具有抗肠虫作用的免疫增强药是()
A.白细胞介素
B.干扰素
C.转移因子
D.左旋咪唑
E.胸腺素
参考答案:D
解析:左旋咪唑既是一种口服有效的免疫调节药,又对多种线虫有杀灭作用。
Requirements management is the process of(1),analyzing,tracing,prioritizing and agreeing on requirements and then controlling changes and communicatingto relevant stakeholders.It is a(2) process throughout a project.A requirement is a capability to which a project outcome (product or service) should conform.
空白(2)为()
A.persistent
B.continuing
C.permanent
D.continuous
()是黏液溶解剂,用于咳痰困难。
A.脯氨酸
B.半胱氨酸
C.N-乙酰半胱氨酸
D.胱氨酸