A、 In order to locate lower margins of safety components and areas, current records were reviewed.
B、 To find components and areas where have showed lower margins of safety, existing results were examined.
C、 Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.
答案：C
A、 In order to locate lower margins of safety components and areas, current records were reviewed.
B、 To find components and areas where have showed lower margins of safety, existing results were examined.
C、 Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.
答案：C
A. 可选择CAP以外的另外一种方式进行缩写。
B. 缩写CAP是同意使用的一种方式。
C. 做为另外一种选择，可以使用缩写CAP。
A. The localizer beam is aligned with the centerline of the runway.
B. The localizer way is misaligned with the centerline of the runway.
C. The localizer course is aligned with the centerline of the runway.
A. A hard landing may be the result of shock loading of the engine.
B. Shock loading of an engine may result in a heavy landing.
C. A heavy landing can cause shock loading of the engine.
A. The positive pressure relief valves are fail safe devices. If the aft outflow valve cann’t be closed, these positive pressure relief valves bleed fuselage pressure overboard.
B. The positive pressure relief valves are fail safe devices. If the positive pressure relief valves fails closed, these aft outflow valve bleed fuselage pressure overboard.
C. The positive pressure relief valves are fail safe devices. If the aft outflow valve fails closed, these positive pressure relief valves bleed fuselage pressure overboard.
A. Write the temperature on the engine record card.
B. Record the temperature of the engine until writing it on the card.
C. Recording the temperature of the engine is done by writing it on the card.
A. 1944年，随着空中航行法令和规章的各种要求得以实现，英国民用适航机构形成了适航标准的法典。
B. 1944年，英国制定了民用适航要求来形成空中航行指令和规则守则。
C. 1944年，随着英国民用适航要求的制定，形成了适航标准的法典，通过该法典，空中航行法令和规章的各种要求得以实现。
A. If the unit is not modified, its service life will be possibly shorter.
B. Without the modification of the unit, its service life is likely shorter than present.
C. Without the modification, it is possible that the service life of this unit will be shorter than usual.
A. Vigorously scrub the surface with a rough, dry cloth.
B. Polish the surface with a soft, damp cloth.
C. Rub the surface quickly with a soft, dry cloth.
A. The following components are recommended for alteration. The swap of other components can be made on condition.
B. The following parts are recommended to be refurbished. Other parts can be plated according to on wing status.
C. The following parts are recommended for modification. Utilization of other parts can be by in-service experience.
A. 应提供重量平衡装载表，同时提供相关计算程序的解释说明
B. 应提供重量和平衡载荷表以及说明计算程序。
C. 应提供重量和平衡载荷表以及计算步骤说明。
