A、 The valves are double flap spring-loaded valves mounted on the wheel well side of the front bulkhead of the wheel well, with 9-inch (228 mm) pipes from the assembly into the space above the wing.
B、 The valves which are attached to the wheel well side of the wheel well forward bulkhead, where the 9-inch (228 mm) ducts from the packs get into the space above the wings,are of dual flapper spring-loaded type.
C、 The valves which are fixed to the wheel well side of the wheel well forward bulkhead are dual flapper spring-loaded type valves where the 9-inches (228 mm) tubes from the units enter into the space above the wings.
答案：B
A、 The valves are double flap spring-loaded valves mounted on the wheel well side of the front bulkhead of the wheel well, with 9-inch (228 mm) pipes from the assembly into the space above the wing.
B、 The valves which are attached to the wheel well side of the wheel well forward bulkhead, where the 9-inch (228 mm) ducts from the packs get into the space above the wings,are of dual flapper spring-loaded type.
C、 The valves which are fixed to the wheel well side of the wheel well forward bulkhead are dual flapper spring-loaded type valves where the 9-inches (228 mm) tubes from the units enter into the space above the wings.
答案：B
A. 按压取消按钮取消冻结模式。
B. 按压按钮取消选定的冻结模式。
C. 按压按钮取消冻结模式。
A. Make sure that the warning light turns on within 3 seconds.
B. Make sure that the warning light is on for at least 3 seconds.
C. Make sure that the warning light is turned on in no more than 3 seconds.
A. The right No.1 window is the pilot’s windshield;
B. The right No.1 window is the copilot’s windshield;
C. The right No.1 window is the observer’s windshield;
A. 确认飞机尾部无损坏迹象。
B. 确认飞机尾部无擦地迹象。
C. 确认飞机尾部无地面标志。
A. Each Chapter or Section is begin with either a general description of the system or its operation and Description and Operation should be labeled.
B. Each Chapter or Section is begin with neither a general description of the system nor its operation and Description and Operation should be labeled.
C. Description and Operation should be labeled in each Chapter or Section which is open with both a general description of the system and its operation.
A. 高温和易燃的液体泄露可能会导致起火,危及飞机安全。
B. 易燃液体会引起火灾,这样飞机就危险了。
C. 易燃流体会引起火灾,危及飞机安全。
A. In an emergency, you can use fuel F-43 as an alternative to fuels F-34 and F-40.
B. In an emergency, you can replace fuels F-43 with fuels F-34 and F-40.
C. In an emergency, fuel F-43 can be used as an alternate to fuels F-34 and F-40.
A. 如果一个代词能参考文本中的一个或多个名词,它会使句子产生异义。如果一个句子产生异义,参考原词更换代词。这将使读者更清楚易读。
B. 如果一个代词能指代文本中的一个或多个名词,它会使句子模棱两可。如果一个句子模棱两可,用它所指的词代替代词。这将使句子更清楚易读。
C. 如果一个代词能引申文本中的一个或多个名词,它会使句子晦涩难懂。如果遇到这样的情况,更换所引申的代词。这将使句子更清楚易读。
A. ABC has determined the varied mission the airplanes performed, type of care given, and age and utilization rates because providing additional inspection requirement is prerequisite to further ensure that the airplane can continue to carry the design loads it was initially certified for based on inspections, tests and analyses.
B. ABC has determined that providing additional inspection requirements is prerequisite to further ensure that the airplanes can continue to carry the design loads it was initially certified for based on inspections, tests and analyses because of the varied mission the airplanes performed, type of care given, dan age and utilization rates.
C. To further ensure that the airplanes can continue to carry the design loads it was initially certified for, owing to the diversified mission the airplanes performed, type of care given, and age and utilization rates, ABC has determined that providing additional inspection requirements is necessary based on inspections, tests and analyses.
A. Spoilers are used to enhance aircraft resistance in flight or to disrupt boost during landing and when take-off is canceled.
B. Spoilers are used to increase the aircraft drag in flight, or destroy the lift during landing and in case of aborted take-off.
C. Spoilers are used to increase the drag of the aircraft in flight, or to interrupt lift during landing land during rejected take-off.
