743、The minimum time between checks is two minutes.

A. 　制定本规范的目的是为了降低成本

B. 　本规范是为了减少失误而制定的

C. 　规范的制定是为了发展航空安全

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.

A. 　 Many electrical power components are in the EE compartment.

B. 　 Many electrical power components are in the cargo compartment.

A. 　为了获得正确的间隙,需要增加特殊的垫片。

B. 　为了获得正确的间隙,按需增加特殊的垫片。

C. 　要获得正确的间隙,需要增加特定的垫片。

A. 　操作调光开关,确保光线的强度发生变化。

B. 　操作旋转式开关,确保灯光发生变化。

C. 　已调节明暗开关,灯光的亮度发生了变化。

A. 　变更一些词性的缩写,使其与标准缩写一致。

B. 　一些词性缩写的变化与标准缩写一致。

C. 　更新标准缩写使其满足一些词性缩写变更的要求。

A. 　 The intention of such terms is to provide definitions which have practical value for
communication.

B. 　 The propose of such terms is to provide definitions with practical value for technical communication.

C. 　 The aim of such terms is to provide definitions for practicing Valuable technical communication

A. 　每一页都必须载明原始事件日期,直到修订,修订时,也必须载明最新修订的事件期。

B. 　每一页都必须标明原始版本的出版日期,直到修订为止。当有修订时,也必须标明最新修订版的出版日期。

C. 　每一页都必须标明原刊出版到修订的日期,修订时,也必须标明最新修订版的出版日期。

A. 　 The operator's maintenance0Eorganization' must make sure that each aircraft has all inspection records.

B. 　 Make sure that the required repair /alteration/inspection documents of each aircraft must be kept by
maintenance organization of the operator.

C. 　Ensure that the operator's maintenance organization has retained the required maintenance/alteration/inspection records for each aircraft.

A. 　确保行李箱以空

B. 　确保厨房柜以空

C. 　确保卫生间以空