A:按劳分配
B:财产性收入
C:按个体劳动者劳动所得分配
D:按生产要素分配
根据句意及首字母提示完成单词We went to a summer c____ last year.There w____ many trees on the mountains five years ago(以前).We are studying hard for e____ .—He was an English teacher.—R____ ? Did he teach you?What an a____ classroom! It’s too dirty!
用一只平底锅烙饼,每次只能放两张饼,烙一张饼需要2分钟(正反面各1分钟);烙3张饼至少需要( )分钟.