《窦娥冤》全称《感天动地窦娥冤》，是元朝（）的杂剧代表作。
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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.
链条主要用于起重机械的承载挠性件、机械传动中的传动件。
A. 正确
B. 错误
刮涂感光乳剂（）
A. 只涂刮印面
B. 涂被印物接触面
C. 依印纹决定刮涂面
D. 两面皆需刮涂感光乳剂
紧迫局面的含义是（）
A. 两船接近到单凭一船的行动已经不能保证在安全距离上驶过的局面
B. 两船接近到已小于一船用满舵避让时的进距
C. 雾中使用雷达协助避让时，对正横前的来船的最近会遇距离已小于2海里的局面
D. 两船会遇距离小于安全距离
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