When you install the antenna, the alignment arrow must point forward.

A. Magnetic tools have an unwanted effect on the compass system.

B. Metallic tools are of positive effect on the compass system.

C. Magnets can affect the compass system adversely.

A. 本部分用于相同的安排方法和识别特定主题材料。

B. 本部分规定了安排和识别某些主题材料的同类方法。

C. 本部分提供了安排和识别特定主题素材的统一方法。

A. In STE, a unit started with "topic sentence" is to instruct the main topic.

B. The "topic sentence" starts to tell the readers the topic of the paragraph in STE.

C. In STE, a paragraph starts with a “topic sentence” which tells the reader what the topic of that paragraph is.

A. Copies of the appropriate forms and a description of the entries to be completed are available to you from an ABC dealer or Factory Customer Service Representative.

B. Copies of the proper forms and a description of the items to be completed are available to you from an ABC trader or Production Customer Service Representative.

C. The ABC trader or Production Customer Service Representative could provide the proper form copies and the description of the items to be accomplished available.

A. At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.

B. Water displaying corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.

C. Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.

A. 长期的配平是通过垂直安定面运动实现的。

B. 水平安定面的运动是通过径向配平实现的。

C. 水平安定面的运动可以实现径向配平。

A. Define symbols, abbreviations and terminology necessary for the clear understanding and precise use of the information presented in various sections of the Handbook.

B. In order to understand and use the information in the manual clearly, give the definition to the symbols, abbreviations and terms which are necessary.

C. For clear understanding and accurate information about the use of each part of the manual, define the necessary symbols, abbreviations and terms.

A. 使用危险品时穿上防护服。

B. 使用溶剂时穿上防护服。

C. 使用易感染物品时穿上防护服。

A. 燃油泄漏会导致发动机受损。

B. 发动机性能与燃油泄漏无关。

C. 燃油渗漏会降低发动机性能。

A. 数据应能够显示外界空气温度、高度、重量和风与着陆距离的关系。应包括地面滑跑和飞越50英尺障碍物的总距离。应给出为获得总距离所需的50英尺高度点上的速度。

B. 数据应显示为着陆距离与外部气温、高度、重量和风的关系。应包括地面滑跑和飞越50英尺障碍物的总距离。应给出在50英尺高度点达到总距离的速度。

C. 数据应能够显示外界空气温度、高度、重量和风与着陆距离的关系。 应包括着陆滑跑距离和从离地 50 英尺到着陆完全停止所需的总着陆距离。应给出飞机飞抵50 英尺高时的速度。