（）属性能够实现层的隐藏。 ["display：false","display：none","display：hidden","display：" ""]
将信息系统开发的部分控制权或全部控制权交给从事系统服务的外部开发商的开发方式称为（）。 ["生命周期法","原型法","软件包开发法","外包法"]
过去谈到文化发展的时候，我们观念上似乎总是重在堵，大致可以归纳为（）。 ["堵资本主义的恶","堵封建主义的毒","堵日常生活中的俗","堵人性中的欲"]
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a management data warehouse that uses the data collector to collect performance data. You intend to maintain the management data. You want to implement a data collection process. The process can gather and upload data in the management data warehouse on different schedules. What process should you implement？（） ["You should create a cached data collection","You should create an on-demand non-cached data collection ","You should create a scheduled non-cached data collection ","You should create two different SQL Agent jobs that are scheduled stimultaneously"]
下列关于纸面石膏板的性能特点，说法错误的是（）。 ["轻质","不耐火","隔音","保温隔热"]
机械性损伤致死的常见直接原因有哪些？
