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  3. Though managers of commercial shellfish beds in many countries monitor the prese

Though managers of commercial shellfish beds in many countries monitor the prese

游客2025-02-22  17
问题 Though managers of commercial shellfish beds in many countries monitor the presence of pollutants using mice, this method is ethically______and too expensive for many developing countries, small operations or amateur fishermen.
选项 A、lucid
B、inchoate
C、pessimistic
D、preemptive
E、contentious
答案 E
解析
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