A、 Composite structure combines high stength and rigidity with heavy weight.
B、 Composite structure possesses the characteristic of high stength and rigidity.
C、 Composite structure’s stength and rigidity are more than that of metal structure,at the same time, Composite structure has light weight.
答案：B
A、 Composite structure combines high stength and rigidity with heavy weight.
B、 Composite structure possesses the characteristic of high stength and rigidity.
C、 Composite structure’s stength and rigidity are more than that of metal structure,at the same time, Composite structure has light weight.
答案：B
A. 如果故障频繁出现,进行系统测试。
B. 如果故障定期出现,进行系统测试。
C. 如果故障随机出现,进行操作测试。
A. ADD
B. INCREASE
C. FILL
A. 供给系统有这些用处。
B. 分散系统有这些功能。
C. 分配系统有这些功能。
A. However, manufacturers may omit System/Chapters that are not applicable to the product or combine Systems/Chapters where it is feasible.
B. However, manufacturers may adopt Systems/Chapters that are not applicable to the product or constitute systems/Chapters when necessary.
C. However, operators may omit Systems/Chapters applicable to the product or constitute Systems/Chapters where practical.
A. State structure of air frame, wings and tail.
B. Present structure of air frame, wings and empennage.
C. Describe structure of fuselage, wings, and empennage.
A. Landing gear position will not effect its speed;
B. The stall speed will be effected by landing gear position;
C. The stall speed is not effected by landing gear position;
A. 确认蒙皮没有损伤
B. 确认皮肤没有受伤
C. 确认蒙皮没有划伤
A. 所得数据用于确定是否应考虑将部件并入CAP。
B. 数据结果用于确定是否应考虑部件并入CAP。
C. 最终数据用于确定是否应考虑将部件并入CAP。
A. OCCUR
B. FOUND
C. ARISE
A. 能防止自由运动的活塞在套筒中有划痕。
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。
