进入煤气柜柜内必须化验CO浓度,()mg/m3方可入柜。 ≤30。 ≤50。 ≤100。
建筑职工意外伤害保险保险期限到()止。 工程所有人对部分或全部工程签发完工验收证书或验收合格。 工程所有人实际占有或使用或接受该部分或全部工程之时。 工程所有人接受该部分或全部工程之时。 项目竣工验收合格日。
下列有关于位图模式的表述正确的一项是?() 位图模式只有黑白过渡,没有彩色的颜色模式。 位图模式将原图像色彩各类替换到256种颜色内,因此能有效减少图像文件的字节数。 位图模式相当于是一个8位/16位的灰度图像。 位图模式是单色模式,用它表示的图像不是黑色就是白色。
You work in Dublin at the main office of TestKing.com. You are responsible for managing a SQL Server 2005 database. The sales department wants a report that compares customer activity in the previous quarter between the main office in Dublin and the branch office in Buenos Aires. They want the data sorted by surname and first name.You restore a recent backup of the Buenos Aires database onto your server. You write queries to build the report, ordering the data by the Surname and FirstName columns. You review the data and notice that the customer list from the Buenos Aires database is sorted differently. The sales department needs the revised data within 15 minutes for a presentation. You need to implement the fastest possible solution that ensures that the data from both databases is sorted identically. What should you do?() Use the Copy Database Wizard to copy the data in the Buenos Aires database to a new database with the same collation as the Dublin database.。 Use the SQL Server Import and Export Wizard to copy the data from the Buenos Airesdatabase into new tables, specifying the same collation as the Dublin database.。 Modify the format file to specify the same collation as the Dublin database. Import the table again.。 Modify the query on the Buenos Aires database to use the COLLATE setting in the ORDER BY clause. In the query, specify the same collation as the Dublin database.。
建立劳动关系应当订立()。 劳务合同。 劳动合同。 雇佣合同。 培训合同。
你正在开发一个模板化的、支持数据绑定的用户控件。控件的功能是基于开发者提供的数据显示一个树形结构。请问,你的控件应该从那个类继承?()