A、 If you use solvent in a closed space, make sure that there is good airflow in the work area.
B、 When using composite in confined space, make sure it has good ventilation.
C、 You can not use sealant in enclosed space on condition that there is no good ventilation.
答案：A
A、 If you use solvent in a closed space, make sure that there is good airflow in the work area.
B、 When using composite in confined space, make sure it has good ventilation.
C、 You can not use sealant in enclosed space on condition that there is no good ventilation.
答案：A
A. It is necessary to define symbols, abbreviations and terminology for the clear understanding of the information presented in various sections of the Handbook.
B. Define signatures, short words and jargon necessary for understanding clearly of the information contained in every section of the Handbook.
C. It is important to define signs, acronyms and nomenclature for the understanding of the information provided in these sections of the Handbook.
A. 如果危险被含糊描述，人员在执行任务时要了解风险，并更加小心。
B. 危险是否被清楚说明，以致于执行任务的人是否有必要了解风险，并更加小心。
C. 如果清楚说明了危险，执行任务的人就会了解风险，且更加小心。
A. 将车辆拉至规定的安全区域。
B. 将车辆拉至特定的、可以使用程序的区域。
C. 将车辆拉至可以使用标准程序的安全区域。
A. 确保没有剪断操纵钢索。
B. 确保没有关断控制电源。
C. 确保没有连接控制电缆。
A. Ground Control depicts minimum diameter of turning for taxiing and ground operation.
B. Ground Control describes minimum radius of turn for taxiing and ground handling.
C. The least radius of turn for taxiing and ground maneuver is described in Ground Control.
A. 检修时更换的螺母和垫圈不要丢弃，应该进行检查。
B. 如果在检查过程中拆卸了螺母和垫圈，则应更换。不要重复使用。
C. 对拆下的螺母和垫圈要进行检查，损坏的件不可以重复使用。
A. 勤务包括为飞机提供适当的燃油和滑油的信息。
B. 勤务工作需要飞机的信息，以便提供适当的燃油和滑油。
C. 勤务需要相应的信息才可以给飞机提供足量的燃油和滑油。
A. 仔细测量滑油的容积。
B. 仔细测量滑油的流速。
C. 仔细测量滑油的密度。
A. Those units and components provide for external and internal illumination such as landing lights, taxi lights, position lights, rotating lights, ice lights, cabin warning lights, passenger reading and cabin dome lights, etc.
B. Those units and components provide for external and internal illumination such as landing lights, taxi lights, position lights, rotating lights, ice lights, master warning lights, passenger reading and cabin dome lights, etc.
C. Those units and components provide for external and internal illumination such as landing lights, taxi lights, navigation, position indicating, ice lights, master warning lights, passenger reading and cabin floor lights, etc.
A. 如果滑油渗漏超过5滴，每分钟检测密封胶。
B. 如果滑油渗漏超过每分钟5滴，检查密封胶。
C. 如果燃油渗漏超过每分钟5滴，更换密封胶。
