[问答题] 商业银行的经营三原则的内容及关系。

A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3 FROM t1 WHERE col4 > 1000 ; When will DB2 access the data from table T1 for view V1?（） ["When view V1 is created","Each time the REFRESH VIEW v1 statement is executed","Each time an SQL statement is executed against view V1","Only the first time an SQL statement is executed against view V1"] 影响钙吸收的最主要因素是食品中维生素D和磷的含量。 茶叶审评室宜设在（）。 ["闹市区","交通要道旁","娱乐场所旁","城郊结合区"] 办理使用登记证的气瓶必须是（）。 ["取得充装许可证的充装单位的气瓶；","大型充装单位的气瓶；","地、市、州级质监部门批准的气瓶；","取得充装许可证的充装单位的自有气瓶"] 通用水泥中使用最多的为（）。 ["复合水泥","硅酸盐水泥","粉煤灰水泥","矿渣水泥"] 商业银行的经营三原则的内容及关系。