2009年一级建造师建筑工程考试真题及答案

Manipulator is now used as a indus trial robots in use, the control objectives often appear often in indus trial automation. Indus trial automation technology has gradually matured, as mature a technology line has been rapid development in industria l automation as a separate subject. Manipula tor application began to filter into welding, logistics, mecha nica l process ing, and other industries. Especially at high or very low temperatures, full of pois onous gases, high radiation case, robot in similar circumsta nces showed great use als o brings great convenience to the staff. Precisely because of this robot to get people's attention began to be a high degree of development. Labor rates, working conditions, labor intens ive aspects of promoting development. Both at home and abroa d to develop the PLC (programmable logic controller) is in various specia l circumstances and under special conditions set for mechanical devices. Now turned on the development of the microelectronics automatic control technology and the rapid development of the trains, the success of PLC ha rdwa re software and simulation control win big and successful development, now continues to develop as a factory automation standards. Because robots are good development of the technology makes a good optimization of productive capita l, and robot shows this unique advantages, such as: has good compatibility, wide availability, hardware is complete, and prog ramming tha t can be mastered in a shor t time, so in the context of industria l PLC applications became ubiquitous. Manipulator in many developed country agriculture and industry has been applied, such as the use of mechanical harvesting large areas of farmla nd, repeated operations on the high-speed line tha t uses a robotic arm, and so on. Today, the hig h level of automation combined with restrictions on the manipula tor development level is slightly lower than the international. The desig n is mainly arm welding machine by PLC Automation control. This of des ign let designers on in school by learn of has a mus t of consolidation, understa nd has some usually didn't opportunities awareness in world range within some leading level of knowledge has has mus t awareness, hope designers can in yihou of design in the can success of using in this desig n in the proceeds of experience 1.2 manipulator in both at home and abroad of research profile automation mechanical arm research began Yu 20th century medium-term, after years with with computer and automation technology of development, Makes mechanical arm on the Grand stage of indus trial automation and shine, gradually became an indus trial evaluation standards, and its importance can be seen. Now origina l robotic arm spent most of mass production and use on the production line, which is programmed robotic arm. As the first generation of manipula tor position control systems main features, although not back several generations that can detect the externa l environment, but can still success fully complete like welding, pa inting, delivery as well as for materials simple movements. Second generation mechanica l arms are equipped with sens ors and manipulators have the environment there is a certain amount of "sense", when the mechanical arm is to use the program as a basis. Difference is that the robot begand 2009 年一级建造师建筑工程考试真题及答案 一、单项选择题（共 20 题，每题的备选项中，只有一个最符合题意） 1.《网壳结构技术规程》（JGJ——2003）规定，单块双曲抛物线面壳体的矢量可取 二个对角支撑点之间距离的（ ）。 A. 1/8-1/6 B. 1/7-1/5 C. 1/6-1/4 D. 1/4-1/2 2. 下列关于抹灰工程的说法符合《建筑装修工程质量验收规范》（GB——2001）规 定的是（ ）。 A. 当抹灰总厚度大于 25cm 时，应采取加强措施 B. 不同材料基体交接处表面的抹灰，采用加强网防裂时，加强网与各基层搭接宽度不 应小于 20mm C. 室内抹灰、柱面和门洞口的阳角，当设计无要求时，应做 1:2 水泥砂浆护角 D. 抹灰工程应对水泥的抗压强度进行复验 3. 建筑装饰装修过程中，凿掉的混凝土保护层，未采取有效地补救措施时，对混凝土 保护层的正确处理是（ ）。 A. 采用与原混凝土强度同等级的细石混凝土重新浇筑 B. 采用比原混凝土强度高一个等级的细石混凝土重新浇筑 C. 采用 1:1 高强度砂浆分层抹面 D. 采用掺加膨胀剂的 1:1 水泥砂浆灌浆 4. 有一连续梁，受力如下图所示，则下列连续梁上的弯矩示意图中，正确的是（ ）。 5. 有一悬臂梁，受力如图所示，q=1KN/m，EI=2×1011N．mm2，L=2m，则梁 端 B 最大位移 f 是（）mm。 A. 5 B. 10 C. 15 D. 20 6. 水泥的初凝时间是指从水泥加水拌合起至水泥浆（ ）所需的时间。 A. 开始失去可塑性 B. 完全失去可塑性并开始产生强度 C. 开始失去可塑性并达到 12Mpa 强度 D. 完全失去可塑性 7. 某高程测量，已知 A 点高程为 HA，欲测得 B 点高程 HB，安置水准仪于 A、B 之间， 后视读数为 a，前视读数为 b，则 B 点高程 HB 为（ ）。 全面落实企业主体责任；持续强ë两重点一重大、 “ ”重点地区和特殊作业等重点环节监管，遏制较大以上事故，保持事故总量继续下降，推动两个行业领域安全生产形势持续稳定好转。 manipulator control mode and programma ble controllers introduction 2.1 Select discuss ion with manipula tor control 2.1.1 classification of control relays and discrete electronic circuit can control old industria l equipment, but also more common. Mainly these two relatively cheap and you can meet the old-fashioned, simple (or simple) industria l equipment. So he can see them now, however these two control modes (relay and discrete electronic circuits) are these fatal flaws: (1) cannot adapt to the complex logic control, (2) only for the current project, the lack of compatibility and (3) not reforming the system with equipment improvements. Spring for the development of China's modern industrial automation technology the subs tantial increase in the level of industria l automation, completed the perfect relay of the computer too much. In terms of controlling the computer showed his two great advantages: (1) each of the hardware can be installed on one or more microprocessors; (2) the official designer of the software writing content control is all about. Now in several ways in the context of industria l automation can often be seen in three ways: (1) Programmable Logical Controller (referred to as IPC); (2) Dis tributed Control System (DCS for short), and (3) the Programmable Log ical Controller (PLC for short). 2.1.2 PLC and the IPC and DCS contrast contras t 1, each of the three technologies of origins and development requirements for fast data processing makes it invented the computer. The men brought in terms of hardwa re there, using a high level of standardization, can use more compatibility tools, is a rich softwa re res ources, especia lly the need for immediacy in operational systems. So the computer can effectively control is used to control and meet its speed, on the virtual model, real-time and in computational requirements. Distributed system started with a control system for indus trial automatic ins trument used to control, whereas now it is success fully developed into industrial control computer used as a centra l collection and distribution system and transition of distributed control system in analogue handling, loop control, has begun to reflect the use of a huge advantage. Though distributed system has great advantages in loop regulation, but only as a means of continuous process control. Optimization of PLC is the corres ponding relay needs was born, its main use in the work order control, early primary is replaced relay this hulk ing system, focused on the switch controlling the running order of functions. Marked by the microprocess or in the early 1970 of the 20th century emerged, micro-electronics technology has developed rapidly, people soon microelectronics processing technology will be used in the Programmable Logica l Controller (that is Manipulator is now used as a indus trial robots in use, the control objectives often appear often in indus trial automation. Indus trial automation technology has gradually matured, as mature a technology line has been rapid development in industria l automation as a separate subject. Manipula tor application began to filter into welding, logistics, mecha nica l process ing, and other industries. Especially at high or very low temperatures, full of pois onous gases, high radiation case, robot in similar circumsta nces showed great use als o brings great convenience to the staff. Precisely because of this robot to get people's attention began to be a high degree of development. Labor rates, working conditions, labor intens ive aspects of promoting development. Both at home and abroa d to develop the PLC (programmable logic controller) is in various specia l circumstances and under special conditions set for mechanical devices. Now turned on the development of the microelectronics automatic control technology and the rapid development of the trains, the success of PLC ha rdwa re software and simulation control win big and successful development, now continues to develop as a factory automation standards. Because robots are good development of the technology makes a good optimization of productive capita l, and robot shows this unique advantages, such as: has good compatibility, wide availability, hardware is complete, and prog ramming tha t can be mastered in a shor t time, so in the context of industria l PLC applications became ubiquitous. Manipulator in many developed country agriculture and industry has been applied, such as the use of mechanical harvesting large areas of farmla nd, repeated operations on the high-speed line tha t uses a robotic arm, and so on. Today, the hig h level of automation combined with restrictions on the manipula tor development level is slightly lower than the international. The desig n is mainly arm welding machine by PLC Automation control. This of des ign let designers on in school by learn of has a mus t of consolidation, understa nd has some usually didn't opportunities awareness in world range within some leading level of knowledge has has mus t awareness, hope designers can in yihou of design in the can success of using in this desig n in the proceeds of experience 1.2 manipulator in both at home and abroad of research profile automation mechanical arm research began Yu 20th century medium-term, after years with with computer and automation technology of development, Makes mechanical arm on the Grand stage of indus trial automation and shine, gradually became an indus trial evaluation standards, and its importance can be seen. Now origina l robotic arm spent most of mass production and use on the production line, which is programmed robotic arm. As the first generation of manipula tor position control systems main features, although not back several generations that can detect the externa l environment, but can still success fully complete like welding, pa inting, delivery as well as for materials simple movements. Second generation mechanica l arms are equipped with sens ors and manipulators have the environment there is a certain amount of "sense", when the mechanical arm is to use the program as a basis. Difference is that the robot begand A. HB =HA -a-b B. HB =HA+a+b C. HB =HA+a-b D. HB =HA–a+b 8. 《建筑机械使用安全技术规程》（JGJ—2001）规定，两台以上推土机在同一地区 作业时，前后距离最小应大于（ ）m。 A. 5 B. 7 C. 8 D. 9 9. 《混凝土结构工程施工质量验收规范》（GB33—2002）规定，当采用应力控制方 法张拉预应力筋时，实际伸长值与设计计算理论伸长值的相对允许偏差是（ ）。 A.3% B.4% C. 5% D.6% 10. 下列关于石灰技术性能的说法中，正确的是（）。 A. 硬ë时体积收缩小 B. 耐水性差 C. 硬ë较快，强度高 D. 保水性差 11. 采用玻璃肋支撑结构形式的点支撑玻璃幕墙，其玻璃肋应采用（ ）玻璃。 A. 夹层 B. 钢ë C. 钢ë中空 D. 钢ë夹层 12. 建筑幕墙性能检测中，发现由于试件的安装缺陷使某项性能未达到规定要求，最 合理的处理是（ ）。 A. 修改设计、修补试件缺陷后重新检测 B. 改进试件安装工艺、修补缺陷后重新检测 C. 修改设计、重新制作试件后重新检测 D. 更换材料、重新制作试件后重新检测 13. 地下建筑防水工程，后浇带混凝土养护时间至少为（ ）d。 A. 14 B. 21 C. 28 D. 42 14. 《施工现场临时用电安全技术规范》（JGJ46—2005）规定，施工现场临时用电 设备在 5 台及以上或设备总容量达到（ ）KW 及以上者，应编制用电组织设计。 A. 50 B. 100 C. 150 D. 200 15. 施工单位的下列行为中，应给予责令停业整顿、减低资质等级或吊销营业执照处 罚的是（ ）。 A. 擅自改变建筑维护结构节能措施，并影响公共利益和他人合法权益 B. 擅自修改设计，违反建筑节能设计强制性标准 C. 一年内，累计两项工程未按照符合节能标准要求的设计进行施工 D. 两年内，累计三项工程未按照符合节能标准要求的设计进行施工 16. 《建筑内部装修防火施工及验收规范》（GB50354—2005），木质材料进场应 进行见证取样检验的是（）。 A. B1 级木质材料 B. B2 级木质材料 C. 现场阻燃处理后的木质材料 D. 表面进行加工后的 B2 级木质材料 17. 《混凝土结构工程施工质量验收规范》（GB50204—2002）规定。钢筋安装过 程中，绑扎钢筋网的长、宽安装位置允许偏差是（ ）mm。 A. ±5 B. ±10 C. ±15 D.±20 18. 城市蓝线是指（ ）。 A. 城市规划中确定的必须控制的城市基础设施用地的控制线 全面落实企业主体责任；持续强ë两重点一重大、 “ ”重点地区和特殊作业等重点环节监管，遏制较大以上事故，保持事故总量继续下降，推动两个行业领域安全生产形势持续稳定好转。 manipulator control mode and programma ble controllers introduction 2.1 Select discuss ion with manipula tor control 2.1.1 classification of control relays and discrete electronic circuit can control old industria l equipment, but also more common. Mainly these two relatively cheap and you can meet the old-fashioned, simple (or simple) industria l equipment. So he can see them now, however these two control modes (relay and discrete electronic circuits) are these fatal flaws: (1) cannot adapt to the complex logic control, (2) only for the current project, the lack of compatibility and (3) not reforming the system with equipment improvements. Spring for the development of China's modern industrial automation technology the subs tantial increase in the level of industria l automation, completed the perfect relay of the computer too much. In terms of controlling the computer showed his two great advantages: (1) each of the hardware can be installed on one or more microprocessors; (2) the official designer of the software writing content control is all about. Now in several ways in the context of industria l automation can often be seen in three ways: (1) Programmable Logical Controller (referred to as IPC); (2) Dis tributed Control System (DCS for short), and (3) the Programmable Log ical Controller (PLC for short). 2.1.2 PLC and the IPC and DCS contrast contras t 1, each of the three technologies of origins and development requirements for fast data processing makes it invented the computer. The men brought in terms of hardwa re there, using a high level of standardization, can use more compatibility tools, is a rich softwa re res ources, especia lly the need for immediacy in operational systems. So the computer can effectively control is used to control and meet its speed, on the virtual model, real-time and in computational requirements. Distributed system started with a control system for indus trial automatic ins trument used to control, whereas now it is success fully developed into industrial control computer used as a centra l collection and distribution system and transition of distributed control system in analogue handling, loop control, has begun to reflect the use of a huge advantage. Though distributed system has great advantages in loop regulation, but only as a means of continuous process control. Optimization of PLC is the corres ponding relay needs was born, its main use in the work order control, early primary is replaced relay this hulk ing system, focused on the switch controlling the running order of functions. Marked by the microprocess or in the early 1970 of the 20th century emerged, micro-electronics technology has developed rapidly, people soon microelectronics processing technology will be used in the Programmable Logica l Controller (that is Manipulator is now used as a indus trial robots in use, the control objectives often appear often in indus trial automation. Indus trial automation technology has gradually matured, as mature a technology line has been rapid development in industria l automation as a separate subject. Manipula tor application began to filter into welding, logistics, mecha nica l process ing, and other industries. Especially at high or very low temperatures, full of pois onous gases, high radiation case, robot in similar circumsta nces showed great use als o brings great convenience to the staff. Precisely because of this robot to get people's attention began to be a high degree of development. Labor rates, working conditions, labor intens ive aspects of promoting development. Both at home and abroa d to develop the PLC (programmable logic controller) is in various specia l circumstances and under special conditions set for mechanical devices. Now turned on the development of the microelectronics automatic control technology and the rapid development of the trains, the success of PLC ha rdwa re software and simulation control win big and successful development, now continues to develop as a factory automation standards. Because robots are good development of the technology makes a good optimization of productive capita l, and robot shows this unique advantages, such as: has good compatibility, wide availability, hardware is complete, and prog ramming tha t can be mastered in a shor t time, so in the context of industria l PLC applications became ubiquitous. Manipulator in many developed country agriculture and industry has been applied, such as the use of mechanical harvesting large areas of farmla nd, repeated operations on the high-speed line tha t uses a robotic arm, and so on. Today, the hig h level of automation combined with restrictions on the manipula tor development level is slightly lower than the international. The desig n is mainly arm welding machine by PLC Automation control. This of des ign let designers on in school by learn of has a mus t of consolidation, understa nd has some usually didn't opportunities awareness in world range within some leading level of knowledge has has mus t awareness, hope designers can in yihou of design in the can success of using in this desig n in the proceeds of experience 1.2 manipulator in both at home and abroad of research profile automation mechanical arm research began Yu 20th century medium-term, after years with with computer and automation technology of development, Makes mechanical arm on the Grand stage of indus trial automation and shine, gradually became an indus trial evaluation standards, and its importance can be seen. Now origina l robotic arm spent most of mass production and use on the production line, which is programmed robotic arm. As the first generation of manipula tor position control systems main features, although not back several generations that can detect the externa l environment, but can still success fully complete like welding, pa inting, delivery as well as for materials simple movements. Second generation mechanica l arms are equipped with sens ors and manipulators have the environment there is a certain amount of "sense", when the mechanical arm is to use the program as a basis. Difference is that the robot begand B. 城市规划中确定的城市地表水体保护和控制的地域界限 C. 城市各类公共绿地范围的控制线 D. 国家及各省、自治区、直辖市人民政府公布的历史文ë街区的保护范围界限 19. 《砌体工程施工质量验收规范》（GB50203—2002）规定，砌砖工程当采用铺 浆法砌筑时，施工期间温度超过 30℃时，铺浆长度最大不得超过（ ）mm。 A. 400 B. 500 C. 600 D. 700 20. 钢结构防火性能差，当温度达到 550℃时，钢筋的屈服强度大约降至正常温度时 屈服强度的（ ）。 A. 0.6 B. 0.7 C. 0.8 D. 0.9 二、多项选择题（共 10 题，每题 2 分。每题的备选项中，有 2 个或 2 个以上符合题 意，至少有 1 个错项。错选，本题不得分；少选，所选的每个选项得 0.5 分） 21. 下列关于建筑装饰材料复验取样的说法中，正确的有（ ）。 A. 对同一厂家的同一品种、同一类型的进场材料应至少抽取一组进行复验 B. 对材料质量发生争议时，应进行见证检测 C. 对同一类型的进场材料，应至少抽取三组样品进行复验 D. 见证取样和送验的比例不得低于应取样数量的 50% E. 在抽取样品时，应首先选取有疑问的样品 22. 下列关于屋面卷材铺贴的说法中，正确的有（ ）。 A. 屋面坡度小于 15%时，卷材可平行屋脊铺贴 B. 屋面坡度大于 15%时，沥青防水卷材应垂直屋脊铺贴 C. 屋面受震动时，合成高分子防水卷材卷材可平行或垂直屋脊铺贴 D. 长边搭接宽度不得小于 150mm，短边搭接宽度不得小于 100mm E. 上下层卷材不得相互垂直铺贴 23. 建筑地面变形缝应按设计要求设置，并应符合（ ）等要求。 A. 沉降缝、伸缩缝应贯通建筑地面的各构造层 B. 室内地面的水泥混凝土垫层，应设置纵向和横向伸缩缝 C. 水泥混凝土垫层的平头缝缝间应设置隔离材料 D. 毛地板铺设时，与墙之间不应留有缝隙 E. 实木地板面层铺设时，面板与墙之间应留 8~12mm 缝隙 24. 下列关于建筑幕墙构（配）件之间粘接密封胶选用的说法中，正确的有（ ）。 A. 聚硫密封胶用于全玻璃幕墙的传力胶缝 B. 环氧胶粘剂用于石材幕墙板与与金属挂件的粘接 C. 云石胶用于石材幕墙板之间的嵌缝 D. 丁基热熔密封胶用于中空玻璃的第一道密封 E. 硅酮结构密封胶用于隐框玻璃幕墙与铝框的粘接 25. 下列关于防水混凝土施工缝留置技术要求的说法中，正确的有（ ）。 A. 墙体水平施工缝应留在高出地板表面不小于 300mm 的墙体上 B. 拱（板）墙结合的水平施工缝，宜留在拱（板）墙接缝线以下 150~300mm 处 C. 墙体有预留洞时，施工缝距孔洞边缘不应小于 300mm D. 垂直施工缝应避开变形缝 E. 垂直施工缝应避开地下水和裂隙水较多的地段 26. 根据《建筑工程施工质量验收统一标准》（GB50300—2001），符合建筑工程 分项质量验收合格规定的有（ ）。 A. 分项工程所含的检验批均应符合合格质量的规定 全面落实企业主体责任；持续强ë两重点一重大、 “ ”重点地区和特殊作业等重点环节监管，遏制较大以上事故，保持事故总量继续下降，推动两个行业领域安全生产形势持续稳定好转。 manipulator control mode and programma ble controllers introduction 2.1 Select discuss ion with manipula tor control 2.1.1 classification of control relays and discrete electronic circuit can control old industria l equipment, but also more common. Mainly these two relatively cheap and you can meet the old-fashioned, simple (or simple) industria l equipment. So he can see them now, however these two control modes (relay and discrete electronic circuits) are these fatal flaws: (1) cannot adapt to the complex logic control, (2) only for the current project, the lack of compatibility and (3) not reforming the system with equipment improvements. Spring for the development of China's modern industrial automation technology the subs tantial increase in the level of industria l automation, completed the perfect relay of the computer too much. In terms of controlling the computer showed his two great advantages: (1) each of the hardware can be installed on one or more microprocessors; (2) the official designer of the software writing content control is all about. Now in several ways in the context of industria l automation can often be seen in three ways: (1) Programmable Logical Controller (referred to as IPC); (2) Dis tributed Control System (DCS for short), and (3) the Programmable Log ical Controller (PLC for short). 2.1.2 PLC and the IPC and DCS contrast contras t 1, each of the three technologies of origins and development requirements for fast data processing makes it invented the computer. The men brought in terms of hardwa re there, using a high level of standardization, can use more compatibility tools, is a rich softwa re res ources, especia lly the need for immediacy in operational systems. So the computer can effectively control is used to control and meet its speed, on the virtual model, real-time and in computational requirements. Distributed system started with a control system for indus trial automatic ins trument used to control, whereas now it is success fully developed into industrial control computer used as a centra l collection and distribution system and transition of distributed control system in analogue handling, loop control, has begun to reflect the use of a huge advantage. Though distributed system has great advantages in loop regulation, but only as a means of continuous process control. Optimization of PLC is the corres ponding relay needs was born, its main use in the work order control, early primary is replaced relay this hulk ing system, focused on the switch controlling the running order of functions. Marked by the microprocess or in the early 1970 of the 20th century emerged, micro-electronics technology has developed rapidly, people soon microelectronics processing technology will be used in the Programmable Logica l Controller (that is Manipulator is now used as a indus trial robots in use, the control objectives often appear often in indus trial automation. Indus trial automation technology has gradually matured, as mature a technology line has been rapid development in industria l automation as a separate subject. Manipula tor application began to filter into welding, logistics, mecha nica l process ing, and other industries. Especially at high or very low temperatures, full of pois onous gases, high radiation case, robot in similar circumsta nces showed great use als o brings great convenience to the staff. Precisely because of this robot to get people's attention began to be a high degree of development. Labor rates, working conditions, labor intens ive aspects of promoting development. Both at home and abroa d to develop the PLC (programmable logic controller) is in various specia l circumstances and under special conditions set for mechanical devices. Now turned on the development of the microelectronics automatic control technology and the rapid development of the trains, the success of PLC ha rdwa re software and simulation control win big and successful development, now continues to develop as a factory automation standards. Because robots are good development of the technology makes a good optimization of productive capita l, and robot shows this unique advantages, such as: has good compatibility, wide availability, hardware is complete, and prog ramming tha t can be mastered in a shor t time, so in the context of industria l PLC applications became ubiquitous. Manipulator in many developed country agriculture and industry has been applied, such as the use of mechanical harvesting large areas of farmla nd, repeated operations on the high-speed line tha t uses a robotic arm, and so on. Today, the hig h level of automation combined with restrictions on the manipula tor development level is slightly lower than the international. The desig n is mainly arm welding machine by PLC Automation control. This of des ign let designers on in school by learn of has a mus t of consolidation, understa nd has some usually didn't opportunities awareness in world range within some leading level of knowledge has has mus t awareness, hope designers can in yihou of design in the can success of using in this desig n in the proceeds of experience 1.2 manipulator in both at home and abroad of research profile automation mechanical arm research began Yu 20th century medium-term, after years with with computer and automation technology of development, Makes mechanical arm on the Grand stage of indus trial automation and shine, gradually became an indus trial evaluation standards, and its importance can be seen. Now origina l robotic arm spent most of mass production and use on the production line, which is programmed robotic arm. As the first generation of manipula tor position control systems main features, although not back several generations that can detect the externa l environment, but can still success fully complete like welding, pa inting, delivery as well as for materials simple movements. Second generation mechanica l arms are equipped with sens ors and manipulators have the environment there is a certain amount of "sense", when the mechanical arm is to use the program as a basis. Difference is that the robot begand B. 主要功能项目的抽查结果应符合相关专业质量验收规范的规定 C. 分项工程所含的检验批的质量验收记录应完整 D. 地基与基础、主体结构与设备安装等分部工程有关安全及功能的检验和抽样检测结 果应符合有关规定 E. 质量控制资料应完整 27. 《建筑施工扣件式钢管脚手架安全技术规程》（JGJ130—2001）规定，脚手架 及其地基基础在（ ）后必须进行检查和验收。 A. 作业层上施加荷载 B. 遇到六级及六级以上大风、大雨 C. 每搭设完 10~13m 的高度 D. 达到设计要求 E. 停用超过 15d 28. 施工现场临时用电配电箱的电器安装的设置，应为（ ）。 A. N 线端子板必须与金属电器安装版绝缘 B. 必须分设 N 线端子板和 PE 线端子板 C. 正常不带电的金属底座、外壳等必须直接与 PE 线做电气连接 D. PE 线端子板必须与金属电器安装版绝缘 E. PE 线端子板必须与金属电器安装版做电气连接 29. 《建筑工程工程量清单计价规范》（GB50500—2003）规定，分部分项工程量 清单计价采用的综合单价由（）组成，并考虑风险因素。 A. 人工费 B. 规费和税金 C. 材料费 D. 机械费 E. 管理费和利润 30. 根据《民用建筑工程室内环境控制规范》（GB50325—2001）规定，下列工程 中属于Ⅱ类的有（类的有（ ）。 A. 民用建筑工程 B. 住宅 体育馆 C. 办公楼 医院 D. 四星级以上宾馆 三、案例分析题（共 5 题，（一）、（二）、（三）题各 20 分，（四）、（五）题 各 30 分） （一）【背景资料】 某市中心区新建一座商业中心，建筑面积 26 000m2，地下二层，地上十六层，一至 三层有裙房，结构形式为钢筋混凝土框架结构，柱网尺寸为 8.4×7.2m，其中二层南侧有 通常悬挑露台，悬挑长度为 3m,。施工现场内有一条 10KV 高压线从场区东侧穿过，由于 该 10KV 高压线承担周边小区供电任务，在商业中心工程施工期间不能改线迁移。 某施工总承包单位承接了该商业中心工程的施工总承包任务。该施工总承包单位进场 后，立即着手进行施工现场平面布置： （1）在临市区主干道的南侧采用 1.6m 高的砖砌围墙做围挡； （2）为节约成本，施工总承包单位决定直接利用原土便道作为施工现场主要道路； （3）为满足模板加工的需要，搭设了一间 20m2 的木工加工间，并配置了一只灭火 器； （4）受场地限制在工地北侧布置塔吊一台，高压线处于塔