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2024年1月5日发(作者：java数组转set)
考研英语一完型填空专项强化真题试卷10
(题后含答案及解析)
题型有：1.
Though not biologically related, friends are as “related” as fourth cousins,
sharing about 1% of genes. That is【B1】______1 a study, published from the
University of California and Yale University in the Proceedings of the National
Academy of Sciences, has【B2】______ The study is a genome-wide analysis
conducted【B3】______1, 932 unique subjects which【B4】______pairs of unrelated
friends and unrelated strangers. The same people were used in both【B5】______
While 1 % may seem【B6】______, it is not so to a geneticist. As James Fowler,
professor of medical genetics at UC San Diego, says,”Most people do not even【B7】______their fourth cousins but somehow manage to select as friends the people who【B8】______our kin.” The study【B9】______found that the genes for smell were
something shared in friends but not genes for immunity. Why this similarity exists in
smell genes is difficult to explain, for now. 【B10】______, as the team suggests,it
draws us to similar environments but there is more【B11】______it. There could be
many mechanisms working together that【B12】______us in choosing genetically
similar friends【B13】______”functional kinship” of being friends with【B14】______!
One of the remarkable findings of the study was that the similar genes seem to be
evolving 【B15】______than other genes. Studying this could help【B16】______why
human evolution picked pace in the last 30,000 years, with social environment being a
major【B17】______factor. The findings do not simply explain people’s【B18】______to befriend those of similar【B19】______backgrounds, say the researchers.
Though all the subjects were drawn from a population of European extraction, care
was taken to【B20】______that all subjects, friends and strangers, were taken from the
same population.
1． 【B1】
A．when
B．why
C．how
D．what
正确答案：D
解析：本题考查特殊疑问词用法。文章首句点明此选段主要内容，指出“即便没有血缘关系，朋友之间就像第四代表亲一样，约有1％的基因相同。”该题的选项全是特殊疑问词，when通常用来询问时间；why用来提问“为什么”；how则是询问“……怎么样”。在本题复合句中，what做关联词引导疑问分句，并且在句子中担任宾语，表示“研究得出的结果”。
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