根据下面所给的AAA数据库，按照下列每种功能写出相应的Transact-SQL语句或程序段
假设使用名称为AAA的数据库，它包括Students（学号char（8），姓名varchar（8），年龄int，专业varchar（20），入学日期DateTime）和Score（学号char（8），课程名varchar（10），成绩numeric（5，2））两张表。显示出Students表中所有学生记录的学号列的前四个字符。 正确。 错误。
结合实际，谈谈如何对中小学生进行心理健康教育？ 正确。 错误。
您有一台运行 Windows 7和WindowsInternetExplorer 8的计算机。您已经在这台计算机上安装了一个第三方 Internet Explorer 工具栏。您需要暂时禁用该工具栏。解决方案不得影响任何其他已安装的工具栏。您应该怎么做？（） 正确。 错误。
Your network consists of a single Active Directory domain named Contoso.com. You have a server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）. You have two domain user accounts named Admin1 and User1. Admin1 is a member of the Administrators group on Server1. User1 is a member of the Domain Users group only. You log on to Server1 as User1. You need to run several administrative tools. You must minimize the number of times you are prompted to enter a username and password when starting the tools. You must achieve this goal without logging off from Server1. What should you do？（） 正确。 错误。
Certkiller .com has a server named Certkiller -SR05 that has numerous processors installed. You have been given the task of developing an application that displays certain clock speed statistics on all processors installed on Certkiller -SR05. You need to ensure that this requirement is fully satisfied. What should you do?（） 正确。 错误。
某电开信用证，附注"详情后告"，它只能视作无效简电通知书，不能凭以议付。
