A、 Thrust and drag act forward and rearward respectively.
B、 Lift acts horizontally forward.
C、 Thrust and lift act in the same direction.
答案：A
A、 Thrust and drag act forward and rearward respectively.
B、 Lift acts horizontally forward.
C、 Thrust and lift act in the same direction.
答案：A
A. 所有滑油都收集在舱里的最低点。
B. 所有液体都收集在舱里的最低点。
C. 所有液体都收集在室内的最低点。
A. Put the mark in its correct position with the help of the clamp.
B. The clamp can be used to let you set the mark in its correct position.
C. The mark can be used to let you put the clamp in its right position.
A. An example is the bleed system, supplying bleed to both the air conditioning system and the engine starters.
B. An example is the pneumatic system, supplying air to both the air conditioning system and the engine starters.
C. For example is the pneumatic system, giving air to both the air conditioning system and the engine starters.
A. For aircraft with a range of sophistic or complex systems, a system-wide indexing approach is recommended.
B. For aircraft including an article of exquisite or complex systems, a whole system indexing way is intended.
C. The aircraft which have a number of complicated or complex systems are suggested to use the full system/chapter index method.
A. 这会导致组件的机械性能的恶化。
B. 这会导致组件的机械部件的变形。
C. 这会导致组件的机械装置碰撞。
A. Air date computer got pitot and static pressure, together with the total air temperature.
B. The ADC is not able to give output to flight control computers.
C. The ADC can produces an indication of indicated airspeed and true airspeed, but can not produce Mach number.
A. Caution notes regarding possible hazards of using authorized and unauthorized cleaning agents shall be included.
B. Caution notes regarding use of unauthorized cleaning agents and possible hazards of using authorized ones shall be included.
C. Caution notes regarding use of authorized cleaning agents and possible hazards of use of unauthorized ones shall be included.
A. Some chemicals can not be used if they are well kept.
B. Some chemicals must be well kept as long as they can ben used.
C. Some chemicals can be used only if they are well kept.
A. 用一块布沿钢索摩擦,以发现损伤。
B. 要找出电线上的损伤,用一块布在上面擦一擦。
C. 用布擦干净导线以发现损伤。
A. That portion of the system that monitors the flight of aircraft during approach and landing. This includes sensing, computing, indicating and warning devices such as computers, indicators, warning lights, etc.
B. That portion of the system that monitors the flight of aircraft during approach and RTO. This includes sensing, computing, indicating and caution devices such as computers, indicators, caution lights, etc.
C. That portion of the system that monitors the flight of aircraft during takeoff and go around. This includes sensing, computing, indicating and warning devices such as computering, indicating, warning lights, etc.
