非物质报酬激励。包拓()和良好的工作条件与环境等。
A.赏识
B.荣誉
C.地位
D.培训
E.晋升
参考答案：A, B, C, D, E
My brother ___ in his school for two years. [ ]
A. were
B. has been
C. is
D. is being
浆细胞主要存在于
A．脾及淋巴结
B．外周血
C．胸腺
D．粘膜相关的淋巴组织
E．骨髓
