A、 Put down a face mask and protective clothing.
B、 Put on a face goggle and protective clothing.
C、 Put on a face mask and protective clothing.
答案：C
A、 Put down a face mask and protective clothing.
B、 Put on a face goggle and protective clothing.
C、 Put on a face mask and protective clothing.
答案：C
A. 测量跑道灯连接的电阻。
B. 校准跑道灯连接的电阻。
C. 复核跑道灯连接的电阻。
A. 当有金属碎片时必须检查临近的泵。
B. 当发现金属痕迹时,必须检查所有的泵。
C. 当发现金属碎屑时,必须检查相应的泵。
A. 在接近跑道过程中,偏差指针在航向指示器上显示飞行员正在朝哪个方向飞行。
B. 在接近跑道过程中,飞行员必须朝着航向指示器偏航指针的方向飞行。
C. 在接近跑道过程中,航向指示器的偏差指针向飞行员显示飞机必须向哪个方向飞行。
A. Do not make the pressure became less than (or more than) 20 psi.
B. Do not let the pressure become less than (or more than) 20 psi.
C. Do not let the pressure close less than (or more than) 20 psi.
A. 粘贴安全指示。
B. 遵守安全说明。
C. 违背安全说明。
A. After the system is pressurized,the elevators will drop down no matter where the rigging pin is installed.
B. Without the rigging pin,the elevators will go down when there is no pressure in the system.
C. The rigging pin can prevent the elevators from retracting and expanding when the system is de- energized.
A. 识别出有代码的部件,可以帮助再次正确安装。
B. 用编码标识复合材料,以帮助再次正确安装。
C. 用代码标识部件,以帮助正确地再次安装。
A. Grind the surface with a soft cloth after it becomes light.
B. Rub the surface with a soft cloth when it becomes brightness.
C. Polish the surface with a soft cloth until it becomes shiny.
A. 松开断路测试开关。
B. 复位短路测试开关。
C. 松开短路测试开关。
A. Make sure that the movement limits of the flight control surfaces are free.
B. Make sure that the travel ranges of the flight control surfaces are clear.
C. Make sure that the travel limits of the flight control rudders are clean.
