748.When the wind speed decreases to less than 30 knots, you can open
the cargo door.

A. 　GET

B. 　BECOME

C. 　GROW

A. 　Set the switch to on.

B. 　Move the switch to on.

C. 　Put the switch to on.

A. 　控制单元安装在驾驶室后部。

B. 　控制组件安装在驾驶舱的后部。

C. 　控制组件安装在飞行舱之后。

A. 　能防止自由运动的活塞在套筒中有划痕。

B. 　刻痕能阻止活塞在套筒中的自由运动。

C. 　刻痕能防止自由运动的活塞在套筒中。

A. 　用直尺和游标卡尺测量凹痕深度。

B. 　用直尺和塞尺测量凹痕深度。

C. 　游标卡尺和塞尺测量凹痕深度。

A. 　This material releases dangerous fumes when it touches hot surfaces.

B. 　On contact with hot surfaces, this material produces dangerous fumes.

C. 　This material happens dangerous gases when it comes into contact with
hot surfaces.

A. 　如果不同时这样做,则会卡住定位销。

B. 　如果不同时这样做,则会导致定位销磨损。

C. 　如果不同时这样做,则会导致定位销脱落。

A. 　Plus,items not previously considered for inclusion in the CAP may be
disclosed though operator inspections.

B. 　Also,items without being previously considered for inclusion in the

C. 　However,those items not previously covered in the CAP may be found
through operator inspections.

A. 　Where schematic diagrams are complex by virtue of automatic features
or articulated controls in the subject system, these characteristics
should be pointed by means of explanatory text in the diagram, or in the
accompanying text,or both.

B. 　Where schematic diagrams are complex by venture of automatic characters
or articulated controls in the subject system, these characteristics
should be pointed at by means of apparent text in the diagram, or in the
accompanying text,or both.

C. 　Where schematic diagrams are complex by virtue of automatic features
or interrelated controls in the subject system, these characteristics
should be pointed out by means of explanatory text in the diagram, or in
the accompanying text,or both.

A. 　Tell all personnel to go away from the area.

B. 　Alert personnel to leave area.

C. 　Tell all person to leave the area.