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按常理，鸭子长得越快鸭赚钱。但在湖北云梦、京山等地，一些鸭农却养起了“慢生鸭”。在自然环境捕食，辅之以麦麸、玉米、谷糠和青饲料，这样养的鸭比用有添加剂的浓缩饲料喂养的晚2个多月才能出栏，但肉质好，价格高，成为更有赚头的绿色食品。完成下列问题。。 小题1:“慢生鸭”饲养者在利于消费者健康前提下获取高利润的做法，体现了可持续发展的（    ） A．公平性原则 B．持续性原则 C．共同性原则 D．公正性原则 小题2:为了生产“绿色食品”，下列措施中合理的是（    ） ①使用有剧毒的农药防治病虫害  ②引进抗病虫害的优良品种 ③在面粉中添加增白剂、防腐剂  ④利用作物害虫的天敌防治虫害等 A．①② B．②④ C．①③ D．③④
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