【单选题】For most of the history of our country, women were expected to remain in the home and raise the children. However, forces in the culture, as well as economic considerations, have dramatically altered ...
【简答题】LL(1) 文法分析(共计 15 分) ( 1 )计算文法 G[A] 的文法符号的 FIRST 和 FOLLOW 集合,填入表 1 中 (4 分 ) (2) 判断能否将文法改写成为 LL(1) 文法,写明改写后的结果文法,如果是 LL(1) 文法,则给出其预测分析表。 (11 分 ) G[A] : A à aABe | a B à Bb | d 表 1 FIRST FOLLOW A B