Adjust the gyro accurately.

A. This procedure is only for repairs that include a very small number of screws.

B. This procedure is only for repairs that include a very small number of nuts.

C. This procedure is only for repairs that include a very small number of rivets.

A. 如果活门过早开启，停止测试。

B. 如果活门已经开启，停止测试。

C. 如果活门的开启时机未到，停止测试。

A. 螺旋桨恒速机构故障。

B. 螺旋桨恒速机构被挡住了。

C. 螺旋桨恒速传动机构不在这个位置。

A. 描述飞机螺旋桨时，如果桨距可变，应描述螺旋桨及调距操作。

B. 描述飞机螺旋桨时，如果桨叶间隔可变，应描述螺旋桨及其操作。

C. 描述飞机螺旋桨时，如果桨叶迎角可变，应描述螺旋桨及其操作。

A. All of the top vertical mounting struts are adjustable except the primary mount struts unless they are repaired or replaced. The spare vertical strut (left forward ) and the side strut (right forward) may require adjustment during APU replacement.

B. All of the vertical primary mount struts at the top are adjustable. However, adjustments to the primary mount struts are not required unless a strut is repaired or replaced. The redundant vertical strut (forward left) and the redundant side strut (forward

C. The top of every vertical main retaining struts is adjustable. However, adjusting the main mount strut is not allowed if the strut is not repaired or replaced. During APU replacement, it may be necessary to adjust remained vertical strut (left anterior) a

A. Cut and discard the lockwire.

B. Snip and remove the lockwire.

C. Snip and discard the cable.

A. 在接近跑道的过程中，航向指示器中的偏离指示器指示飞行员飞机必须飞行的方向。

B. 在接近跑道的过程中，航向指示器中的方向指示器指示飞行员飞机必须飞行的方向。

C. 在进近着落的过程中，航向指示器中的方向指示器指示飞行员飞机必须飞行的方向。

A. Before install the software, the plane has to be on the ground and the engines shut down.

B. The airplane must be on the ground with the engines off before you can install software.

C. The aircraft should be on the ground and engines power off before you upload the software.

A. Rivets can be used to separate the two stringers.

B. You can use two rivets to attach the stringers together.

C. Use rivets to connect the two stringers together.

A. 这会导致组件的机械性能的恶化。

B. 这会导致组件的机械部件的变形。

C. 这会导致组件的机械装置碰撞。