A.保險(xiǎn)保障 B.風(fēng)險(xiǎn)轉(zhuǎn)移 C.風(fēng)險(xiǎn)共擔(dān) D.消除風(fēng)險(xiǎn)
A.彌漫型病變B.菜花樣新生物C.局灶性息肉狀物D.乳頭型病變
A.社會(huì)主義B.農(nóng)業(yè)社會(huì)C.科技社會(huì)D.經(jīng)濟(jì)社會(huì)