2016-2017学年 外研版 选修6 Module5 Cloning language points课件 (2)
2016-2017学年 外研版 选修6 Module5 Cloning  language points课件 (2)第2页

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Goals for reading: To describe the following items in English: DNA cloning clone 2 To explain reasons as well as vices and virtues in a proper way.