我国企业债券的发展大致经历了()。
A.萌芽期
B.发展期
C.整顿期
D.再度发展期
参考答案:A, B, C, D
—What are your plans for the weekend?
—______. [ ]
A. I've no idea
B. I don't know, either
C. I'd like some holiday
D. I have done the work
耗热量指标由大到小:().