在操作技能形成过程中，动作缓慢、不协调，常感到紧张，这一阶段是（） ["操作定向","操作模仿","操作整合","操作熟练"]
离子键结合法的常用载体有（） ["DEAE-纤维素","TEAE-纤维素","DEAE-葡聚糖凝胶","氨基酸共聚物","甲基丙稀醇共聚物"]
Your network contains a server named Server1 that runs Windows Server 2008 R2. You create an Active Directory Lightweight Directory Services （AD LDS） instance on Server1. You need to create an additional AD LDS application directory partition in the existing instance. Which tool should you use（） ["Adaminstall","Dsadd","Dsmod","Ld"]
你在创建一个 Web 窗体。这个 Web 窗体允许用户计算值并在名为 lblResults 的 Label 控件中显示结果。你需要在 Web 窗体通过 Error 事件截获所有未处理的异常并显示异常在 Web 窗体上。你可以使用下面那个代码段实现？（） [" protected void Page_Error(object sender, EventArgs e) { lblResults.Text = e.ToString();e=null;}"," protected void Page_Error(object sender, EventArgs e) { lblResults.Text =Server.GetLastError().ToStri();Server.ClearError();}"," protected void Page_Error(object sender, EventArgs e) Response.Write(e.ToString());e=null;}"," protected void Page_Error(object sender, EventArgs e) Response.Write(Server.GetLastError().ToString()); Server.ClearError();}"]
Your network contains a server named Server1 that runs Windows Server 2008 R2. On Server1， you create an Active Directory Lightweight Directory Services （AD LDS） instance named Instance1. You connect to Instance1 by using ADSI Edit. You run the Create Object wizard and you discover that there is no User object class. You need to ensure that you can create user objects in Instance1. What should you do（） ["Run the AD LDS Setup Wizard.","Modify the schema of Instance1.","Modify the properties of the Instance1 service.","Install the Remote Server Administration Tools （RSAT）."]
某企业年销售额（全部赊销）为500000元，毛利率为20%，流动资产为100000元，流动负债为80000元，存货为40000元，现金5000元（一年按360天计算）。假定本年赊销净额为960万元，应收帐款以外的其他速动资产忽略不计，计算该公司应收帐款周转期。
