受累段肾实质呈透明区,肾区缺少一段实质。急性期肾盂肾盏结构正常()
A.肾梗死
B.肾囊性病变
C.肾恶性肿瘤
D.肾脓肿
E.肾良性肿瘤
参考答案:A
In requirements engineering, requirements elicitation is the practice of collecting the requirements of a system from users, customers and other stakeholders, In the following practices.______is rarely used in requirements elicitation.
A.brain storming
B.interview
C.questionnaire
D.Monte Carlo analysis
安检人员()是社会主义职业道德在民航安检职业活动中的具体体现。
A.行为规范
B.职业规范
C.职业道德规范
D.行为准则