• 2021-04-14
    the background is used to hook the reader.
  • 正确

    内容

    • 0

      以下语句从__个表中进行查询。(填数字)SELECT Reader. *,ReaderType.* FROM Reader, ReaderType where Reader.TypeID=ReaderType.TypeID

    • 1

      以下语句除了查询满足条件的记录,还显示()表的所有记录。SELECT Reader.*,Borrow.ReaderIDFROM Reader LEFT OUTER JOIN Borrow ON Reader.ReaderID=Borrow.ReaderID A: Reader B: Borrow C: book

    • 2

      In the body part, _________ are used to make the reader focus on important points.

    • 3

      If the reader's name is unknown, ________________ can be used as the complimentary close.

    • 4

      What is the writer’s main purpose?. A: To amuse the reader. B: To inform the reader about Laurel and Hardy. C: To express his opinion about Laurel and Hardy.