格式条款是当事人为了______而预先拟定并在订立合同时未与对方协商的条款。
参考答案：重复使用
换热器的传热系数K值（），换热器的传热效率越高。
A.大
B.小
C.不影响
D.不一定
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(3)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) .
空白（3）处应选择（）
A.Client
B.Editor
C.Creator
D.Server
