更多“The depth of the ship below the waterline measured vertically to the lowest part of the hu ”相关问题
  • 第1题:

    Given the following DDL for the PARTS table:CREATE TABLE parts (part_no INT(9) NOT NULL, part_name VARCHAR(24), part_remain INT(9));All part numbers entered will be different and all rows should be displayed in order of increasing part numbers whenever the table is queried. Which of the following create index statements will meet this criteria and require the least amount of storage for the index object?()

    A.CREATE UNIQUE INDEX idx_partno ON parts(part_no)

    B.CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC)

    C.CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC)

    D.CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)


    参考答案:A

  • 第2题:

    The school advisers help you talk through your problem but they don’t give you any direct ______.

    A. solution

    B. target

    C. measure

    D. function


    正确答案:A
    解析:本题考查名词辨析。分析四个选项:solution解决方法;target目标;measure措施;function功能。根据句意:学校的建议者们帮助你分析问题,但是他们不会给你直接的解决方法。

  • 第3题:

    In the 1970s Britain maintained the()growth rate and the()inflation rate among the developed countries.

    Alowest/lowest

    Bhighest/highest

    Clowest/highest

    Dhighest/lowest


    C

  • 第4题:

    若vehicle=['train','bus','car','ship'],则vehicle[1]是什么?

    A.train

    B.bus

    C.car

    D.ship


    正确答案:B

  • 第5题:

    A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the ______.

    A.distress position

    B.spoken words “Mayday, Mayday, Mayday”

    C.ship’s name

    D.ship’s call letters


    正确答案:B
    船舶遇险通过无线电话发送两个占线信号后直接用口头说Mayday,maydaymayday

  • 第6题:

    3.钻孔深度(Depth)选择什么合理?


    B