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1、第1页共 10页2018 年湖南省长沙市中考物理一模试卷一、选择题本大题共12 小题，每题 3 分，共 36 分13 分 生活中经常要对一些物理量进行估测。以下估测最接近实际的是 A某中学生的质量约为500kg B课桌的高度约为80dmC人体的正常温度约为40 C D的电池电压约为 3.7V2 3 分如下图是海波的一种物态变化图象。以下说法正确的选项是A这是海波的熔化过程B海波是非晶体C海波在熔化过程中吸热，温度不断升高D海波在第 5 分钟时处于液态3 3 分妞妞站在平面镜前1m 处，看着镜子里穿着新衣的自己。以下说法正确的选项是A她的像比她本人小B她的像与她本人之间的距离为2mC他在平面镜里
2、成的是实像D当她向平面镜靠近时，她的像远离平面镜4 3 分以下电路中，属于串联电路的是ABC第2页共 10页D5 3 分人脸识别系统被广泛地应用于考勤、门禁、监控等方面，它是通过将刷脸机镜头捕捉到的人脸信息，与系统中储存的人脸模板比照，进行人脸的识别。以下有关说法正确的选项是A刷脸机的镜头相当于一个凸透镜B人脸通过刷脸机的镜头成的是虚像C刷脸机的镜头相当于一个平面镜D人脸通过刷脸机的镜头成的是放大的像6 3 分以下关于力的说法中，正确的选项是A有受力物体不一定有施力物体B力可以改变物体的速度大小C匀速直线行驶的汽车没有受力D力是物体产生运动的原因7 3 分电风扇通电时扇叶转动，以下图中能表示其
3、工作原理的是ABCD8 3 分用如下图的吊车吊起重物，以下有关说法正确的选项是文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T
4、2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P
5、9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5
6、文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S
7、1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S
8、1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9
9、P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5第3页共 10页A该吊车相当于一个省力杠杆B该吊车相当于一个等臂杠杆C利用该吊车能省距离D利用该吊车能省力9 3 分将如下图的托里拆利实验装置置于电子秤上，玻璃管A 的下端开口处插入水银
10、槽 B接触。当大气压强增大时，电子秤的示数将A增大B减小C不变D无法确定10 3 分小明在体育课上练习垫排球，当排球竖直上升到最高处时，假设所有外力都消失，则排球将A一直上升B掉落下来C 先上升后下降D保持静止11 3 分以下实例中，机械能守恒的是A电梯匀速上升B小孩从斜面匀速下滑C降落伞在空中减速下降D离弦的箭在空中飞行不计空气阻力123分 如下图，重力为 1050N的物体 A与水平地面的接触面积为1.5103cm2，工人师傅的双脚与地面接触的面积大约是320cm2工人师傅第一次用竖直向下的 300N 的拉力提物体A 时，他对地面的压强为1.25104Pa；第二次用竖直向下的 600N 的拉
11、力使物体 A 匀速竖直上升了 lm。不计绳重及绳与滑轮间的摩擦，g取 10N/kg，以下结论错误的选项是A第一次提物体 A 时，物体 A 对地面的压强为 4000 Pa文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S
12、2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G
13、9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7
14、O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O
15、6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O1
16、0G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3
17、P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5第4页共 10页B第二次提物体A 时，滑轮组的机械效率为87.5%C工人师傅的重力为650 ND
18、用该滑轮组最多能提起质量为125kg的物体二、填空题本大题共5 小题，每空 2 分，共 22 分13 4分为了用电安全，家用空调的金属外壳应，1kW?h 的电能可供一台“220V 2000W”的空调正常工作h。14 4 分我国已有几十颗通信卫星镶嵌在浩瀚的太空，联结成一条“太空丝绸之路”，为我国所倡导的“一带一路”提供全方位通信服务，通信卫星与地面间信息传输的媒介是，它选填“能”或“不能”在真空中传播。15 4 分如下图，在矿泉水瓶的侧壁上钻一个孔，把电火花发生器紧紧塞进孔中，从瓶口喷入酒精并盖上锥形纸筒，按动电火花发生器，点燃瓶内酒精后，纸筒即刻飞出，燃气推动纸筒飞出的过程相当于内燃机的冲程
19、，纸筒飞出后瓶内气体的内能选填“增大”“减小”或“不变”16 4 分如下图是额定电压为220V的理发用电吹风的典型电路，其中电热丝通电后可以发热，电动机通电后可以送风，当需要送热风时，开关应放在选填“1、2”、“2、3”或“3、4”位置。假设电吹风在额定电压下工作且电动机的额定功率为120W，送热风时电路消耗的总功率为560W，则电热丝的阻值R为。17 6分边长为 0.1m 的正方体木块，漂浮在水面上时，有五分之二的体积露出水面，如图甲所示，则木块的密度为kg/m3将木块截去一部分后，再用少许粘合剂 其质量和体积忽略不计 固定上与截去部分体积相同的合金材料后，投入某种液体中仍漂浮，如图乙所示，
20、此时液体对它竖直向上的压强为1文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9
21、P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S
22、2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G
23、9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7
24、O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O
25、6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O1
26、0G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5第5页共 10页103Pa，水=2.6103kg/m3，此时物块受到液体的浮力为N，合金材料的质量为kg g 取 10N/kg三、解答题本大题共4 小题，共 22 分18 4 分在“测量物体运动的平均速度”的实验中，甲、乙两位同学测量
27、小军跑50m 的平均速度：1甲、乙两位同学先用卷尺在室外测出50m 的路程，标记好起点和终点；2甲同学担任计时员，他用秒表测量小军跑步的时间，则甲同学站在选填“起点”或“终点”处；3乙同学担任发令员，发令后，小军跑完50m 的路程，甲同学计时如下图，由此可知，小军跑50m 的平均速度是m/s。19 6 分如下图是“探究压力的作用效果与什么因素有关”的实验，通过观察海绵的凹陷程度可比较压力的作用效果：1分析比较甲、乙两图所示现象，可初步得出结论：。以下实例没有应用该结论的是填字母A菜刀要经常磨一磨B书包要用宽的背带C汽车限重D啄木鸟有个坚硬而细长的喙2将两个完全相同的木块用图丙所示的方式紧靠在一
28、起放在海绵上，则此时压力的作用效果与图乙相比选填“更明显”“更不明显”或“相同”文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1
29、T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1
30、P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P
31、5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2
32、S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9
33、S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O
34、9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5第6页共 10页20 6 分“探究产生感应电流的条件”的实验步骤如图甲、乙、丙所示，我们通过观察小量程的电流表的指针是否偏转来判断电路中是否有感应电流产生：1 实验中，通过比较图可知，
35、产生感应电流的一个条件是电路要闭合；2通过比较图甲、乙可知，产生感应电流的一个条件是导体要在磁场中。3 假设图甲中 AB棒不动，磁铁左右水平运动，电路中选填“有”或“无”感应电流产生。21 6 分小明在做“测量小灯泡的电功率”的实验，电源电压为4.5V，小灯泡的额定电压为 2.5V、灯丝电阻约为 8。1请你用笔画线代替导线，将图甲中的实物电路连接完整。2实验中当移动滑片P 到某一点时，电压表示数如图乙所示，假设小明想测量小灯泡的额定功率，应将图甲中滑片P 向选填“A”或“B”端移动，使电压表的示数为2.5V。3在小明完成的实验报告中，实验数据如下表所示：序号电压U/V电流I/A灯泡 L1的亮度
36、电功率P/W电功率的平均值P/W 12.200.28比正常发0.620.76文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2
37、 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9
38、 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文
39、档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1
40、T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1
41、P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P
42、5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5第7页共 10页光时暗22.500.30正常发光0.7532.800.32比正常发光时亮0.90在交流讨论中，小明知道了自己对实验现象的观察和数据的记录都是正确的，但所设计的这个实验表格存
43、在不妥之处，不妥之处是四、解答题共3 小题，总分值 20 分22 6 分 阅读短文，然后答复文中的问题本文或许有你没学过的概念，但不影响你作答梅溪湖国际文化艺术中心的声光世界历经 6 年匠心打磨，世界最大的芙蓉花建筑长沙梅溪湖国际文化艺术中心大剧院于 2017 年 8 月 31 日首次对外开放。该剧院以3 朵芙蓉花为造型，呈现西方建筑艺术的大气风格，不管是从哪个角度看都能感受到它独特的美。大剧院拥有 1800 个座位，主舞台采用国际一流设备，能够进行 100 多种场景转换，按照声学原理建造：舞台音响通过功放室、调音室进行音乐播放，低音的豪迈奔放，高音的高山流水能给观众带来新的视听感受；舞台同时
44、配置“反声罩”一一种专业音乐厅不可或缺的建筑声学结构，音乐会演奏时，各种乐器的多声部如果经过扩音设备放大后，容易发生细戳的变化从而影响演奏者的判断，而反声罩能够充分利用有限的自然声能，防止声音失真，让现众能赏到原汁原味的頂級音乐会，在这种场合下看演出，要保持绝对的安静，表演过程中，掌声则被视为“大不道”。在大剧院前厅可见墙项合一的装饰效策，墙面和顶规上用水波纹装饰残条，就好似新叠纸一样让人耳日一行，内眼看不到 LED灯具，只看到流动的光带像层层波浪，让人产生无限的逛想，进入艺术的梦境。这样的灯光效果还有一个特别飘逸的名称“流动的星空”，为了营造星空效果，所有灯具隐藏到建筑的流线内，与建筑融为一
45、体。舞台则采用先进的灯光控制，以做到投射各种色光、精确追光、多方位补光。文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 H
46、I4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 Z
47、G1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编
48、码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2
49、 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9
50、 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文档编码:CK1O6S2S1T2 HI4O10G9S1P9 ZG1D3P7O9P5文