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Although other nations contributed to North Sea pollution, much of the contamina
Although other nations contributed to North Sea pollution, much of the contamina
游客
2025-01-19
18
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问题
Although other nations contributed to North Sea pollution, much of the contamination was
traced
back to Britain.
选项
A、tracked
B、marked
C、traversed
D、dated
答案
A
解析
词义辨析。根据上下文,题干大意为“追溯源流”,D选项最易混淆,注意date back to是动词短语,替换部分之前有be,若选择,则词形有误。
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