马尾部肿瘤最常见的早期症状是()
A.腰骶部疼痛
B.鞍区感觉减退
C.下肢瘫痪
D.肛门括约肌障碍
E.肛门反射消失
参考答案:A
Each of the 400 people received from their boss ____ gift-"Who moved my cheese?"- ____ best-seller in
the US-to understand how to deal with changes in their lives and work. [ ]
A. the; 不填
B. a; a
C. a; 不填
D. the; a
国家和地方规定的福利条例,企业必须坚决严格执行,这体现了福利管理的( )。
A.合理性原则
B.计划性原则
C.必要性原则
D.强制性原则