比例税率的优点不包括（）。 纵向公平性。 横向公平性。 便于征收和管理。 计算简便。
某公安机关在侦查过程中冻结了犯罪嫌疑人胡某的一笔存款，后在侦查过程中胡某死亡，但经查明该被冻结款项是胡某从被害人李某那里抢劫来的赃款。问公安机关应如何处理该款？（） 将该笔款项取出，并交给李某。 应申请人民法院裁定通知冻结该款项的银行，将该款返还李某。 应报请人民检察院批准，。 由于胡某已经死亡，应将该款划入国库。
有哪几种有机化合物杀菌剂？它们的杀菌机理死是什么？
出口中间继电器的起动电压（）。 无特殊要求。 必须不大于50%额定电压。 不得低于50%额定电压。
You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task？（） Upgrade the hardware/memory to accommodate the data.。 Load the data into your database by using the PARALLEL clause.。 Give analysts DBA privilege， so that they can query DBA_EXTERNAL_TABLES.。 Use an external table so you can have the metadata available in your database， but leave the data in the operating system files.。
You are maintaining your database in Oracle10g. You perform a full user-managed backup every Sunday at 8：00 P.M. Your database is running in ARCHIVELOG mode. On Monday， at 9：00 A.M.， a tablespace is dropped. You decide to perform incomplete recovery to recover the dropped tablespace. Which two clauses can you use with the RECOVER command？（）
