| nit 1 Treasured Memory Text A Text B Skills Key to Exercises 参考译文 Unit 2 Back to Nature Text A Text B Skills Key to Exercises 参考译文 Unit 3 Coping with a Crisis Text A Text B Skills Key to Exercises 参考译文 Unit 4 Social Responsibility Text A Text B Skills Key to Exercises 参考译文 Unit 5 Lifetime Gift Text A Text B Skills Key to Exercises 参考译文 Unit 6 Technology and People Text A Text B Skills Key to Exercises 参考译文 Unit 7 Qualities of Leaders Text A Text B Skills Key to Exercises 参考译文 Unit 8 Looking for W0rk Text A Text B Skills Key to Exercises 参考译文 |
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