简述电力建设工程施工机械台班定额费用组成内容。
参考答案：
包括折旧费、大修理费、经常修理费、安拆费、场外运费、燃料动力费、人工费、养路费、车船使用税。
等腰三角形的两边长分别为4和9，则这个三角形的周长为[ ]
A.13
B.17
C.22
D.17或22
Originally introduced by Netscape Communications, (56) are a general mechanism which HTTP Server side applications, such as CGI (57) , can use to both store and retrieve information on the HTTP (58) side of the connection. Basically, Cookies can be used to compensate for the (59) nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (60) .
（58）是（）
A.Client
B.Editor
C.Creator
D.Server
