Now you'll hear the two long conversations． Conversation One
























31. What is the great advantage of robots over hu-man workers?




never left the comfort of Memphis, always keeping close to his roots, remembering thepeople and the places from which he came.

模拟试题：2012年12月英语四级考试预测试题及答案汇总

真题答案：2012年6月英语四级考试真题　答案

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