地下防水工程的质量验收中，对盲沟排水工程检验的一般项目新增了（）检查项。 ["集水管坡度","反滤层","集水管埋深","集水管连接"]
Your company has recently deployed a server that runs Windows Server 2008. The server has the IP information shown below. IP address 192.168.46.186 Subnet mask： 255.255.255.192 Default gateway： 192.168.46.1 Users on remote subnets report that they are unable to connect to the server. You need to ensure all users are able to connect to the server. What should you do？ （） [" Change the IP address to 192.168.46.129"," Change the IP address to 192.168.46.200"," Change the subnet mask to a 24-bit mask"," Change the subnet mask to a 27-bit mask."]
第一印象的作用
PC机的主要性能指标有哪些？
下列说法正确的是（）。 ["一级耐火等级的乙类厂房建筑层数最多为6层","二级耐火等级的乙类厂房建筑层数最多为6层","三级耐火等级的丙类厂房建筑层数最多为2层","丁、戊类厂房建筑层数最多为3层","四级耐火等级的丁、戊类厂房只能为单层建筑"]
请指出下列数据流图中存在的错误，并改正。
