唐朝开元年间，江南某地发生洪灾，需要修筑堤防。在唐朝的中央机构中，具体负责执行这项工作的是（）。 吏部。 户部。 礼部。 工部。
The Oracle Database 11g database is running in the ARCHIVELOG mode. The archived redo log files are stored on three locations. The Flash Recovery Area is one of the locations. The details are given below: Which statement is true regarding what this command accomplishes?（） All archived redo log files backed up at least twice to tape are deleted.。 All archived redo log files backed up at least once to tape are eligible for deletion.。 All archived redo log files backed up at least twice to tape are deleted from the flash recovery area.。 All archived redo log files in local archiving destinations and the flash recovery area backed up at least twice to tape are eligible for deletion.。
化学是（） 研究物质组成、结构、性质和变化规律的科学。 研究物质转换方法的科学。
按权责发生制原则，下列项目中属于本年收入的有（）。 收到上年所销产品的货款20000元。 预收下年仓库租金20000元。 本年销售产品一批，价款10000元，货款将于下年收到。 12月份销售产品一批，价款10000元，而货款已于上年12月份预收。
Given: What is the result?（） harrier。 shepherd。 retriever。 Compilation fails.。 retriever harrier。 An exception is thrown at runtime.。
WebSphere Commerce categorizes store data into several categories. Prices， Contracts， and Campaigns are all examples of which type of data？（）
