Zoological parks in many cities export birds from many lands and are a source of recreatio
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Zoological parks in many cities export birds from many lands and are a source of recreation for millions of people each year.
此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
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正确答案：export-import
考查动词。此句应该是说从其他地方引进鸟类，动物园原来不可能有各种鸟。export不跟from搭配，与to搭配。应改为import，import才与from搭配。