句型应简单直接，无需阐述明显多余的和过于基础的信息。应避免讨论理论知识，除非该理论知识对 实际操作的理解和施工是必要的。
A.Sentence forms shall be simple and direct, avoiding the obvious, the elementary and discussions of theory except where essential for practical understanding and application. B.Sentence forms shall be simple and direct, avoiding the obvious and the elementary, and omitting discussions of theory except where essential for practical understanding and application. C.Sentence forms shall be simple land direct iso as to avoid the obvious and the elementary, and to omit discussions of theory except where essential for practical understanding and application.正确答案A
