2021年新人教版八年级物理(上)第一章《机械运动》单元测试题含答案.pdf

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1、八年级物理（上）第一单元测试卷（A）卷第一章机械运动（满分：100分时间：45 分）一、选择题（每题3 分，共 30 分）1、小明同学用刻度尺测出一个物体的长度为mm，下面物体中最接近这个数值的是（）A.物理课本的厚度B.一根粉笔的长度C.黑板的长度D.饮水杯的高度2、使用一个刚从冰箱里拿出来的毫米刻度尺去测量一个机器零件的长度，这样测量的结果将会（）A.偏大B.偏小C.正常D.无法比较3、关于机械运动的概念，下列说法错误的是（）A平常所说的运动和静止都是相对于参照物来说的；B 所谓参照物就是我们假设不动的物体，以它作为参考研究其它物体运动情况；C选取不同的参照物来描述同一物体的运动，其结果可

2、以是不同的；D研究物体运动，选择地面做参照物最适宜，因为地面是真正不动的物体4、坐在行驶着的列车中的乘客，我们说他是静止的，是以下列哪个物体为参照物（）A路边的树木B走动的列车员C停在车站上的另一辆车D火车车箱5、甲看到：路旁树木向东运动;乙看到：甲静止不动。若以地面为参照物，应当是（）A.甲向西，乙向东运动B.甲向东，乙向西运动C.甲乙都向东运动D.甲乙都向西运动精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 1 页，共 14 页6、我们观看百米赛跑时，判断谁跑得快的根据是（）A.速度的大小B.跑完相同的距离需要时间的多少C.在相同的时间内，跑过的距离的长短D.跑过相同的距

3、离比较平均速度的大小7、甲物体以乙物体为参照物是静止的，甲物体以丙物体为参照物是运动的，那么以丙物体为参照物的乙物体是（）A.可能运动B.一定运动C.可能静止D.以上结论都可成立8、作匀速直线运动的物体，8 秒内通过的路程是20 米，它在第 4 秒内的速度是（）米/秒米/秒米/秒米/秒9、一个运动物体在前2 秒内的平均速度是3 米/秒，后 3 秒内的平均速度是5米/秒，则它在 5 秒内的平均速度是（）A.等于 4 米/秒B.小于 5 米/秒而大于 3 米/秒C.等于 5 米D.大于 5 米/秒10、课外活动时，小明和小华均在操作上沿直线进行跑步训练。在某次训练中，他们通过的路程和时间的关系如图

4、2 所示，则下列说法中正确的是()A.两人都做匀速直线运动B.两人都不是做匀速直线运动C.前 2s内，小明跑得较快D.全程中，两人跑步的平均速度相同二、填空题(每空 2 分，共 38 分)11、国际单位制中，长度的单位是_,常用符号 _ 表示.精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 2 页，共 14 页文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P

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7、1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10

8、Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK

9、3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B

10、3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编

11、码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X812、国际单位制中，时间的单位是_,常用符号 _ 表示。13、如图停表的读数是分秒。14、用一把刻度尺测量某物体的长度，记录到的数据是和，则准确值是 _cm，所用的刻度尺的分度值是_。15、测量球体的直径，常采用如右图 1 所示的方法，转动球体的不同方向在毫米刻度尺的不同部位测得球的直径 D 的示数如下：D1D2D3D4则球的直径应取 _cm。16、2012 年 6 月 18 日，“神州九号”飞船与“天宫一号”目标飞行器成功实现对接（

12、图为对接示意图），对接时两者在空中飞行的速度大小和方向必须，此时两物体之间处于相对17.正在行驶的列车速度是15 m/s,这句话的物理意义是 _ 18、观察图1 所示的情景和文字，认为云向西运动，是以_为参照物；认为月亮向东运动，是以 _为参照物。19、五一节，爸爸驾车带楠楠去南滨路海洋公园游玩，途经长江大桥，如图2 所示。如果 小车以36km/h的速 度匀速 通过 长为450m 的大桥，则过桥所需的时间为s。车行驶在桥中央时，爸爸问楠楠：为什么我们看到乔两边的路灯在不停地后退呢楠楠告诉爸爸，这是因为我们选择了为参照物。20.一列长 100 m 的列车，穿过 500 m 的某一山洞，若火车运行

13、速度是108 km/h,火车穿过山洞所用时间是_ _s.21 甲、乙两物体都做匀速直线运动，甲通过的路程是乙的2 倍，乙运动的时间是甲的倍，那么甲、乙两物体的速度之比是_ _.精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 3 页，共 14 页文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文

14、档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM

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18、10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10

19、ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C

20、6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X822、2012 年 7 月 10 日中国海军有南海时行实弹军演以彰现我国维护国家主权的实力，军演中导弹追打一飞机，导弹的速度为850 米/秒，飞机的速度为900 千米/时，若导弹发射时，飞机离导弹发射处的距离为12 千米，则从导弹发射到击落飞机只需 _秒。三、实验探究（23题6分，24题8分，24题8分，共 22分）。23、某同学用一把所示的刻度尺，测量物理书的宽，他的测量方法如图所示，图中 A 是他观察读数时眼睛的位置，请指出这位同学测量中的三个错误之处：（1）_；(2)_;(3)-.24、某同学欲

21、测量一根细铜丝的直径，他的实验步骤如下：A.将细铜丝拉直，用刻度尺测出细铜丝的长度l1；B.用刻度尺测出铅笔杆上铜丝绕圈总长度 l2；C.用铜丝的长度除以铜丝的圈数，即得细铜丝的直径d；D.将细铜丝紧密缠绕在铅笔杆上；E.数出缠绕在铅笔杆上细铜丝的圈n。（1）以上步骤中，没有必要的步骤是_，错误的步骤是 _，还 缺 少 的 步 骤是：F._。（2）实 验 步 骤 的 合理 顺序 应是_。25、图甲是教材中测量平均速度的实验，图乙是某教师的改进实验：将一小块含铁小重物（涂黑部分）密封在灌满水的长直玻璃管内。当长直玻璃管竖直后，迅速移去玻璃管顶端的小磁铁，小重物开始下落，分别测得小重物到达15 厘

22、米、30 厘米、45 厘米处所用的时间分别是 1 秒，192 秒，282 秒。（1）分析数据（不考虑实验误差），从最高处下落到玻璃管底部的过程中小重物（填“是”或“不是”）做匀速直线运动；（2）为求小重物在第一次实验时整个下落过程的平均速度，某同学采用了下列两 种计算方法：方法 1：精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 4 页，共 14 页文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10

23、ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C

24、6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文

25、档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM

26、4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K

27、8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA

28、3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R

29、10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8秒米2.820.45tsv方法 2以上两次计算方法正确的是。（3）在甲实验中，要使铅笔在桌面上滚动的平均速度变大，可采取的方法有（写出一点即可）；（4）与甲实验相比，乙实验具有能保证物体做直线运动、便于观察实验过程等优点，但还有继续改进之处，你的改进建议是（写出一点即可）；四、计算题（10 分）26、以下表格是北京到上海D301的列车时刻表。请根据列车时刻表回答下列问题：D301次列车由北京到上

30、海全程的平均速度大约是多少千米/小时车次站次站名到 达 时间开 车 时间运行时间里程/kmD3011北京始发站21：350 分0D3012常州06：2906：318h54min1298D3013上海07：39终点站10h4min146331.92)-(2.820.15)-(0.451.00)-(1.920.15)-(0.301.000.15tsv秒米秒米秒米精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 5 页，共 14 页文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H

31、3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X

32、8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:

33、CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M

34、7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1

35、HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C

36、2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z1

37、0 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8某次列车速度为120km/h，如果此列车从北京开往上海，那么从北京到上海此列车需要多长时间八年级物理（上）第一单元测试卷（B）卷第一章机械运动（满分：100 分时间：45 分）一、单项选择题（每题3 分，共 36 分）1、下列现象中不属于机械运动的是（）A一江春水向东流B心潮澎湃 C海水奔腾 D流星赶月2、下列估测中，最

38、接近实际的是()A正常人脉搏的跳动是每秒65 次B适合人们洗澡的水温为70C一元硬币的厚度约为D教室门的高度约为2m3、甲、乙两列火车在两条平行的铁轨上匀速行驶，甲车座位上的乘客从车窗看到地面上的树木向北运动，看到乙车向南运动由此可判断（）A甲、乙两车都向南运动B甲、乙两车都向北运动精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 6 页，共 14 页文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10

39、ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C

40、6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文

41、档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM

42、4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K

43、8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA

44、3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R

45、10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8C甲车向南运动，乙车向北运动D甲车向北运动，乙车向南运动4、我们判断物体运动的快慢，方法一：比较相同时间通过的路程，方法二：比较通过相同路程所用时间，方法三：比较通过路程与所用时间的比值。在百米赛跑中采用是哪一种方法（）A方法一B方法二C方法三D都不是5、一短跑运动员在5s内跑完了 50m，汽车行驶的速度是54km/h，羚羊奔跑的速度是 20m/s，那么三者速度从小到大的顺序是（）A运动员、汽车

46、、羚羊B汽车、羚羊、运动员C羚羊、汽车、运动员D运动员、羚羊、汽车6、关于运动和静止，下列说法正确的是（）A加油机在空中给受油机加油时，它们是相对运动的B卡车和联合收割机收割庄稼时，它们是相对运动的C比赛中，两辆赛车在赛道上行驶时，它们是相对静止的D地球同步卫星在地球上空运行时，它们是相对静止的7、一个物体从静止开始沿一条直线通过一段路程，运动得越来越快，在通过这段路程的最后3m 时，用了2s，则该物体在整段路程中的平均速度可能是（）As Bs C1m/s D5km/h8、关于误差的说法，下列说法正确的是（）误差就是测量中的错误认真测量可以避免误差采用精密仪器，改进实验方法可以避免误差误差只能

47、尽量减小，不能绝对避免9、下列长度的单位换算正确的是()精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 7 页，共 14 页文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA

48、3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R

49、10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10

50、ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C6B3X8文档编码:CM4P2M7K8D1 HA3D1C2R10Z10 ZK3H3C