有关电路跳开关位置的数据，请参考导线清单。

A. 防止部件移动以便能修理装置。

B. 当你修理附件时要避免部件运动。

C. 当你修理组件时应防止部件移动。

A. Before you use dangerous materials, obey these precautions:

B. Before you use dangerous materials, omit these precautions:

C. Before you use dangerous materials, disobey these precautions:

A. Make sure that the position of the clamp agrees with the position that you recorded during the removal procedure.

B. Confirm that the recorded condition during the removal procedure agrees with the condition of the clamp.

C. Ensure that the clamp is correctly oriented based on the suggested position documented during the removal procedure.

A. Print all pages besides wiring diagrams and foldouts on both sides.

B. Print all pages other than wiring diagrams and foldouts on both sides.

C. Print all pages no more than wiring diagrams and foldouts on both sides.

A. 进气道指空气进入压气机前所经过的部分，包括导向叶片、罩环和机匣。

B. 空气进入压缩机部分的进气口部分包括导向叶片、护罩和箱子等项目。

C. 空气进入压缩机部分的进气口部分包括导向叶片、横桅索和箱子等项目。

A. In an emergency, the one-shot battery supplies DC power.

B. The one-act battery supplies AC power during emergencies.

C. The one-side battery provides DC power during emergency situations.

A. 对于标准和选装的发动机和螺旋桨装置以及燃油和滑油系统，应提供描述性数据。

B. 参考数据应包括标准和可用发动机和螺旋桨设备以及燃油和滑油系统。

C. 系统数据必须涵盖常规和可用发动机和螺旋桨装置以及燃油和润滑油系统。

A. The unit of all range distances shall be nautical mile.

B. We measure all range distances in accurate miles.

C. The range of distances shall be calculated in knots.

A. A mixture of fuel and oxygen can cause an explosion.

B. A mixture of fuel and nitrogen can cause an burn.

C. A mixture of gas and oxygen should cause an explosion.

A. The generators supply a three-phase voltage. The frequency of this voltage increases when the generator rotor speed increases.

B. The rate of the three-phase voltage generated by the generator is proportional to the rotational speed of the generator rotor.

C. The frequency of the three-dimensional voltage produced by the generator is changed with the rotational speed of the generator rotor.