A．metalB．massC．materialD．model

That beautiful girl is a fashion model.（英译中)

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She is a model student.（英译中)

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【C6】A．adequateB．profitableC．materialD．spiritual

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【C4】A．directionB．guideC．symbolD．model

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Which systems development life cycle models include two parts of other models？A.Rapid

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Why the waterfall model simplifies task scheduling？A.The model involves the client or en

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The Unified Modeling Language is a standard graphical language for modeling object－orient

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