1
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Culture Corner 1. Ex. 3, p. 21
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5 位听众
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2
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Unit 1b. Ex. 4b, p. 12
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5 位听众
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3
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Unit 1b. Ex. 6, p. 13
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4 位听众
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4
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Unit 1d. Ex. 3a, p. 16
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4 位听众
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5
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Unit 1a. Ex. 2, p. 10
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2 位听众
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6
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Unit 1b. Ex. 8a, p. 13
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2 位听众
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7
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Unit 1b. Ex. 9, p. 13
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2 位听众
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8
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Unit 1e. Ex.1, p.18
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2 位听众
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9
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Unit 1e. Ex. 2, p. 18
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2 位听众
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10
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Across the Curriculum. Ex. 7a, p. 23
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1 位听众
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11
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Across the Curriculum. Ex. 2, p. 22
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1 位听众
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