2. 外语
  3. The biggest oil spill happened in 1989. Some oil escaped out to sea will finally break down and form tar balls.

The biggest oil spill happened in 1989. Some oil escaped out to sea will finally break down and form tar balls.

admin2009-04-23  70
问题 The biggest oil spill happened in 1989.
Some oil escaped out to sea will finally break down and form tar balls.
选项 A、Y
B、N
C、NG
答案A
解析 在第六段可以找到相关的细节。
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大学英语四级

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