当客流量由小变大时，发车的行车间隔应该（）。 ["由小变大","由大变小","均匀穿插","有点变小，再由小变大"]
You are creating the SAL_INFO data block on the EMP_QUERY form. The SALARY field should only be populated if the logged-on user is a manager. Since this query could potentially return a large amount of records, you have created a stored procedure which uses a ref cursor on which to base the data block. How would you create the data block?（） ["Click the Data Blocks node in the Object Navigator and click the create button. Choose to build the data block manually. Enter the procedure name in the Query Data Source Columns property and the procedure code in the Query Data Source Arguments property. ","Choose Tools -> Data Block Wizard, select Table as the data source type, and base the data block on the columns included in the procedure. ","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 'Ref cursor', and enter the name of the procedure in the Query Data Source Name property. ","Select the Data Blocks node in the Object Navigator and click the Create button. Alter the Query Data Source Name, Query Data Source Columns, and Query Data Source Arguments properties to create a stored procedure that uses a ref cursor. ","Launch the Data Block Wizard, select Stored Procedures as the data source type, and base the block on the procedure."]
简述游戏对学前儿童情感发展的作用。
色调指？
贾谊（前200年一前168年）在《过秦论》中说：“却匈奴七百余里，胡人不敢南下而牧马。”这是由于（）。 ["蒙恬率军出击匈奴","卫青、霍去病率军出击匈奴","窦固率军出击匈奴","窦固、窦宪率军出击北匈奴"]
非专利技术
