• 1. effective example: 有效的例证

• 1.This investigation reclaims in all effective example 3578, example is had in the netizen representative.
  此次调查共回收有效样本3578份，样本在网民中具有代表性。
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• 2.Choose one of the model essays provided and be prepared to defend it as an effective example of writing for a non-specialist audience.
  从所给的短文范例中选出一篇文章，并说明这篇文章是针对非专业读者的好文章。
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• 3.Studies have shown, for example, that two drugs are about equally effective in treating macular degeneration, an eye disease.
  例如，有一些研究表明，两种药物治疗黄斑变性这种眼病的效果差不多。
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