64. 燃油中含有水分会很危险。

A. Drain the used oil into a container.

B. Pump the used oil into a container.

C. Suck the used oil into a container.

A. The Boeing-777 airplanes are different from the previous Boeing series ones mainly in that they are flown by wires.

B. The difference between the Boeing-777airplanes and the subsequent Boeing series is that they are operated by wires.

C. Fly-by-wire is the main difference between Boeing-777 airplanes and the subsequent Boeing series.

A. 如果危险被含糊描述人员在执行任务时要了解风险,之并更加小心。

B. 危险是否被清楚说明,以致于执行任务的人是否有必要了解风险,并更加小心。

C. 如果清楚说明了危险,执行任务的人就会了解风险且更加小心。

A. 使用听筒侧面的按钮来调节音量。

B. 使用手机旁边的按键来适应体积。

C. 为了加大容量,使用手机侧面的旋钮。

A. 对于仪表近进着陆,下滑道偏离用来建立足够的离地高度。

B. 对于目视近进着陆,下滑道偏离用来建立足够的进近高度。

C. 对于仪表近进着陆,航向道偏离用来建立足够的离地高度。

A. In flight,Flight Idle Power required for the engine to operate at slowly speed is an important condition to ensure good engine operation and airplane handing characteristics.

B. Flight Idle Power is the power required for an engine to operate at a minimum speed during flight to ensure satisfactory engine operation and aircraft handing characteristics.

C. In flight,good engine operation and aircraft handing characteristics are guaranteed to provide the engine with Flight Idle Power needed to operate at the lowest speed.

A. You can get the corrected velocity by dividing the aircraft velocity by the crosswind component

B. Divide the crosswind component by the aircraft speed to get thne correction.

C. Divide the aircraft speed by the crosswind component to get the correction.

A. 转速计

B. 温度计

C. 电位计

A. 在作动控制之前请不要连接锁定机构。

B. 在操作控制杆之前请断开锁销。

C. 在移动控制杆之前请解锁权。

A. Some jobs or processes consist of several basic operations, with a number of minor steps or work items under each.

B. Some basic operations with a few small steps or work items are included in some work or processes.

C. Some jobs or processes constitute a few basic operations, with several minor steps or work items under each.