242. Even their most ardent champions concede that no less than a technical or scientific breakthrough is necessary before solar cells can meet the goal of providing one percent of the nation's energy needs. (A) that no less than a technical or scientific breakthrough is necessary (B) that nothing other than a technical or scientific breakthrough is needed (C) that a technical or scientific breakthrough is necessary (D) the necessity for an occurrence of a technical or scientific breakthrough (E) the necessity for a technical or scientific breakthrough occurring c
许多人都说a不对是因为不简洁,我觉得no less than 是大于等于的意思,后面应跟are才对啊,不知这磨想对吗 |