A、 One or more separate documents for some types of equipment such as avionics and instrumentation may be required because they change frequently, or they have various combinations.
B、 Some types of equipment such as avionics and instrumentation are changed regularly or combined in different forms requiring to have one or more separate documents.
C、 Some types of equipment such as avionics and instrumentation are often revised or combined differently to require one or more separate documents.
答案：A
A、 One or more separate documents for some types of equipment such as avionics and instrumentation may be required because they change frequently, or they have various combinations.
B、 Some types of equipment such as avionics and instrumentation are changed regularly or combined in different forms requiring to have one or more separate documents.
C、 Some types of equipment such as avionics and instrumentation are often revised or combined differently to require one or more separate documents.
答案：A
A. 还包括发动机整流罩的组成部分或安装在整流罩上的部件。
B. 还包括发动机整流罩及安装在整流罩上的部件。
C. 还包括发动机整流罩的组成部分及安装在整流罩上的部件。
A. Do not taxi where there is dirt.
B. Do not tow in areas where there is slush.
C. Do not land in locations where there is slush
A. 定位器与跑道中心线对齐,下滑道与跑到出口成一定角度。
B. 航道与跑道中心线对齐,下滑道与跑到入口成恒定角度。
C. 航道与跑道中心线对齐,下滑道与跑到出口成恒定角度。
A. The crankshaft in an aircraft engine also absorbs power from all cylinders or is used to transfer power from cylinders to propellers.
B. The crankshaft in an aircraft engine also absorbs power or transfers work from the cylinders to the propeller.
C. The crankshaft in an aircraft engine also absorbs the power or work from all the cylinders and transfers it to the propeller.
A. Attitude indicator indicates attitude
B. Altitude indicator indicates attitude
C. Attitude indicator indicates altitude
A. complex sentence structure and the large number of meanings and antonym that many English words have can cause confusion
B. complex sentence structure and the large number of meanings and synonyms that many English words have can cause confusion
C. complex sentence structure and the large number of meanings and diverse that many English words have can cause confusion
A. Do not stretch the seal when installing it.
B. Do not over-extend the seal when installing it.
C. Do not bend the seal when installing it.
A. Copy that,the plane press
B. Roger that,the plane dispatch
C. Roger that,the plane leave
A. 一台发动机能够给所有系统提供动力
B. 一台发电机能够给所有系统供电
C. 一台动力装置能给所有系统提供动力
A. 检査所有密封胶围绕着孔
B. 移动所有孔周围的密封胶
C. 清除所有孔周围的密封胶
