谈判目标可分为三个层次：必须达到的目标、能够接受的目标和最高目标。（ ）
参考答案：对
It's important to assess the maturity of enzyme systems (kidney and liver) in which pediatric population before administering medications
A．Adolescents.
B．Neonates.
C．Premature infants.
D．Toddlers.
2500吨压机予压压力原规定为（）MPa，新规定为（）Mpa。
