上冊 Unit l New Journey at College Unit 2 Secrets to Success Unit 3 Improving Lives Unit 4 TrustMakes Miracles Unit 5 Beyond Eanh Unit 6 The Voice of Nature Appendix：Listening Scripts 下冊 Unit l He That Travels Far Knows Much Unit 2 Failure Is not Fatal Unit 3 From the Past to the Future Unit 4 Live Through a Pandemic Unit 5 Science Makes Sense Unit 6 The Echo of Nature Appendix：Listening Scripts
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