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Unit 1 Achieving Effective Communication Reading A Digging in Listening, Viewing and Speaking Reading B Critical Thinking Writing Further Exploration Unit 2 Learning about Trade and Economy Reading A Digging in Listening, Viewing and Speaking Reading B Critical Thinking Writing Further Exploration Unit 3 Delving into History Reading A Digging in Listening, Viewing and Speaking Reading B Critical Thinking Writing Further Exploration Unit 4 Approaching Classics Reading A Digging in Listening, Viewing and Speaking Reading B Critical Thinking Writing Further Exploration
