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____
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。
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.
My professor __ me some reference book on computer science to read.
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。实现上述要求的SQl语句如下:[br][/br] 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
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。实现上述要求的SQl语句如下:[br][/br] 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
Who is Chris Paine A: A computer engineer. B: A book seller. C: A writer. D: A reader.
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.
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
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
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.
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.
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 ; /
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 ; /