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Consider the following:Which statement best describes the meaning of the value for the key_len column?()A.It shows the total size of the index rowB.It shows how many columns in the index are examinedC.It shows the number of characters indexed in the keyD.

题目
Consider the following:Which statement best describes the meaning of the value for the key_len column?()

A.It shows the total size of the index row

B.It shows how many columns in the index are examined

C.It shows the number of characters indexed in the key

D.It shows how many bytes will be used from each index row

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  • 第1题：

    You’re going to have a quiz ( )by another two in the ( )month.

    A. followed,followed

    B. followed,following

    C. following,followed

    D. following,following


    参考答案：B

  • 第2题：

    This poem depicts the beautiful scenery of a town in the South.

    A: praises
    B: writes
    C: imitates
    D: describes

    答案：D
    解析：
    句意为：这首诗描写的是南方一个小城镇的美景。depict和describe是同义词，都是“描写”的意思，praise意为“表扬、赞美” ; imitate意为“模仿”。

  • 第3题：

    She read a poem which depicts the splendor of the sunset.

    A:declares
    B:asserts
    C:announces
    D:describes

    答案：D
    解析：
    本句意思：她读了一首描绘落日壮观景象的诗。depict描绘，描画。describe描写；de- clare宣告；assert断言；announce宣布，发表。

  • 第4题：

    People()foxes()clever but sly animals.

    A. consider…to be

    B. consider…as

    C. Consider…X


    参考答案：B

  • 第5题：

    （ ） describes，in detail，the project’s deliverables and the work required to create those deliverables.

    A.Product scope description
    B.Project objectives
    C.Stakeholder Analysis
    D.The project scope statement

    答案：D
    解析：
    项目范围说明书详细描述项目的可交付成果和为了提交这些可交付成果而必须开展的工作。（72） A．产品范围说明书 B．项目目标 C．干系人分析 D．项目范围说明说

  • 第6题：

    设置多列布局的属性值为（）。

    A．columns-width

    B．column-count

    C．column-gap

    D．column-rule


    A 解析：Columns属性返回或设置一个值，以决定控件是水平还是垂直滚动以及如何显示列中的项目。Columns属性值为0时，控件为垂直滚动；Columns属性等于1时，则列表框呈多行多列显示： Columns属性值大于1时，为水平滚动，Columns属性值的数量决定在控件中的可见宽度内显示列的数量。Columns属性用来确定列表框的列数。

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