经国务院批准,()人民政府根据精简、统一、效能的原则,可以决定一个行政机关行使有关行政机关的行政许可权。
A. 较大的市
B. 设区的市
C. 省、自治区、直辖市
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严格坚持民主集中制,凡属方向性、全局性的问题和干部任免、大宗物资采购、重大经费开支、大项工程建设等重要决策,必须经()决定。
You discover that the schema changes that were recently made to your SQL Server 2005 database have caused your Web site to stop functioning. It is unclear who made the changes. TestKing.com now mandates that all changes to the database schema be tracked. You need to implement a mechanism that will track schema changes in your database. What should you do?()
A. Implement a stored procedure that writes data about schema changes to a log table.
B. Implement DDL AFTER triggers that write user and schema information to a log table.
C. Implement a DML INSTEAD OF trigger that writes data about schema changes to a log table.
D. Implement a DML AFTER trigger that writes data about schema changes to a log table.
气体燃料的主要成分是()。
A. CC02及H2
B. CH2及CH4
C. H2、CH4及N2
D. CN2及O2