2. 外语
  3. Many of the unusual behaviors attributed to crows – such as drinking coffee or presenting gifts to people who feed them – are ba

Many of the unusual behaviors attributed to crows – such as drinking coffee or presenting gifts to people who feed them – are ba

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问题 Many of the unusual behaviors attributed to crows – such as drinking coffee or presenting gifts to people who feed them – are based on (i)________and therefore fall into the category of (ii)________ rather than science.
Blank (i)                 Blank (ii)
A. long-term observation  D. anecdote
B. controlled experiments E. speculation
C. secondhand testimony   F. hypothesis
选项
答案C,D
解析 句子说：许多关于乌鸦的不寻常行为的描述是基于(i)________，因此属于(ii)________的范畴而非科学。空格(i)和空格(ii)所在的句子为因果关系，因此空格(ii)与空格(i)同义对应。同时，注意空格(ii)后面有rather than，因此空格(ii)与rather than后面的science反义对应。综上，空格(i)和空格(ii)同义对应，并且都与science反义对应。先做空格(i)，A项long-term observations(长时期观察)和B controlled experiments(控制变量试验)都属于科学的研究方法，与科学同义对应，不选；因此，只能选C项secondhand testimony(道听途说)。空格(ii)与空格(i)对应，即与secondhand testimony对应，因此选D项anecdote(趣闻轶事)。
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