前言 Unit 1 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 2 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 3 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 4 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 5 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 6 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 7 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 8 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 9 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D：Practical Skills Unit 10 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D ：Practical Skills Unit 11 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D ：Practical Skills Unit 12 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D ：Practical Skills Unit 13 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D ：Practical Skills Unit 14 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D ：Practical Skills Unit 15 Part A：Listening Comprehension Part B：Main Article Part C：Supplementary Reading Part D ：Practical Skills AppendixⅠ Tapescripts AppendixⅡ Key to Exercises
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