You are creating a Windows Forms application for inventory management by using the .NET Framework 3.5.The application provides a form that allows users to maintain stock balances. The form has the following features： （1）A dataset named dsStockBalance to store the stock information （2）A business component named scInventory. The scInventory component provides a method named Save. You need to ensure that only the modified stock balances of dsStockBalance are passed to the scInventory Save method. Which code segment should you use？（） ["A","B","C","D"]
决定传导速度的主要因素是（） ["有效不应期","0相上升速率","动作电位时程","4相自动除极速率","以上都不是"]
幼儿园公共关系建构的特征有（）。 ["A.情感性 ","B.双向性 ","C.广泛性 ","D.整体性"]
对证券市场监管的目的是什么？
在编制预算时就已经安排了财政支出大于财政收入，称为（）。 ["决算赤字","财政赤字","赤字财政","财政结余"]
法律
