________ assessment is based on a fixed standard that is usually the ultimate goal which the students are expected to achieve at the end of the course.
________ assessment is based on a fixed standard that is usually the ultimate goal which the students are expected to achieve at the end of the course.
在经济学中,下列关于“商品”的说法正确的是( )。
患儿,4岁。有哮喘病史1年,此次喘促迁延不愈月余,动则喘甚,面白少华,形寒肢冷,小便清长,伴见咳嗽痰多,喉间痰鸣,舌质淡,苔白腻,脉细弱。其证候是