A．signsB．signalsC．gesturesD．symbols

Science and technology cannot do without symbolic systems. Symbolic systems （).A. ar

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以下不是符号Symbol可选的类型的是（)。A.MovieClipB.ButtonC.EffectD.Graphic

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What does a car mean to a man, according to the passage？A．The symbol of power.B．The symbol

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【C10】A．visualsB．signalsC．numbersD．gestures

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What is the duality of the language？A．Letters and sounds.B．Sounds and symbols.C．Symbols an

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【C9】A．signsB．gesturesC．signalsD．marks

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Silicon Valley has been 【hailed】 as a symbol of c

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