配制酸性电解液时，配液室内应备有（）水溶液，以备电解液溅到皮肤或衣服上时，用其冲洗。
A.氢氧化钠
B.氯化钠
C.氢氧化铵
D.硼酸
参考答案：C
Originally introduced by Netscape Communications, （） are a general mechanism which HTTP Server side applications, such as CGI （） , can use to both store and retrieve information on the HTTP （） side of the connection. Basically, Cookies can be used to compensate for the （） nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based （） .
The addition of a simple, persistent,client-side state significantly extends the capabilities of WWW-based （） .
A．programs
B．applications
C．frameworks
D．constrains
轴心受压构件中混凝土徐变将使钢筋应力与混凝土应力发生什么变化？
