A、 Sometimes, especially for comprehensive airplanes, it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.
B、 Sometimes, especially for complex airplanes, it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.
C、 Sometimes, especially for complex airplanes, it may be necessary to provide complex training in the proper maintenance of the airplane and its systems.
答案：B
A、 Sometimes, especially for comprehensive airplanes, it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.
B、 Sometimes, especially for complex airplanes, it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.
C、 Sometimes, especially for complex airplanes, it may be necessary to provide complex training in the proper maintenance of the airplane and its systems.
答案：B
A. Put down a face mask and protective clothing.
B. Put on a face goggle and protective clothing.
C. Put on a face mask and protective clothing.
A. 这些安全警告满足维修区工作的全部要求。
B. 这些安全提示有必要作为维修区工作要求。
C. 这些安全预防措施是在维修区工作的最低要求。
A. 对于特定飞机设计、操作或操纵特征的紧急情况,应提供安全操作所需的紧急程序和其他相关信息。
B. 对干特定飞机设计、操作或操纵特征的应急部件,应提供安全操作所需的紧急程序和其他关键信息。
C. 应提供安全操作所需的紧急程序和其他非正常信息,这些信息对应于不同的特定飞机设计、操作或操纵特征的紧急情况。
A. Paper and wood belong to the combustible materials of Class B fire.
B. Electrical equipment and magnesium belong to the combustible materials of Class B fire.
C. Hydraulic fluid, oil and fuel belong to the combustible materials of Class B fire.
A. It is ordered to present an general idea of the job.
B. Its purpose is to provide the general idea of the work.
C. It is intended to present an overall idea of the job.
A. If you have no doubt about the serviceability of the unit perform a standard serviceability test.
B. If you have no knowledge about the serviceability of the unit do a standard serviceability test.
C. If there are doubts about the serviceability of the unit, carry out a standard serviceability test.
A. Attach the cable to the structurewith wire;
B. Make the wire and cable parallel to the structure;
C. Connect the wire of the cable to the structure;
A. 烟雾,火焰和二氧化碳检测系统;
B. 烟雾,火焰和一氧化碳检测系统;
C. 烟雾,火焰和碳化物检测系统;
A. The responsibility of ABC is not to modify the airplanes that belong to STC.
B. It is not STC＇s responsibility to modify ABC＇s aircraft.
C. ABC is not in charge of the aircraft modified by STC.
A. English is not often the private language of the reader s of technical books
B. English is not often the required language of the readers of technical pamphlet.
C. English is not often the mother language of the readers of technical files.
