Scanning 1、单选题:Read the passage "The Discovery of X-rays" quickly and choose the paragraph(s) which contain(s) the answer(s). You may choose more than one answer for question 3. The .....
引言 1、多选题:在数据库界曾经获得过图灵奖学者包括( )选项:A: Charles W. BachmanB: Edgar F. CoddC: James GrayD: Michael Stonebraker答案: 【 Charles W. Bachman;Edgar F. Codd;James Gray;Mi...