The biggest oil spill happened in 1989. The pollution caused by oil spills can have long-lasting effects on the animals or bird

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问题 The biggest oil spill happened in 1989.
The pollution caused by oil spills can have long-lasting effects on the animals or birds once it gets into the food web.

选项 A、Y
B、N
C、NG

答案A

解析 在第九段可以找到相关的细节。
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