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IP屬地：北京
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EiM-Unit 7 Peacemakers-ex. 1c
Unit 7,Exercise 1c. Listen and check. Alfred Nobel rests in peace People like Martin Lu...
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EIM4-Unit 7 Peacemakers-ex. 3b
Unit 7,Exercise 3b. Listen to an American teenager, Jackson, talking to his friend Oliv...