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2018年浙江省宁波市中考化学试卷一、选择题(共6小题,每小题3分,满分18分)树立和践“绿水青山就是金山银山的理念建设美丽宁波下列做法不符合该理念的( A.对河道开展清淤保洁工作 B.提倡步行或骑单车等出行C.燃煤发电厂安装脱硫装置 D.提倡焚烧秸秆增加土壤肥2.在粗盐提纯的实验中,下列操作不规范的是( )A.称量B.溶解C.过滤 D.蒸3.如图是某化学反应的微观示意图。下列说法中错误的是( )甲是最简单的有机物反应前后原子种类没有发生改变1:2一个甲分子是由两个氢分子和一个碳原子构成三氧化二(化学式通常情况下是一种无色无味的气体可溶于水与水反应生成草酸且温下不稳定,其他的化学性质与一氧化碳相似。下列有关三氧化二碳说法错误的是( )A.C2O3中碳元素的化合价为+4B.三氧化二碳具有还原性C.在空气中燃烧的产物为二氧化碳D.与氢氧化钠溶液反应可生成盐实验小组第一组第二组第三组第四组5.20℃NaCl,50g实验小组第一组第二组第三组第四组水的质量/g50505050所取NaCl的质量/g15202530剩余NaCl的质量/g02712下列说法错误的是( )A.20℃时,50gNaCl18gNaClB.用蒸发的方法可以使不饱和溶液变成饱和溶液C.D.相同温度下,NaCl在水里的溶解度与水的质量无关向盛有20g10%氢氧化钠溶液的烧杯中逐滴滴入7.3%的稀盐酸,下列是关于溶液总质量或溶液pH盐酸质量变化的关系图(Q点表示恰好完全反应。其中正确的是( )A.B.C.D.二、解答题(共5小题,满分0分)如图是用铜丝绕成的锥形螺旋罩,置于酒精灯火焰上方。随着铜丝罩的垂直下移,可观察到酒精灯火焰越来越小,最终完全熄灭。铜丝在空气中受热,表面会产生黑色的 (填化学式。表面变黑的铜丝下移过程中遇到酒精蒸气,又会变光亮的红色,这是因为黑色物质发生了(填“氧化”或“还原“)铜丝具有良好的导热性,能将热量很快散失,使酒精蒸气的温度低于 ,从而使酒灯火焰熄灭。﹣(1)A物质是 (填化学式。(2)C与E反应的基本类型是 。从物质反应规律分析在单质氧化物酸碱和盐中能与B反应生成D的物质有 (序号。A.2类 B.3类 C.4类 D.类132.8g/1000mL.柠檬酸与碳酸钠反应的化学方程式为:2C6H8O7+3Na2CO3═2C6H5O7Na3+3CO2↑+3H2O。500mL实验步骤步骤一步骤二步骤三步骤四操作过程倒出三分之二pH在剩余雪碧中加6gNa2CO3测溶液pH现象或结果pH约为3产生大量气泡气泡消失,瓶子略瘪pH约为9【发现问题】CO2去哪儿了?【提出猜想】①CO2被溶解了;②CO2与H2O发生了反应;③CO2与Na2CO3溶液发生了反应。小思否定猜想①和②,其理由是 。【设计实验】对猜想③进行实验探究。实验编号实验一实验二实验三实验四实验装置操作过程Na2CO3溶液中滴加CaCl2溶液Na2CO3溶液中通入过量CO2CaCl2CO2,加入30mLNa2CO3盖上瓶盖摇匀将实验三的溶液低温蒸发、干燥,得到的白色粉末按如图所示装置进行实验实验现象产生白色沉淀无明显变化瓶变瘪,瓶底有晶体析出A试管口有水滴,澄清石灰水变浑浊根据实验探究过程,回答下列问题:设计实验一的作用是 。实验四中A试管口略向下倾斜,其目的是 。根据实验探究得出:CO2与Na2CO3溶液反应的化学方程式: 。0.87g/cm311.6g26.4gCO210.8gH2O。含有丁酸乙酯的物品应远离火源若丁酸乙酯燃烧 (“能或不能用水来火。丁酸乙酯可与油类互溶,这种性质属于 性质。丁酸乙酯中碳元素和氢元素的质量比为 。CuCl2FeCl2FeCl2的质量分数,进行如下实验:①取200g混合溶液加入足量的AgNO3溶液,经过滤、洗涤、干燥、称量,得到143.5gAgCl固体;实验组别一二三四五混合溶液质量/g200200实验组别一二三四五混合溶液质量/g200200200200200铁屑质量/g69121518析出铜的质量/g6.49.6m1616请分析计算:表中第三组实验的m值为 。第 组实验恰好完全反应。铁屑中铁的质量分数为多少?(0.1%)FeCl2的质量分数为多少?(0.1%)1.D。2.B。3.D。4.A。5.A。6.B。7(1)CuO(2)(3)着火点。8(1)Fe(2)(3)C;9(1)(2)(3)Na2CO3+H2O+CO2=2NaHCO3。10(1)(2)(3)6:1。11.根据给出的数据可以看出,每加入3g的铁粉,对应的铜的质量为3.2g,所以第三组时m=3.2g×4=12.8g,15g16gx,CuCl2yFe+CuCl2=FeCl2+Cu56 135 6415gx y 16g==x≈93.3%y=33.75g设氯化铜对应的氯化银的质量为zCuCl2∽∽∽2AgCl↓135 28733.75g z=z=71.75g则氯化亚铁对应的氯化银的质量为143.5g﹣71.75g=71.75g则原混合溶液中FeCl2的质量分数为aFeCl2∽∽∽2AgCl↓127 287200ga 71.75g=a=15.9%(1)m12.8。第四组实验恰好完全反应。93.3%。FeCl215.9%。2018年浙江省宁波市中考物理试卷一、选择题(51-1031-15355下列事例中,改变物体内能的途径与其他三项不同的是( )A.柴火烧水 B.压缩空气发热C.冬天搓手取暖 D.钻木取火我国未来的航母将采用自行研制的电磁弹射器。电磁弹射器的弹射车与飞机前轮连接,并处于强磁下列设备或用电器工作原理一致的是()A.电铃 B.手摇发电机C.电风扇 D.电磁起重机形地砖具有更好的导热性和渗水性。关于形成“雪馒头”景观的解释肯定不合理的是()空气温度较低是“雪馒头”得以保留的原因之一方形地砖导热性差是形成“雪馒头”景观的原因之一太阳辐射导致条形砖上方的雪比方形地砖上方的雪更易熔化地表热量易通过条形砖及四周缝隙传递,使条形砖上的雪更易熔4.如图是正常家庭电路的一部分。下列说法正确的是( )B220V测电笔先后插入插座的左右插孔,氖管都发光电冰箱的插头插入三孔插座能使电冰箱的金属外壳接地Sab如图所示,F1=4N,F2=3NAB0.1m/sA的是()A.F2的功率为0.6W9NAF2A二、填空题(本题共3小题,每空2分,共36分)为了研究眼的成像原理,小科自主研制了如图所示的实验装置。用水透镜模拟眼的晶状体,通过注水或抽水可改变水透镜凸度大小光屏和水透镜固定在光具座如图所示的位置点燃蜡烛后调节水透镜凸度直至光屏上成一个清晰倒立 (“放大“等大“缩小的实像若将点燃的蜡烛向左移动一小段距离要使光屏上重新得到清晰的像应对水透镜 (“注水或“抽水。在“观察从斜面滑下的小车在水平面上的运动”活动中,小车在相同斜面顶端由静止释放,沿斜面下滑到达底端在毛巾、棉布和木板上向前运动一段距离,分别停在如图所示位置。小车在相同斜面顶端由静止释放,是为了使小车到达水平面时的 相同。小车所受阻力越小运动距离越远如果运动的物体在 的理想情况下它将保原来的速度一直运动下去。300多年前,伽利略曾采用类似的方法得出相同的推论。实验中小车在棉布木板表面克服阻力做功的功率分别是P1P2则P P2(“>“=”或“<)ba示数随电流表示数变化的图象如图乙所示。图乙中 (填“dc”或“ec)表示电压表V2的示数随电流表示数变化的图象。该过程中电路消耗的总功率最大值为 W。三、实验探究题(本题共2小题,每空3分,共39分)据报道,高空坠物伤人事件时有发生。某专业研究小组对物体从高空落到地面的破坏力进行如下实验研究实验器材:1cm厚的石膏板若干、质量为50g的鸡蛋数枚实验过程:无风环境下,将鸡蛋从楼上静止释放,砸中铺在草坪上的石膏板,记录实验现象实验序号楼层实验现象15鸡蛋破碎,石膏板凹陷且出现一圈圈螺旋状的裂纹215鸡蛋破碎,石膏板被砸中的地方出现小坑且破裂325鸡蛋破碎,发出巨响,石膏板被击穿实验中,鸡蛋从高空坠落的破坏力可以通过 反映出来。根据实验现象,可以得出:同一物体从高空落到地面的破坏力与 有关。实验后,小科对“高空落下的雨滴不会对人造成伤害”感到好奇。他通过查阅资料知道:雨从高空落下的过程中受到的空气阻力与雨滴速度的平方成正比达到最大速度后雨滴匀速落向面。雨滴下落过程中机械能 (填“增大“不变”或“减。对于下落的雨滴不伤人现象,小科将进一步探究。100mS1mm20.017Ω。利用图甲所示的实物图测出铜导线的电阻。①实验中,小科在闭合开关前应将滑片P置于最 端(填“左”或“右。②小科通过移动滑片P,测得多组数据,绘制成U﹣I图象如图乙,据此可以判定这卷导线的实际长度 100m(填“大于“等于”或“小于)小思认为用电子秤测出这卷导线的质量m,利用铜的密度ρ也可以算出实际长度。请你写出这卷导线实际长度L的计算式:L= (用字母表示。四、解答题(32728、296304317329分,第33小题12分,共50分)P,2﹣3cm,用力吹气,如图所示,发现切口处有水沿水平方向喷出。请你运用科学知识解释此现象形成的原因。若不小心吸入笔帽,人体在用力吸气时,通过该笔帽通气孔的气体流速可达20m/s。为确保生命安全,人体与外界通气量要达到1.36×10﹣4m3/s,则通气孔的面积至少为 mm2。1.3×104Pa,笔帽的横截面积约为0.85cm2,医生至少需要 N的力才能将笔帽取出(计算果精确到0.1N。医学上抢救气管异物堵塞的标准方法是:急救者从背后环抱患者,用力向患者上腹部施压,从而排出异物被称“生命的拥抱此方法应用的科学原理是一定质量的气体体积 时压强增大。压敏电阻受到的压力F/N60120180240300360420480…压敏电阻R阻值/Ω50036026018012080压敏电阻受到的压力F/N60120180240300360420480…压敏电阻R阻值/Ω500360260180120806555…水泵正常工作。请按要求完成图中工作电路的连接。“发电玻璃”光电转化率接近18%.要求在5h内对控制电路的蓄电池充满电,则选用的“发电玻璃”面积至少为 m2(太阳能辐射到每平方米地面上的平均功率按1000W计算,计算果精确到0.1m2)360N,通过电磁铁线圈的电流为100mA,排水泵启动;当水位回落到浮体只有体积浸入水中时,硬质杠杆ABO仍30mA,排水泵停止工作,则小科应选择重力为多大的浮体?在实际调试过程中,小科发现水位已达到安全位置上限,但排水装置还未启动。如果在其他条件保持不变的前提下要使排水装置符合设计要求应该将与压敏电阻相连的压板向 “左或“右)移动。1.A。2.C。3.C。4.C。5.D。6.缩小;抽水。7(1)(2)(3)>。8(1)dc;36。9(1)(2)(3)减小。(1)①为了保护电路闭合开关前滑片在阻值最大处即左右端;②由图象知:R==1m0.017Ω,所以导线的总长度为L线==94.11m<100m;(2)m,铜的密度这卷导线的体积:V=;这卷导线的长度:L== 。PP(1)V=Shm2=6.8mm2;由题意知,人对笔帽的力应等于笔帽受到的内外压力差,由公式得,医生所用力为:F=ΔF=ΔpS=1.3×104Pa×0.85×10﹣4m2≈1.1N;压强变大,从而把异物压出体外。13(1A电流较小(不能吸引衔铁,电磁继电器衔铁在弹簧作用下被向上拉起,动触点与上方静触点接通,反之与下方静触点接通;220V,所以红灯与水泵间并联,由此画出工作电路图连接情况如图所示:;(2)蓄电池充满电时储存的电能:W=UIt=12V×100A×3600s=4.32×106J=1.2kW•h,由题知,发电玻璃光电转化率接近18%,在5h内对控制电路的蓄电池充满电,太阳能辐射到每平方米地面上的平均功率1000W=1kW,设“发电玻璃”面积至少为S,所以有:18%×1kW/m2×S×5h=1.2kW•h,解得:S≈1.3m2;RR0I=100mA=0.1A,由串联电路特点和欧姆定律可得,定值电阻的阻值:R0=R总﹣R=﹣R=﹣80Ω=40Ω,AFABAB:BO=4:1,AO:BO=5:1,根据杠杆的平衡条件有:FA×LOA=FB×LOB,则:FA==360N×=72N,因为力的作用是相互的,所以A端对浮体向下的压力:FA'=FA=72N,由力的平衡条件可得,此时浮体受到的浮力:F浮=G+FA'=G+72N﹣﹣﹣﹣﹣﹣①当浮体只有体积浸入水中时,由阿基米德原理可得此时的浮力:F浮'=F浮,此时控制电路中电流为30mA=0.03A,由串联电路特点和欧姆定律可得,此时压敏电阻的阻值:R'=R总'﹣R0=﹣40Ω=360Ω,由表中数据知,压敏电阻受到压力FB'=120N,由杠杆平衡条件有:FA'×LOA=FB'×LOB,所以:FA'==120N×=24N,同理可得,此时浮体受到的浮力:F浮即:F浮=G+24N﹣﹣﹣﹣﹣﹣﹣②解①②可得:F浮=80N,G=8N;8N水位已达到安全位置上限,排水装置还未启动(说明控制电路的电流减小应减小控制电路中的电阻以增大控制电路中电流,从而使电磁铁磁性增强吸下衔铁,RA一、选择题

浙江省宁波市2018年中考数学试卷1.在-3,-1,0,1这四个数中,最小的数是( )A.-3 B.-1 C.0 D.1(宁波416参观总人数超55万人次.其中55万用科学记数法表示为( )A. 0.55×106 B.5.5×105 C.5.5×104 D.0.55×104下列计算正确的是( )A.a3+a3=2a3 B.a3·a2=a6 C.a6÷a2=a3 D(a3)2=a5有五张背面完全相同的卡片正面分别写有数字把这些卡片背面朝上洗匀后从随机抽取一张,其正面的数字是偶数的概率为( )A.B.C.D.已知正多边形的一个外角等于40°,那么这个正多边形的边数为( )A.6 B.7 C.8 D.96( )主视图 B.左视图C.俯视图 D.主视图和左视图如图在▱ABCD中对角线AC与BD相交于点OE是边CD的中点连结OE若则∠1的度数为( )A.50° B.40° C.30° D.20°若一组数据4,1,7,x,5的平均数为4,则这组数据的中位数为( )A.7 B.5 C.4 D.3如图在△ABC中,∠ACB=90°,∠A=30°,AB=4,以点B为圆心,BC长为半径画弧交边AB于D,则的长为( )B. C. D.如图平行于x轴的直线与函数(k1>0x>0y=(k2>0x>0的图像分别交于A,B两点,点A在点B的右侧,C为x轴上的一个动点.若△ABC的面积为4,则k1-k2的值为( )A.8 B.-8 C.4 D.-4如图二次函数y=ax2+bx的图象开口向下且经过第三象限的点若点P的横坐标为-1,则一函数y=(a-b)x+b的图象大致是( )B.C. D.在矩形ABCD内,将两张边长分别为a和b(a>b)的正方形纸片按图1,图2两种方式放置(图图2中两张正方形纸片均有部分重叠,矩形中未被这两张正方形纸片覆盖的部分用阴影表示,设图1中阴影部分的面积为S1,图2中阴影部分的面积为S2.当AD-AB=2时,S2-S1的值为( )2a B.2b C.2a-2b 二、填空题13.计算:|-2018|= 。要使分式有意义,x的取值应满足 。已知x,y满足方程组,则x2-4y2的值为 。如图,某高速公路建设中需要测量某条江的宽度AB,飞机上的测量人员在C处测得A,B两点的角分别为45°和30°.若飞机离地面的高度CH为1200米,且点H,A,B在同一水平直线上,则这条江的宽度AB 米(结果保留根号.如图正方形ABCD的边长为8,M是AB的中点,P是BC边上的动点连结PM,以点P为圆心,PM长为半径作⊙P.当⊙P与正方形ABCD的边相切时,BP的长为 。如图在菱形ABCD中是锐角于点是AB的中点连结若∠EMD=90°,则cosB的值为 。三、解答题19.先化简,再求值(x-1)2+x(3-x,其中x=.5×3,△ABC1BD,BD∥AC,D2BE,BE⊥AC,E23(t小时0≤t<2,2≤t<3,3≤t4,t≥4A,B,C,D图,由图中给出的信息解答下列问题:求本次调查的学生人数;B12003≤t<422.已知抛物线经过点(1,0(0,。求该抛物线的函数表达式;将抛物线平移使其顶点恰好落在原点请写出一种平移的方法及平移后的函数表达式.如图,在△ABC,∠ACB=90°,AC=BC,DAB(DA,BCD,CDC90°CE,DEBCF,BE.求证:△ACD≌△BCE;AD=BF∠BEF20002400件进价比甲种商品每件进价多8元,且购进的甲、乙两种商品件数相同.求甲、乙两种商品的每件进价;60为88元.销售过程中发现甲种商品销量不好,商场决定:甲种商品销售一定数量后,将剩余的甲种商元,问甲种商品按原销售单价至少销售多少件?若一个三角形一条边的平方等于另两条边的乘积,我们把这个三角形叫做比例三角形.已知△ABC,AB=2,BC=3.AC1,ABCD,AD∥BC,BDABC,∠BAC=∠ADC.求证:△ABC例三角形;如图2,在(2)的条件下,当∠ADC=90°时,求的值。如图1直线l:与x轴交于点(40与y轴交于点B点C是线段OA上一动点(0<AC<,以点A为圆心,AC长为半径作⊙A交x轴于另一点D,交线段AB于点E,连结OE并延长交⊙AF.ltan∠BAO2,CE,CE=EF①求证:△OCE∽△OEA;②求点E的坐标;COAOE·EF1.A2.B3.A4.C5.D6.C7.B8.C9.C10.A11.D12.B13.201814.x≠115.-1516. 17.3或 18.19.解:原式=x2-2x+1+3x-x2,=x+1,∵x=时,∴原式=+1=.20(1)BD(2)如图所示:线段BE为所求作的线段.21(1)解:20÷10%=200(人).200(2)D200×45%=90(人B200-20-60-90=30(人;等级B所在扇形的圆心角度数为×360°=54°.B补全条形统计图如图所示:(3)解:1200×=360(人).答:估计每周课外阅读时间满足3≤t<4的人数有360人。22(1)解:把(1,0)和(0,)代入,得 ,解得 ,∴抛物线的函数表达式为:.(2)∵=,∴顶点坐标为(-1,2,∴抛物线平移,使其顶点恰好落在原点的一种平移方法:先向右平移1个单位长度,2平移后的函数表达式为:.23(1)CDC90°CE,∴∠DCE=90°,CD=CE,又∵∠ACB=90°∴∠ACB=∠DCE.∴∠ACD=∠BCE.在△ACD和△BCE中,∵CD=CE,∠ACD=∠BCE,AC=BC,∴△ACD≌△BCE(SAS,(2)解:∵∠ACB=90°,AC=BC,∴∠A=45°由(1)知△ACD≌△BCE,∴AD=BE,∠CBE=∠A=45°,又∵AD=BF,∴BE=BF,∴∠BEF=∠BFE==67.5°.24(1)x(x+8)根据题意,得=,解得x=40.经检验,x=40是所列方程的解,且符合题意,∴x+8=48.答:甲种商品的每件进价为40元,乙种商品的每件进价为48元.(2)解:设甲种商品按原销售单价销售a件,由(1)可得,购进的甲、乙两种商品的件数都为50件,根据题意,得解得:a≥20.答:甲种商品按原销售单价至少销售20件25(1)或或 .证明:∵AD∥BC,∴∠ACB=∠CAD,∴△ABC∽△DCA,∴=,CA2=BC·AD,又∵AD∥BC,∴∠ADB=∠CBD,∵BD∠ABC,∴∠ABD=∠CBD,∴∠ADB=∠ABD,∴AB=AD,∴CA2=BC·AB,∴△ABC是比例三角形.AAH⊥BDH,∵AB=AD,∴BH=BD,∴AD∥BC,∠ADC=90°,∴∠BHA=∠BCD=90°,又∵∠ABH=∠DBC,∴△ABH∽△DBC,∴=,∴AB·BC=DB·BH,∴AB·BC=BD2,又∵AB·BC=AC2,∴BD2=AC2,∴= .26(1)解:把A(4,0)代入,得×4+b=0,b=3,∴直线l的函数表达式为,∴B(0,3,∵AO⊥BO,OA=4,BO=3,∴tan∠BAO=.AF,∵CE=EF,∴∠CAE=∠EAF,又∵AC=AE=AF,∴∠ACE=∠AEF,∴∠OCE=∠OEA,∴△OCE∽△OEA.②解:如图,过点E作EH⊥x轴于点H,∵tan∠BAO=,∴设EH=3x,AH=4x,∴AE=AC=5x,OH=4-4x,∴OC=4-5x,∵△OCE∽△OEA,∴=,OE2=OA·OC,∴(4-4x)2+(3x)2=4(4-5x,解得x1=,x2=0(不合题意,舍去)∴E(,).AAM⊥OFM,OON⊥ABN,∵tan∠BAO=,∴cos∠BAO=,∴AN=OA·cos∠BAO=,AC=AE=r,∴EN=-r,∵ON⊥AB,AM⊥OF,∴∠ONE=∠AME=90°,EM=EF,又∵∠OEN=∠AEM,∴△OEN∽△AEM,∴=,即OE·EF=AE·EN,∴OE·EF=2AE·EN=2r(-r,∴OE·EF=-2r2+r-2(r-)2+(0<r<,∴当r= 时,OE·EF有最大值,最大值为 .一、完形填空

浙江省宁波市2018年中考英语试卷A、B、C、DItdoesnotalwayscomeeasytodiscoveroneself.Fromayoungage,IhadastrongofwhoIwastobecome,(1)anaccidentmademeredefine)myself.Tome,skatingwasaboveall.Therewas(2)inthisworldthatfilledmyheartwithsuchjoy.Ispenttwenty-fourhoursaweekpracticingmy(3).Havingnosociallifeorinterestsbutskating,mydevotion()broughtmefirstplacemedalsinevery(4).Unfortunately,inoneshow,Ifelldownandhurtmyself (5) .AfterseveralandMRI(磁共振)scans,the (6) (told)methatIcouldn'treturntomysportanyThepaininmybackwashardtobearandeventhe (7) dailytasksbecamedifficult.Asmypassion(激情)was (8) ,IhadlittlesenseofwhoIwastobecome.eightmonthsofsuffering,somethinghadto (9) .Insteadofwastingmydayssittingaroundpainfully,Ibegantoputmy (10) intolocalcommunityserviceprojects.volunteering (11) aswimmingteacherandsummerreadingassistantforkids,IgotanideaofwhoI (12) tobecome.Afterafewmonths,Idevotedtimetomyinterestthearts.LittlebyLittle,I (13) outoftheshadow(阴影)andrebuiltmyconfidence.Sometimes,some(14)rocksblock)ourway.Wecanchoosetostayortrytoclimbover.Myaccidentwasarockthat(15)tostopmefromreachingsuccess.TodayI'maveryconfidentandoptimisticperson.(1)A.andB.but C.or D.so(2)A.everythingB.somethingC.nothingD.anything(3)A.skillsB.behaviorsC.thoughtsD.habits(4)A.meeting B.party C.concert D.competition(5)A.quickly B.softly C.badly D.slowly(6)A.waiter B.doctor C.teacher D.policeman(7)A.useful B.basic C.proper D.busy(8)A.foundout B.broughtback C.wakenup D.takenaway(9)A.change B.remain C.leave D.arrive(10)A.energy B.duty C.wealth D.spirit(11)A.with B.for C.as D.to(12)A.wanted B.started C.promised D.lived(13)A.ranB.jumpedC.stoodD.stepped(14)A.smallB.largeC.uglyD.round(15)A.managedB.helpedC.failedD.continued二、阅读理解A、B、C、DAslongaseveryonecontributesalittle,theworldwillbecomeamuchbetterplace.Mostpeoplearekind-heartedandwanttolendahelpinghand.Nowlet'ssharesomememorablemoments.Linda:Once,whenIwasonmywaybacktomyhometown,Ilostmypursewithoutevenknowingit.Iwastoldoverthetrain'sloudspeakerthatmypursewasattherailwaystation'sandfoundoffice.Butthetrainhadalreadystarted.Seeingmyhelplessness,akindhostessofferedtolendmesomemoney.Iwentbacktotherailwaystationandgotmypurse.Iamstillthankfultotherailwaystaffandthepersonwhofoundmypurse.Scott:WhenIwasalittleboy,therewasatimewhenIwenttofishwithmyeldersister.Allofasudden,Islippedintotheriver.ThenextthingIrememberismyfatherholdinginthehospital.TodayIstilldon'tknowwhogotmeoutofthatriver.IhavebeentryingtohelpotherpeoplewheneverIcanalltheseyears.Tina:Oneofmyneighborsisanoldmanwhocannotspeak.HemakesmoneybyrecyclingOurotherneighborsdon'tlikehisbehavior.Butinmyopinion,it'shiswaytosupportfamily.Once,aftercleaningmyhouse,Iplacedsomecardboardboxesinhisgardenandmyrubbishbesidemydoor.However,whenIwasabouttogoout,Ifoundnothingoutsidemydoorbutanote:"Ihavethrownawayyourrubbish.Youareanicegirl.Thanksalot!"Accordingtothepassageabove,weknowthat A.thehostessfoundLinda'spurseB.LindaknewwhereshelostherpurseC.Scottstilldoesn'tknowwhogothimoutoftheriverD.somecardboardboxeswerestolenbyTina'sneighborThewriteristryingtotellusthevalueofA.health B.kindness C.money D.safetyThepassageaboveisprobablya .report B.diary C.novel 3.A、B、C、DIgraduatedfromcollegerecentlyandmovedtoWashingtonbymyself.WhileIwasincollege,itwasreallyeasytomeetnewpeople.But"outintherealworld",Iwasfindingitreallyhard.Iliveinabigcity,anditseemslikeeveryonearoundmeisbusyoralreadyhasallthefriendstheywant.Iwasfeelingsodiscouraged(沮丧的)andIdidn'tknowtodo,soIcalledmysisterforsomeadvice.MysisterisfiveyearsolderthanIam,soshe'sbeenthroughallthisalready.beenhelpingmewithmyproblemsallmylife.WhenIexplainedmyproblem,sheunderstoodcompletely.Shesaid,"Whydon'tyoutrymeetingpeopleonline?""Online?Areyoukidding?"Iasked."Afriendofminechattedwithaguyonline,whenshefinallymethimfacetoface,hewasnothinglikewhathesaid."Mysisterlaughed."Youdon'thavetolookfordatesonline,"shesaid."Butyoufindotherpeoplelikeyou—peoplewhohavejustmovedtotownandwanttomakesomenewfriends.WhenIfirstmovedtoNewYorkaftercollege,IfoundabookclubandafootballteamImetalotofpeoplethatway.""Butyoudon'tevenlikefootball!"Isaid."Iknow,"shereplied."Butthatdidn'tmatter.Istillhadalotoffun.Youvolleyballincollege.Whydon'tyoulookforavolleyballteamtojoin?Oranartclass?""Yeah!Isawawebsiteaboutvolunteeringtheotherday."Isaid."IcouldvolunteerforanorganizationhereinWashington.IbetIcouldmeetalotofreallynicepeopleway.""Goodidea!"mysisteransweredexcitedly."Hey,youmightevenmeettheperfect"OK,nowyou'restartingtosoundlikeMom,"Isaid."Thanksalotfortheadvice.goingonlinerightnow.I'llletyouknowwhathappens.Willyoubehometonight?""No,butI'llbeherealldaytomorrow,sogivemeacall,"mysisterreplied."Goodluck!"Whatwasthewriter'sproblem?A.Shewascheatedbyherfriendonline.Shewasrefusedbyavolleyballteam.Shecouldn'tmeetpeopleinhernewcity.Shefeltdiscouragedinhercollege.Thewriter'ssister .A.livesinthesamecityasthewriterdoesn'thaveanyadviceforthewriterhadthesameproblemwhenshefinishedcollegeShedidn'tgotocollege,butunderstandsthewriter'sproblemThewriterisprobablygoingtoA.becomeamemberofafootballB.lookfordatesonlineC.joinabookclublikehersisterdidD.volunteerforanorganizationWhat'sthebesttitleforthispassage?LookingforFunOnline B.VolunteeringinaNewCityC.ChattingwithFriendsOnline D.MakingFriendsinaNewA、B、C、DArtificialintelligence(AI))istheabilityofacomputerprogramoratothinkandlearn.Itisalsoafieldofstudythattriestomakecomputers"smart".JohnMcCarthy,ascientist,cameupwiththename"artificialintelligence"in1955.Manythingssuchaslearningandproblemsolvingcanbedonebycomputers,thoughnotinthesamewaywedo.AnunusualgoalofAIresearchistocreatecomputerprogramsthatcanlearn,solveproblems,andthinklogically(逻辑地).AtpresentweusethetermAlforsuccessfullyunderstandinghumanspeech,recognizing(识别)humanfaces,operatingself-drivingcarscompetinginsomegamesystemslikeChessandAlphGo(阿尔法狗).SomepeoplealsoconsiderAIadangertohumansifitdevelopstooquickly.ProfessorStephenHawkingawell-knownBritishscientist,wasnotforthiskindoftechnology.MathisthebasiclanguageofAI.Ifweraisethestandardinthelearningofmath,studentswillbemorelikelytobecomesuccessfulAIdesignersinthefuture.Wenotonlybrightstudents,butalsoneedtoattractaveragestudentsandgivethemthemathskillsareneededtochangethemintoAIdesigners.Besides,agoodknowledgeofcomputerscienceisalsonecessaryforAIdesigning.ScientistshopetocreatecreativeandemotionalAIwhichcanpossiblyunderstandfeelingsorcreateart.ManywaysandtoolshavebeentriedtodiscoverthisfascinatingFromParagraph1,weknowthat A.allproblemscanbesolvedbyAImachineswithAIcanthinkandlearnC.AIhasbeenaroundforonly60years.D.AIworksinthesamewayashumansTheunderlinedword"it"inParagraph2refersto(指的是)Chess B.AlphaGo C.thedanger D.AIAccordingtothewriterandthefollowingschoolreport,whichstudentwillmostprobablybecomeasuccessfulAIdesigner?SchoolReportSubject/NameMath(100)Art(100)Computer(100)Mike609595Peter956590Amy659095Cathy959560A.Mike. B.Peter.C.Amy. D.Cathy.Paragraph4mainlytellsusthescientists' aboutAI.A.wishesB.worriesC.feelingsA、B、C、DInourculture,theabilitytomakeone'sowndecisionsisimportant.JohnF.Kennedy'squote(引语)"Toooftenweenjoythecomfortofopinionwithoutthediscomfortofthought."showsanunpleasanttruth.Muchofwhatweknowandbelievehasbeentaughttousbyothers,andweoftenacceptthisinformationwithoutspendingmuchtimethinkingitoverforourselves.Intoday'sworld,wearebeingpresentedwithinformation,ideasandbeliefs,butofthemareagainsteachother.Psychology(心理学)tellsusthatifwehearanideatimes,oritcomesfromsomeonewerespect(wewillprobablybelievethatidea.Incases,webaseouropinionsontheopinionsofothers.Ifeachofusdoesnotthinkaboutinformationforourselvesandcometoourownconclusionswewillbecomenothingmoreparrots(鹦鹉)quotingtheopinionsofothers.ExamplesofspreadingfakenewswithoutthoughtcanbeseenontheInternet.Somebelievewhatevertheyreadandthensharethestorywithoutthinkingaboutthefacts.Alltakesisonequickclick(点击)ofthe"share"button,andthestorytravelsonitswaytoinfluenceevenmoreunthinkingreaders.Thiscancauseseriousproblems.Ifwejuststopforamomenttothinkaboutwhatwereadandhear,andformourownopinions,wewillbemorethoughtful,moreindependent,andmorecreativepeople,butfewtakethattime.Yetweneednotloseheartoverthisbadhabit.Infact,simplybecomingaware)ofitisthefirststeptowardscorrectingit.Oncewebecomeawarethatwetend(趋向)toholdopinionsandbeliefswithoutthinkingthemthrough,wecanchangethatpatternofbehavior.Hopefully,wecanlearntoexperienceandenjoythe"discomfortofthought"andformouropinions.What'sthepurposeofthispassage?A.TodescribehowInternetnewsspreads.Toexplainwhypeopledon'thavetheirownopinions.Totellpeoplethattheyshouldhavetheirownthoughts.Towarnpeoplenottobelieveotherpeople'sideas.Theunderlinedword"fake"inParagraph4probablymeansA.untrue B.unhappy C.unfair Howcanwehaveourownopinionsaccordingtothepassage?A.Byspreadingtheinformationwereceive.Bylearningmoreaboutpsychology.Byquotingothers'opinionslikeparrots.Bythinkingaboutwhatwereadandhear.WecanprobablyfindthispassageinabookaboutA.history B.education C.sports 三、任务型阅读下面是有关支付宝(Alipay)A-E与图片配对。Fillinthepriceandthepasswordcarefully.UseyoursmartphonetoFillinthepriceandthepasswordcarefully.UseyoursmartphonetoscantheAlipayQRcode(二维码).Addabankcardandenteryourcardinformation.Thepaymentcompletionpageisshownafteryouclickthe"pay"button.GettheappofAlipay.Signupwithyourmobilephonenumber,thensetapassword.四、词汇运用根据下列句子及所给汉语注释,写出空缺处各单词的正确形式(每空一词。Aprilisthe (第四)monthoftheyear.The (努力)youwork,themoreprogressyou'llmake.Therewillbeahigh-speedrailway, (在……之间)NingboandZhoushan.Theuseofnewenergycarshelpstoreduceair (污染).Drinkingtoomuchjuicecanbe topeople'steeth.(6)Imetafriendof (她的)inthestreetyesterday.(7)Ican'thearyou (清楚地).Pleasespeakalittlebitlouder.—Whois (敲)atthedoor?—Maybeit'sthepostman.LiuChuanjianisconsidereda (英雄becausehesafelylandedthedamagedplane.Mr.Smith (亲吻)hiswifeandkidsbeforehegoestoworkeveryday.real pleasure pioneer invent daily用方框中所给单词的适当形式填空,每词仅用一次(每空一词。real pleasure pioneer invent dailyPaul:Hey,Jenny,thesubjectformyschoolprojectis"Smallinventionthatchangedworld".Canyouhelpmethinkofaninvention?Jenny:With !Letmethink...hmm...Iknow!Thezipper!Paul:Thezipper?Isit suchagreatinvention?Jenny:Thinkabouthowoftenit'susedinour lives.Youcanseezippersondresses,trousers,shoes,bags...almosteverywhere!Isawawebsitelastweek.The ofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasbyWhitcombJudsonin1893.Butatthattime,itwasn'tusedwidely.Paul:Sowhendiditbecomepopular?Jenny:Around1917.五、语法填空阅读下面短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式。Onceuponatime,aneagle(老鹰)wasflyingintheskywhenhesuddenlysawabeautifulhen.Theeaglecamenearthehenandsaid,"Myprettyhen,ILoveyou.Willyoube wife?"Thehenwasscaredfortheeaglewassostrong.Herhusband,thecockhadgoneouttolookforfoodandherkidshadgoneawaysomewhereloplaywithother Thehenquicklyanswered,"I'mwillingtobe,butletmefirstgrowwingslikeyours,soIcanfly highasyou."Theeaglereplied,"OK!Thisringisforyouasasignofourbetrothal(订婚).TieitaroundyournecktillIreturn."Thehenagreed (do)so,andtheeagleflewaway.Whenthecockmetthehenthenextday,hewasvery (surprise)toseetheringaroundherneck.Hesaid,"Wheredidyougetthatring?Throwitaway"ThehendidthisandthecockwascheerfulIagain.Butattheweekend,theeaglecame .Thefrightenedhenhidherselfbehindherdoorbuttheeaglesoonfoundherout.Suddenlyhecried,"Where (be)theringthatIgaveyou?Whyareyounotwearingit?"Thehenwasveryscaredandsaid,"ForgivemelIlostityesterday.IwaswalkinginthegardenwhenImetalargesnake.Iwas frightenedthatIranfast.WhenIhome,Icouldn'tfindit."Theeaglelookedatthehen (angry)andsaid,"Idon'tbelieveyou.havehurtme.Iwillpunishyou. youdon'tmarryme,Iwillsnatch()awayyourchickensfromyou.ButIwillpromisetoforgiveyouonlyifyoufindmyring.Good-bye!"Eversince,allthehensintheworldhavebeenscratching(thegroundtotheeagle'sring.六、书面表达511(见导图一生选择去了科技博物馆(见导图二。请根据你所选择的实践活动写一篇英语日记,记录当天的经历和感受。注意:①日记必须包括你所选择导图的所有要点,并适当发挥;②文中不得出现真实的人名和校名;③词数:80-100。日记格式及首句己给出,不计入总词数。Friday,May11thTodayIhadaschooltrip.1(1)B(2)C(3)A(4)D(5)C(6)B(7)B(8)D(9)A(10)A(11)C(12)A;(13)D(14)B(15)C2(1)C(2)B(3)A3(1)C(2)C(3)D(4)D4(1)B(2)D(3)B(4)A5(1)C(2)A(3)D(4)B6.E;C;B;A;D7(1)4th/fourth(2)harder(3)between(4)pollution(5)harmfulhers(7)clearly(8)knocking(9)hero(10)kisses8.pleasure;really;daily;pioneers;inventedmy;children;as;todo;surprised;back/again;is;so;angrily;IfPossibleversion1:Friday,May11thTodayIhadaschooltrip.Theweatherwasfine.classmatesandIsetofftoHongxingFarmbybusearlyinthemorning.Theminutewearrived,wetookawalkaroundthefarm.Thenwefedthechickens.WhenIthrewsomefoodtothem,theyranovertomewithexcitementandsomeofthemevenwalkedintotheirfriends.Themostexcitingthingwasthatwepickedstrawberriesafterlunch.Whilewewerepicking,weatealot.sweettheywere!Ihadawonderfultimetoday!Idohopetogothereagaininthenearfuture!Possibleversion2:Friday,May11thTodayIhadaschooltrip.TheweatherwasMyclassmatesandIsetofftotheScienceMuseumbysubwayat7:00.Assoonaswereachedthemuseum,wewereamazedtoseelotsofpicturesaboutscience.Thenwewatchedavideoaboutdifferentinventionsandtheirinventors.It'sunbelievablethattechnologyhasprogressedinsucharapidway.Intheafternoon,weplayedchesswithsomespecialrobots.Itwassurprisingtofindthatnobodycouldbeatthem.Beforeleaving,weboughtsomegiftsforourfriends.Ihadawonderfultimetoday!Idohopetogothereagain!一、积累

浙江省宁波市2018年中考语文试卷读下面诗句,完成题目

夜深沉,庭宁静lǒngzhào从踌躇的眼泪里yín划线字“怯”的正确读音是( )A.qiè B.què根据拼音写出相应的字词lǒngzhào yín 沉 古诗文名句填空和选择。物是人非事事休, (李清照《武陵春) ()庭下如积水空明, ,盖竹柏影也(苏轼《记承天寺夜游) ()《白雪歌送武判官归京中“ 似在雪景中见色《雁门太守行》中的“ , ”则在乌云中现光明。下列诗句所写内容与传统节日无关的一项是( A.清明时节雨纷纷,路上行人欲断魂(杜牧《清明)B.黄梅时节家家雨,青草池塘处处蛙(赵师秀《约客C.(D.()给下列句子中划线的词选择正确的义项。寡廉鲜耻,而俗不长厚也(司马相如《喻巴蜀檄( )A.少。例:陶后鲜有闻 B.新鲜。例:芳草鲜苟志于仁矣,无恶也《论语( )A.苟且。例:故不为苟得也 B.如果。例:苟富贵,无相忘人孰无过?改之为贵(王阳明《寄诸弟( )B.谁。例:吾孰与徐公美或生而知之,或学而知之……《中庸( A.有人。例:或以为死,或以为亡有时。例:或置酒而招之下列选句出自宋代作家作品的一项是( )A.吴儿善泅者数百,皆披发文身,手持十幅大彩旗,争先鼓勇,溯迎而上,出没于鲸波万仞中,腾身百变,而旗尾略不沾湿,以此夸能。B(宋江一行火,车马往来人看人。C.权勿用怪模怪样:真乃一时胜会。D.奋力向前,战退魏延,保操前行。二、阅读理解阅读名著,回答问题《西游记》目录(摘选)第四回 官封弼马心何足 名注齐天意未宁第五回 乱蟠桃大圣偷丹 反天宫诸神捉怪第六回 观音赴会问原因 小圣施威降大圣第七回 八卦炉中逃大圣 五行山下定心猿第十二回 唐王秉诚修大会 观音显圣化金蝉第十四回 心 猿 归 正 六 贼 无 踪第十五回 蛇盘山诸神暗佑 鹰愁涧意马收缰第十七回 孙行者大闹黑风山 观世音收伏熊罴第十八回 观音院唐僧脱难 高老庄大圣降魔第十九回 云栈洞悟空收八戒 浮屠山玄奘受心第二十二回 八戒大战流沙河 木叉奉法收悟净唐僧在何处收谁为徒?检索摘选的目录,按照收徒的顺序填空。五行山收孙悟空→ → →流沙河收沙悟净阅读第十四回选段,完成题目。藏急抬头,早已不见。只闻得呼的一

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