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Although scientific progress leads to constant revision of ideas, one observatio
Although scientific progress leads to constant revision of ideas, one observatio
游客
2024-01-10
60
管理
问题
Although scientific progress leads to constant revision of ideas, one observation that has remained ________ over the years is that there are a lot of insects in the world: some 950,000 species have been identified.
A. robust
B. significant
C. strong
D. perplexing
E. confounding
F. obscure
选项
答案
A,C
解析
-方程等号:although,反义重复。
-强词和对应:主句中说一个观察多年来保持空格,although部分说科学的进步导致观点的持续变化,强词是revision修订,指向空格,根据although反义重复,空格应填入一个表示“不变”含义的词。选项里有两组同义词,第一组是robust与strong确定不变的,第二组是perplexing与confounding令人困惑的,所以答案选择AC。其他选项,significant重要的,obscure难懂的。
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