418. When the engine RPM decreases to 500, stop the engine

A. 所有官方技术名称都由三个以上名词组成, 在第一次出现时都是完整的然后,在正文的其余部分,使用相关的批准缩写

B. 所有由三个以上名词组成的官方技术名称都要写全第一个词然后,在正文的其余部分,使用相关的正规缩写

C. 所有由三个以上名词组成的官方技术名称在文中第一次出现时都是使用全称之后在文章的其余部分使用相应的批准缩写

A. get

B. achieve

C. perform

A. Paint in sealing compound twice the surfaces that have no cover;

B. Apply two layers of sealing compound on the surfaces that have no protection;

C. Brush the surfaces twice with sealant to protect them from damage;

A. Another important function of lubricating oil is to protect the corroded metal surfaces.

B. Another important task of the oil is to protect the metal surfaces from corrosion.

C. Preventing the metal surface from further corrosion is the other essential function of the lube.

A. The turbines of the engine includes turbine nozzles, turbine rotors, cases, etc.

B. The section of the engine containing the turbines. Includes items such as turbine nozzles, turbine rotors, cases, etc.

C. The section of the engine containing the turbines. Includes items such as nozzles, turbine rotors, cases, etc.

A. Continuing Airworthiness Program Inspection Number; Airplane Model and Serial Number; Airplane Hours; Title of Continuing Airworthiness Program Inspection; Location and Description of the Damage and How Detected should be included in the CAP report;

B. The report of discrepancy should contain the following: Continuing Airworthiness Program Inspection Number; Airplane Model and Serial Number; Airplane Hours; Heading of Continuing Airworthiness Program Inspection; Location and Description of the Damage; Detecting ways;

C. The discrepancy report should cover the information other than the following: Continuing Airworthiness Program Inspection Number; Airplane Model and Serial Number; Airplane Hours; Title of Continuing Airworthiness Program Inspection; Location and Description of the Damage; How Detected;

A. You must give the obvious signal in a certain way in order to be seen by the pilot.

B. You must stand on a specific road, that is a clear signal for the pilot.

C. You must give the pilot the clear sign al that is not misunderstood by the pilot.

A. 飞机维修手册(或持续适航指令)是包含飞机持续适航方案的主要文件,CAP对其进行补充。

B. 飞机维修手册(或持续适航指令)是包含飞机持续适航方案的补充文件,CAP是主要文件。

C. 飞机维修手册(或持续适航指令)是包含飞机持续适航方案的唯一文件,CAP对其进行扩展。

A. 如果一个代词能参考文本中的一个或多个名词,它会使句子产生异义。如果一个句子产生异义,参考原词更换代词。这将使读者更清楚易读。

B. 如果一个代词能指代文本中的一个或多个名词,它会使句子模棱两可。如果一个句子模棱两可,用它所指的词代替代词。这将使句子更清楚易读。

C. 如果一个代词能引申文本中的一个或多个名词,它会使句子晦涩难懂。如果遇到这样的情况,更换所引申的代词。这将使句子更清楚易读。

A. 武装位置是开关的通常位置。

B. 手臂对着的位置是开关的通常位置。

C. 该电门通常放置在预位位置。