按照规定公式，若要计算会员T日结算头寸余额，可能涉及（）项目。
A.T日存款
B.T日提款
C.T+1日存款
D.T+1日提款
参考答案：A, B
加热炉点炉前进行吹扫的目的，一是（）；二是（）。
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 HTTE 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
