家族信托属于何种信托（）。 ["A.商事信托","B.民事信托","C.投资信托","D.理财产品"]
The Convention is the first to establish basic requirements on training certification and watch-keeping for seafarers on an international level（）. ["STCW78","STCW95","SOLAS74","SOLAS88"]
无线电噪声对电视接受产生影响最大的是由火花放电形成的（）。
目前长江已经建成的最大的水电站是（） ["三峡","龙羊峡","葛洲坝","小浪底"]
农业银行目前开展家族信托业务的资产门槛是多少（）。 ["3000万","5000万","1亿","8000万"]
销售者应当履行的五项“三包”义务是什么？
