We will continue to improve the company's internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication \o constantly perfect ERP, and BFS++, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS++, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure \To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. To strengthen risk management, ensure that the business of \o strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. o further standardize trading, and strive to achieve \ng to law, standardize and fair.\of performance management, to ensure that potential employees \o strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. To further quantify and refine employee standards ... Work, full play party, and branch, and members in \prise\n the of core role, and fighting fortress role and pioneer model role; to continues to strengthening \good\dership construction 九年级物理模拟综合测试卷（三）附答案
物 理 试 卷
本试卷分一卷和二卷两部分。第一卷为选择题，在答题卡上作答；第二卷为非选择题，用黑色钢笔或签字笔答在答卷上．全卷满分为100分，考试时间为80分钟．
第一卷
一．选择题（12小题，每小题3分，共36分）[四个选项中，选一个正确或最优的答案] 1．如图１所示，下列器件中属于省力杠杆的是（ ） A．坩埚钳 Ｂ．剪刀 Ｃ．筷子 Ｄ．镊子
图１
2．下列估测中，最接近实际的是（ ） A．正式比赛的篮球架的篮板高约2.2m B．常人的正常步行速度约1.2m/s
C．一盏家用白炽灯泡的正常工作电流约2A
D．广州市2006年初中毕业生物理学业考试指导书的质量约1.8kg
3．汽油机是由四个冲程不断循环而工作的，图2中表示内能转化为机械能的冲程是（ ） 图2 A． B． C． D．
4．下列做法中，属于增大摩擦的是（ ）
A．锁生锈不好打开时，将少量食油注入锁孔后，就容易打开了 B．拉链拉不动时，可在拉链上抹一点石蜡，就容易拉了 C．搬运笨重货箱时，可在地上铺几根圆木，就容易推动了
D．汽车失事的马路上流满了润滑油，可在路面上撒些沙子或木渣子，就更安全了
5．下列说法正确的是（ ）
A．金属在熔化和液态金属凝固的过程中，温度均保持不变 B．物体吸收热量后，温度一定升高 C．任何情况下水的沸点都是100℃ D．任何情况下冰的温度一定低于0℃
lay levels cadres in enterprise development in the of backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. o conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companiemature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy!We will continue to improve the company's internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication \o constantly perfect ERP, and BFS++, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS++, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure \To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. To strengthen risk management, ensure that the business of \o strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. o further standardize trading, and strive to achieve \ng to law, standardize and fair.\of performance management, to ensure that potential employees \o strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. To further quantify and refine employee standards ... Work, full play party, and branch, and members in \prise\n the of core role, and fighting fortress role and pioneer model role; to continues to strengthening \good\dership construction 6．依据卢瑟福的原子行星模型理论，在原子中绕核高速旋转的是（ ） A．核子 B．电子 C．质子 D．中子
7．将一滴红墨水滴入一杯清水中，一段时间后整杯水都变红了．下列说法正确的是（ ） A．如果水的温度为0℃，就不会发生这种现象 B．这是扩散的现象，它只发生在液体和气体中
C．这是扩散的现象，它表明分子在不停地做无规则运动 D．如果水的温度越低，扩散将进行得越快
8．原子弹与核电站的根本区别是（ ） A．原子弹利用核裂变，核电站利用核聚变 B．原子弹利用核聚变，核电站利用核裂变
C．原子弹对裂变的链式反应不加控制，核电站控制裂变的链式反应速率 D．原子弹对聚变的链式反应不加控制，核电站控制聚变的链式反应速率
9．关于声现象的下列说法中，正确的是（ ） A．人唱歌时，歌声是声带振动产生的 B．在水中的声速小于在空气中的声速 C．回音的声速比原来声音的声速要小 D．成语“震耳欲聋”是指声音的音调高
10．汽车在高速公路上行驶，下列交通规则与惯性无关的是（ ） ．．
A．右侧通行 B．系好安全带 C．限速行驶 D．保持车距
11．蜡烛放在离凸透镜40cm的主光轴时，在透镜另一侧的光屏上得到清晰放大的像．若把
蜡烛在原来位置向远离透镜方向移动40cm，则所成清晰的像—定是（ ） A．虚像 B．放大的 C．正立的 D．缩小的
12．图3所示为一种温度自动报警电器的原理图，在水银温度计的顶端封入一段金属丝，以
下正确的是（ ）
A．温度升高至74℃时，L1亮灯报警 B．温度升高至74℃时，L2亮灯报警 C．温度升高至78℃时，L1亮灯报警 D．温度升高至78℃时，L2亮灯报警
图3
lay levels cadres in enterprise development in the of backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. o conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companiemature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy!We will continue to improve the company's internal control system, and steady improvement in ability to manage and control, optimize business processes, to ensure smooth processes, responsibilities in place; to further strengthen internal controls, play a control post independent oversight role of evaluation complying with third-party responsibility; to actively make use of internal audit tools detect potential management, streamline, standardize related transactions, strengthening operations in accordance with law. Deepening the information management to ensure full communication \o constantly perfect ERP, and BFS++, and PI, and MIS, and SCM, information system based construction, full integration information system, achieved information resources shared; to expand Portal system application of breadth and depth, play information system on enterprise of Assistant role; to perfect daily run maintenance operation of records, promote problem reasons analysis and system handover; to strengthening BFS++, and ERP, and SCM, technology application of training, improve employees application information system of capacity and level. Humanistic care to ensure \To strengthening Humanities care, continues to foster company wind clear, and gas are, and heart Shun of culture atmosphere; strengthening love helped trapped, care difficult employees; carried out style activities, rich employees life; strengthening health and labour protection, organization career health medical, control career against; continues to implementation psychological warning prevention system, training employees health of character, and stable of mood and enterprising of attitude, created friendly fraternity of Humanities environment. To strengthen risk management, ensure that the business of \o strengthened business plans management, will business business plans cover to all level, ensure the business can control in control; to close concern financial, and coal electric linkage, and energy-saving scheduling, national policy trends, strengthening track, active should; to implementation State-owned assets method, further specification business financial management; to perfect risk tube control system, achieved risk recognition, and measure, and assessment, and report, and control feedback of closed ring management, improve risk prevention capacity. o further standardize trading, and strive to achieve \ng to law, standardize and fair.\of performance management, to ensure that potential employees \o strengthen performance management, process control, enhance employee evaluation and levels of effective communication to improve performance management. To further quantify and refine employee standards ... Work, full play party, and branch, and members in \prise\n the of core role, and fighting fortress role and pioneer model role; to continues to strengthening \good\dership construction3eud教育网 http://www.3edu.net 百万教学资源，完全免费，无须注册，天天更新！
第二卷
用黑色字迹的钢笔或签字笔把答案直接写在答题卡各题目指定区域内的相应位置上，在本试卷上作答无效．
二、填空题（4小题，每小题4分，共16分）
13．根据以下示例，写出以下四点在各方面应用中的相关事例（每种各举一例） 示例：红外线：电视机遥控器利用红外线进行遥控
(1) 太阳光：_____________________________________________________________； (2) 超声波：_____________________________________________________________； (3) 凸透镜：_____________________________________________________________； (4) 大气压强：___________________________________________________________． 14．在图4《向左走，向右走》的漫画中，地上的影子说明光是_____________；箱子相对_________是运动的；在50s的时间内，男孩提着重15N的小提琴水平向左匀速走了100m，女孩用5N的水平拉力拉箱子向右匀速走了100m，他们中，对物体有做功的是_______（选填“男孩”或“女孩”），做功的功率是_________． 图4 15．一个家用电能表的盘面上标有“3000 r／kW·h”字样，它表示每消耗1kW·h的电能，
电能表的转盘转3000转．若某个电热水器单独使用时，电表转盘在300s内转了210转，则热水器消耗的电能是 ，这个热水器放出的热量能使质量为__________的水温度升高10℃．[ 假设没有能量损失，已知：c水= 4.2×10 3 J/（kg·℃）] 16．某同学在探究“物体所受重力大小与物体质量的关系”的实验记录如下表： 实测物体 物体质量m (kg) 重力G (N) 比值G／m (N／kg) 物体1 物体2 物体3 0.1 0.2 0.3 0.98 1.96 2.94 9.8 9.8 9.8 (1)在实验过程中，需要的两个测量工具是： ； (2)分析表中数据，能得出的结论是： ．
三、作图题（3小题，每小题3分，共9分）
17．钱包掉到沙发下．没有手电筒，小明借助平面镜反射灯光找到了钱包．图5中已标示了
反射与入射光线，请在图中标出平面镜，并画出法线．
灯 沙发 图5
钱包 图6
lay levels cadres in enterprise development in the of backbone backbone role; to full strengthening members youth work, full play youth employees in company development in the of force role; to improve independent Commission against corruption work level, strengthening on enterprise business key link of effectiveness monitored. , And maintain stability. To further strengthen publicity and education, improve the overall legal system. We must strengthen safety management, establish and improve the education, supervision, and evaluation as one of the traffic safety management mechanism. o conscientiously sum up the Olympic security controls, promoting integrated management to a higher level, higher standards, a higher level of development. Employees, today is lunar calendar on December 24, the ox Bell is about to ring, at this time of year, we clearly feel the pulse of the XX power generation company to flourish, to more clearly hear XX power generation companiemature and symmetry breathing. Recalling past one another across a railing, we are enthusiastic and full of confidence. Future development opportunities, we more exciting fight more spirited. Employees, let us together across 2013 full of challenges and opportunities, to create a green, low-cost operation, full of humane care of a world-class power generation company and work hard! The occasion of the Spring Festival, my sincere wish that you and the families of the staff in the new year, good health, happy, happy!3eud教育网 http://www.3edu.net 教学资源集散
地。可能是最大的免费教育资源网！