问题补充:
The villagers in the mountain have a firm that they will have a good harvest next year.
A. opinion
B. theory
C. idea
D. belief
答案:
A. opinion
B. theory
C. idea
(答案→)D. belief
解析:考察名词词义辨析。A观点;B理论;C主意;思想;D信念;信仰;句意:大山里的村民们有一个很坚定的信念,明年他们会有一个很好的收获。根据句意说明D正确。