A、 The introduction should be included in an alphabetical index by subject.
B、 An alphabetical index by subject is to be included in the introduction.
C、 The introduction includes an alphabetical index subject.
答案：B
A、 The introduction should be included in an alphabetical index by subject.
B、 An alphabetical index by subject is to be included in the introduction.
C、 The introduction includes an alphabetical index subject.
答案：B
A. You had better not to weld engine components when the engine is installed on the airframe.
B. You're not allowed to operate engine components when (the engine is installed on the airframe.
C. You had-better not to weld engine components when the engine is running.
A. Obey the safety precautions when you do work with high voltages.
B. When working with high resistances, you should follow the safety precautions.
C. The safety precautions are optional in an environment with high voltages.
A. lf you use solvent in a closed space, make sure that there is good airflow in the work area.
B. When using composite in confined space, make sure it has good ventilation.
C. You can not use sealant in enclosed space on condition that there is no good ventilation.
A. 如果跳开关拔出,则断开电路
B. 如果跳开关闭合,则断开电路
C. 如果跳开关拔出,测接通电路
A. 本手册提供了基本的控制和操作信息,这些信息描述飞机部件如何被控制,如何操作这些部件,以及所有
特殊操作程序和操作限制。
B. 该手册提供基本控制和操作信息,描述飞机部件的生产控制工艺,包括适用的特殊生产步骤和公差值。
C. 本手册提供了基本的控制和操作信息,描述飞机部件的控制方式和工作方式,且包括所有适用的特殊程序
和限制条件
A. Utilize an oil-free solution.
B. Use a solution with oil.
C. The oil is not used that contains a solution.
A. 机组能用飞行指令需求来控制飞机的姿态。
B. 机组能用飞行指引指令来控制飞机的高度。
C. 机组能用飞行指引指令来控制飞机的姿态。
A. Operate the dimmer switch and make sure that the intensity of the light changes.
B. Control the light knob to ensure that the light strength changes.
C. Turn the light regulator on to adjust the luminous intensity.
A. A certificated pilot who owns or operates an airplane not used as an air carrier is authorized by FAR Part
A. 通过活门的流体必须是可见的
B. 通过活门的油液必须是透明的
C. 通过活门的流体必须是连续的
