1489. Initial stall tests and other dynamic maneuvers have been run, as well as an extensive check-out of the airplanes systems

A. 抛光表面,直到它非常有光泽。

B. 打磨表面,直到它非常薄。

C. 在表面非常薄之前润色它。

A. Provide the pneumatic power for the system.

B. Supply the electrical power for the system.

C. Remove the electrical power for the system.

A. This requires breaking down the work into logical steps or operations.

B. This requires a breakdown of the job into logical steps or operations.

C. This required breaking down of the job into logical steps or operations.

A. 让漆在室温和相对湿度适宜的环境下干燥。

B. 让漆在高温和相对湿度适宜的环境下干燥。

C. 在高温和绝对湿度适宜的环境下喷涂油漆。

A. These two sentences give the same instruction and each correctly obeys the rules of STE.

B. Both sentences give the same instructions, and correctly followed the rules of STE.

C. The two sentences give out the same order, also correctly follows the STE rule.

A. The section of the engine which by-passes a portion of the normal engine airflow for the prime purpose of adding to engine thrust or reducing specific fuel consumption.

B. The section of the engine which by-passes a portion of the normal engine airflow for the prime purpose of reducing to engine thrust or adding specific fuel consumption.

C. The section of the engine by-passes a portion of the normal engine airflow to add to engine thrust or reduce specific fuel consumption.

A. Rapid operation of the accelerometer can cause unexpected movement of the vertical stabilizer.

B. Accidental movement of the compass can cause unwanted operation of the oriental stabilizer.

C. Sudden operation of the gyro can cause unwanted movement of the horizontal stabilizer.

A. 工作在这个区域需使用护目镜

B. 工作在这个区域需使用防护服

C. 工作在这个区域需使用呼吸设备

A. 如果油箱中不是所需的油液,可能会使泵损坏。

B. 如果油箱中的油量过多,可能会使泵损坏。

C. 如果油箱中的油量不足,可能会使泵损坏。

A. Compare the width on the flange between points A and B.

B. Measure the distance on the flange at points A and B.

C. Test the length of points A and B on the flange.