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    31．Trademarks are words.names,or symbols that identify the producer of a product and it from similar goods of others． A．defend B．protect C．distinguish D．break 【查看更多】

     

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    Trademarks are words，names；or symbols that identify the producer of a product and     it from similar goods of others．   

          A．defend                 B．protect                 C．distinguish              D．break

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