mind will be refreshed(清醒) and you’ll learn more 38 study better. Psychologists(心理学家) 39 that learning takes place in this way. Here take English learning 40 an example. In the first few months you can make a lot of progress and you feel happy. Then your language study seems 41 the same. So you will think you’re learning 42 and you may give up. This can last for days or even weeks, yet you needn’t give up. At some point your language study will take another big 43 . You’ll see that you really have been learning all along. If you get enough sleep, food, rest and exercise, studying English can be very effective and interesting. Don’t 44 along the way. Learn slowly and you’re sure to get a good result.35. A. day B. time C. hour D. week36. A. help B. give C. make D. take37. A. after B. for C. at D. to38. A. yet B. and C. or D. but39. A. find B. teach C. tell D. remember40. A. with B. for C. as D. to41. A. to have B. to make C. to take D. to stay42. A. something B. anything C. nothing D. everything43. A. work B. jump C. walk D. result44. A. get up B. set up C. give up D. wake up四、阅读理解 阅读下面的短文,然后根据短文内容,在每小题所给的四个选项中选出最佳选项。(本大题共26分,每小题2分)(A)What problems do the teenagers probably have? Here is a survey showing their main problems.ProblemsCausesAdviceFeeling StressedToo much homework. Not having enough time for their hobbies.Make a plan for study and hobbies. Find time to relax as possible as you can.Getting short-sighted(近视)Too much homework. Bad reading and writing habits.Do homework or reading in a correct way.FightsNot knowing how to get on well with classmates.Make more friends and understand each other. Share your problems with them.Feeling tired of studyComputer games’ bad influence.Don’t be crazy about computer games. Play them just for a short time when you are tired.Getting fatHaving more pocket money to buy snacks; Dislike doing exercise.Use your pocket money to do something meaningful. Spend some time doing exercise every day.45. How many main problems are there in the survey? A. Four. B. Seven. C. Six. D. Five.46. What problems are caused by too much homework? A. Feeling stressed and getting short-sighted. B. Feeling stressed and fighting with classmates. C. Feeling tired of study and getting fat. D. Getting short-sighted and feeling tired of study.47. ________ is a good way for the teenagers to stop fights. A. Doing less homework B. Paying no attention to each other. C. Learning how to make friends D. Playing computer games.(B)All living things on the earth need other living things to live. Nothing lives alone. Most animals must live in a group, and even a plant grows close together with others of the same kind. Sometimes one living thing kills another, one eats and the other is eaten. Each kind of life eats another kind of life in order to live, and together they create a food chain (链条). Some food chains are simple, while others are not. But all food chains begin with the sun, and all food chains become broken up if one of the links (链接) disappears. All life needs sunlight to live on. But only plants can use sunlight directly. Plants are ‘factories’. They make food from sunlight, water and things in the soil (土壤) and air. Plants feed all other living things. Animals can only use the sun’s energy after it has been changed into food by plants. Some animals feed directly on plants, others eat smaller animals. Meat-eating animals are only eating plants indirectly. What about humans? We are members of many food chains. We eat rice, vegetables, and fruits and so on. We also eat meat and drink milk. But we often break up the food chains. We kill wild animals and also make rivers, lakes and seas polluted. When these rivers, lakes and seas are polluted, the fish in them can not be eaten. If we eat the fish, we will get strange illnesses. Each form of life is linked (关联的) to all others. Breaking the links puts all life in danger.48. Which living things can use the sun’s energy directly?A. Animals. B. Plants.C. Animals and plants. D. All living things.49. Who often destroy the food chains?A. Humans. B. Animals.C. Plants and animals. D. Humans and wild animals.50. Which of the following would be the best title for this passage?A. The Sun’s Energy B. PlantsC. Food Chains D. Living Things(C)If the rose can be said to be a special flower, then the apple can be said to be a special fruit. It is very important in American culture. American stories speak of Johnny Appleseed, who went throughout America collecting apple seeds and planting apple trees. He had a great love for nature and went through fields and farms adding richness and beauty to the country. One of the first sayings taught to school children is, “An apple a day keeps the doctor away.” This short saying encourages children to eat fresh fruit to keep healthy. If someone always says good words to a person, people will call him an “apple polisher”. This, however, is not a good name. If someone is very dear to us, we say that he or she is the “apple of our eye”. Most people believe that the fruit which Eve gave to Adam was an apple, even though the Bible(圣经) never says so. The apple, therefore, is a deep part of the language and stories of America.An apple is also delicious. Apples can be cooked in many ways, used as a dessert, and made into sweet juice. In many parts of the country during the harvest season, a popular activity is to go into an apple garden to pick apples. Washington, D. C. and New York are both famous for their apples. Finally, when it’s time to take a vacation to American cities, one can always visit New York, which is “the biggest apple” of all the American cities. 51. What does the underlined phrase “apple polisher” mean?A. Something for cutting apples. B. A person who likes to please others.C. A person who is dealing with fruits. D. A machine for cleaning apples quickly.52. Which of the following is TRUE with apples?A. Apples are medicine.B. Apples are the most important food.C. New York is famous for its big apples.D. The Bible says Adam was given an apple.53. The passage is mainly about .A. stories about the apple B. apples in American culture C. some famous sayings of the apple D. big cities that is famous for apples (D)When I was about 12, I had an enemy, a girl who liked to point out my shortcomings(缺点). Sometimes she said I was thin. Sometimes she said I was lazy. Sometimes she said I wasn’t a good student. Sometimes she said I talked too much, and so on. I tried to put up with(忍受) her as long as I could. At last, I became very angry. I ran to my father with tears in my eyes. He listened to me quietly, and then he asked, “Are the things she said true or not? Mary, didn’t you ever wonder what you’re really like? Go and make a list of everything she said and mark the points that are true. Pay no attention to the other things she said.” I did as he told me and to my surprise, I discovered that about half the things were true. I brought the list back to my dad. He refused to take it. “That’s just for you,” he said. “You know better than anyone else the truth about yourself. When something said about you is true, you’ll find it will be helpful to you. Don’t shut your ears. Listen to them all, but hear the truth and do what you think is right.” Many years have passed. The situation often appears in my mind. In our life we often meet with some trouble and we often go to someone and ask for advice. For some advice you will treasure(珍惜) all your life!54. What did the writer’s father do after he heard her complaints(抱怨)? A. He agreed with her “enemy”. B. He let her continue to put up with her “enemy”. C. He told her to write down all her “enemy” had said about her. D. He told her not to pay attention to what her “enemy” had said.55. The writer felt _________ when she did the things as her father had told her. A. surprised B. angry C. disappointed D. sad56. What fact does the passage provide? A. The “enemy” thought the writer was pretty. B. The “enemy” thought the writer studied hard. C. The writer and her “enemy” became best friends at last. D. The writer is grateful to her father.57. Which of the following can be the best title of the passage? A. My Parents. B. A Serious Criticism(批评). C. What People Say About You Is Always Right. D. The Best Advice I Ever Had.第 Ⅱ 卷 ( 主观题,共40分)五、词汇运用 (本大题共8分,每小题1分)(A)根据句意,写出括号内所给单词的适当形式。1. Wearing red can help you when you have trouble in making _______ (decide).2. Don’t be _______ (patient)! Please think about what I said first.3. The boring speech makes the little boy feel _________ (sleep).4. The __________ (true) of the matter is that we had no other choice.(B)根据句意和汉语注释,写出单词的正确形式。5. It seemed that nothing could _______________ (打扰) his peace of mind.6. You can see what kinds of food are _______________ (可获得的) and how much they cost.7. We will do our best to help the people who are _________(受苦) from the disease.8. With the help of the teacher, they understood it by __________(试验).六、动词填空 用所给动词的适当形式填空。(本大题共8分,每小题1分)1. The new way of solving the problems is well worth ______________ (try).2. Another two months will be needed before the new bridge ______________ (complete).3. She _______________ (not realize) how special her mother was until she became an adult.4. He worked all the night ________________ (solve) the problem.5. The life that we are used to _______________ (change) greatly since the 1990s.6. I think it’s good for the Hospital uniforms to be green because the colour ____________ (relax) the patients.7. ---Have you finished your homework, Lucy? ---Not yet, mum. I _________ (do) it at once.8. The patient smiled when he heard his illness could ______________ (cure).七、完成句子 根据所给的汉语,完成下列句子。(本大题共9分,每小题1.5分)1. 阅览室的书不允许被带出去。The books in the reading room __________________________________________________.2. 我有很多作业要做,我经常熬夜来完成这些练习。I have so much homework to do that I often _______________________________________.3.你确定他们经常在实验室里做实验吗?Are you sure they ____________________________________________________________?4. 因为大雨,我们别无选择,只能放弃旅行。We _____________________________________________because it rained heavily.5. 彼得在学习上取得了很大进步,他的父母都很开心。Peter _____________________________________that his parents are very happy.6. 他很有想象力,能很快想出各种办法。He is imaginative enough ______________________________________________________.八、短文填空 先通读下面的短文,然后根据短文内容和所给首字母,在空格内填入一个适当的词,使短文意思完整。所填单词必须在答题卡标有题号的横线上完整写出。 (本大题共5分,每格0.5分)M 1 friends is a skill like other skills. It improves with practice. If you want to meet people and make friends, you must be willing to take some a 2 .You must first go where there are many people. You won’t make friends staying at home. Join a club or a party, talking with those who like the s 3 things as you do. Or join someone in some a 4 . It’s human nature to feel a bit u 5 about the unknown. Most of our fears come from doubts about o 6 . Don’t forget they must be feeling the same way. Try to accept yourself as you are, and try to put the other person at ease(自由自在). You’ll b 7 feel comfortable. Try to act self-confidently t 8 you don’t feel that way. When you enter a room f 9 of strangers, walk tall and straight, look directly at them and smile. Meeting someone new doesn’t mean that you will make friends because friendship is based on mutual liking(基于互相喜欢) and “give and take”. It takes t 10 to develop.九、书面表达(本大题共10分)假如你是一名初三学生李平,你要写一封信给青少年专家Sigmund Friend,告诉他你遇到的问题,并请求帮助。请根据下列要点,用英语写完这封信。1.去年刚随父母来到无锡,在这里没有可以交谈的亲密朋友。2.父母很忙,没时间和我交流。3.对我很严格, 只关心我的分数。4.我没信心,考试总使我感到很有压力。5.我不知道……我希望……注意:1. 第5点用2--3句话展开,作合理发挥;2. 词数80个左右,信的开头和结尾已给出,不计入词总数。Dear Sigmund Friend,I’m a Grade 9 student.___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________I hope to hear from you soon. Yours,Li Ping初三英语期中考试参考答案 2012年11月 第一卷 (客观题,共70分)听力测试(本大题共20分,每小题1分)12345678910ABABABACBB11121314151617181920AABBCBABCC单项填空 (本大题共14分,每小题1分)21222324252627282930ABAADACDBC31323334ADAC完形填空 (本大题共10分,每小题1分)35363738394041424344BADBACDCBC阅读理解(本大题共26分,每小题2分)45464748495051525354555657DACBACBCBCADD第二卷(主观题,共40分)五、词汇运用(本大题共8分,每小题1分)1. decisions 2. impatient 3. sleepy 4. truth 5. disturb 6. available 7. suffering 8. experiment 六、动词填空(本大题共8分,每小题1分)1. trying 2. is completed 3 . didn’t realize 4. to solve 5. has changed 6. relaxes 7. will do 8. be cured 七、完成句子 (本大题共9分,每小题1.5分)1. are not allowed to take out2. stay up late to finish the exercises3. often do experiments in the laboratory4. had no choice but to give up travelling/ the trip5. has made such great progress6. to come up with all kinds of ways八、短文填空 (本大题共5分,每格0.5分)1. Making; 2. actions/advice; 3.same; 4. activities; 5.uncomfortable/unhappy/uneasy;6. ourselves; 7. both; 8. though; 9. full; 10. time九、书面表达(本大题共10分) One possible version:I came to Wuxi with my parents last year. I don’t have any close friends to talk to here. My parents are all very busy. They have no time to have communication with me. They are very strict with me. They only care about marks. I am not confident. Exams always make me feel very stressed. I don’t know how to keep a balance between my schoolwork and my hobbies. I hope to hear from you. 九年级英语期中考试听力材料 2012.11第一节 听下面10段短对话,每段对话后有一个小题,从题中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。每段对话读两遍。听第1至10段对话,回答第1至10题。1. M: What do you think of our English teacher? W: Everyone knows that he loves his home and family very much, he is kind to others. So I think his star sign is Cancer.2. W: What programme do you often watch, John? M: I found a lot of fun from the cartoon Mickey Mouse. So I like it best.3. M: Hurry up! It’s already 7:15 p.m. We will be late for the party. W: Your watch is fifteen minutes fast. We still have an hour to go.4. M: Did you go to the cinema yesterday? W: No, it snowed heavily, so I stayed at home. I watched a film on TV.5. W: Why didn’t you come to my birthday party yesterday? M: I’m so sorry. But I had to do an operation for a famous singer.6. W: Excuse me, sir. Is this Seat 11, the 9th row? M: Yes, is there anything wrong? W: I’m afraid you have taken the wrong seat.7. M: How much are these shirts? W: The red one is 12 dollars. The blue one is 20 dollars. The yellow one is 13 dollars.8. W: What do you think of your school life, Simon? M: I like it very much. We don’t have much homework to do. We have lots of after-school activities.9. M: Have you finished the science homework yet? W: I’m still working on it. What are you doing? M: I’ve done my Maths and I’ve just started those English exercises. W: I’m going to do them next.10. M: Would you like some chocolates?W: No, thank you. I can’t touch anything very sweet.M: Is it because of your teeth? W: No. I just want to be slimmer.第二节(共10小题) 听下面3段长对话和短文,每段对话和短文后有几个小题,从题中A、B、C三个选项中选出最佳选项。听每段对话和短文前,你将有时间阅读各个小题,每小题5秒钟,听完后,每小题将给出5秒钟的作答时间。每段对话和短文读两遍。听第11段材料,回答第11、12题。M: Hi, Lily. Why are you in a hurry?W: I’m afraid I will be late for class.M: But we have no classes this afternoon.W: I know. But I am going to French class in a language school.M: French? Are you learning French for fun?W: No,I’m planning to go to France to learn painting.M: Are you? France is the right place.W: Yeah. So I have to improve my French as quickly as possible.M: Good luck, Lily.W: Thank you.听第12段材料,回答第13至15题。请根据短文内容,选择正确答案,完成信息记录表。The best way of learning a language is using it. The best way of learning English is talking in English as much as possible. Sometimes people will say things too quickly and you can't understand them. But if you keep your sense of humor, you can always have a good laugh at the mistakes you make. Don't be sad if people seem to be laughing at your mistakes. It's better for people to laugh at your mistakes than to be angry with you. The most important thing for learning English is:"Don't be afraid of making mistakes because everyone makes mistakes."听第十三段材料,回答第16至20题。Mr. Read and his wife lived in a comfortable house near the sea. During the winter they were quite happy. But every summer their relatives used to come and stay with them, because it was a nice place for a holiday, and it was much cheaper than staying in a hotel. One day in June Mr. Read said to his neighbour, 'My sister is going to bring her family to spend ten days with us next month. How do you prevent all your relatives from coming to live with you in the summer?''That's easy,' his neighbour answered, 'I just borrow money from all the rich ones, and lend it to all the poor ones. After that, none of them have come again.'九年级语文期中考试卷 2012.11本试卷分试题和答题卡两部分,所有答案一律写在答题卡上。考试时间为150分钟。试卷满分为130分。一、积累与运用(共15分)1.下列各组词语中读音和书写全都正确的一项是(3分) (?? )A.怅罔(wǎng) 分道扬镳(biāo) B.恣睢(suī) 销声匿迹(nì)C.瞭望(liáo) 诘据(jié) D.玲珑剔透(tì) 繁衍(yǎn)2.下列句子中加点的词语使用不正确的一项是(2分) (?? ) A.然而,即使是那些被称之为明星的企业,它们也有走麦城的时候。 B.他好久没说话,潦草地吃着山楂片,神情有些沮丧。 C.从事这项科研,年轻的专家责无旁贷地成为主力。 D.某些不遵守交通规则的人,对闯红灯总是不以为然,认为只要不朝汽车撞,总会没事的。3.对下面文段中加点词的解释有错误的一项是(3分) (?? )蒋氏大戚,汪然出涕曰:“君将哀而生之乎?则吾斯役之不幸,未若复吾赋不幸之甚也,向吾不为斯役,则久已病矣。自吾氏三世居是乡,积于今六十岁矣,而乡邻之生日蹙,殚其地之出,竭其庐之入。A.生:使……活下去 B.向:从前C.病:生病 D.蹙:窘迫4.下列句子中没有语病的一句是(2分) (?? )A.考察期间,贺国强特别强调要高度重视解决贫困家庭学生上大学和大学生就业。B.如何管理、认识、把握网络舆论场,已成为全世界各国既关注又十分头疼的问题。C.新时代的教育应该培养学生善于观察、善于思考、善于创造的水平。D.中学时代是记忆力的黄金时期,如果能在此期间多背诵些优秀的诗文,就能打下扎实的文学功底。5.名著阅读选择:请选出下列说法错误的一项(3分) (?? ) A.《格列佛游记》是斯威夫特最具讽刺色彩的小说,讲述了英国船医格列佛因海难等原因,先后来到了大人国、小人国、飞岛以及马国等地的经历。B.《格列佛游记》中,格列佛发现小人国是以绳技来选拔官员的。C.《格列佛游记》通过对“飞岛国”的描述,表达了对现代科技的怀疑,并严词痛斥了殖民统治。 D.《格列佛游记》的第四卷“智马国” 游记中描述了人兽颠倒的怪诞景象,马成了理性的载体,而人则化作下等动物。 6.下面几个句子,排序正确的一项是(2分) (?? ) ①言在此而意在彼,不是说明着什么,而是隐喻着什么②一般说来,优秀的诗篇总是避开直说③读到陶渊明的“采菊东篱下,悠然见南山”时,我们就会知道,它的意思并不限于字面所传达的,它有着更为深远的含义④正常的状况,诗人总是不直接向读者进行灌输,他们只是含蓄地点拨你,然后给你以天女散花般的想象的自由⑤这是诗的一般规律,了解它是欣赏诗歌所必不可少的一种思想准备A. ④①②③⑤ B. ②①④⑤③ C. ②⑤④①③ D. ④②①⑤③二、阅读与赏析(共49分)(一)(12分)故槐里令朱云上书求见,公卿在前,云曰:“今朝廷大臣,上不能匡主,下亡以益民,皆尸位素餐①。臣愿赐尚方斩马剑,断佞臣一人头,以厉其余。”上②问:“谁也?”对曰:“安昌侯张禹!”上大怒曰:“小臣居下讪上,廷辱师傅,罪死不赦。”御史将云下,云攀殿槛,槛折。云呼曰:“臣得下从龙逢、国神比干③游于地下,足矣!未知圣朝何如耳?”御史遂将云去。于是左将军辛庆忌免冠,解印绶,叩头殿下曰:“此臣素著狂直于世,使其言是,不可诛,其言非,固当容之。臣敢以死争。”庆忌叩头流血,上意解,然后得已。及后当治槛,上曰:“勿易!因而辑之,以旌直臣。”——选自《汉书·朱云传》【注】①尸位素餐:居其位食其禄而不管事。 ②上:指汉成帝。 ③龙逢、比干:古代因直谏而被杀的忠臣。7.解释下列句中加点的词。(4分)①下亡以益民 ②使其言是 ③固当容之 ④勿易 8.下列“以”的意义和用法与“断佞臣一人头,以厉其余”的相同的一项是(2分)(?? )A.令辱之,以激怒其众 B.策之不以其道 C.扶苏以数谏故 D.不以物喜,不以己悲9.对文段内容理解有错误的一项是(3分) (?? )A.朱云认为朝廷大臣都尸位素餐,杀张禹可以警戒他人。B.朱云面对“罪死不赦”的重刑,仍然牵挂着朝廷安危。C.辛庆忌力谏不杀朱云,结果被摘掉官帽,解下了官印和绶带。D.汉成帝最后听取了他人的意见,修正了自己的错误。10.用现代汉语翻译文中画线的句子。(3分)①小臣居下讪上,廷辱师傅,罪死不赦。(2分)译: ②未知圣朝何如耳?(1分)译: (二)钟山[注]即事(4分)宋·王安石涧水无声绕竹流,竹西花草弄春柔。茅檐相对坐终日,一鸟不鸣山更幽。[注]钟山,南京的紫金山。王安石弃官后居住在这里。11.阅读上面的一首诗,回答问题。①古典诗词讲究炼字,诗歌前两句中“绕”和“弄”字用得好,请你说说好在哪里。(2分) ②末尾两句表达了作者什么样的心情?(2分) (三)(4分)①碧蓝的天空,铺过来一层蚕丝般的云幕,不一会儿,太阳周围现出一道彩色光环。它宛若彩虹,但没有彩虹鲜亮;虹的色彩排列是内紫外红,而光环刚好相反,是外紫内红。这就是“晕”,俗称“风圈”。? ? ②我们的祖先,很早就对“晕”进行了观察和记载。远在殷墟甲骨文中,已有“晕”字出现。到了西周,“晕”便正式作为天象被记录下来。而欧洲人直到1630年,才有关于“晕”的详细记载,比我国晚了一千多年。? ? ③人们虽然很早就注意到了这种美丽的光象,但对它的成因作出科学的解释,则是近一二百年的事。1666年,牛顿做了一个很简单的但对后来科学发展影响很大的实验。他让一束阳光透过三棱镜,结果出现红、橙、黄、绿、蓝、靛、紫的七色彩条。这使人类第一次认识到,阳光原来是由七种不同颜色的光组成的,当它们通过三棱镜时,由于波长、折射角不同,才显示了各自的本色。这一发现,给“晕”的科学解释打下了基础。? ? ④探空资料表明,那白如蚕丝的云幕,其高度都在距地面5000米以上,是由六方柱体状的小冰晶组成的。如果把六方柱体不相邻的边延长,实际上就是三棱柱体。所以,六方柱体状的冰晶就像三棱镜一样,能把阳光分成七色彩条。当无数兆亿小冰晶被阳光照射后,各色光按一定角度折射出来,便形成了绚丽多彩的晕环。? ? ⑤人们对“晕”的兴趣,不单因为它有斑斓的色彩,而且由于它是天气变化的一种前兆。据我国新疆阿勒泰地区统计,在1980天中就曾出现过1052次“晕”,“晕”后两天内出现风、雨等显著天气变化的占80%。? ? ⑥不过,也不是所有的“晕”都是风雨之兆。气象工作者经过长期观察发现:当“晕”的持续时间在1小时以内(俗称“短晕”)时,未来的12小时—36小时内会出现风或雨;当“晕”的持续时间在5小时以上(俗称“长晕”)时,则不会有风雨天气出现。? ? ⑦美丽的晕环是大自然的天气预告图,我们了解并利用它来观测风云,可以更好地安排工作和生活。12.第①段是从哪两方面来说明晕和彩虹的不同的?(2分) 13.第⑥段除了运用列数字的说明方法外还用了哪种说明方法?作用是什么?(2分) (四)钱的极点(4分)①小时候猜一道智力题,问:从地球上的什么地方出发,无论往哪里走,都是朝向南? 答案是:北极。现在无论同谁聊天,无论从哪说起,都会很快谈到钱。钱成了当今社会的极点。 ②我当过许多年的医生,虽是无钱之人,却凭医疗常识,想像钱的功能是有限的,理由从人的生理结构而来。钱能买来山珍海味,可再大的富豪也只有一个胃,一个胃的容积就那么大,至多装上两三斤的食物,外加一罐扎啤,也就物满为患了。你要是愣往里揣,轻则是慢性胃炎,重了就是急性胃扩张,后者有生命危险呢。更不用说,长期的膏粱厚味,引起高胆固醇糖尿病等等。钱能买来绫罗绸缎,可再娇美的妇人也只有一副身段,一次只能向世人展现套在身体最外层的那套衣服。③人和动物在结构上实在是大同小异,从翩飞的蝴蝶到一只最小的蚂蚁,都有腹腔和眼睛。人和动物最大的区别就在于思想,而恰恰在这一面钢铁盾牌面前,金钱折断了蜡做的枪头。比如理想,比如亲情,比如自由……都是金钱的盲点。它们可以因了金钱而卖出,却不会因了金钱而被买进。金钱只是单向的低矮的闸门,永远无法积聚起情感的洪峰。 ④造物给予人的躯体是有限的,作为补偿,造物给人以无限的精神。人的躯体的每一个细微之处,都是很容易满足的。造物以此来制约人对物质的欲望,鼓励思想的飞翔。于是人类在有了果腹的兽肉和蔽体的树叶之后,就开始创造语言、绘画和音乐……积蓄了一代又一代的精华,于是我们有了文学,有了艺术,有了哲学的探讨和对宇宙的访问……那都是永无穷尽的奥妙啊,只要人类存在一天,就会上天入地呕心沥血地寻找与提炼。 ⑤我们现在是站在钱的极点上,但人们在新的一轮物质需要满足之后,回过头来仍然要皈依精神。精神才是人类最大的财富。14.通读全文,用自己的语言简要地概括作者的观点。(2分)答:________________________________________________________________________ 15.本文第③自然段中的画线句运用了什么论证方法?有何作用?(2分)答:________________________________________________________________________ (五)花开的声音(15分)花开也有声音么?一个夏季的晚上,我在住家的阳台上,就捕捉到昙花开放的声音。那棵昙花的花苞早在两三天前就显露出了雏形,这个“雏形”的花苞越来越大,在枝头垂首有如纺锤。那一夜,我估摸它会开放的,便在阳台彻夜守护着,耐心地等待,等待。近午夜十一时,那美好的时刻终于在焦灼的期待中来到了。它的花苞慢慢地鼓胀起来,好像原先干瘪的气球一下子灌进了风,紧接着,我便听到一声"噗"的响动,那是我盼望已久的昙花开放的声音。只见那由许多纤长洁白的花瓣组成的花蕊,快速、灿然地开放了。痴迷间,眼前仿佛跳出了一个长袖善舞的倩女,只一刹那,便羞煞了天际那半轮夏月,那美的光焰,撒向城市街道,使夜的峡谷为之闪闪发亮。 除了昙花,我还真切地听到茶花开放的声音。茶花的开放可不是那种 “急性子”,早在夏季时,它的蓓蕾就在枝叶间开始孕育,开头只有一粒米那般大小,和叶芽的形状几乎难以分辨,过了好几天,它的雏形才微微显露出来,又再过几天,它那结实的体态和叶芽松动的体态才泾渭分明。茶花花苞的长大,是一个漫长的过程,就像一个长途旅者,走过了夏天,又走过了秋天,到了冬季,那一头尖的椭圆花苞,那花瓣如鳞片重重包裹的花苞,才终于展现在你的面前,但距离开放仍有些日子。我栽在阳台的那一株茶花,叫"五宝茶花",枝头共有十几个花苞,它们之间好像有个约定,谁先开谁后开。那一天是休息日,我终于看到第一颗准备开放的花苞有些异样了,它在微微地颤动、颤动,仿佛是个睡美人,在阳台上睡了许久、许久,此刻才在深绿色的枝叶间苏醒,惺忪的眼眸,抖动的睫毛,微微地张开,张开。那张开的声音,和昙花的那一声"噗"完全相反,它是那么细微,那么柔和,那么舒缓。昙花开放的声音是短促的,茶花开放的声音是悠长的,不管短促或悠长,都是那么动听,那么迷人。由此我认定:花开的声音是自然界一种最美妙的乐曲,或者说是一种天籁吧! 花儿这样,世界上一切美好的事物何尝不是如此。当它突然出现时,也会有一种异样的信息,一种类似花开的声音,那是一种文明之花开放的声音。美好事物的孕育、萌发、成熟,也有个渐进的过程,或许中间还会出现一波三折,受到某种压抑和禁锢。当它“破茧而出”或“破墙而出”时,会出现多大的冲击波啊,那一瞬间闪亮的冲击,给人带来的是一种无限的惊喜。这种声音,你只有保持一份纯净、洁白的心态,于细微处才能听到。对于美好的事物,不要有疏离感,要把它置于自己的关爱之下,用自己的羽翼和体温去为它孵化和催生,这样,你就可以及时地听到另一种“天籁”了。 长时间以来,我都迷恋于谛听各种花开的声音。我始终认为,在人世间,倾述是一种方式,谛听也是一种方式。一个人能听到花开的声音是十分幸福的,因为花开的那一刹那,会最充分地展开事物的内秀和外美,会给你带来一种审美的愉悦和情感的满足。 (选自2011年第1期《南方》,有改动)16.题目“花开的声音”的深层含义是什么?怎样才能听到这种声音?(3分) 17.文中画线句子使用了哪些修辞方法?请简要分析其表达效果。(4分)“痴迷间,眼前仿佛跳出了一个长袖善舞的倩女,只一刹那,便羞煞了天际那半轮夏月,那美的光焰,撒向城市街道,使夜的峡谷为之闪闪发亮。” 18.从全文看,作者为什么“迷恋于谛听各种花开的声音”?(4分) 19.观照全文,作者如何由物及理,从自然之花联想到“世界上一切美好的事物”?请简要分析。(4分) (六)(10分)20.根据课文默写。(10分)① 蒹葭苍苍, 。 ② ,在河之洲。 ③ 陈涉太息曰:嗟乎, 。 ④ ,固国不以山溪之险。 ⑤土地平旷,屋舍俨然, 。 ⑥ ,后天下之乐而乐。 ⑦浮光跃金, 。 ⑧ ,猿则百叫无绝。 ⑨ ,望峰息心。 ⑩ 且壮士不死即已,死即举大名耳, 。三、表达与交流(共66分)(一)(6分)21.材料一:近年来,我国不少人喜欢过西方的一些节日,如圣诞节、愚人节、父亲节、母亲节、感恩节等。材料二:据报道,春节期间,纽约帝国大厦亮起了代表喜庆和吉祥的彩灯向华人拜年,农历大年初一被定为该州的法定节日。在英国,近50万人从英国各地聚集到有“伦敦心脏”之称的特拉法加广场和唐人街,看龙腾狮舞,品中国小吃,享受鞭炮声和欢笑声中浓浓的中国年味。你对上面两则材料中所述现象有何看法?请简要阐述。字数不少于80字。(二)(60分)22.阅读下面的文字,根据要求作文。凝视,按《现代汉语词典》的解释,意思是:聚精会神地看。其实“凝视”有着更为丰富的情味:凝视山水,你会增长一些感动;凝视亲人,你会生发一份情感;凝视社会,你会升华一种认识。请结合自身经历,以“凝视”为题,写一篇文章。要求:文中不可以出现真实的姓名,可用“××”表示。字数不少于600字。九年级语文期中考试参考答案 2012.11一、积累与运用(共15分)1.B (3分) 2. D(2分)(不以为然指不认为是对的。表示不同意或否定。这里应该用不以为意) 3.C (3分) 4. D(2分)(A.缺少宾语 B.语序不当 C.搭配不当) 5.A(3分) 6. B(2分) 二、阅读与赏析(共49分)(一)(12分)7.①同“无” ②假使、假如 ③本来 ④更换 (每小题1分,共4分)8.A(2分) 9.C(辛庆忌是自己摘掉官帽,解下官印和绶带的。)(2分)10.①你是一个小官居于下位而毁谤上级,在朝廷上侮辱我的老师,处以死罪,决不宽恕!(2分)②不知圣明的汉王朝将会怎样(会有什么下场)!(1分)(二)钟山[注]即事(4分)11.①“绕”和“弄”用拟人手法(1分),使涧水和花草显得有灵性,充满生机与活力,更添对春天的喜爱之情。(1分)②表达了作者弃官退居故乡后闲适恬淡的心情。(要联系注解回答)(2分)(三)(4分)12.(1)鲜亮的程度 (2)色彩的排列13.分类别 条理清晰地说明了不是所有的“晕” 都是风雨之兆(或答“短晕兆风雨,长晕天不变”等也可)(四)钱的极点(4分)14.钱是当今社会的极点,但精神才是人类最大的财富。(2分)15.比喻论证。形象生动地阐述了金钱在思想面前不堪一击,突出了思想的重要性。(2分)(五)花开的声音(15分)16.文明之花开放的声音。(1分) 保持纯净、洁白的心态;于细微处谛听;对美好的事物要付出关爱。(答到其中一点给1分,答到两点给2分)17.比喻、拟人、夸张。(答到1个不给分,答到2个给1分,答到3个给2分)生动形象地凸现昙花破蕊而开的迅捷,开放瞬间的灿然美好。(2分)18.花开的声音是自然界最美妙的乐曲,(2分)能听到花开的声音是十分幸福的。(2分)19.作者先写昙花、茶花开放的声音动听、迷人,由此认定自然之花开放的声音是一种天籁;(2分)继而联想到"世界上一切美好的事物"突然出现时,都会给人带来同样的惊喜,要用心谛听,感受其审美的愉悦和情感的满足。(2分)20.略三、表达与交流(共66分)21.参考答案:观点一:我们要继承民族文化遗产。观点二:过节,只要快乐就行。观点三:正确引导,健康过节。示例:正确引导,健康过节。所谓“节日”,就是一种纪念性的日子,过节就是精神的洗礼。不论是过中国的传统节日,还是过外来的“洋节日”,都可视为文化的折射与传播,我们应该“取其精华”,让我们的生活更加丰富多彩,精神家园更加温馨。每一个人对节日的看法与过法不一样,我们应该加以正确引导,让那些节日过得更加健康,更有意义。得分点:(1)结合材料,态度鲜明、观点具体明确(2分)(2)阐述应结合材料,紧扣观点,条理清晰,言之有理。(3分)(3)语言表达准确流畅(1分) 展开更多...... 收起↑ 资源列表 江苏省无锡市惠山区2013届九年级上学期期中考试化学试题.doc 江苏省无锡市惠山区2013届九年级上学期期中考试数学试题.doc 江苏省无锡市惠山区2013届九年级上学期期中考试物理试题.doc 江苏省无锡市惠山区2013届九年级上学期期中考试英语试题.doc 江苏省无锡市惠山区2013届九年级上学期期中考试语文试题.doc