当在搜索引擎中输入"computer book"(用引号括起来的computer book),检索的结果最可能是____

搜索引擎在查询结果中就可以只有computer，或只有book，或同时包含computer和book，应该用（）查询关键字。

My professor __ me some reference book on computer science to read.

Who is Chris Paine A: A computer engineer. B: A book seller. C: A writer. D: A reader.

中国大学MOOC: The professor has written another book，________ of great importance to computer science.

Consult the computer manual if you have a problem. A: handbook B: man C: book D: dictionary

The tour guide should prepare a ( ) to record the problems encountered in the course of the tour. A: Book B: Computer C: notebook D: Cellphone

用a或an填空。1．That is ____ apple and it is nice.2．—What's that?—It's ____ computer(电脑).3．This is ___ English book and that is _______math book.

已知关系模式：图书(图书编号，图书类型，图书名称，作者，出版社，出版日期，ISBN)，图书编号唯一识别一本图书。建立“计算机”类图书的视图Computer-BOOK，并要求进行修改、插入操作时保证该视图只有计算机类的图书。实现上述要求的SQL语句如下： CREATE ______ AS SELECT 图书编号,图书名称,作者,出版社,出版日期 FROM 图书 WHERE 图书类型=’计算机’ ______; A: TABLE Computer_BOOK B: VIEW Computer-BOOK C: COmputer-BOOK TABLE D: Computer-BOOK VIEW

This book tells about _____ life story of Bill Gates who dropped out of _____ college and founded a computer company at the age of 19. A: the ; the B: a ; the C: the ; / D: a ; /