2. 外语
  3. In the beginning of paragraph one we are told that scientists can not agree ______. Plomin’s IQ-gene study is similar to the ch

In the beginning of paragraph one we are told that scientists can not agree ______. Plomin’s IQ-gene study is similar to the ch

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问题 In the beginning of paragraph one we are told that scientists can not agree ______.
Plomin’s IQ-gene study is similar to the chopsticks gene finding in that ______.
选项 A、there may not be a causal link between gene and intelligence
B、there is a close correlation between gene and’ intelligence
C、there may be a close relation between chopsticks flexibility and children’s academic score
D、there is not a close relation between chopsticks flexibility and children’s academic score
答案A
解析 利用题干中的特征结构Plomin’s IQ-gene和chopsticks gene作为答案线索，注意到备选项中A和B是正反项，C和D足正反项，而且备选项主要分别涉及gene和intelligence之间的关系，flexibility和children’s academic score之间的关系，因此考虑用这些词共同作为答案线索词，这样找到答案相关句： Some geneticists see major problems with the IQ-gene study．One is the possibility that Plomin’s group fell for“chopsticks fallacy”（这两个划线句说“一些基因学家发现智向基因研究有很大的问题。一种可能性是 Plomin研究小组犯了‘筷子谬误’。”这两个句子的内容揭示“IQ-gene研究”和chopsticks gene研究结果都存在问题。但是只借助这两个句子的内容还不能肯定地选择出答案来，所以还需要看下文，这样看起来可能涉及问题的相关句似乎有很多(包括黑体词的句子)，所以“避重就轻”尝试找出这个段落中的主题句(观点句) Geneticists might think they’ve found a gene for chopsticks flexibility, but all they’ve really found is a gene  more common in Asians than, say, Africans. Similarly, Plomin’s IQ gene might simolty be one that is more common in groups that emphasize academic achievement....And Neil Risch of Stanford University points out that if you look for smarter kids, that might reflect pure chance rather than a causal link between the gene and intelligence. Warns Feinberg, "I would take these findings with a whole box of salt."
    结果在文章最后部分看到专家Neff Risch指出“……那也许纯属于偶然，而不反映基因与智力之间的因果关系”，而后紧接着在段落的最后一句中专家Feinbe警告说“我对实验的结果持很大的怀疑态度”，综合上面的内容不难推测出这样的结论——lomin’s IQ-gene和chopsticks gene之所以错误，可能就是错在认为“基因与智力之间有因果关系”，这是它们错的地方，也是它们的共同之处，因此A是正碗答案。
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