在流量相同的的条件下，流速的大小，取决于所选择的管径。（）
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一般情况下，机械从规划到设计、制造，其所支出的费用是（）。
A. 不变的
B. 递增的
C. 递减的
D. 无规律的
You are working on an existing Web site. You need to secure the Web site by redirecting all users to the logon page, Login.aspx. After logging on, users must be sent back to the page that they originally requested. Which code segment should you use? （）
A. In the Web.config file: On each page in the Web site: void Page_Load(Object sender, EventArgs E){ FormsAuthentication.Initialize(); //Rest of the Page_Load code goes here}
B. On each page in the Web site: void Page_Load(Object sender, EventArgs E){ FormsAuthentication.RedirectToLoginPage(“login.aspx”); //Rest of the Page_Load code goes here}
C. On each page in the Web site: void Page_Load(Object sender, EventArgs E){ Response.Redirect(“login.aspx”);//Rest of the Page_Load code goes here}
D. In the Web.config file:
商品运输包装具有方便功能，以提高物流的各种作业效率。
A. 正确
B. 错误
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