选择题. Originally introduced by Netscape Communications, 66 are a general mechanism which HTTP Server side applications, such as CGI 67 , can use to both store and retrieve information on the HTTP 68 side of the connection. Basically, Cookies can be used to compensate for the 69 nature of HTTR The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based 70 .66.