A、 This commonality requires greaterlearning and understanding for pilots,aircraft maintenance technicians and engineers alike.
B、 This commonality makes it easier for pilots,aircraft maintenance technicians and engineers alike to learn and understand.
C、 This commonality brings about better learning and understanding of the pilots,aircraftmaintenance technicians and engineers alike.
D、 C.This commonality brings about better learning and understanding of the pilots,aircraftmaintenance technicians and engineers alike.
答案：B
A、 This commonality requires greaterlearning and understanding for pilots,aircraft maintenance technicians and engineers alike.
B、 This commonality makes it easier for pilots,aircraft maintenance technicians and engineers alike to learn and understand.
C、 This commonality brings about better learning and understanding of the pilots,aircraftmaintenance technicians and engineers alike.
D、 C.This commonality brings about better learning and understanding of the pilots,aircraftmaintenance technicians and engineers alike.
答案：B
A. Some aircraft parts are combined materials.
B. Some airplane structures are composite materials.
C. Some aircraft structures are compound materials.
A. 描述飞机螺旋桨时,可包括可变桨距螺旋桨的剖面图。
B. 描述飞机螺旋桨时,可包括变桨距螺旋桨的水平图。
C. 描述飞机螺旋桨时,可包括固定桨距螺旋桨的剖面图。
A. 组装这个组件。
B. 分解这个单元。
C. 更换这个元件。
A. One of the safety precautions is to keep the combustible material from the work area at distance of 50ft at least.
B. One of the safety precautions is to keep the flammable material from the work area at distance of 50ft at least.
C. One of the safety precautions is to keep the combustible material from the work area at a minimum distance of 50ft.
A. Refer to FIG.401 for the distance between rivets.
B. If you want to know the distance between bolts,refer to FIG.401.
C. Look at FIG.401 for the dimension between bolts.
F. IG.401.C.Look at
G. 401 for the dimension between bolts.
I. G.401 for the dimension between bolts.
A. 没有人允许接近飞机做功能测试。
B. 不允许任何人进入飞机做功能测试。
C. 在做功能测试期间,任何人不得接近飞机。
A. 步骤 2 仅适用于天气潮湿的情况。
B. 步骤 2 仅出现在于天气潮湿的情况。
C. 工卡 2 仅适用于天气潮湿的情况。
A. Clean the surface to make sure that the sealing is satisfactory.
B. Clean surfaces to ensurethe bonding as required.
C. Clean the surface to make sure that the bond is satisfactory.
A. 确保层压板表面的温度保持恒定。
B. 保持温度恒定通过层板横截面。
C. 保证层板间的温度保持稳定。
A. Turn the cap counterclockwise.
B. Turn the cap clockwise.
C. Rotate the cap clockwise.
