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