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题目内容
If one could don magic spectacles-with lenses that make the murky depths of the ocean become transparent-and look back several centuries to an age before widespread abuse of the oceans began, even the most (i)_____ observer would quickly discover that fish were formerly much more abundant. Likewise,many now-depleted species of marine mammals would appear (ii)_____. But without such special glasses, the differences between past and present oceans are indeed hard to (iii)_____.
- Blank(i)
- casual
- prescient
- clearheaded
- Blank(ii)
- threatened
- plentiful
- unfamiliar
- Blank(iii)
- ignore
- discern
- dismiss
casual , plentiful , discern 显示答案
以上解析由 考满分老师提供。