【简答题】mountain [ˈmaʊntən] n. (C)
【单选题】We have to keep investing in the development of every available source of American-made energy.
【简答题】磁偏角是 与 的夹角,以指北针为准,偏东为正,偏西为负
【简答题】查询 18001学生的选课成绩。结果按成绩由高到低排序 S elect grade from sc order by grade () where sno=’18001’
【单选题】( )(只要)you keep knocking every door of every school,you will be admitted one day.
【简答题】keep ____ of every sale(对每笔销售做细致记录)