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单选题
102、Basically, it is a guide to industry standardization of proven concepts to be presented in as form most useful to pilots.
A
This guide is the most useful for pilots, is also industry standardized, and the concepts in it have been confirmed basically.
B
This guide is the most useful for pilots, is also industry standardized, and the concepts in it have been supplied basically.
C
This concept is the most useful for pilots,is also industry standardized, and the guides in it have been confirmed basically.
答案解析
正确答案：B
解析：
解析:注释:proven 被证明的;concept,概念。present 显示,呈现,提出;supply 提供; confirm 确认。
相关知识点：
指南对飞行员实用且标准化
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