在批准的初步设计范围内，设计变更、材料代用、局部地基处理等增加的费用，应计入（）。 ["A.现场经费 ","B.施工企业管理费 ","C.基本预备费 ","D.涨价预备费"]
排水管道与其它管道（线）交叉，常常会应用倒虹管法，下列有关倒虹管法说法错误的是（）。 ["常用于排水管道与其它管线的高程冲突严重时","铺设时应尽可能与障碍管线轴线垂直且上行、下行斜管与水平管的交角一般应小于30°","该法易引起淤塞，须建造进、出水井","当管内设计流速不能达到0.5m\/s，则建成使用后应定期对倒虹管冲洗，冲洗流速不小于1.0m\/"]
间隙相
男性，3岁，1年来在一般性日常活动中反复发生右肩关节前脱位4次。其主要原因是（） ["缺少自我保护意识","年龄较小","初次脱位未行固定","先天发育不良","伴有骨折"]
You connect your computer to a wireless network. You discover that this new connection fails to show in the Connect to a network window. You need to view this connection in the Connect to a network window. What should you do？（） ["Click the Diagnose and repair link.","Enable the Turn on notification of new networks option.","Configure the Connect to a network window to show all networks.","Disable the Connect automatically when this network is in range option， and then enable the Connect even if the network is not broadcasting option."]
简答崇高体验的特征。
