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1According to the text, starry flounder differ form most other species of flatfish in that starry flounder A.are not basically bilaterally symmetricB.do not become asymmetric until adulthoodC.do not all share the same asymmetryD.have both eyes on the same side of the head 参考答案： C 这是一道细节推导题。根据本题题干中的“most other species”可以把本题的答案信息来源确定在第一段的第三句，从第三句的主从句中可以归纳推导出本题的正确答案C。本句中的“while”一词的含义是“虽然、尽管”，用来表达事物之间的对照对比。考生在解题时一定要首先学会审题定位的基本功。----------------------------------------2Which of the following best describes the organization of the text as a whole? A.A phenomenon is described and an interpretation presented and rejectedB.A generalization is made and supporting evidence is supplied and weighedC.A contradiction is noted and a resolution is suggested and then modifiedD.A series of observations is presented and explained in terms of the dominant theory 参考答案： A 这是一道文章具体写作手法题。这是一道比较难的题型，需要考生对文章的叙述结构有深刻的理解。本文第一段介绍了一种现象，第二段和第三段是生物学家对这种现象的解释，第四段是本文作者对生物学家的解释提出否定。可见本题的正确选项是A。考生在解题时一定要注意文章的发展脉络。----------------------------------------3The text supplies information for answering which of the following questions? A.Why are Japanese starry flounder mostly left-eyed?B.Why should the eye-sidedness in starry flounder be considered selectively neutral?C.Why have biologists recently become interested in whether a characteristic is adaptive or selectively neutral?D.How do the eyes in flatfish migrate? 参考答案： B 本题是一道审题定位题型。本题的题干没有具体给出寻找答案信息的任何线索。在这种情况下考生一定要牢记原文作者的主要意图。具体来说，本文作者的主要意图是要否定一些生物学家对某种生物现象的解释。相关的内容出现在原文第四段的首句。如果考生能够认识到原文第四段首句在全文中的重要性，就找到了破解本题的方法，再把第三段的尾句和第四段的第二、三句通读并且仔细理解就会找出本题的正确答案B。当然这是一道比较难的题目，需要考生良好的答题素质。希望考生在迷失答题思路的时候，一定要多想一想从原文的中心主旨句和每段的段首句设
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