2. 外语
  3. Though managers of commercial shellfish beds in many countries monitor the presence of pollutants using mice, this method is eth

Though managers of commercial shellfish beds in many countries monitor the presence of pollutants using mice, this method is eth

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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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