我国小学阶段，德育内容主要体现在（）中 班级教育活动。 思想品德课。 全校性思想政治教育活动。 班会和校会。
How many expansion frames can be attached to an IBM TS3500 model L23 or L53 base frame? （） 15。 16。 17。 18。
某人在一段时间里常常感到情绪低落，兴趣减退，对前途悲观失望，总是提不起精神来。根据这些表现可判断该人的情绪是（） 抑郁。 焦虑。 自卑。 压抑。
著名教育家（）说：我的教育信条是，没有爱就没有教育，没有兴趣就没有学习。
You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. A user database named Products is included by your SQL Server 2005 computer. SQL Server Integration Services （SSIS） packages are utilized to export data from the Products database to a text file. You deliver the text file to your company’s trading partners by utilizing FTP. You are required to make sure that your SSIS packages can be recovered from the occurrence of a disaster. Which action should be performed to finish the task？（） To finish the task，the Products database should be backed up.。 To finish the task，your server should be set to utilize the full recovery model.。 To finish the task，your server should be set to utilize the bulk-logged recovery model.。 To finish the task， the msdb database should be backed up.。
大肠杆菌属于（）
