激励方法得当，有利于激发和调动职工的积极性。根据美国哈佛大学的心理学家詹姆士在对职工的研究中发现，按时计酬的职工的能力仅能发挥20%--30%，而受到激励的职工的能力可发挥到（）。

[单选题]下列各项中属于二次能源的是(　　)。

[单选题]FIDIC所编制的道德准则要求咨询工程师在任何时候均为委托人的合法权益行使其职责，其含义是指咨询工程师应（）

[问答题]“THE JAZZ AGE” refers to the decade after World War I, when the nation became predominantly urban. It took its name from the rich and varied new popular music which was essentially a creation of the Negro in the city. Historians cannot agree on the origin of the word “jazz”: some say it is of African or Creole origin, and others say that it derived from the name of a musician. But there is no denying that this American form of music originated with Negroes in the first age of their migration to the city, and jazz flourished primarily because of the talent, energy, and imagination of Negroes in cities. In Europe, too, the years after World War I were an age of musical experiment. But jazz was a more democratic, more communal kind of experiment. For the old World saw developing novel forms of “art music”, of salon and concert-hall music.

[单选题]《执业医师法》规定对考核不合格的医师，卫生行政部门可以责令其暂停执业活动，并接受培训和继续医学教育，暂停期限是3个月至

[单选题]进行年度之间账户余额的结转时应（）

[单选题]砖的强度等级用符号（）表示。

[单选题]食品的蛋白质成分在厌氧条件下被微生物分解，产生以恶臭为主的变化为（　　）。

[单选题]在双代号网络图中，根据节点最早时间和最迟时间计算工作的时间参数说法错误的一项是（）。

[判断题]电容滤波电路适用于小负载电流，而电感滤波电路适用于大负载电流。

[单选题]对预防地方性碘缺乏病没有作用的措施是（）