A developer is designing a web application that must verify for each request： The originating request is froma trusted network. The client has a valid session.The client has been authenticated. Which design pattern provides a solution in this situation？（） ["Transfer Object","Session Facade","Intercepting Filter","Template Method","Model-View-Controller"]
小王购入新车一辆，向经销商支付车辆含税价款200000元，手续费30000元。则其应缴纳车辆购置税为（）元。 ["A.17094.02 ","B.19658.12 ","C.20000 ","D.23000"]
关于钢筋混凝土梁受力特征的说法，错误的是（） ["梁的正截面可能出现的破坏形式有适筋、少筋和超筋破坏","梁的超筋破坏为脆性破坏","梁的正截面破坏形式与配筋率有关","梁的支座处易发生正截面破坏"]
简述计算机病毒的危害。
人本主义哲学思潮
衡量某一段时间内网站各网页被浏览的总次数的网站访问指标是什么。
