“四议两公开”即“4+2”工作法，即农村所有村级重大事项都必须在村党组织领导下，按照“四议”、“两公开”的程序决策实施，“四议”是指：（）、（）、（）、（）；“两公开”是指：（）、（）。
盛装易燃易爆介质的压力容器，可以用以下何种气体或液体进行置换（） ["氦气","空气","氮气","氧气"]
在正常备份与增量备份的组合方案中？分别备份了哪些文件？该组合方案有什么优缺点？
Squeaky Beans Inc. hired an outside consultant to develop their web application. To finish the job quickly，the consultant created several dozen JSP pages that directly communicate with the database. The Squeakybusiness team has since purchased a set of business objects to model their system， and the Squeaky developer charged with maintaining the web application must now refactor all the JSPs to work with the newsystem. Which pattern can the developer use to solve this problem？（） ["Transfer Object","Service Locator","Intercepting Filter","Business Delegate"]
建筑设备自动监控系统的电量变送器是将各自的参数变换为（）电信号输出。 ["4～20VDC","0～20mA","0～20VAC","0～10VDC"]
什么是虚拟目录？它的作用是什么？
