单项选择题
A.WriteDeclaring() B.WriteDeclared() C.WriteProcessedInstruction() D.WriteProcessingInstruction()
A.WriteBeginDocument() B.WriteNewDocument() C.WriteStartDocument() D.WriteCreateDocument()
A.根据XPath查询的内容返回结果集 B.提供了浏览XPath节点集的方法 C.允许节点测试以节点名称或节点值进行匹配 D.定位查询路径