A、 Many readers have little knowledge of English. Complex sentence structure and the large number of meanings and antonyms that many English words have can cause misconception.
B、 Many readers have a limited knowledge of English. Complex sentence structure and the large number of meanings and synonyms that many English words have can cause confusion.
C、 Many readers have a little knowledge of English. Complex sentence structure and the large number of meanings and homonyms that many English words have can cause frustration.
答案：B
A、 Many readers have little knowledge of English. Complex sentence structure and the large number of meanings and antonyms that many English words have can cause misconception.
B、 Many readers have a limited knowledge of English. Complex sentence structure and the large number of meanings and synonyms that many English words have can cause confusion.
C、 Many readers have a little knowledge of English. Complex sentence structure and the large number of meanings and homonyms that many English words have can cause frustration.
答案：B
A. As the depressurization of the alternate system, the hydraulic system A must be released to open the rudder hydraulic system selector valve and permit hydraulic fluid to flow to the rudder actuator below.
B. In order to depressurize standby system, the hydraulic system A must be depressurized to open the rudder hydraulic system selector valve and let hydraulic fluid flow to the lower rudder actuator.
C. Due to the depressurization of the alternate system, the hydraulic system A must be released to open the rudder hydraulic system selector valve and permit hydraulic fluid to flow to the bottom rudder actuator.
A. In an emergency, the one-shot battery supplies DC power.
B. The one-act battery supplies AC power during emergencies.
C. The one-side battery provides DC power during emergency situations.
A. Procedures contain tasks that give instructions on how to perform them.
B. Procedures contain general instructions that show you how to do tasks.
C. Procedures contain instructions that tell you how to do a task.
A. 接近和位置的说明会在这里给出不少信息。
B. 除非很困难，否则接近和位置的说明会在此给出。
C. 除非很明显，否则接近和位置的说明会在此给出。
A. 试验结果表明，需要实施故障识别程序。
B. 如果测试没有给出满意的结果，执行故障隔离程序。
C. 如果测试结果不满足，启动故障探测程序。
A. Make an estimate of the necessary quantity.
B. Evaluate on the quantity available.
C. Approximate the scale of the quality.
A. 描述飞机飞行控制系统时，如果操作增强，说明系统。
B. 描述飞机飞行控制系统时，用系统说明操纵增强。
C. 描述飞机飞行控制系统时，如果安装了控制增强系统，应对相应的系统进行描述。
A. Each manufacturer is expected to abide by the Specification content and arrangement without any deviation in order to reasonably achieve the objectives of this Specification (enhance safety, reduce efforts, minimize costs).
B. It is mandatory that each manufacturer adhere to the Specification content and arrangement to achieve the objectives of this Specification (enhance safety, reduce efforts, minimize costs).
C. Each manufacturer is expected to adhere to the Specification content and arrangement reasonably so as to enhance safety, reduce efforts, and minimize costs which are the objectives of this Specification.
A. 保证所有的使用途径都满足适航要求。
B. 阐明我们所使用的所有方法都满足适航要求。
C. 确保我们所使用的所有方法都满足适航要求。
A. Clear the pipes in order to remove corrosion.
B. Wash the pipes so as to remove dust.
C. Flush the pipes to remove contamination.
