• 2021-04-14
    A symbol means using concrete objects to represent abstract ideas.
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      Every instance of an abstract type is an instance of some concrete subtype.

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      65. A look-out should report objects sighted using ______.

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      when your ideas have filled the chart, you should( ) ideas.

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      Human mind can respond quickly to what is before it, and by the same token can call up from within a host of appropriate ideas. A: as a similar symbol B: for the same reason C: at the same time D: by the same means

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      Speeches about concepts are more abstract than objects, events and processes.