（）是指在企业从事研发活动和其他技术活动的，累计实际工作时间在183天以上的人员。包括直接科技人员及科技辅助人员。 ["企业科技人员","企业研究开发人员","研究人员","技术人员"]
Your portable computer is in sleep mode. When you resume work on the portable computer， you are not prompted for a password. You need to ensure that you are prompted for a password each time the portable computer recovers from sleep mode. What should you do？（） ["Configure the computer to hibernate when not in use.","In the current power plan settings， configure the computer to require a password when recovering from sleep mode.","Configure the computer to use the High Performance power plan.","Configure the screen saver settings to require a password on resumption of work."]
情事变更原则的适用条件不包括（） ["具有情事变更的客观事实","情事变更发生在合同成立前","情事变更是当事人所不可预见的","情事变更不可归责于当事人"]
什么是洄游？它的类型。
our network consists of a single Active Directory domain. You have a DHCP server that runs Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Service Pack 3 (SP3). A user named User1 reports that when she starts her computer, she receives a duplicate address error message. You confirm that her computer is configured as a DHCP client. You need to ensure that User1 receives a unique IP address from the DHCP server. What should you do on the DHCP server? （） ["Reconcile the scope. ","Create a superscope. ","Enable conflict resolution. ","Increase the number of IP addresses available in the scope."]
某企业只生产一种产品，单价200元，单位变动成本150元，固定成本400000元，2003年企业的销售量为10000件。企业按同行业先进的资金利润率预测2004年企业的目标利润基数，同行业先进的资金利润率为20%，预计企业资金占用额为600000元。要求：假定其他因素不变，测算企业为实现目标利润的单位变动成本降低额；
