2. 外语
  3. While tributyltin (TBT) is generally not as (i)______as certain other toxic substances, studies of damaging effects on marine li

While tributyltin (TBT) is generally not as (i)______as certain other toxic substances, studies of damaging effects on marine li

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问题 While tributyltin (TBT) is generally not as (i)______as certain other toxic substances, studies of damaging effects on marine life show it is (ii)______to mollusk fisheries.
选项
答案C，E
解析 While说明前后反义重复；not取反。两空联动，同义重复；第一空与toxic(有毒的)同义重复。neutral中立的，controversial有争议的，dangerous危险的；essential必要的，devastating破坏的，attracted被吸引的。答案选CE。
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