_____ environmental damage is done, it takes many years for the ecosystem (生态系统) - 高中英语试题 - 超级试练试题库

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题型：江苏高考真题难度：来源：

_____ environmental damage is done, it takes many years for the ecosystem (生态系统) to recover.A. Even if
B. If only
C. While
D. Once

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试题【_____ environmental damage is done, it takes many years for the ecosystem (生态系统)】；主要考察你对连词等知识点的理解。[详细]

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