427.The schematic diagram should tend to deal with an overall system
rather than with subsystems, e.g., the air conditioning system rather
than a compressor or blower within the air conditioning system.

A. 　Apply mass on the surface of the patch to ensure that the parts bond
correctly.

B. 　Bear down on the surface of the patch to make sure that the parts bond
correctly.

C. 　Apply weight on the surface of the patch to make sure that the parts
bond correctly.

A. 　The basis for assuring an airplane remains airworthy and safe to operate
is to combine the manufacturer’s requirements with sound inspection and
maintenance practices.

B. 　To ensure airworthiness and safe operation of an airplane, it is
essential to follow the manufacturer’s instructions in the utilization
of airplane, and perform sound inspection and maintenance as well.

C. 　Airworthiness and safe operation are fundamental to aircraft
utilization as required by the manufacturer, so sound inspection and
maintenance practices are carried out.

A. 　the lower seal comes into view when you pull the lower bearing down.

B. 　The lower seal shows as the lower bearing is pulled down.

C. 　The lower seal appears as the up bearing is pulled down.

A. 　The Handbook producer should average the material within paragraphs in
a way he considers to be most informative to the kind of pilot experienced
to use the Handbook.

B. 　The Handbook manufacturer should arrange the material within paragraphs
in a sense he considers to be most useful to the kind of pilot anticipated
to use the Handbook.

C. 　The Handbook operator should arrange the document within paragraphs in
a manner he considers to be most incentive to the kind of pilot expected
to use the Handbook.

A. 　ensure that there are no loose component in the engine air intakes.

B. 　ensure that there are no loose dusts in the engine air intakes.

C. 　make sure that there are no loose objects in the engine air intakes.

A. 　 Entrance Stairs or step are connected with entrance doors and move
accordingly.

B. 　 Entrance Stairs or step are integrated with entrance doors and operate
together.

C. 　 Although entrance Stairs or step operate together with entrance doors,
they are not integrated.

A. 　Maximum Landing Weight is maximum weight approved for the landing
touchdown.

C. 　Maximum Landing Weight is minimum weight provided for the landing
touchdown.

A. 　all approval must be approved by the Design Authority.

B. 　get approval for all modifications from the design authority.

C. 　get approval for all modifications from the production authority.

A. 　COLLECTS

B. 　ABSORBS

C. 　DRAWS

A. 　简介中应包含主题的字母索引,用于定位重要的电路。

B. 　字母表应按照主题分类后在简介中列出,用于定位理想电路。

C. 　简介中应包含主题分类的字母索引,以帮助查找所需的电路。