下列关于减刑的刑期计算，错误的说法是( )．

A．对于原判有期徒刑的，减刑后的刑期自原判决执行之日起算；原判刑期已经执行的部分，不计入减刑以后的刑期之内

B．对于原判无期徒刑减为有期徒刑的，刑期自裁定减刑之日起算；已经执行的刑期，不计人减刑以后的刑期之内

C．无期徒刑减为有期徒刑之后再次减刑的，其刑期的计算，则应按用有期徒刑减刑的方法计算

D．对于曾经被依法适用减刑，后因原判决有错误，经再审后改判为较轻刑罚的，原来的减刑仍然有效，所减刑期，应从改判的刑期中扣除

Originally introduced by Netscape Communications, (1) are a general mechanism which HTTP Server side applications, such as CGI (2) , can use to both store and retrieve information on the HTTP (2) side of the connection. Basically, Cookies can be used to compensate for the (4) nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (5) .

3（）

A.programs

B.applications

C.frameworks

D.constrains