某献血者的血型鉴定反应格局如下：
请问该献血者的血型为（）。

计算35kV线路电流保护时，计算人员按如下方法计算，请问其中哪一项计算是错误的？（　）

Apache服务器的配置文件httpd.conf中有很多内容，请解释如下配置项：
（1）MaxKeepAliveRequests200
（2）UserDirpublic_html
（3）DefaultTypetext/plain
（4）AddLanguareen.en
（5）DocumentRoot“/usr/local/httpd/htdocs”
（6）AddTypeapplication/x-httpd-php.php.php.php4

参考如下的 Web.Config 文件配置。请问，ASP.NET 会把没有验证的用户重定向到什么页面？（）

一项病例对照研究数据如下，其OR值为（）

You are using the ASP.NET membership APIs to manage user accounts for a Web site. The Web.config file contains the definition for the membership provider. After modifying the Web.config file to enable password recovery, you create a PasswordReset.aspx file.? You need to enable users to reset their passwords online. The new passwords must be sent to them by e-mail after they have logged on through the Login.aspx page. In addition, users must be required to answer their secret questions before resetting their passwords.
Which code logic should you use?（）

You recently developed a Web application that accesses an external Web service to retrieve current exchange rates for Certkiller .com's e-Commerce Web site. The Web service converts USD prices to the customer's local currency. You have stored the URL to the external Web service's endpoint in the section of the Web.config file. The Web application has been successfully deployed to a Certkiller .com Web server named Certkiller -SR14. A few months later the vendor of the Web service changes the port that is used to access the Web service. You need to update the section of the Web application's Web.config file from Certkiller -WS528. You need to ensure that your solution has a minimal impact on customers that may be connected to the e-Commerce Web site.
What should you do?（）

在httpd.conf配置文件中，下列配置项有什么意义？