装配活塞销时，通常先把活塞放在电炉箱中或润滑油中加热至（）℃， 20～30。 30～40。 70～80。 190～200。
骨钉属于第几类医疗器械（） 第一类。 第二类。 第三类。
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a Web form and add the following code fragment. The SqlDataSource1 DataSource control retrieves the Quantity column values from a table named Products. You write the following code segment to create the rptData_ItemDataBound event handler. (Line numbers are included for reference only.) 01 protected void rptData_ItemDataBound(object sender, 02 RepeaterItemEventArgs e) 03 { 04 05 if(lbl != null) 06 if(int.Parse(lbl.Text) < 10) 07 lbl.ForeColor = Color.Red; 08 } You need to retrieve a reference to the lblQuantity Label control into a variable named lbl. Which code segment should you insert at line 04?（） Label lbl = Page.FindControl("lblQuantity") as Label; 。 Label lbl = e.Item.FindControl("lblQuantity") as Label; 。 Label lbl = rptData.FindControl("lblQuantity") as Label; 。 Label lbl = e.Item.Parent.FindControl("lblQuantity") as Label。
You have an Active Directory domain named contoso.com. You have a domain controller named Server1 that is configured as a DNS server. Server1 hosts a standard primary zone for contoso.com. The DNS configuration of Server1 is shown in the exhibit. （Click the Exhibit button.） You discover that stale resource records are not automatically removed from the contoso.com zone. You need to ensure that the stale resource records are automatically removed from the contoso.com zone. What should you do（） Set the scavenging period of Server1 to 0 days.。 Modify the Server Aging/Scavenging properties.。 Configure the aging properties for the contoso.com zone.。 Convert the contoso.com zone to an Active Directory-integrated zone.。
就业中的非歧视的“正当理由”包括（）。 与工作相关的资历。 工作能力。 特殊职业要求。 与人身健康相关。
《招标公告发布暂行办法》属于（）。
