现场质量检查方法之一的目测法，其检查手段有（）。 看。 靠。 摸。 敲。
You have a use case in your web application that adds several session-scoped attributes. At the end of theuse case， one of these objects， the manager attribute， is removed and then it needs to decide which of theother session-scoped attributes to remove. How can this goal be accomplished？（） The object of the manager attribute should implement the HttpSessionBindingListener and it should call the removeAttribute method on the appropriate session attributes.。 The object of the manager attribute should implement the HttpSessionListener and it should call the removeAttribute method on the appropriate session attributes.。 The object of the manager attribute should implement the HttpSessionBindingListener and it should call the deleteAttribute method on the appropriate session attributes.。 The object of the manager attribute should implement the HttpSessionListener and it should call the deleteAttribute method on the appropriate session attributes.。
网页设计时应考虑哪些问题？
下列施工质量控制的依据中，属于专门技术法规性依据的是（）。 设计交底和图纸会审记录。 施工工艺质量方面的技术法规性文件。 工程建设合同。 工程建设项目质量检验评定标准。
产权
皮带机（）操作由岗位工人自行启动或停止。
