Unit9Technology
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Unit 9 Technology（精选2篇） unit 9 technologyperiod i listeninggoals:1)to know the expressions used to describe an object;2)to guess the objects described in the listening materials.
Unit 9 Technology（精选2篇） unit 9 technologyperiod i listeninggoals:1)to know the expressions used to describe an object;2)to guess the objects described in the listening materials.