* * 衡压力钻井就是使用合理的钻井液密度形成略大于地层孔隙压力的液柱压力。（）
参考答案：对
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 HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based （70） .
A．Client
B．Editor
C． Creator
D．Server
为什么说睡前刷牙更为重要？
