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Textbook
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封面封面
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page 4
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page 5
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page 6
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page 7
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page 8
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page 9
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page 10
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page 11
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page 12
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page 13
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page 14
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page 15
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page 17
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page 18
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page 20
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page 21
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reading 2 comprehension questions
- Course Introduction
- Course Plan
- 評論