A、 飞机不同的尺寸和面积决定于飞机的用途,但是所有现代飞机都有一些共同的部件。
B、 飞机不同的形状和尺寸决定于飞机的用途,但是所有现代飞机都有一些共同的部件。
C、 飞机不同的形状和尺寸决定于飞机的用途,但是所有现代飞机都有一些共同的特性。
答案：B
A、 飞机不同的尺寸和面积决定于飞机的用途,但是所有现代飞机都有一些共同的部件。
B、 飞机不同的形状和尺寸决定于飞机的用途,但是所有现代飞机都有一些共同的部件。
C、 飞机不同的形状和尺寸决定于飞机的用途,但是所有现代飞机都有一些共同的特性。
答案：B
A. The delivery of the aircraft is required to ensure its airworthiness, therefore it is subject to customer inspection procedures
B. The airplanes are airworthy because they were delivered in accordance with advised inspection procedures
C. The airplanes are delivered with mandatory inspection procedures to ensure their airworthiness.
A. Energy is never created or lost it＇s a physics law that it just changes from one kind of energy to another and in our case, motion energy turns into heat energy when we brake.
B. It is a law of physics that energy is never produced or destroyed. It just changes from one type of energy into another type. In our example the kinetic energy changes into heat energy during braking.
C. Energy is never produced or lost, it＇s a physical law that it just transfers from one kind of energy to another and in our case, moving energy turns into heat energy when braking.
A. Do the leak test of the system.
B. Test the system for leaks.
C. Find the leaks of the sytem.
A. Elevator is a hinged moveable part on the trailing edge of the lateral stabilizer
B. Elevator is a hinged moveable part on the trailing edge of the vertical stabilizer
C. Elevator is a hinged moveable part on the trailing edge of the horizontal stabilizer
A. was not; was
B. does not; are
C. did not; was
A. The data may be supplemented by brief descriptions of additional Characteristics or features if desired.
B. If necessary, the detail may supplement some simple descriptions of additional characteristics or properties.
C. If desired. The detail may be added by simple presentations of additional values or properties.
A. 甲醇.....
B. 乙醇.....
C. 丙醇......
A. This chapter introduces components which record, store, or calculate data from related systems.
B. This chapter introduces units which keep, store or compute information from unrelated systems.
C. This chapter introduces units which record, store, or compute data from unrelated systems.
A. It is permitted, if the local fire regulations and standards are more stringent than those regulations described in the following steps.
B. It is allowed, if the local fire codes and standards are more complicated than those legislations listed in the following steps.
C. It is possible that local fire protection regulations, and standards are necessary to be used more restrictive than those mentioned in the subsequent steps.
A. Accessory Compartments are those compartments used for the housing of various components or accessories;
B. Cargo Compartment is used to store various components and cargo;
C. Component Compartment is used to house various components and equipments;
