• 2022-06-05
    Which of the following is not a common optical cable structure?
    A: Layer twist type
    B: Center beam tube type
    C: Honeycomb type
    D: Ribbon type
  • C

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      Which following is the type of carriage? ( )

    • 1

      Which of the following does not belong to the pottery type of the<br/>Yangshao Culture? ( ) A: Miaofugou type pottery B: Grey pottery C: Banpo type pottery D: Majiayao type pottery

    • 2

      Which is used to store and process a set of values, all of the same data type, that forms a logical group? A: data structure B: array C: primitive data type D: atomic data type

    • 3

      Which of the following postures can help improve balance control? A: One leg downward dog type B: Back front extension type C: Mountain type D: Double boat type

    • 4

      The common ventilation methods of working face are type , Z type, Y type, H type and so on.