建设投资的估算方法包括简单估算法和( )估算法。
A．比例
B．分类
C．复杂
D．指标
参考答案：B
胃十二指肠溃疡大出血的临床表现取决于____________________和____________________。
The client with a total laryngectomy receives tube feedings to meet his fluid and nutrition needs. The nurse explains to the client that the purpose of the tube feedings is to
A. prevent pain from swallowing.B. prevent fistula development.C. ensure adequate intake.D. allow for adequate suture line healing.
