A. 对 B. 错
A. 语句合法,输出10 B. 语句合法,输出20 C. 因为a没有定义,因此抛出异常 D. 表达式语法非法,抛出异常
A. Yes B. No C. true D. false
A. param B. cookie C. header D. pageContext E. contextScope
A. ${pageScope.request.requestURI} B. ${pageContext. request. requestURI} C. ${ request.requestURI} D. ${requestScope.request. requestURI}
A. <a href= "mailto: ${initParam.master-email} "> email me </a> B. <a href= "tmailto:${contextParam.master-email}"> email me</a> C. <a href= "mailto: ${initParam['master-email']}"> email me</a> D. <a href="mailto: $ {contextParam[' master-email’]}"> email me</a>