515、Before you put new oil in the system, it is mandatory to replace the filter.

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. 　 It it very difficult to determine the effects of corrosion but as the reports from the CAP inspections are
received, the inspection times will be adjusted for any severe problems.

B. 　 It is not easy to decide the affection of corrosion,when the reports from the CAP inspections are received,
the inspection duration will be changed for any serious problems.

C. 　It is very hard to make the decision of the corrosion effects but if the reports from the CAP inspections are
obtained the inspection times will be arranged in accordance with the severest problem.

A. 　永久装订的手册页无需注明日期。

B. 　临时装订的手册页无需注明日期。

C. 　临时装订的手册页无需注释。

A. 　 Install two mats, each 3.5 mm thick.

B. 　 Install two spacers, each 3.5 mm thick.

C. 　 Install two rings, each 3.5 mm thick.

A. 　 Procedures for handling malfunctions or other abnormalities that are not emergent, or potentially
emergent may be delayed in this section.

B. 　 This Section may cover procedures for handling malfunctions or other deviations that are not of
emergency nature or involve a potential emergency that may be handled later.

C. 　 This Section may cover procedures for handling malfunctions or other deviations that are not emergent or
involve a potential emergency that may be deterred.

A. 　使用容器混合材料

B. 　使用棍子搅拌材料。

C. 　使用铲子混合材料。

A. 　If the unit is not modified, its service life will be possibly shorter.

A. 　、仔细评估损伤区域

A. 　基本控制和操作信息描述的是飞机部件的控制及工作的方式,包括任何特殊程序和适用的限制

B. 　飞机的基本控制和操作信息是关于飞机、部件是如何操作的,包括所有的特殊程序和使用的限制

C. 　 飞机的操作控制、部件的运行信息以及其特殊程序和极限都在基本控制和操作信息中说明

A. 　 Access doors and panels within the area are recognized by the number of the area and two or three letter
suffix.

B. 　 The area number and a postfix with two or three letters identifies the access doors and panels in an area.

C. 　 The identification of the access panels and doors is accomplished by the zone number suffix.