加强对导、地线悬垂线夹承重轴磨损情况的检查，导地线振动严重区段应按（）周期打开检查，磨损严重的应予更换。
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现金流期限错配分析以短期为重点，但鼓励商业银行开展中期乃至长期的期限错配分析，以及早发现潜在（）风险。
A. 市场性
B. 政策性
C. 操作
D. 流动性
《窦娥冤》全称《感天动地窦娥冤》，是元朝（）的杂剧代表作。
The accounting manager wants you to create a form that when queried will display a calculated total of year-to-date actual expenditures for the fund code entered. The value needed to generate this summary data are stored in multiple tables. How would you define the data source for this data block without having the DBA create a database object? （）
A. Choose Tools -> Data Block Wizard, select View as the data source type, and base the block on the columns from the bales.
B. Choose Tools -> Data Block Wizard, select Table as the data source type, and base the block on the columns from the tables.
C. Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually and alter the Query Data Source Columns and Query Data Source Arguments properties to enter the SELECT statement.
D. Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually, alter the Query Data Source Type property to 'Table', and enter the SELECT statement in the Query Data Source Name property.
E. Choose Tools -> Data Block Wizard, select Stored Procedure as the data source type, and base the block on the columns the tables.
F. Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually. Alter the Query Data Source Type to 'FROM' clause query', and enter the SELECT statement in the Query Data Source Name property.
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