745.Put on goggles when you use electrical equipment which makes sparks.

A. 　发动机的驱动马达没有点火。

B. 　启动发动机但不点火。

C. 　带转发动机但不点火。

A. 　CONTAINS

B. 　COVERS

C. 　COMPRISES

A. 　第一个步骤有时是工作准备,收尾或收工是接下来的步骤

B. 　工作准备总是第一个步骤,收尾或收工总是接下来的步骤。

C. 　工作准备总是第一个步骤,收尾或收工总是最后一个步骤。

A. 　does not permitted to

B. 　not permitted to do

C. 　permit to do

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. 　The wind speeds recorded as alterables on the diagrams of this Handbook
shall be understood as the headwind or tailwind components of the reported
wind .

B. 　The wind velocities recorded as variables on the charts of this Handbook
are goning to be understood as the headwind or tailwind constituents of
the reported wind .

C. 　The wind velocities recorded as immutables on the charts of this

A. 　LOCK

B. 　JOINT

C. 　LINK

A. 　Calibrate the hygrometer to the celsius scale.

B. 　Calibrate the thermometer to the celsius scale.

C. 　Calibrate the clinometer to the celsius scale.

A. 　虽然建议使用诸如阴暗面、交叉区域、分隔符或类似的方法,但颜色的使用
是符合规定的。

B. 　虽然建议使用诸如斜线、交叉线、分栏符或类似的方法,但颜色的使用是允
许的。

C. 　虽然建议使用诸如阴影、交叉阴影、隔挡或类似的方法,但颜色的使用是允
许的。

A. 　修理这个组件之前要得到制造商的许可。

B. 　修理这个组件之前要得到航空公司的许可。

C. 　修理这个组件之前要得到局方的许可。