It is believed that the tradition of having a pine tree as a Christmas Tree comes from Germany.()

题目

It is believed that the tradition of having a pine tree as a Christmas Tree comes from Germany.()


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  • 第1题:

    在考生文件夹中为HILL文件夹中的TREE.exe文件建立名为TREE的快捷方式。


    正确答案:略

  • 第2题:

    WhichtreeofthesearetypesofEthernetVirtueConnections(EVCs)intheMEFconcept?()

    A.multipart-to-multipointEVC(E-LAN)

    B.hubspokeEVC(E-Tree)

    C.pointtopointEVC(E-Line)

    D.rootedmultipointEVC(E-Tree)

    E.point-to-multipointEVC(E-Tree)


    参考答案:A, C, D

  • 第3题:

    tree.add(6); tree.add(1); tree.add(1); 则遍历树集tree之后,可以输出1,1,6。()


    FEDCBA

  • 第4题:

    考虑如下代码:

    class Tree{}

    class Pine extends Tree{}

    class Oak extends Tree{}

    public class Forest {

    public static void main( String[] args ) {

    Tree tree = new Pine();

    if( tree instanceof Pine )

    System.out.println( "Pine" );

    if( tree instanceof Tree )

    System.out.println( "Tree" );

    if( tree instanceof Oak )

    System.out.println( "Oak" );

    else

    System.out.println( "Oops" );

    }

    }

    则输出结果中有哪些?

    A.Pine B.Tree C.Forest D.Oops E.无输出


    正确答案:ABD

  • 第5题:

    WhichthreeofthesearetypesofEthernetVirtualConnections(EVCs)intheMEFconcept?()

    A.rootedmultipointEVC(E-Tree)

    B.point-to-pointEVC(E-Line)

    C.point-to-multipointEVC(E-Tree)

    D.hubspokeEVC(E-Tree)

    E.multipoint-to-multipointEVC(E-LAN)


    参考答案:A, B, E

  • 第6题:

    1、tree.add(6); tree.add(1); tree.add(1); 则遍历树集tree之后,可以输出1,1,6。()


    D 解析: 这一题通过语法就可选出是every,因为后面连接的词是单数,故选D。