A、 氧气系统包括氧气瓶、释压阀、关断阀、出气口、调节器、面罩等。
B、 供氧系统包括氧气瓶、释放阀、截止阀、排气口、监管者、面罩等。
C、 供氧系统包括氧气瓶、开关阀、切断阀、紧急出口、调节器、面罩等。
答案：A
A、 氧气系统包括氧气瓶、释压阀、关断阀、出气口、调节器、面罩等。
B、 供氧系统包括氧气瓶、释放阀、截止阀、排气口、监管者、面罩等。
C、 供氧系统包括氧气瓶、开关阀、切断阀、紧急出口、调节器、面罩等。
答案：A
A. 授权人员必须仅操作刹车。
B. 务必仅由授权人员操作刹车。
C. 授权人员只能按要求操作刹车。
A. Point out that the FAA should be contacted prior to any alterations on airplane to ensure that the airworthiness of the airplane is not violated.
B. Point out that the FAA should be informed after any modifications on airplane to ensure that the airworthiness of the airplane is not effected .
C. Point out that any modifications on airplane may be informed to FAA to confirm the airworthiness of the airplane.
A. Maximum Limiting speed Unsticks is the speed restrain which will not be intentionally surpassed in typical flight operations. V is communicated in knots and M in Mach Number.
B. Maximum Restriction Speed is the fastest a plane can fly without breaking the rules in normal flight. The speed is measured in knots and Mach Number.
C. Maximum Operating Limit Speed is the speed limit that may not be deliberately exceeded in normal flight operations. V is expressed in knots and M in Mach Number.
A. 在词典中给出的形容词都是原形，如果有比较级和最高级，以括号标示出。
B. 词典中每个被认可的形容词都列入基本表格，如适用，将其比较和最高级形式放在一起。
C. 词典中每个被认可的形容词都以原形给出，如适用，将加入比较级和最高级表格。
A. If you find an incorrect quantity of air from the vent mast, do a system test.
B. A system test should be conducted once you find an abnormal airflow from the vent mast.
C. It is necessary to do a system test after you find the air quality in the vent mast is improper.
A. 必要时，应使用示意图来指示“流量”，并以尽可能直接的方式说明空气控制、电气、流体动力、燃料和涡轮系统的操作。
B. 必要时，应使用示意图显示“工作流程 ”，简洁明了地显示气源系统、电源系统、液压系统、燃油系统和涡轮系统的运行。
C. 必要时应使用示意图，以表明“流向”，并以尽可能直接的方式说明空气控制、电气、流体动力、燃料和涡轮增压系统的操作。
A. Handbooks shall be revised easily.
B. Handbooks should not be revised easily.
C. Handbooks should be developed easily.
A. The section of the system which is used to sense and signal the formation of ice.
B. The portion of the system which is used to detect and display the condition of ice.
C. The portion of the system which is used to detect and indicate the formation of ice.
A. Attach the aft cargo compartment forward bulkhead central panel.
B. Mount the front cargo compartment backward bulkhead center panel.
C. Fix the aft bulkhead forward panel to the forward cargo component.
A. The ailerons are located to the outside rare edge of each wing.
B. The spoilers are located on the outside rare edge of each wing.
C. The ailerons are located on the outboard trailing edge of each wing.
