A、 The correction installation of the upper drag strut can prevent the retraction of the lower drag strut.
B、 If the upper drag strut is installed improperly, the lower one will be hit during retraction.
C、 The removal of the upper drag strut has to be done properly so that the lower one can fully extend.
答案：B
A、 The correction installation of the upper drag strut can prevent the retraction of the lower drag strut.
B、 If the upper drag strut is installed improperly, the lower one will be hit during retraction.
C、 The removal of the upper drag strut has to be done properly so that the lower one can fully extend.
答案：B
A. The Check List may also include additional information relevant to the operation of the airplane, such as performance details, alternate equipment operation, etc., which the pilot might rarely use.
B. The Check List may also contain supplemental information pertinent to the operation of the airplane, such as performance data, optional equipment operation, etc., that the pilot might routinely use.
C. The Check List may also cover extra information that the pilot might daily use and is decisive to the control of the airplane, such as performance data, alternate equipment operation, etc.
A. 对于非FAA批准的飞机，其声明要写在飞行手册中。
B. 对非FAA批准的飞机飞行手册，做如下声明。
C. 在非FAA批准的飞行手册中要包括以下声明。
A. 计算器，在计算机中，是一种与算术逻辑单元有关系的特别存储注册设备，用来保持计算结果或数据传输。
B. 蓄压器，在计算系统中，是一种与算术逻辑组件相连接的特别存储寄存器，用来控制统计结果或数据传输。
C. 在计算机中，存储器是一种与算术逻辑组件有关系的特别存储寄存器，用来存放运算结果或数据传输。
A. 给装有泵的系统B提供液压。
B. 给系统B和泵提供液压。
C. 用泵给系统B提供液压。
A. 张力是正确的。
B. 校正张力。
C. 正确的拉力。
A. 在此过程中，使用12英寸螺刀手柄。
B. 在此过程中，使用12英尺扳手手柄。
C. 在此过程中，使用12英寸扳手手柄。
A. 如有必要进一步减小钢索张力，可使用松紧螺套。
B. 如有必要进一步降低钢索张力，可使用张力计。
C. 如有必要进一步调节钢索长度，可使用旋转带子。
A. The dictionary does not include verbs sorted by trades because there are too many.
B. The dictionary excludes majors because there are too many verbs.
C. The dictionary does not include technical verbs because there are too many.
A. 逆时针转动调整器5圈。
B. 依次转动调节器的5个旋钮。
C. 逆时针转动调节器5个单位。
A. 保持安静以避免错过信号的声音。
B. 保持安静以避免混淆声音的信号。
C. 保持安静以避免丢失声音信号。
