【单选题】My brother was still studying into the night while I was asleep. [ ]
【简答题】While I was studying in the library a friend of mine sent me a __________ asking me if I wanted to have lunch with them.
【单选题】He ______ while I was studying.
【多选题】Oracle 数据库服务器包含的两个主要组件是
【简答题】While l was studying in Madrid, I visited a lot of museums. ( ) in Madrid, I visited a lot of museums.
【单选题】在数据库三级模式间引入两个映射的主要作用是( )[1分]
【简答题】阅读下列短文,从每题所给的四个选项(A、B、C、D)中,选出最佳选项,并填写在答题卡上。 When I was at university I studied very hard. But a lot of my friends did very little work. Some did just enough to pass exams. Others didn't do quite enou...
【简答题】EBSCO数据库公司开发了近100多个电子文献数据库。我校购买了其中的两个主要的全文数据库,它们分别是:( )和( )。
【简答题】阿尔特雷希特·丢勒的艺术兼有尼德兰细腻、精致和个性的特点,以及南欧艺术的 ___________ 、理想化和科学性。