A、 During this period,if you use economy power settings,the engine may be damaged."
B、 The use of economy power settings during this period may be detrimental to the engine life."
C、 The use of economy power settings during this period may reproduce the engine life."
答案：B
A、 During this period,if you use economy power settings,the engine may be damaged."
B、 The use of economy power settings during this period may be detrimental to the engine life."
C、 The use of economy power settings during this period may reproduce the engine life."
答案：B
A. You can find electronic devices in nearly all aircraft systems.They are system control and monitoring computer,the control inputs and indications in the cockpit and sensors throughout the whole aircraft.
B. The computer used for system control and monitoring and the control inputs and indications in the cockpit and sensors all over the whole aircraft are the electronic devices used in almost all aircraft systems.
C. Electronic devices can be found in nearly all aircraft systems that are computer for system control and monitoring in the cockpit and sensors all over the whole aircraft.
A. Those instructions necessary to park or store the aircraft in normal or abnormal conditions such as with engines removed,aircraft damaged,etc.neither short-term nor long-term.
B. Instructions required for parking or storing the aircraft under normal or abnormal conditions,such as engine removal,aircraft damage,etc.,which are used for short-term or long-term under extreme weather conditions.
C. Those instructions necessary to park or store the aircraft in normal or abnormal conditions such as with engines removed,aircraft damaged,etc.either short-term or long-term.
A. Rub the basin with water.
B. Flush the basin with water.
C. Fill the basin with water.
A. You can use all standard English parentheses except the colon.
B. You can use all standard English contraction marks except the hyphen.
C. You can use all standard English punctuation marks except the semicolon.
A. 给坦克更换新的燃油。
B. 用新的滑油灌洗油箱。
C. 给油箱注入新的滑油。
A. Let the plate dry at applicable temperature.
B. Let the plant dry at available temperature.
C. Let the paint dry at ambient temperature.
A. When the temperature of vent rises to 27℃,the exhaust pipe opens.
B. When the ventilation temperature is above 27℃,the drain mast opens.
C. When the temperature of the ventilation air increases to 27 °c,the discharge valve opens.
A. 把飞机推回到原来的位置。
B. 将飞机恢复到通常状态
C. 把飞机向后推到原来的位置。
A. Do the troubleshooting procedure to find the cause of the malfunction.
B. Do the troubleshooting process to look the result of the malfunction.
C. Find the cause of the malfunction to do the troubleshooting procedure.
A. 能防止自由运动的活塞在套筒中有划伤。
B. 刻痕能阻止活塞在套筒中的自由运动。
C. 刻痕能防止自由运动的活塞在套筒中。
