边际文化指文化的核心地带，或两种文化核心的交界地带。
参考答案：错
Some of the engines were not suitable for the work they were ________ for.
A．intended
B．to intend
C．intending
D．being intended
（）属于单向独立。
A.民间审计
B.注册会计师审计
C.内部审计
D.独立审计
