714、Increase the pressure slowly ( )

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
de-energized.

A. 　 Movement of the center of gravity is not depending on the loads on the wings.

B. 　Movement of the center of gravity is relative with the loads on the wings.

C. 　 Movement of the center of gravity is regardless to the loads on the wings.

A. 　 This program usually includes two pages、 one writing page and one drawing page

B. 　 This program usually contains to pages、 one test page and one image page

A. 　 Ground service bus has no power, but the external power can be supplied.

B. 　 Ground service bus is not energized with external power.

C. 　 Ground service bus is power off when external power is supplied.

A. 　所有在此区域人员必须使用护目镜。

A. 　 During this period, if you use economy power settings, the engine may be damaged

B. 　 The use of economy power settings during this period may be detrimental to the engine life

C. 　 The use of economy power settings during this period may reproduce the engine life

A. 　 Assemble the movable car7beforeayou lift the gearbox.

B. 　 Assemble the movable hoist before you lift the gearbox.

C. 　 Assemble the movable handle -before you lift, the gearbox

A. 　 Separate the first part of the sentence as the subsequent items in the lateral list.

B. 　 Apart the first part of the sentence from the Subsequent items in the horizontal list.

C. 　 Divide the first part of the sentence from the subsequent items in the vertical list.

A. 　获取桶燃油,并做一项含水量测试

B. 　取份燃油样品,并进行一项水污染测试

C. 　获取一份燃油资料,并分析水含量

A. 　 临时地将钢索连接到邻近的结构上

B. 　 临时地将挂钩连接到对应的结构上

C. 　稳定连接钢索到附近的结构上