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场景（一）某海滨城市一建筑工程，16层施工时正遇台风多雨季节，为了保质保量完成施工任务，项目部制定了安全文明施工保障措施，落实了防火措施，主要部位设置了安全警示标志牌，并加强了对高空作业人员的安全教育。安全员在检查时，发现存在以下问题：（1）下雨天，地下室用电不符合要求；（2）临时消防水管不符合要求；（3）电焊工动火时未经审查批准。根据场景（一），作答下列题目： 安全带使用时应（），防止摆动碰撞。
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The nurse is administering total parenteral nutrition (TPN) to a client who underwent surgery for gastric cancer. What is a major complication of TPN
Sharks Perform a Service for Earth’s Waters It is hard to get people to think of sharks as anything but a deadly enemy. They are thought to (51) people frequently. Although these fish perform a valuable (52) for earth’s waters and for human beings, business and sport fishing are threatening their (53) . As a result, some sharks are at risk of disappearing from Earth. Warm weather may influence both fish and shark (54) . Many fish swim near coastal areas because of their (55) waters. Experts say sharks may follow the fish into the same areas, (56) people also swim. In fact, most sharks do not purposely charge at or bite humans. They are thought to mistake a person (57) a sea animal, such as a seal (海豹) or sea lion. That is why people should not swim in the ocean when the sun goes down or comes up, because those are the times when sharks are looking for (58) . Experts also say that bright colors and shiny jewelry (珠宝) may cause sharks to attack. A shark has an extremely ’good sense of (59) , with which it can find small amounts of substances in water, such as blood, body liquids and chemicals (60) by animals. These powerful senses help sharks find their food. Sharks eat fish, any (61) sharks, and plants that live in the ocean. Medical researchers want to learn more about the shark’s body defense and immune (免疫的) (62) against disease. Researchers know that sharks (63) quickly from injuries. They study the shark in hopes of finding a way to fight human disease. Sharks are important for the world’s oceans, as they eat injured and diseased fish. Their (64) activities mean that the numbers of other fish in ocean waters do not become too (65) . This protects the plants and other forms of life that exist in the oceans.
场景（三）某医院改扩建工程于2006年5月1日申报竣工，同年5月10日竣工验收合格，5月20日工程移交，5月24日办理了竣工验收备案手续。总包施工单位提交了工程质量保修书。在保修期间，建设单位找了一个家装施工队进行地板改造，将地埋采暖管损坏，冬季供暖时发生了跑水事故。医院在发生跑水后立即通知总包施工单位维修。地埋采暖管修复后，各方因维修费用的承担发生争议。根据场景（三），作答下列题目： 在正常使用下，供热系统最低保修期限为（）。
场景(四)某5层公建工程，条石基础，砖混结构，现浇钢筋混凝土楼板，局部采用防火玻璃隔断。 首层跨度4.5m梁，起拱高度设计无具体要求。检查发现：模板支设起拱不符合要求;楼板中配筋为Φ10@200钢筋错放为Φ8@200。 竣工五年后发生一次地震，房屋多处发生开裂，多处结构破坏。根据场景(四)，作答下列题目： 本工程室内台阶踏步宽度不宜小于（）mm，踏步高度不宜大于150mm。
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