847、 All personnel must fully know the safety precautions

A. 　Make sure that there is supplied air flow in the work area.

B. 　Make sure that there is sufficient airflow in the work area.

C. 　Make sure that there is efficient airflow in the work area.

A. 　If you do not safety the door, strong winds must cause damage to the structure.

B. 　If you do not safety the door, damage to the structure due to strong winds is acceptable.

C. 　If you do not safety the door, damage to the structure due to strong winds is probable.

A. 　 The aim of STE is that readers all over the world can easily understand the technical texts and that writers
who are responsible for preparing technical texts know how to prepare them in a easy method.

B. 　 The objective of STE is to provide writers with general principles on how to prepare technical documents in
a clear, simple and distinct manner That readers all over the world can easily understand.

C. 　 The function of STE is to describe how to prepare technical texts in a easy. Clear and specific way and to
allow readers all over the world to understand difficultly.

A. 　 Refer to the general information in addition to engine operation limits, guidelines and special procedures.

B. 　 For general information, refer to engine operation limits; guidelines and special procedures.

C. 　 Refer to engine operation limits, guidelines and special procedures be sides general information.

A. 　 Each electrical system is identified by a code.

B. 　 Each code of electrical system is identified.

C. 　 Each system is identified by an electrical code.

A. 　 A number in the bottom left corner of the display means a related page.

B. 　 A number in the top left corner of the display refers to a related page.

C. 　 A number in the top left corner of the display is the irrelevant page.

A. 　 Check the bypass valves.

B. 　 Close the isolating valves.

C. 　 Inspect the check valves.

A. 　用不同颜色的衬套来识别线路

B. 　识别不同颜色的金属丝套筒

C. 　用套简来辨别电线的颜色

A. 　止动螺母的不正确调整会造成方向能脚蹬的损坏

B. 　方向能踏板的止动螺钉不恰当的调节会带来伤害

C. 　方向舵脚蹬上的止动螺栓的不恰当调节会造成损坏

A. 　 Each revision and the effective page should be logged in the logbook.

B. 　 Only the effective revisions pages need to be recorded in the manual.

C. 　 Each manual shall have a record of revisions or effective pages.