建筑施工造成的光污染，主要来自于电焊弧光和（）。 ["射线污染","频闪","夜间施工照明","彩光污染"]
重型肝炎可分为3个类型：（）、（）和（）
发展党员工作，要（），保证质量，有领导、有计划地进行。 ["多多益善","坚持标准","实行关门主义"]
以下不属于纵向思维的特点的是？（） ["单维性","动态性","平面性","历时性"]
You are creating a Web Form. You write the following code segment to create a SqlCommand object. SqlConnection conn = new.SqlConnection(connString); conn.Open(); SqlCommand cmd = conn.CreateCommand(); cmd.CommandText = “select cont(*) from Customers”; You need to display the number of customers in the Customers table. Which two code segments can you use to achieve this goal? （） [" object customerCount = cmd.ExecuteScalar();lblCompanyName.Text = customerCount.ToString();"," int customerCount = cmd.ExecuteNonQuery();lblCompanyName.Text = customerCount.ToString();"," SqlDataReader dr = cmd.ExecuteReader();dr.Read();lblCompanyName.Text = dr[0].ToString();"," SqlDataReader dr = cmd.ExecuteReader();dr.Read();lblCompanyName.Text = dr.ToString()"]
直接工程费是指施工过程中耗费的构成工程实体的各项费用，包括哪些费用？
