A.風(fēng)險(xiǎn)預(yù)防 B.風(fēng)險(xiǎn)規(guī)避 C.風(fēng)險(xiǎn)分散 D.風(fēng)險(xiǎn)轉(zhuǎn)嫁
A.30% B.40% C.50% D.60%
A.4% B.%8 C.50% D.100%