在“势”上获得优势的时候，胜利只是时间问题，在“势”上没有获得任何优势的时候，胜利只是一种幻想。
参考答案：对
原始大气中的主要气体成分是（ ）
A．二氧化碳
B．水蒸气
C．氢气
D．氧气
A client is hospitalized with a diagnosis of chronic renal failure. An arteriovenous fistula was created in his left arm for hemodialysis. When preparing the client for discharge, the nurse should reinforce which dietary instruction
A．"Be sure to eat meat at every meal. "
B．"Monitor your fruit intake and eat plenty of bananas. "
C．"Restrict your salt intake. "
D．"Drink plenty of fluids. "
