16.This is a purely _______ problem, not a political one. A. additional B. assiduous C. adamant D. academic
<academic> academic adj.学术的、理论的 </academic>
<additional> additional 额外的、附加的 additive 添加剂 addendum 补充、附录 adder 蝰蛇 deaf as an adder 充耳不闻 </additional>
<assiduous> assiduous 勤奋的、好学的 insidious 阴险的、狡诈的 preside (over) 主持 consider 考虑 </assiduous>
<adamant> adamant 固执的 </adamant> |