《国家公务员暂行条例》规定：国家公务员实行（）。职级工资是按照不同的职能，分为职务工资、级别工资、基础工资和工龄工资四个部分。
参考答案：职级工资制
导致代谢性酸中毒的原因有
A．酸性物质摄入过多
B．代谢产物过多
C．H+排出减少
D．碱性物质丢失过多
E．呼吸深快
______ provided the methodological foundation for materials for the teaching and its principles formed the basis of such widely used series as English 900 and Success With English.
A. The Direct Method B. The Oral Approach C. The Audiolingual Method D. The Communicative Approach
