【单选题】下列选项中不属于气压传动装置的是( )。
【简答题】The police knew nothing about the case ________ your father phone them. A) after B) since C) as D) until
【单选题】叶轴作一次羽状分枝,每一分枝为羽状复叶的是( )
【简答题】是继贝多芬之后将声乐纳入管弦乐之中来表现交响效果的有一位作曲家。他根据中国唐代诗人李白、王维、孟浩然的诗创作而成《 _______ 》就是一部交响性声乐套曲。
【单选题】It was not until he came back _____ he knew the police were looking for him.
【单选题】羽状复叶的叶轴作一次羽状分枝,每一分枝上又形成羽状复叶,该复叶应为