A、 The slats shall be retracted to ensure that the aileron trim handwheel is in the initial position.
B、 Be sure to retract the flaps and keep the rudder trim handwheel in the original position.
C、 Make sure that the flaps are retracted and the aileron trim handwheel is in the zero position.
答案：C
A、 The slats shall be retracted to ensure that the aileron trim handwheel is in the initial position.
B、 Be sure to retract the flaps and keep the rudder trim handwheel in the original position.
C、 Make sure that the flaps are retracted and the aileron trim handwheel is in the zero position.
答案：C
A. Utilize the dimmer switch and ensure that the light＇s luminosity varies vigorously.
B. Manipulate the dimmer switch to confirm the alteration of the light＇s intensity.
C. Activate the dimmer switch and ascertain that the light＇s intensity undergoes little changes.
A. 分配子系统是用于将高于大气压的空气分配到使用系统的那部分部件。
B. 分配子系统能够将低于大气压的空气分配到用户系统。
C. 分配子系统是用于将燃油和电力分配到各使用系统的那部分部件。
A. 在每个章节的开始都是系统及其操作的描述，以“描述及操作”为标题贴上标签。如果与其它系统有交联，应该则另外进行解释。
B. 每个章节都要以一个概要介绍本系统做为开始，并且其操作和将要对操作进行的描述要进行标注。如果其中有关联，要增加解释。
C. 每一章或节都以系统及其操作的一般概述开始，并以“概述和操作”为标题。如果与其他系统之间存在相互关系，则应加以解释。
A. 配电系统包括通风沟、阀门、滑轨、热交换器、操纵装置等项目。不包括使用系统的供应阀。
B. 分配系统包括管道、阀门、作动筒、热交换器、控制器等。不包括输往用户系统的供应阀。
C. 分布系统包括排风管道、阀门、制动弹簧、热交换器、控制器等项目。不包括使用系统的供应阀。
A. Documents must be temporarily edible.
B. Documents must be readily revisable.
C. Documents must be permanently durable.
A. If none of the components are damaged, continue the procedure.
B. If none of the brackets are damaged, continue the procedure.
C. If none of the brackets are damaged, continue the task.
A. Inspect the fairing completely.
B. Do a detailed visual inspection of the fairing.
C. Inspect the whole fairing.
A. The lower seal appears as the lower bearing is pulled down.
B. You can see the lower seal before pulling the lower bearing down.
C. Only after you pull the lower seal down can you see the lower bearing.
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. When fuel comes out, you should perpare for fire eliminating.
B. It is necessary to exterminate fire properly when fuel starts to leak.
C. Use a fire extinguisher immediately if there is fuel leakage.
