19.确保孔的直径小于规定值。

A. 　PRODUCE

B. 　GENERATE

C. 　SUPPLY

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. 　This procedure is only applicable to type A parts

B. 　This task in only used for type A parts

C. 　This procedure is applicable to all type parts

A. 　目录页必须注明日期,但无需编号。

B. 　目录页需要注明日期,但不用编号。

C. 　目录页应该注明日期,但不用编号。

A. 　垂直列表使复杂的长句子更容易阅读和理解。

B. 　垂直方向上的清单使复杂的长句子更容易读取和理解。

C. 　长的复合句可以通过垂直列表简化以进行阅读和理解。

A. 　If the sleeve is incorrectly attached, adjust it.

B. 　If the sleeve is badly attached, adjust it.

C. 　If the sleeve is wrong attached,adjust it.

A. 　如果温度值超过允许的限制,就增加功率。

B. 　如果限制值超过允许的限制,就降低功率。

C. 　如果温度值超过允许的限制,就降低功率。

A. 　This document provides optional information to the befitting airplane
maintenance manual(s)

B. 　This document provides supplemental information to the applicable
airplane maintenance manual(s)

C. 　This document provides extra information to the accessible airplane
maintenance manual(s)

A. 　 只有经过授权的人员方可以留在该区域。

B. 　 只有经过改装的人员方可以留在该区域。

C. 　 只有经过检验的人员方可以留在该区域。

A. 　Each Chapter or Section is begin with either a general description of
the system or its operation and Description and Operation should be
labeled.

B. 　Each Chapter or Section is begin with neither a general description
of the system nor its operation and Description and Operation should be
labeled.

C. 　Description and Operation should be labeled in each Chapter or Section
which is open with both a general description of the system and its
operation.