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一、选择题
2019年浙江省温州市中考化学试卷银是一种银白色金属,密度较大,具有良好的导电性,长期放置会被氧化而发黑。其中属于银的化学性质的是()A.银白色B.密度较大C.导电性良好D.能被氧化101101258,质子数为()A.101 B.157 C.258 D.359如图,将红砂糖倒入一杯开水中,充分溶解。能作为判断砂糖水是饱和溶液的依据是( )砂糖水颜色很深 B.砂糖水味道很甜C.砂糖溶解得很快 D.砂糖固体有剩余当汽车发生剧烈碰撞时,安全气囊里的物质发生反应使气囊弹出,以保护司乘人员的安全。某汽车安全气囊中的反应之一为:6Na+Fe2O3═2Fe+3Na2O,该反应属于( )化合反应 B.分解反应 C.置换反应 D.复分解反应为研究盐酸的化学性质,小明进行如下实验。其中能产生白色沉淀的是( )A.B.C.二、填空题端午节吃粽子是我国许多地方的习俗,粽叶是包粽子的材料之一。箬叶(如图)是粽叶的一种,含多种氨基酸,用箬叶包制粽子,可提高粽子中氨基酸含量,基酸是人体合成 (填营养素名称)的重要原料。个别商贩利用硫酸铜(CuSO4)溶液浸泡陈旧粽叶使之变为青绿色,这对人体有害。有关部门提醒市民可将粽叶用水浸泡将铁放入浸泡液中根据铁钉是否变红进行检验出该方法相关的化学方程式: 。一些心脏病患者安装心脏起搏器,以在心跳骤停时刺激心脏,恢复心跳。一种用于心脏起搏器的锂电池,工作时发生的反应为4Li+2SOCl2═4LiCl+X+SO2↑.则X的化学式为 。8.2019年5月,我国目前推力最大的液体火箭发动机试验成功,该发动机用甲烷作燃料。甲烷(CH4)属于化合物中的 。用甲烷作燃料,具有清洁无毒的特点,其原因是 。9.橘子罐头的生产过程中需要用稀盐酸和氢氧化钠去除橘络(橘瓣表面白色网状结构橘络营养丰富但是其内含有味苦的芦丁芦(C27H30O16中质量分数最小的元素是 。去除橘络时,要控制好稀盐酸和氢氧化钠溶液的用量,以确保食品安全。某次生产过程中,配制100千克质量分数为0.3%的氢氧化钠溶液,则需氢氧化钠固体 千克。三、实验探究题(如图甲AA下实验;容器编号123456平均时间/秒3.2容器编号123456平均时间/秒3(如图丙,点燃蜡烛,一段时间后发现温度计①示数明显增大,温度计②③示数增大不明显。根据实验一的结果,推测A组实验高处烛焰先熄灭的原因是 。实验二研究的问题是 。结合本实验的研究结果,对B组实验现象做出简要解释: 四、解答题Na2CO3NaCl、Fe2O3等,为确定其成分,进行了如下实验:过滤操作中除了需带铁圈的铁架台、滤纸、玻璃棒外,还需要用到的仪器有 。写出用pH试纸测定滤液pH的方法: 。试剂X的名称是 。过氧化氢溶液保存时,因缓慢分解导致质量分数变小(2H2O2═2H2O+O2↑。为探究酸1030%过氧化氢溶pH313,60℃氧气能用排水法收集,是因为 。根据本实验结果对实验室常温保存过氧化氢溶液提出合理的建议。10300.321%)D。A。D。C。A。6(1)(2)Fe+CuSO4=FeSO4+Cu。7.S。8(1)(2)只含有碳元素和氢元素,完全燃烧生成二氧化碳和水。9(1)(2)0.3。10(1)小玻璃罩中蜡烛燃烧产生的热的二氧化碳上升在顶部聚积并逐渐下沉;小玻璃罩中蜡烛燃烧对周围空气温度的影响;B(1)(2)pHpHpH(3)稀盐酸。12(1)氧气能用排水法收集,是因为氧气不易溶于水。pH3~5pH3~50.322H2O2═2H2O+O2↑68 32x 0.32g=x=0.68g剩余的过氧化氢的质量为10g×30%﹣0.68g=2.32g剩余过氧化氢溶液的溶质质量分数为 ×100%=24%一、选择题
2019年浙江省温州市中考物理试卷用伏安法测电阻时,某电表的示数如图所示,其示数为( )A.1.5安 B.7.5安 C.1.5伏 D.7.5伏晾晒三条相同的湿毛巾,下列做法最有可能让衣架保持水平的是( )A.B.C.D.将一蜡烛放在装有水的烧瓶前,调整蜡烛和烧瓶至如图所示位置,在墙壁上得到清晰的像。该像的性质是( )缩小的虚像 B.放大的虚像 C.缩小的实像 D.放大的实像窗玻璃上趴着一只壁虎(如图,当人水平向右推窗时,壁虎随窗玻璃一起向右匀速移动的过程中壁虎受到摩擦力的方向是( )竖直向上 B.竖直向下 C.水平向左 D.水平向右L1P1L1L2串联接入电路(如图乙闭合开关后L1L2的功率分别为P1'P2(不计温度对灯泡电阻的影响电源电压恒定下列关系式正确的是( )A.P2'>P1'>P1 B.P2'>P1>P1' C.P1>P2'>P1' D.P1>P1'>P2'二、填空题小明制作了一个如图所示的简易气压计。将橡皮膜平铺在敞口容器上,并用胶带绑紧。检查气密性AMO(外界气温的变化对容器内气压的影响极小)检查气密性时将绑有橡皮膜的容器浸没在水中轻压橡皮膜如果观察到 则气密性不好。小明将该气压计从甲地带到乙地,发现吸管B端的指向从M处变为N处。则甲、乙两地气压大的是 。8(不包含燃料射后获取模型火箭的飞行高度与时间的关系,如图所示。模型火箭燃料耗尽后仍能向上飞行一段距离,这是因为模型火箭具有 。图中标注的A、B、C三个位置中,模型火箭的重力势能最小的是 。模型火箭从最高点B下落到地面,重力做功的功率是 瓦。雾天能见度低,骑车易发生交通事故,要减速慢行。雾天,空气中会形成大量水珠。该过程发生的物态变化是 小明要为自行车设计一“雾灯以提示过往的行人和车辆要求工作时灯泡能持续交替闪烁忽略弹性衔铁和电磁铁线圈电阻,下列电路中符合设计要求的是 。三、实验探究题500R0阻值为10变化,应选择怎样的滑动变阻器?小明用不同的电阻丝代替滑动变阻器,利用图乙进行如下实验:①取3条长度都为100厘米的粗细均匀电阻丝A、B、C,阻值分别为1欧、20欧、400欧。APUx③分别用电阻丝B、C代替A,重复步骤②。④处理相关数据,获得“电压表示数U随移动长度x变化的关系”如图丙。图甲实验中,闭合开关,当滑动变阻器滑片处于最左端时,导线a与接线柱M处的连接意外开,此时示数为零的电表是 。分析图丙,实验过程中电压表示数变化范围与电阻丝阻值的关系是 。若利用图乙研究通过R0的电流与其两端电压的关系,在A、B、C三条电阻丝中,你认为选择一条电阻丝最合适并说明理由。 如图AB(正反面粗糙程度相同。发射器的弹簧压缩得越短释放后纸飞机获得的速度越大其原因是 。写出本实验的主要步骤。气体的密度与压强有关。为测量实验室内空气的密度,小明在实验室按如图所示步骤进行实验:①如图甲,将一打足气的足球,放入装满水的容器中,测得溢出水的体积为426毫升。500同时调整量筒的位置,当量筒内外水面都与500毫升刻度线相平时,停止排气。共排气10次。420图乙中,当量筒内外水面都与500毫升刻度线相平时停止排气,其目的是 。根据测得的数据,计算实验室中空气的密度。0风级一级二级三级四级五级六级米/秒0.3~1.51.6~3.33.4~5.45.5~7.98.0~10.710.8~13.8风压p(帕)0.055~1.41.6~6.87.2~1818.9~3940~7272.9~11912(10)PMN0.22AB20100风级一级二级三级四级五级六级米/秒0.3~1.51.6~3.33.4~5.45.5~7.98.0~10.710.8~13.8风压p(帕)0.055~1.41.6~6.87.2~1818.9~3940~7272.9~119p(即单位面积受到的风力风垂直吹在挡风板上,不计一切摩擦阻力。在滑片P左移的过程中,电路的总电阻 (选填“变大“不变”或“变小)U2?(写出计算过程)小明想在风速仪的电压表上直接标出风速,查阅资料后获知该挡风板所受的风力与风速的平方vUR05vU的关系曲线,并在曲线上标出所能测量的最大风速的对应点Q。1.C。2.B。3.D。4.A。5.C。6(1)(2)乙地。7(1)(2)C(3)70。8(1)(2)D。9(1)(2)电阻丝阻值越大时电压表示数变化范围越大;(3)BB发生较明显的变化;且示数变化范围较大。101获得的速度越大;(2(2)主要步骤。研究纸飞机掷出后在空中滞留的时间与纸飞机表面的粗糙程度的关系,要控制其形状、质量、出手速度和出手角度都相同,①用剪刀将AB两种纸裁剪成形状、面积大小相同的纸若干张;1A1B1B1A③选择无风的环境,将两纸飞机分别放在发射器上,压缩弹簧到相同的位置,以相同的角度发射;④用秒表记录两只飞机滞空时间;⑤多次重复实验;⑥分别计算两只纸飞机的平均滞空时间,进行比较得出结论。111500于外界大气压,便于测量排出空气的体积。(2)图甲中,足球漂浮,则足球的重力:1 浮1 水 排G=F =ρgV 1 浮1 水 排2 浮2 水 排G=F =ρgV 2 浮2 水 排气m===排出空气的体积:气气V=10×500cm3=5×10﹣3m3,所以实验室中空气的密度:气ρ气= = =1.2kg/m3。(1)(2)1.2kg/m3。12(1PR0串联,所以电路的总电阻不变;由图知,电压表测滑片以右电阻丝的电压,根据串联电阻的规律和欧姆定律可得,电路中的电流为:I= ==0.25A,U2,APRAP===8Ω,因均匀电阻丝AB长为20cm,阻值为10Ω,故AP段电阻丝的长度:LAP=F=14N,此时风对挡风板的压强(风压)为:p== 由表知,此时风力为五级;由欧姆定律可得,APR′AP===10Ω,因均匀电阻丝AB长为20cm,阻值为10Ω,故弹簧的压缩长度为20cm,由图乙知,此时弹力F′=14N+=17.5N;5I′= ==0.4A,0﹣3V,3V,由欧姆定律可得,APRAP″===7.5Ω,此时AP段电阻丝的长度:L′AP=×20cm=15cm,弹簧弹力F与弹簧长度改变量x的关系为过原点的直线由图乙可知F与x的关系为F=N/cm×x,则当L′AP=15cm,弹簧的弹力F′=N/cm×15cm=13.12N;因该挡风板所受的风力与风速的平方成正比故有 = ,解得此时的最大风速:v=0.86v大,即:U=3V,v=0.86v大Q此时风速v与电压表示数U的大致关系曲线,如下面红色曲线所示:(1)P(2)当电压表示数U为2伏时,风速仪所测的风为五级;(3)如上图所示。浙江省温州市2019年中考数学试卷一、选择题(本大题共10小题,每小题4分,共40分1.计算:(﹣3)×5的结果是( )A.﹣15 B.15 C.﹣2 D.22.太阳距离银河系中心约为250000000000000000公里,其中数据250000000000000000用科学记数法表示为( )A.B.C.D.某露天舞台如图所示,它的俯视图是( )A.B.C. D.在同一副扑克牌中抽取2张“方块,3张“梅花,1张“红桃.将这6张牌背面朝上,从中任抽取1张,是“红桃”的概率为( )A.B.C.D.对温州某社区居民最爱吃的鱼类进行问卷调查(每人选一种绘制成如图所示统计图已知选鲳鱼的有40人,那么选择黄鱼的有( )A.20人 B.40人 C.60人 D.80人近视眼镜的度数y(度)2002504005001000镜片焦距x(米)0.500.400验光师测得一组关于近视眼镜的度数度近视眼镜的度数y(度)2002504005001000镜片焦距x(米)0.500.400A.B.C.D.7.若扇形的圆心角为90°,半径为6,则该扇形的弧长为( )B.C.D.某简易房示意图如图所示,它是一个轴对称图形,则坡屋顶上弦杆AB的长为( )A.米 B.米 C.米 D.米已知二次函数,关于该函数在的取值范围内,下列说法正确的是( A.有最大值﹣1,有最小值﹣2 B.有最大值0,有最小值﹣1C.有最大值7,有最小值﹣1 D.有最大值7,有最小值﹣2ABCD,EABBEBEFG,EFCDH,BEMBM=BC,MN∥BGCDL,FGN.欧儿里得在《几何原本》中利用该图解释了FDH△EPH为S1,图中阴影部分的面积为S2.若点A,L,G在同一直线上,则的值为( )A.B.C.D.二、填空题(本大题共6小题,每小题5分,本大题共30)分解因式:= .不等式组 的解为 .某校学“汉字听写大赛成绩的频数直方每一组含前一个边界值不含后一个边界值如所示,其中成绩为“优良(80分及以上)的学生 人.如图分别切∠BAC的两边于点点P在优弧则∠EPF于 度.∠AOB=∠AOE=90°,菱形的较短对角线长为2cm.若点C落在AH的延长线上,则△ABE的周长为 cm.12OC=OD=10分米展开角∠COD=60°,晾衣臂OA=OB=10分米晾衣臂支架HG=FE=6分米且HO=FO=4分米.当∠AOC=90°时,点A离地面的距离AM为 分米;当OB从水平状态旋转到OB′(在CO延长线上)时,点E绕点F随之旋转至OB′上的点E′处,则B′E′﹣BE为 分米.三、解答题(本大题共8小题,共8017.计算:(1)(2)如图,在△ABC,ADBC,EABCCF∥ABED求证:△BDE≌△CDF;AD⊥BC,AE=1,CF=2AC20车间20名工人某一天生产的零件个数统计表生产零件的个数(个)91011121315161920工人人数(人)11642221120是管理者,从平均数、中位数、众数的角度进行分析,你将如何确定这个“定额”?7×5ABCDA,B,C,D1△EFG,E,F,GAB,BC,CD∠EFG=90°;221.如图,在平面直角坐标系中,二次函数的图象交轴于点A,B(点A在点B的左侧.A,B的取值范围;BB1B2重B1B3的值.△ABCEBCCA=CE⊙OABF,AD,DEABG,CD,CF.DCFG当BE=4,CD=AB时,求⊙O的直径长.32A10人.求该旅行团中成人与少年分别是多少人?(110B100/86851200超额的前提下,最多可以安排成人和少年共多少人带队?求所有满足条件的方案,并指出哪种方案购票费用最少.如图,在平面直角坐标系中,直线分别交轴轴于点B,C,正方形AOCD的顶点D,EBC,OF⊥DEF,OE.PAOAOQBCQ1Q2匀速运动,它们同时到达终点.BOE设点Q2为当tan∠EOF时,求点Q2的坐标;根据(2)PAOQCADBCQ3QQ2Q3Q3QAPPQ△OEFAP1.A2.B3.B4.A5.D6.A7.C8.B9.D10.C11(m+2)212.1<x≤913.9014.5715.12+816.5+5;417(1)解:原式=6-3+1+3=7(2)解:原式=18(1)证明:∵CF∥AB,∴∠B=∠FCD,∠BED=∠F.∵AD是BC边上的中线,∴BD=CD,∴△BDE≌△CDF.(2)解:∵△BDE≌△CDF,∴BE=CF=2,∴AB=AE+BE=1+2=3.∵AD⊥BC,BD=CD,∴AC=AB=319(1)解: =(9×1+10×1+11×6+12×4+13×2+15×2+16×2+19×1+20×1)=13(个).答:这一天20名工人生产零件的平均个数为13个(2)解:中位数为12个,众数为11个。当定额为13个时,有8人达标,6人获奖,不利于提高工人的积极性.当定额为12个时,有12人达标,8人获奖,不利于提高大多数工人的积极性.当定额为11个时,有18人达标,12人获奖,有利于提高大多数工人的积极性.∴定额为11个时,有利于提高大多数工人的积极性。20(1)12(2)解:画法不唯一,如图3或图4等.21(1)解:令y=0,则-x2+2x+6=0,∴x1=-2,x2=6,∴A(-2,0,B(6,0).由函数图象得,当y≥0时,-2≤x≤6(2)函数图象的对称轴为直线x==2.∵点B2,B3在二次函数图象上且纵坐标相同,∴=2,∴n=1,∴m=-×(-1)2+2x(-1)+6=;∴m,n的值分别为,122(1)AE,∵∠BAC=90°,∴CF为⊙O的直径.∵AC=EC,∴CF⊥AE.∵AD为⊙O的直径,∴∠AED=90°,即GD⊥AE,∴CF∥DG.∵AD为⊙O的直径,∴∠ACD=90°,∴∠ACD+∠BAC=180°,∴AB∥CD,∴四边形DCFG为平行四边形。(2)解:由CD=AB,可设CD=3x,AB=8x,∴CD=FG=3x.∵∠AOF=∠COD,∴AF=CD=3x,∴BG=8x-3x-3x=2x.∵GE∥CF,∴又∵BE=4,∴AC=CE=6,∴BC=6+4=10,∴AB==8=8x,∴x=1.Rt△ACF,AF=3,AC=6,∴CF=,即⊙O的直径长为23(1)xy,解得答:该旅行团中成人17人,少年5人。(2)解:①∵成人8人可免费带8名儿童,∴所需门票的总费用为:100×8+100×0.8×5+100×0.6×(10-8)=1320(元).ab10≤a≤17(i)当a=10时,100×10+80b≤1200,∴b≤,∴b最大值=2,a+b=12,1160(i)当a=11时,100×11+80b≤1200,∴b≤,b最大值=1,a+b=12,1180(iii)a≥12,100a≥1200,12001≤a<10(i)当a=9时,100×9+80b+60≤1200,∴b≤3,∴b最大值=3,a+b=12,1200(ii)当a=8时,100×8+80b+2×60≤1200,b≤,∴b最大值=3,a+b=11<12,不合题意,舍去.(iii)同理,当a<8时,a+b<12,不合题意,舍去.121021119310224(1)解:令y=0,则-x+4=0,∴x=8,∴B为(8,0).∵C为(0,4,在Rt△BOC中,BC=.又∵E为BC中点,∴OE=BC=1,EM⊥OCM,EM∥CD,∴△CDN∽△MEN,∴∴CN=MN=1,∴EN=∵EN·OF=ON·EM,∴OF=,由勾股定理得EF=,∴tan∠EOF=,∴∵n=-m+4,∴m=6,n=1,∴Q2为(6,1)P,Q∴s关于t成一次函数关系,设s=kt+b,将 和 代入得 ,解得 ,∴s=.②(i)PQ∥OE(2,∠QPB=∠EOB=∠OBE,作QH⊥x轴于点H,则PH=BH=PB.∵BQ=6 -s=6 -+=7 -,又∵cos∠QBH=,∴.BH=14-3t,∴PB=28-6t,∴t+28-6t=12,∴t=PQ∥OF(3QQG⊥AQ3G,PPH⊥GQH,由△Q3QG~△CBO得Q3G:QG:Q3Q=1:2:,∵Q3Q=s=,∴Q3G=t-1,QG=3t-2,∴PH=AG=AQ3-Q3G=6-(t-1)=7-t,QH=QG-AP=3t-2-t=2t-2.∵∠HPQ=∠CDN,∴tan∠HPQ=tan∠CDN=,∴2t-2=(7-t,∴t=PQEF综上所述,当PQ与△OEF的一边平行时,AP的长为 或浙江省温州市2019年中考英语试卷一、单项填空(101101.—Peter,shallwegoforapicnicthisSunday?OK.Let'sadditto weekendplan.A.a B.an C.the 2.—Sir,didyouenjoyyourstayinour ?Yes,IsleptwellandIlikethebreakfast.A.hotel B.school C.factory D.companyThelivingroombecomes asthesunlightcomesinthroughthewindows.bigger B.cleaner C.quieter D.brighterSamfindssweepingrobotsuseful,andheplanstobuy forhisgrandma.it B.one C.this D.thatBettyfeltsotiredlastnightthatshe fellasleepinbedafterlyingdown.recently B.suddenly C.frequently D.immediatelyWedon'tallowtakingmagazinesout,butyou copythearticleyouneedonmachineoverthere.can B.must C.should D.wouldTheinstructionstelluseverything abouthowtomakethemodelship.byhand B.bychance C.indetail D.inperson8.—Linda,Dadhasfinishedhisworkandwe tothegymtopickyou—Thankyou,Mum.drive B.drove C.havedriven D.are9.—Couldyoutellme ?YouwillstaywithanEnglishfamilyandtakepartintheirdailylife.A.whenIshouldpayforthecoursewhatthebestpartofthecourseishowlongtheshortestcourselastswhereIcangosightseeingafterclass10.—Tony,hurryupanddon'tforgettolockthe .I'mgettingmycoat.A.Waitaminute B.NoC.Nothingserious D.Bad二、完形填空(15115)A、B、C、DAshleywasoutspoken,fashionable,andthe"QueenBee"inmyschool.Ilookeduptoherandidolizedher.Ilistenedtothemusicshelistenedto,woretheclothesshewore.IeventookartclassthoughIhadreallywantedtotaketheatre.Ifinallyfittedin(1)group.Oneday,Iskippedoutofmylastclassafewminutesearlyto(2)seatsforourgroupatthedininghall.Concentratingonmyhomework,Ididn'tnoticetheyhadsatdownbehindme.BeforeIcouldsayaword,Irealizedwhattheywere(3).Ilistenedsilently."She'ssuchaloser,"onegirlsaid.Anothergirladded,"Ashley,she (4) followsyou,tryingtocopyyou.""Iwishshewouldleaveusalone.Wewereinthesamesummerschoolandnowshethinkswe'rebestfriends."Theoncefamiliarvoicesoundedso (5) andstrange.Iwasmortified.Myhandswereshaking.Icouldn'thelpcrying (6) .Ifeltheart—brokenfortheveryfirsttime.Howdidthishappen?I(7)wewerefriends.Iranhome.MymotherjustheldmewhileIsobbedforhours.Theadviceshegaveso(8),andIhadhearditamilliontimes."Justbeyourselfandpeoplewilllikeyoufor(9)youare."Thistimeitbecamesoprofound.ThenandthereI(10)tofindmyselfback.Thatwasexactly—whatIdid.Overthenextmonth,Iwentthroughalotof(11).IboughtnewclothesthatIwantedtowear.Inolongerwenttoartclass(12)them,andtooktheatre.Imakingnewfriends.Idevelopedmyown(13)andneveragainfollowedthecrowd.Ihadanamazingschoolyear. (14) Ilookback,IthinkitwastheyearwhenIdiscoveredthepersonIwasgoingtobe.DespitethepainIfeltthatday,itwasa theyhadgivenme.(1)A.my B.her C.his D.our(2)A.get B.buy C.rent D.move(3)A.thinkingaboutB.talkingaboutC.waitingfor D.askingfor(4)A.onceB.alwaysC.hardlyD.never(5)A.seriousB.specialC.weakD.cold(6)A.sadlyB.shylyC.excitedlyD.nervously(7)A.foundB.admittedC.realizedD.thought(8)A.funnyB.simpleC.usefulD.different(9)A.whereB.whatC.howD.who(10)A.failedB.forgotC.decidedD.continued(11)A.painsB.doubtsC.changesD.troubles(12)A.withB.aboutC.againstD.without(13)A.skillsB.habitsC.projectsD.opinions(14)A.BeforeB.UnlessC.WhenD.If(15)A.giftB.choiceC.promiseD.surprise三、阅读理解(1526—28129—3924053012.阅读理解HISTORY ofHotDogHOT DOGFUNFACTSThe 1600sA GermancalledJohannGeorghehnercreatedthe"dachshund"sausage. "Dachshund"isaGermansmalllongthindog.The 1860sThe veryfirsthotHISTORY ofHotDogHOT DOGFUNFACTSThe 1600sA GermancalledJohannGeorghehnercreatedthe"dachshund"sausage. "Dachshund"isaGermansmalllongthindog.The 1860sThe veryfirsthotdog—the"dachshund"sausageinaroll—wassold byGermansinNewYork.Itbecamepopularin!theUSlater.1871Charles Feltman,aGerman,startedthefirstConeyIslandhotdogstand.Itmadehot dogsknowntomorepeople.t0nts1893Chris VonDerAhestartedtheAmericantraditionofeatinghotdogsatbaseball parks,makinghotdogsmorepopular.1901A NewYorkcartoonist.TadDorgan,sawtheredhot"dachshundsausages soldonstreets.Hewantedtodrawapictureofit,buthewasn'tsurehowto spell"dachshund,sohesimplywrote"HotDog".ItiswidelybelievedhowHotDoghaditsname.in2010.1949The firstvegetarianhotdogscameout.Americansstartedthetraditionofeatinghotdogsatbaseballparksin A.1871 B.1893 C.1901 D.1949It'sbelievedthatthename"HotDog"wascreatedby A.TadDorgan B.CharlesFeltmanC.ChrisVonDerAhe D.JohannGeorghehnerWhatcanweknowabouthotdogsfromthepassage?A.NewYorkerslikeeatinghotdogsmostintheworld.B.Germanseatabout150millionhotdogseachJuly4th.C.Aworldrecordsayssomeoneate73hotdogsin10minutes.D.About21millionhotdogsweresoldinAmericainthe1860s.阅读理解Haveyoueverjumpedonatrampoline?Todaymanypeopleuseitforexercise.Backinthe1980s,researchersfoundthatjumpingonatrampolinewasagoodwaytohelpastronautsregaintheirstrength.Actually,trampolininghasmanyadvantages.Ithelpsandmusclesgrowandimprovesyourbalancebystimulatingtheinnerear.Itisespeciallyusefulforincreasingflowofthelymphaticsystem.Whichhelpsyourbodygetridofharmfultoxins.Trampolininghasbenefitssimilartothoseofrunning,butwithouttoomuchstressonandankles.Ifyouwouldliketostarttrampolining,youmayfirstneedtoaskadoctortomakeit'sasafeactivityforyou.It'seasytofindaninexpensivetrampaline,butitshouldwellmadeandstrongenoughtosupportyourweight.Toavoidaccidents,sometrampolines8safetynetaroundthem.Remember:wheneveryouareonatrampoline,becarefulnottoneartheedgeofit.Hereareafewexercisesforbeginners,HighKneeLift.Raiseonekneeatatime.Liftyourkneehigherthanyouusuallydoyouarerunning.StarJump.Jumpintotheairandspreadyourarmsandlegsintoastarshape.Asyougainmoreconfidence,practicemoredifficultlevels:TuckJump.Atthetopofyourjump,bringthekneestothechest.Withthearmsholdingthelegs.PikeJump.Jumphigh,bringthelegsup,andpointthetoesforward.Touchyourwithhands.Therearemanymoreexercisesyoucantry.Happytrampolining!Accordingtothepassage,whatbenefitcanwegetfromtrampolining?A.Ithelpswithbonegrowth.Itcuresillnessesinourknees.Ithelpsreducestressonmusecles.Itpreventsearsfrombeinghurt.Howcanwedotrampoliningsafely?A.Buyanexpensivetrampoline.Jumpinthecenterofatrampoline.Chooseatrampolinewithoutanet.Loseweightbeforestartingtrampolining.WhichpictureshowsTuckJump?A. B.C. D.Thispassageintroduces A.anexercisetoimproveourfitnessB.anexercisetogainself—confidenceC.awaytokeepbalancewhenwejumpD.awaytoavoidaccidentswhenexercising14.阅读理解Manyobjectsintheuniverseareinvisible,buttheysendradiowaves.Theradiotelescope*thusappeared,anditisconsideredoneofthegreatestinventionsinthetwentiethcentury.Reberbuilttheworld'sfirstradiotelescopein1937.RyleandHewishdevelopedtelescopesystemsforthelocationofweakradiosources,andtheysharedtheNobelPrizePhysicsin1974.Aradiotelescopeisusuallymadeupof:Oneormoreantennastocollecttheradiowaves.Mostantennasaremadeintheofadishtocollectandreflect,theradiowavestothesub—reflector,inthesamewayacurvedmirrorfocusesvisiblelighttoonepoint.Areceiverandamplifiertoreceivetheradiowavesfromthesub—reflector,andtheseweakradiowavesstrongenoughtoberecordedandturnedintoelectronicsignals.makeanamplifiersensitiveenough,itisusuallycooledto,verylowtemperatures(e.g.lowas—270℃).Arecordertokeeparecordoftheelectronicsignals.Mostradiotelescopestodaythesignalstothecomputer'smemorydiskforastronomerstoanalyzelater.Radiowavelengthsaremuchlongerthanthoseofvisiblelight,andtheradiowavesdeepspacearealwaysweak.TocatchRadiowavelengthsaremuchlongerthanthoseoflight,andtheradiowavesfromdeepspacearealwaysweak.Tocatchthesewaves,radiotelescopesusuallyhavehugeantennas.Thesizesofmostantennasinusetodayarearoundto300metresindiameter.TheantennaofFASTinGuizhou,China,thelatestandlargesttelescopeintheworld,is500metresindiameter,aslargeasthesizeof30footballfields.Toavoidinterferences,andkeepthetelescopessensitive,radiotelescopesareinplaceswheretherearenohumanradiowavesorelectronicsignals.Forexample,FAST5kilometresawayfromtheclosestvillageand25kilometresawayfromthenearesttown.Radiotelescopescreatepicturesofthesky,notinvisiblelight,butinradiowaves.Thisisextremelyuseful,becausethereareobjectsthatcan'tbeseen,objectsthatwewouldn'tevenknowwithoutradiotelescopes.Radiotelescopeshelpcollect fromtheA.light B.objectsC.radiowaves D.visiblesignalsMostantennasofradiotelescopesaremadeintheshapeofadishto A.maketheantennasstrongenoughincreasethenumberofradiowavesturnradiowavesintoelectronicsignalsfocusradiowavesonthesub—reflectorTheunderlinedword"interferences"inthepassagerefersto A.thenoisesmadebyvillagersandanimalsthesoundsfromtheradiosandtelevisionsthepeoplewhogotoGuizhoutowatchFASTworktheradiowavesandelectronicsignalsfromhumansWhathavewedonewiththehelpofradiotelescopes?A.Wehavereceivedpicturesofdeepspace.Wehavediscoveredunknownlivesintheuniverse.Wehavefoundsomeunknownobjectsintheuniverse.Wehaveturnedtheradiowavesfromspaceintolight.阅读理解IliveinMentone,aquiet,simple,restfulplace,wheretherichnevercome.ImetTheophileMagnan,aretired,rich,oldmanfromLyonsyesterday.IntheHoteldesAnglais.Theophilelookedsadanddreamy,anddidn'ttalkwithanybodyelse.Whichbroughtmebackthepast.Alongtimeago,FrancoisMillet.Claude,CarlandIwereyoungartists—veryyoungartists—infact.Yes,FrancoisMillet.ThegreatFrenchartist,wasmyfriend.Milletwasn'tanygreaterthanwewereatthattime.Hedidn'thaveanyfame,eveninhisownvillage.Wewereallpoorthoughwehadstacksandstacksofasgoodpicturesasanybodyinpainted.OnceapersoneverofferedfourfrancsforMillet's"Angelus",whichheintendedsellforeight.Itwasafactinhumanhistorythatagreatartistwouldneverbeacknowledged*afterhewasstarvedanddead.Hispicturesclimbedtohighpricesafterhisdeath.Thenwemadeadecisionthatoneofusmustdie,tosavetheothersandhimself.Milletwaselectedtodie.DuringthenextthreemonthsMilletpaintedwithallhismight,enlargedhisstockallhecould,notpictures,notsketches,studies,partsofstudies,fragmentsofstudies,ofwithhiscipher* onthem.Theywerethethingstobesold.CarlwenttoParistostarttheworkofbuildingupMillet'sname.ClaudeandItosellMillet'ssmallpicturesandtobuilduphisnameaswell.WemadeMilletamaster.Ialwayssaidtomycustomer,"IamafooltosellapictureofFrancoisMillet'satall,forheisnotgoingtolivethreemonths,andwhenhediespicturescan'tbehadforloveormoney."ClaudeandItookcaretospreadthatlittlefactasfaraswecould.Carlmadefriendswiththecorrespondents,andgotMillet'sconditionreportedtoandalloverthecontinent,andAmerica,andeverywhere.Thesadendcameatlast,Milletdied,notreally.HebecameTheophileMagnan.Thepictureswentup.There'samaninParistodaywhoownsseventyMilletpictures.Hepaidustwomillionfrancsforthem.Doyoustillrememberthe"Angelus"?Carlsoldittwenty—twohundredfrancs.AndasforthebushelsofsketchesandstudieswhichMilletproducedinthelastsixweeks,well,itwouldastonishyoutoknowthefigurewesellthematnowadays.WearenolongerartistsandMilletdead.Whydidthefourfriendsdecidetoelectoneofthemtodie?A.Theywantedtoberich. B.Theywantedtobefamous.C.Theywantedtosavemoney. D.Theywantedtoberespected.WhichofthefollowingstatementsisTRUEaboutthepassage?A.ThewriterlivesabusylifeinMentone.B.Milletwasfinallymadeafamousartist.C.Milletpaintedbestamongthefourfriends.D.ThestorywaswritteninmemoryofMillet.Whatmadethefourfriends'plansucceed?A.Thattheydidn'twanttobeartistsanylonger.ThatMillet'spicturesweresoldatveryhighprices.People'sattitudetowardstheartistswhowerestarving.People'sdesiretoownpreciousartworksatlowprices.IsMilletlivingordead?Why?(40四、词汇运用(15115)above plant child since rain用方框中所给单词的适当形式填空。每词限用一次。above plant child since rain(1) likelisteningtostoriesbyAndersenatbedtime.(2)Iusuallyplaywithmylittlesisterathomeon days.Adamhasbeenworkinginthehospital heleftschool.Onehundredtrees alongtheriversideyesterdayafternoon.Qomolangma,theworldHighestmountainisabout8,848metres sealevel.根据短文内容和所给中文提示,用单词的正确形式完成以下短文。Lydiarunsandpicksuprubbishalongtheway.Whatshedoesiscalled"plogging",activitycombiningcollectingrubbishwithrunning.Last (六月)shefirsttheideaofploggingontheIntemetanddecidedtoplog.Lydiarunsfouror (五)timesaweekandtakesadailywalkwithhertwoSheoftenwearsherglovesandtakesseveral (袋子)whenshegoesout.Sometimesshespends (一半,半数)anhourcollectingrubbish.Shesaysshe (浪费thelastfewyearsofherrunninglife.Nowshefeels" (更好的)todoploggingjustrunningbythelitter."Itjusttakesamomenttostopandpicksomethingupofftheground.(然而),itmakesabigdifferencetomycommunity.Nowmyhusbandalso (加入)Lydiasays (自豪地)."Itdoesn'tmatterhowmuchrubbishIpickup.It's。waytoprotectour (星球)五、书面表达(本题有1小题,共20分)APPANewUseoftheMobilePhone110菜带来的便利,让外国朋友了解中国人民生活中的这个新变化。ANewUseoftheMobilePhone1.C2.A3.D4.B5.D6.A7.C8.D9.B10.A111)B(2A(3B(4)B(5D(6A(7D(8B(9D(10C(11C(12A;(13)D(14)C(15)A12(1)B(2)A13(1)A(2)B(3)D(4)A14(1)C(2)D(3)D(4)C15(1)A(2)B(3)D(4) ①Milletisliving.In ordertosellhispicturesathighprices.hepretendedtodead.HecontinuestoliveintheworldwithanewnameTheophileMagnan.(30②Milletis dead.ThereisnofamousartistcalledMilletlivingintheworldanylonger.Heonlylivesinpeople'smemory.EverythingrelatedtotheartistMillethasbecomehistory.(31词)③Milletisliving.HejustpretendedtobedeadandtookanewnameTheophileMagnan.Tosomeextent,heisdead.ThereisnofamousartistcalledMilletlivingintheworldanylonger.EverythingrelatedtotheartistMillethasbecomehistory.(45词)16(1)Children(2)rainy(3)since(4)wereplanted(5)above17.June;five;bags;half;wasted;better;However;joins;proudly;planet18.ANewUseoftheMobilePhonePreparingformealsistiring.Youmayhavetospendhoursgettingeverythingreadyforcooking.NowinChina,newmobileappsareheretohelp.Theseappsprovideyouwithmeat,fish,andvegetables,almosteverythingyouneedforameal.You,anorderwheneveryoulikeanddecideonthetimeforthemtoarrive.Ifyoulike.Theycanbewashed,cutandpackedforacertaindish.Someappsevenguideyoutocookstepbystep,makingcookingeasier.Comparedwiththetraditionalwayofgoingtothemarket,mobileappssaveyourtimeandenergy.Withsuchanewuseofthemobilephone,youcanenjoyamorerelaxinglife.浙江省温州市2019年中考语文试卷一、积累运用(18分)读下面的文字,根据拼音写出相应的同音汉字。文学的航船已停(bò) 在名为“科幻”的码头,因此,今天的人们比任何时期更需要兼容并蓄的胸怀(bò 采众长的能力在继承和发扬优秀传统文化的同时我们要紧紧把住时代脉 通过想象驰骋到遥远的时空中去领略科幻的神奇,感受文学丛林的蓬(bò) 生机。雅趣出处古诗文名句雅趣出处古诗文名句评点饮酒李白《山中与幽人对酌》①我醉欲眠卿且去, 。你我皆随意。欧阳修《醉翁亭记》②山水之乐, 。酒中有真趣。郊游白居易《钱塘湖春行》③ , 。禽鸟赶春光。(常记溪亭日暮④ ,误入藕花深处。甲】 鼓乐陈与义《临江仙·夜登小阁,忆洛中旧游》⑤杏花疏影里, 。难忘那些通宵!王维《竹里馆》⑥ , 。自个儿乐。《论语》中所说“⑦ , 。寻找“最美”对联。根据内容,给下面三个地方选出相应的对联。永嘉上塘殿戏台 文成刘基庙 江心屿文天祥阁 侧身天地成孤注;满目河山寄一舟。占事考详,明有徵验,开国文臣第一;运筹画计,动中计宜,渡江策士无双。二、阅读理解(57)《西游记》中,孙悟空对唐僧说“两不相谢,彼此皆扶持也。下列小说人物“彼此扶持”走到“满”的一组是( )宋江和公孙策《水浒传) B.保尔和谢廖沙《钢铁是怎样炼成的C.孙少平和田
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