[单选] You create a Web Form. The Web Form allows users to calculate values and display the results in a label named lblResults. You need to capture all unhandled exceptions on the Web Form through the Error event. The Error event must capture each unhandled exception and display it on the Web Form. Which code segment should you use?（）

A . protected void Page_Error(object sender, EventArgs e) { lblResults.Text = e.ToString(); e=null;}
B . protected void Page_Error(object sender, EventArgs e) { lblResults.Text = Server.GetLastError().ToString(); Server.ClearError();}
C . protected void Page_Error(object sender, EventArgs e) Response.Write(e.ToString()); e=null;}
D . protected void Page_Error(object sender, EventArgs e) Response.Write(Server.GetLastError().ToString()); Server.ClearError();}

硅酸盐的抗压强度大于（），抗折强度大于0.4MPa，在高温600℃下抗拉强度大于0.05Mpa。 A.0.4Mpa 。 B.0.5Mpa 。 C.0.6Mpa 。 D.0.8Mpa。 Your company has a network that has an Active Directory domain. The domain has two servers named DC1 and DC2.You plan to collect events from DC2 and transfer them to DC1. You configure the required subscriptions by selecting the Normal option for the Event delivery optimization setting and by using the HTTP protocol. You discover that none of the subscriptions work. You need to ensure that the servers support the event collectors.Which three actions should you perform？（） Run the wecutil qc command on DC1.。 Run the wecutil qc command on DC2.。 Run the winrm quickconfig command on DC1.。 Run the winrm quickconfig command on DC2.。 Add the DC2 account to the Administrators group on DC1.。 Add the DC1 account to the Administrators group on DC2.。副高面积指数模板文件的扩展名是（） css。 dwt。 dll。 htm。在通货膨胀时，适当地储存原材料存货可以（）。防止停工待料。获得市场物价上涨的好处。降低进货成本。维持均衡生产。 You create a Web Form. The Web Form allows users to calculate values and display the results in a label named lblResults. You need to capture all unhandled exceptions on the Web Form through the Error event. The Error event must capture each unhandled exception and display it on the Web Form. Which code segment should you use?（）

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