A、 Water above the kitchen floor can seep in through small holes in the floor surface, invisible to the naked eye.
B、 Eyes cannot see the vapor which may penetrate through small holes of the floor surface in the galley.
C、 Moisture above the galley floor can go through small holes in the floor surface area and stay out of view.
答案：C
A、 Water above the kitchen floor can seep in through small holes in the floor surface, invisible to the naked eye.
B、 Eyes cannot see the vapor which may penetrate through small holes of the floor surface in the galley.
C、 Moisture above the galley floor can go through small holes in the floor surface area and stay out of view.
答案：C
A. To make sure that ATC transceivers are in standby mode, you must simulate altitude, otherwise false TCAS signals may occur intermittently.
B. Make sure the ATC transmitters are in standby mode, or false TCAS targets may occur accidentally due to altitude simulation.
C. Make sure that the ATC transponders are in standby mode when you simulate altitude. You can accidentally cause false TCAS targets.
A. Lubricate the engine and its accessories with the same brand.
B. Lubricants for the engine and the auxiliary equipment are the same.
C. The engine and the additional devices are greased in a same manner.
A. It is suggested that nickel plated corrosion resistant steel or nickel plated steel fittings be used as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
B. Suggest to use vanadium plated corrosion resistant steel or vanadium plated steel fittings as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
C. It is recommended that cadmium plated corrosion resistant steel or cadmium plated steel fittings be used as replacements for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
A. Instead of starting each program at the top of a new page, procedures should be prepared in chapter numbering sequence, with appropriate primary and secondary headings.
B. Each Chapter of the procedure shall be prepared in reference number order with appropriate, hierarchical headings. The beginning of a new section of the procedure does not need to start a new page.
C. Procedures shall be prepared in reference number sequence within each Chapter with proper major and minor subject heads, without the necessity of each procedure starting at the top of a new page.
A. 应说明最小机组人数，以及如果需要一名以上飞行机组人员时，还应说明每个机组人员的职责。
B. 需要一名以上飞行机组人员时，应说明最小机组人数和每个机组人员的职能说明。
C. 请按要求说明机组成员人数，以及每位机组成员的职能。
A. Make sure that there is something in the pipe.
B. Make sure that there is nothing in the pipe.
C. Make sure that blockage is in the pipe.
A. Return battery capacity to assigned standard.
B. Replace battery capacity to required standard.
C. Restore battery capacity to required standard.
A. If as many as 50% of the holes are contaminated, you should clean the display units behinds the holes.
B. The holes on the bottom of the display unit should be cleaned once over 50% of them are clogged due to contamination.
C. If contamination causes a blockage of more than 50 percent of the holes, then clean the holes on the rear of the display units.
A. 飞机结构件的面积、尺寸、站位、接近门以及物理位置由表、图和文本表示。
B. 飞机结构件的面积、尺寸、纵剖面、接近门以及物理位置由表、图和文本表示。
C. 飞机结构件的面积、尺寸、水位线、接近门以及物理位置由表、图和文本表示。
A. Mach digit is the percent of true airspeed to the speed of sound.
B. Mach number is the ratio of true airspeed to the speed of sound.
C. Mach number is the proportion of real airspeed to the speed of light.
