有一单孔WES型实用堰，堰宽＝8.0m，堰高P=50m，堰顶设计水头H＝3.2m，溢流堰下游发生远驱式水跃。已知实用堰的设计流量系数md＝0.502，侧收缩系数ε＝0.96，求通过实用堰的设计流量Qd。
（）优点是可以作为资料长期保存，反复查阅。缺点是效率低，缺乏反馈。 ["书面沟通","口头沟通","正式沟通","非正式沟通"]
当设计无要求时，预应力混凝土构件吊装时的孔道水泥浆强度一般不低于（）MPa。 ["40","45","35","30"]
关于建筑幕墙工程接缝处理的说法，错误的是（）。 ["建筑幕墙是由支承结构体系与面板组成的","连接胶缝所承受的荷载只有玻璃板块的自重","幕墙面板不应跨越变形缝","雨篷等突出幕墙墙面的建筑构造之间，要进行防水和排水设计"]
You are creating a Windows Forms application by using the .NET Framework 3.5. You have resource files in five different languages. You need to test the application in each language. What should you do？（） ["Set the CurrentCulture property explicitly to the respective culture for each language.","Set the CurrentCulture property explicitly to IsNeutralCulture for each language.","Set the CurrentUICulture property explicitly to IsNeutralCulture for each language.","Set the CurrentUICulture property explicitly to the respective culture for each language."]
固体废物污染危害有哪些？
