Delphi是面向对象的可视化的开发环境，编程语言采用Object C。
在水利工程概预算的费用构成中，下列（）费用属于现场经费中的临时设施费 ["施工导流工程","场内施工排水","供水（支线）","夜间施工增加费"]
When using the Call Subflow step, can variables be shared between the parent (calling) flow and the subflow?（） ["No. ","Yes. ","Yes, but they must be manually passed via input and output mapping. ","Yes, but they must be manually created in both flows and have the same name.&e"]
“百家”学派共同的文化特征是什么？
国天然气"标方"是指在什么状态下而言？
（）是作家阎连科塑造的农村拾荒孩子形象。
