Delegates, staff: Hello! in the run-up to the Spring Festival, we held one session of four staff representatives Conference 2013-workshop, full back in 2012, careful analysis of the current situation, discuss 2013 development plans. Here, on behalf of my company 2013 work reports to the General Assembly, for consideration. Pillar I, 2012 back in 2012, XX power companies adhere to the party's 17 great spirit for guidance, comprehensively implement the scientific concept of development, promoting cost-leadership strategy, standards, focus on implementation, lean management, continuously improve, smooth present safety situation of enterprise management, business management and control scientific and standardized, and the dedication of staff, manage a harmonious and democratic atmosphere of the good situation. Main indicators are as follows:-the battery indicator: power generation totaled 7.815 billion kWh, beyond the annual budget implementation capacity of 315 million kWh, an increase of 757 million kWh. Sales totaled 7.425 billion kWh, exceeding sales of 330 million kWh the annual Executive budget, an increase of 729 million kWh. --Security measures: unplanned outages 2.5 times. No personal injury accident occurred, no major accident and above, no major fire accidents without environmental pollution accidents, safety for three consecutive years to maintain stability to good posture. Business financial indicators: total profits of 255 million Yuan, beyond the annual budget of 207 million Yuan, beyond the Datang company index 41.89 million Yuan, an increase of 1.76 million Yuan, FCM assessment at grade four. --Energy: power supply standard coal completing 312.25 g/kWh, down 0.1 g/kWh; integrated auxiliary power consumption ratio in 5.12%, down 0.26%; pollutant emissions performance greatly reduced compared to last year, carbon 0.09 g/kWh, sulfur dioxide 0.104 g/kWh NOx 0.512 g/kWh; dust removal efficiency of more than 99.8%. --Reliability index: equivalent availability factor in 93.47%, increased 7.95% from a yearearlier. Equivalent forced outage rate 0.08%, 0.16% reduction over the same period a year earlier. Major achievements: first, we should adhere to the two \ngthening technological research, strengthen hidden hazards control and intrinsic safety Enterprise construction took new steps. -The two \nt. Focus on promoting the power of the company management system and the application and implementation of the safety loop five-star management system, improve the safety management system, realize the system of safety control. Further regulate security routines, safety supervision and management network role to play to achieve closedoop. Strengthening the supervision and management of habitual violation of, strengthening the safety supervision of outsourcing contractors. Carried out in spring and autumn of security inspections, flood control and inspection, safety production month, day supervision of production safety and the Olympic Games and other2013-2014学年九年级第三次物理检测卷

班级： 学号： 姓名： 成绩： 一、选择题（每题2分，共30分）

1．“5.18”海交会两岸交流更加广泛，来自台湾阿里山的桧木聚宝盆散发出的芬芳奇香，吸引人们在十几米外就能闻香而去，这是因为桧木芳香的分子（ ）

A．相互之间存在引 B．相互之间存在斥力C．相互之间存在间隙D．在不停地做无规则运动

2.图（1）所示当开关S闭合后，滑动变阻器由a滑到b的过程中（ ）

A 电流表的示数变小，电压表的示数变小

B 电流表的示数变大，电压表的示数变大 图（1） C 电流表的示数变小，电压表的示数变大 D 电流表的示数变大，电压表的示数变小

3．关于热现象，以下说法中正确的是（ ）

A． 物体的机械能和物体的内能是同种形式的能，都与物体的机械运动和分子热运动以及分子间的相互作用情况有关 B．扩散现象只能说明分子是运动的，不能说明分子之间存在空隙 C． 分子之间存在着相互作用的引力和斥力D．铁丝很难被拉断，说明分子之间只存在引力 4．关于温度、热量、内能，以下说法正确的是（ ）

A．0℃的冰没有内能 B．物体的内能与温度有关，只要温度不变，物体的内能就一定不变 C． 物体的温度越低，所含的热量越多 D．水沸腾时继续吸热，温度保持不变，内能增加。 5．用酒精灯给试管加热，如图所示，试管口软木塞冲出的过程中，下列说法正确的是（ ） A． 水蒸气对软木塞做功，水蒸气内能增大 B． 水蒸气的内能转化为软木塞的机械能 C． 能量的转化与热机压缩冲程能量转化相同 D． 试管口的“白气“是水蒸气汽化形成的 6．将肉片直接放入热油锅里爆炒，会将肉炒焦或炒糊，大大失去鲜味．厨师预先将适量的淀粉拌入肉片中，再放到热油锅里爆炒，炒出的肉片既鲜嫩味美又营养丰富，对此现象说法不正确的是（ ）

A． 在炒肉片过程中，肉片的温度升高，内能增加

B． 附着在肉片外的淀粉糊有效防止了肉片里水分的蒸发 C． 在炒肉片过程中，肉片内能增加主要通过做功实现的 D． 附近能闻到肉香体现了分子在不停地做无规则的运动

7．两个电阻串联，电压之比为3∶4，若将这两个电阻并联在同一电源上，则电流之比为

( )

A．3∶4 B．4∶3 C．1∶1 D．3∶7

ctivities, comprehensive and tamping Safety Foundation ... Troubleshooting, management mechanism, give full play to role of technical supervision and realization of troubleshooting, management, improved process management. This year completed the boiler lower header leakage, boiler pressure, a major risk management, completed 29 of great risks and 3 General problems of governance. Complete chemistry lab construction, thermal control, and complete the boiler scale integrated management, host shafting vibration of 10 scientific and technological projects, such as. Complete supercritical 630MW on-line simulation system development and application of circulating water MCC standby power transformation, the transformation of desulfurization waste water, the unit water supply system of comprehensive treatment and discharge valve modification of coal mill 5 key technological transformation projects, group health is improved. --Science and technology innovation is further increased. Strengthen the characteristics of supercriticaunit major issues, gradually clearing the particularity of supercritical unit and regularity. Developed motor oil time management, switch action times, statistics, coal-aided measurement software, improves the production level of lean management. Increased investment in science and technology, reporting science and technology projects and 14 technical project total cost percentage of the total annual production output of 0.25%. \e coal-fired power plant flue gas desulfurization, denitrification complete development and application of key technologies\oject, won the national science and technology progress second prize. 630MW supercritical units optimized control strategies and the 630MW development and application of on-line simulation system for supercritical units, supercritical 600MW units of turbine driven boiler feed pump set of comprehensive treatment of defects Datang technology respectively one or two and third. Meanwhile, information technology achievements, the company was named \na powerinformation technology benchmarking enterprises.\nd maintenance has improved further. Modify the inspection standards and standards on a regular basis, standardizing work procedures, checking and inspection project. Deepening the BFS++ system, and implements maintenance information shared. Reorganizing RB logic again, and ensure the success of the RB. Innovating the mechanism of maintenance management, implemented a project manager system. Successful completion of two autonomous maintenance, reliability improved steadily. Implementing two c-level maintenance, project themselves 48.7% and 42.3%, respectively. Accomplish two circulating pumps repair and overhaul of four Mills, maintenance teams to get exercise. Promote the work of energy saving and consumption reducing, complete the unit energy consumption diagnosis, plant water balance test, 10 energy-saving projects. Second, we should adhere to \e\nefits of improving, outreachDelegates, staff: Hello! in the run-up to the Spring Festival, we held one session of four staff representatives Conference 2013-workshop, full back in 2012, careful analysis of the current situation, discuss 2013 development plans. Here, on behalf of my company 2013 work reports to the General Assembly, for consideration. Pillar I, 2012 back in 2012, XX power companies adhere to the party's 17 great spirit for guidance, comprehensively implement the scientific concept of development, promoting cost-leadership strategy, standards, focus on implementation, lean management, continuously improve, smooth present safety situation of enterprise management, business management and control scientific and standardized, and the dedication of staff, manage a harmonious and democratic atmosphere of the good situation. Main indicators are as follows:-the battery indicator: power generation totaled 7.815 billion kWh, beyond the annual budget implementation capacity of 315 million kWh, an increase of 757 million kWh. Sales totaled 7.425 billion kWh, exceeding sales of 330 million kWh the annual Executive budget, an increase of 729 million kWh. --Security measures: unplanned outages 2.5 times. No personal injury accident occurred, no major accident and above, no major fire accidents without environmental pollution accidents, safety for three consecutive years to maintain stability to good posture. Business financial indicators: total profits of 255 million Yuan, beyond the annual budget of 207 million Yuan, beyond the Datang company index 41.89 million Yuan, an increase of 1.76 million Yuan, FCM assessment at grade four. --Energy: power supply standard coal completing 312.25 g/kWh, down 0.1 g/kWh; integrated auxiliary power consumption ratio in 5.12%, down 0.26%; pollutant emissions performance greatly reduced compared to last year, carbon 0.09 g/kWh, sulfur dioxide 0.104 g/kWh NOx 0.512 g/kWh; dust removal efficiency of more than 99.8%. --Reliability index: equivalent availability factor in 93.47%, increased 7.95% from a yearearlier. Equivalent forced outage rate 0.08%, 0.16% reduction over the same period a year earlier. Major achievements: first, we should adhere to the two \ngthening technological research, strengthen hidden hazards control and intrinsic safety Enterprise construction took new steps. -The two \nt. Focus on promoting the power of the company management system and the application and implementation of the safety loop five-star management system, improve the safety management system, realize the system of safety control. Further regulate security routines, safety supervision and management network role to play to achieve closedoop. Strengthening the supervision and management of habitual violation of, strengthening the safety supervision of outsourcing contractors. Carried out in spring and autumn of security inspections, flood control and inspection, safety production month, day supervision of production safety and the Olympic Games and other

8．今年五一，吴力在父母的协助下，从早上8：00开始每隔半小时分别对株洲市文化园的气温和园内人工湖的水温进行了测量，如图是他根据记录的数据绘成温度t1随时间t2变化的图线．据图可以判断

A． 实线是水温图线，虚线是气温图线，因为水的比热容较大 B． 实线是水温图线，虚线是气温图线，因为水的比热容较小 C． 实线是气温图线，虚线是水温图线，因为水的比热容较大 D． 实线是气温图线，虚线是水温图线，因为水的比热容较小

9、某同学用如图（3）所示的电路测一个小灯泡的电阻的阻值，不慎将电压

表的两接线柱短路了，则（ ）

A 电流表有可能烧坏 B 电压表有可能烧坏

C 电流表和电压表都可能烧坏 D 不会发生任何事故。

10．下面是小强同学对身边的一些电路连接进行观察分析得出的判断．其中不正确的是（ ） A．厨房中的抽油烟机里装有照明灯和电动机，它们有时同时工作，有时只有电动机单独工作．它们是并联的 马路两旁的路灯，晚上同时亮，早上同时灭．它们是串联的 B． 楼道中的电灯是由声控开关和光控开关共同控制的．只有在天暗并且有声音时才能亮，所以C．声控开关、光控开关及灯是串联的 D．一般家庭中都要安装几盏照明灯和其它用电器．使用时互不影响．它们是并联的 11．如图所示，要使灯泡L1和L2组成并联电路，应（ ） A．只闭合S2 B．只闭合S3 C．只闭合S1和S3 D．只闭合S2和S3 12．某档案馆的保密室进出门有下列要求：甲、乙两资料员必须同时用各自的钥匙（S甲、S乙分别表示甲、乙两资料员的钥匙）使灯亮才能进入保密室；而馆长只要用自己的钥匙（S馆长表示馆长的钥匙）使灯亮就可以进入保密室．下列电路中符合上述要求的是（ ） A． B． C． D．

13．三个电阻并联后的总电阻值 （ ）

A．一定比其中任何一个电阻值都大 B．一定比其中任何一个电阻值都小 C．一定等于各电阻的倒数之和

D．一定比其中最小的电阻值大，比其中最大的电阻值小

ctivities, comprehensive and tamping Safety Foundation ... Troubleshooting, management mechanism, give full play to role of technical supervision and realization of troubleshooting, management, improved process management. This year completed the boiler lower header leakage, boiler pressure, a major risk management, completed 29 of great risks and 3 General problems of governance. Complete chemistry lab construction, thermal control, and complete the boiler scale integrated management, host shafting vibration of 10 scientific and technological projects, such as. Complete supercritical 630MW on-line simulation system development and application of circulating water MCC standby power transformation, the transformation of desulfurization waste water, the unit water supply system of comprehensive treatment and discharge valve modification of coal mill 5 key technological transformation projects, group health is improved. --Science and technology innovation is further increased. Strengthen the characteristics of supercriticaunit major issues, gradually clearing the particularity of supercritical unit and regularity. Developed motor oil time management, switch action times, statistics, coal-aided measurement software, improves the production level of lean management. Increased investment in science and technology, reporting science and technology projects and 14 technical project total cost percentage of the total annual production output of 0.25%. \e coal-fired power plant flue gas desulfurization, denitrification complete development and application of key technologies\oject, won the national science and technology progress second prize. 630MW supercritical units optimized control strategies and the 630MW development and application of on-line simulation system for supercritical units, supercritical 600MW units of turbine driven boiler feed pump set of comprehensive treatment of defects Datang technology respectively one or two and third. Meanwhile, information technology achievements, the company was namd \na powerinformation technology benchmarking enterprises.\nd maintenance has improved further. Modify the inspection standards and standards on a regular basis, standardizing work procedures, checking and inspection project. Deepening the BFS++ system, and implements maintenance information shared. Reorganizing RB logic again, and ensure the success of the RB. Innovating the mechanism of maintenance management, implemented a project manager system. Successful completion of two autonomous maintenance, reliability improved steadily. Implementing two c-level maintenance, project themselves 48.7% and 42.3%, respectively. Accomplish two circulating pumps repair and overhaul of four Mills, maintenance teams to get exercise. Promote the work of energy saving and consumption reducing, complete the unit energy consumption diagnosis, plant water balance test, 10 energy-saving projects. Second, we should adhere to \e\nefits of improving, outreach

Delegates, staff: Hello! in the run-up to the Spring Festival, we held one session of four staff representatives Conference 2013-workshop, full back in 2012, careful analysis of the current situation, discuss 2013 development plans. Here, on behalf of my company 2013 work reports to the General Assembly, for consideration. Pillar I, 2012 back in 2012, XX power companies adhere to the party's 17 great spirit for guidance, comprehensively implement the scientific concept of development, promoting cost-leadership strategy, standards, focus on implementation, lean management, continuously improve, smooth present safety situation of enterprise management, business management and control scientific and standardized, and the dedication of staff, manage a harmonious and democratic atmosphere of the good situation. Main indicators are as follows:-the battery indicator: power generation totaled 7.815 billion kWh, beyond the annual budget implementation capacity of 315 million kWh, an increase of 757 million kWh. Sales totaled 7.425 billion kWh, exceeding sales of 330 million kWh the annual Executive budget, an increase of 729 million kWh. --Security measures: unplanned outages 2.5 times. No personal injury accident occurred, no major accident and above, no major fire accidents without environmental pollution accidents, safety for three consecutive years to maintain stability to good posture. Business financial indicators: total profits of 255 million Yuan, beyond the annual budget of 207 million Yuan, beyond the Datang company index 41.89 million Yuan, an increase of 1.76 million Yuan, FCM assessment at grade four. --Energy: power supply standard coal completing 312.25 g/kWh, down 0.1 g/kWh; integrated auxiliary power consumption ratio in 5.12%, down 0.26%; pollutant emissions performance greatly reduced compared to last year, carbon 0.09 g/kWh, sulfur dioxide 0.104 g/kWh NOx 0.512 g/kWh; dust removal efficiency of more than 99.8%. --Reliability index: equivalent availability factor in 93.47%, increased 7.95% from a yearearlier. Equivalent forced outage rate 0.08%, 0.16% reduction over the same period a year earlier. Major achievements: first, we should adhere to the two \ngthening technological research, strengthen hidden hazards control and intrinsic safety Enterprise construction took new steps. -The two \nt. Focus on promoting the power of the company management system and the application and implementation of the safety loop five-star management system, improve the safety management system, realize the system of safety control. Further regulate security routines, safety supervision and management network role to play to achieve closedoop. Strengthening the supervision and management of habitual violation of, strengthening the safety supervision of outsourcing contractors. Carried out in spring and autumn of security inspections, flood control and inspection, safety production month, day supervision of production safety and the Olympic Games and other14．关于电流、电压、电阻的关系，下面说法正确的是（ ）

A．在电压一定时，导体的电阻跟通过导体的电流成反比

B．在电阻一定时，这段导体两端的电压跟通过导体的电流成正比 C．在电流一定时，导体两端的电压跟导体的电阻成正比

D．导体中的电流跟这段导体两端的电压成正比，跟这段导体的电阻成反比

15、如图所示，当滑动变阻器的滑片向右移动时电流变小的是（ ）

二、填空题（每空1分，共27分）

16．将两个表面光滑的铅块相互紧压后，发现它们会粘在一起，这说明 _________ ；用丝绸摩擦过的有机玻璃棒靠近用毛皮摩擦过的橡胶棒，它们会相互吸引，这说明 _________ ． 冬天，有些人喜欢把冷的袋装牛奶放进热水中浸泡，等牛奶变暖后再饮用．浸泡后，牛奶从热水里吸收热量，温度升高，内能 _________ （选填“增加”或“减少”）；人们还喜欢搓手取暖，这是通过 _________ 方式改变物体的内能．

17．国家“西气东输”工程正源源不断地向芜湖市输送清洁能源﹣﹣天然气．天然气燃烧时，可以将 _________ 能转化为内能．已知天然气的热值为4×10J/m，则每输送100m的天然气，完全燃烧后就相当于向芜湖市输送了 _________ J的能量．

18如图所示，是四冲程汽油机工作的部分冲程示意图，其中 _______ 图是做功冲程， ___ 图是依靠飞轮的惯性来完成的冲程．

19．从车床上刚刚加工下来的铝件温度都很高，这是因为 _________ （选填“做功”或“热传递”）使铝件内能增加了．已知某铝件加工之前的温度是25℃，加工之后的温度是100℃，

如果要让加工后质量为2㎏的铝件[c铝=0.88×10J/（㎏?℃）〕温度冷却到加工前的温度，则该铝件需要放出 _________ J的热量．

20.如图甲所示，炒菜时，燃料燃烧，将化学能转化为 _________ 能．如图乙所示，在海边沙滩，我们经常发现，沙子滚烫，而海水依旧凉爽，这主要是因为海水的 _________ 比沙子大． 21.．一个能吹冷热风的电吹风的简化电路如图所示．图中A是吹风机，B是电热丝．若闭合开关 _____ ，吹出的是冷风；若闭合开关 ___ ，吹出的热风．（两空均选填“S1”、“S2”或“S1和S2”）

22.．恐怖分子在公共场所安装了定时炸弹，其引爆装置如图所示，起爆前定时开关S是闭合的，当设定起爆时间一到，定时开关S会自动断开．为使引爆装置停止工

3

7

3

3

ctivities, comprehensive and tamping Safety Foundation ... Troubleshooting, management mechanism, give full play to role of technical supervision and realization of troubleshooting, management, improved process management. This year completed the boiler lower header leakage, boiler pressure, a major risk management, completed 29 of great risks and 3 General problems of governance. Complete chemistry lab construction, thermal control, and complete the boiler scale integrated management, host shafting vibration of 10 scientific and technological projects, such as. Complete supercritical 630MW on-line simulation system development and application of circulating water MCC standby power transformation, the transformation of desulfurization waste water, the unit water supply system of comprehensive treatment and discharge valve modification of coal mill 5 key technological transformation projects, group health is improved. --Science and technology innovation is further increased. Strengthen the characteristics of supercriticaunit major issues, gradually clearing the particularity of supercritical unit and regularity. Developed motor oil time management, switch action times, statistics, coal-aided measurement software, improves the production level of lean management. Increased investment in science and technology, reporting science and technology projects and 14 technical project total cost percentage of the total annual production output of 0.25%. \e coal-fired power plant flue gas desulfurization, denitrification complete development and application of key technologies\oject, won the national science and technology progress second prize. 630MW supercritical units optimized control strategies and the 630MW development and application of on-line simulation system for supercritical units, supercritical 600MW units of turbine driven boiler feed pump set of comprehensive treatment of defects Datang technology respectively one or two and third. Meanwhile, information technology achievements, the company was named \na powerinformation technology benchmarking enterprises.\nd maintenance has improved further. Modify the inspection standards and standards on a regular basis, standardizing work procedures, checking and inspection project. Deepening the BFS++ system, and implements maintenance information shared. Reorganizing RB logic again, and ensure the success of the RB. Innovating the mechanism of maintenance management, implemented a project manager system. Successful completion of two autonomous maintenance, reliability improved steadily. Implementing two c-level maintenance, project themselves 48.7% and 42.3%, respectively. Accomplish two circulating pumps repair and overhaul of four Mills, maintenance teams to get exercise. Promote the work of energy saving and consumption reducing, complete the unit energy consumption diagnosis, plant water balance test, 10 energy-saving projects. Second, we should adhere to \e\nefits of improving, outreach