北京大学歌谣研究会曾明确提出当时搜集民间歌谣有两个目的,即学术的和()。
参考答案:文艺
财务报表比较分析法是财务报表分析中最基本的方法。()
—_______I ______ in the homework before lunch?
—Yes. Please hand it in as soon as possible. [ ]
A. Ought; hand
B. Ought; to hand
C. Have; hand
D. Must; to hand