The author cites the example of Mark Twain to show that Dr. Vink’s results must be interpreted with care because

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问题 The author cites the example of Mark Twain to show that
Dr. Vink’s results must be interpreted with care because

选项 A、it may have negative effects on related studies.
B、it is unreliable so far.
C、it may provide an excuse for nicotine addicts.
D、it could undermine the anti-smoking movement.

答案B

解析 本题问为什么须慎重对待Dr.Vink的研究成果。末段"Association studies...have a disturbing habit of disappearing,as it were,in a puff of smoke when someone tries to replicate them,"可知类似的研究可重复性不稳定,也就是说这个实验目前也没有充分的证据。因此"至今仍不可靠"正确。会对相关实验产生负面影响:文中只说相关实验可重复性不稳定,而没有说此实验会影响相关实验。会给瘾君子以吸烟的借口;会削弱戒烟运动:Dr. Vink研究的成果很可能给瘾君子以借口从而破坏戒烟,但原文强调的不是因为结果可能带来的影响,而是结果本身的可靠性问题。
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