2066.Turn the potentiometer until the light is dim.

A. The Boeing 747 symbolizes the beginning of a new ear in air transport.

B. The Boeing 747 is the first type of airplane in air transport.

C. Modern air transport started from the Boeing 747.

A. Visual difference is acceptable between the previous surface and the new surface.

B. There should be no visual difference between the initial surface finish and the new surface finish.

C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.

A. 标准化将通过对根据本规范制定的持续适航程序中所包含的检查要求的统一解释来提高安全性。

B. 标准化通过统一检查包含在持续适航程序中准备的相应规范来增强安全性。

C. 通过对符合本规范的持续适航程序中的检查要求进行一致性验证,标准化将提高安全性。

D. C.通过对符合本规范的持续适航程序中的检查要求进行一致性验证,标准化将提高安全性。

A. This method is used widely in plotting vectors for navigation problems on a chart.

B. Plotting factors for navigation problems on a chart is a widely used method.

C. Drawing factors for navigation problems on a chart is a widely used method.

A. The power is transmitted from the propeller to the engine.

B. The engine is used to transmit power to the propeller shaft.

C. The power is transmitted to the shaft by the engine cable.

A. 竖版页面比横版页面更适合所有类型的出版物。

B. 水平页面比垂直页面更适合所有类型的出版物。

C. 垂直页面比水平页面更适合所有类型的材料。

A. 对备用排气风扇插钉进行完整性检查。

B. 对备用进气风扇插头进行连续性检查。

C. 对备用排气风扇插座进行连续性检查。

A. 区分电路的相关部分。

B. 隔离电路的故障部分。

C. 断开电路的失效成分。

A. The operation of new generation aircraft has adopted the operation method of damage tolerance.

B. The damage tolerance design method is applicable to the new type aircraft.

C. The design concept of damage tolerance was successfully applied to the design of new generation aircraft.

A. 雷达天线的状况对其性能有重要影响。

B. 雷达罩的状况对其性能有重要影响。

C. 雷达的性能受到其状态的重要影响。