2015考研英语（一）试题及答案解析（下载版）

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　为方便广大考研学子更好的复习考研英语一，中公考研特整理2015考研英语（一）试题及答案解析并提供下载文档供考生参考，祝广大考生备考顺利！更多考研英语一试题、答案及解析请点击【历年考研试题答案解析专题】。
　　Section Ⅰ Use of English
　　Directions:
　　Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points)
　　Though not biologically related, friends are as "related" as fourth cousins, sharing about 1% of genes. That is 1 a study published from the University of California and Yale University in the Proceedings of the National Academy of Sciences, has 2 .
　　The study is a genome-wide analysis conducted 3 1932 unique subjects which 4 pairs of unrelated friends and unrelated strangers. The same people were used in both 5 .
　　While 1% may seem 6 , it is not so to a geneticist. As co-author of the study James Fowler, professor of medical genetics at UC San Diego says, "Most people do not even 7 their fourth cousins but somehow manage to select as friends the people who 8 our kin."
　　The team also developed a "friendship score" which can predict who will be your friend based on their genes.
　　The study 9 found that the genes for smell were something shared in friends but not genes for immunity. Why this similarity in smell genes is difficult to explain, for now. 10, as the team suggests, it draws us to similar environments but there is more 11 it. There could be many mechanisms working in tandem that 12 us in choosing genetically similar friends 13 than "functional kinship" of being friends with 14 !
　　One of the remarkable findings of the study was that the similar genes seem to be evolving 15 than other genes. Studying this could help 16 why human evolution picked pace in the last 30,000 years, with social environment being a major 17 factor.
　　The findings do not simply corroborate people's 18 to befriend those of similar 19 backgrounds, say the researchers. Though all the subjects were drawn from a population of European extraction, care was taken to 20 that all subjects, friends and strangers were taken from the same population. The team also controlled the data to check ancestry of subjects.
　　1.[A]what [B]how [C]why [D]when
　　2.[A]defended [B] concluded [C] withdrawn [D]advised
　　3.[A] for [B] with [C] by [D] on
　　4.[A] separated [B] sought [C] compared [D] connected
　　5. [A] tests [B] objects [C] samples [D] examples
　　6.[A] insignificant [B] unexpected [C] unreliable [D] incredible
　　7. [A] visit [B] miss [C] know [D] seek
　　8. [A] surpass [B] influence [C] favor [D] resemble
　　9. [A] again [B] also [C] instead [D] thus
　　10.[A] meanwhile [B] furthermore [C] likewise [D] perhaps
　　11.[A] about [B] to [C] from [D] like
　　12. [A] limit [B] observe [C] confuse [D] drive
　　13. [A] according to [B] rather than [C] regardless of [D] along with
　　14. [A] chances [B] responses [C] benefits [D] missions
　　15 [A] faster [B] slower [C] later [D] earlier
　　16[A] forecast [B] remember [C] express [D] understand
　　17 [A] unpredicted [B] contributory [C] controllable [D] disruptive
　　18[A] tendency [B] decision [C] arrangement [D] endeavor
　　19[A] political [B] religious [C] ethnic [D] economic
　　20[A] see [B] show [C] prove [D] tell
　　Section Ⅱ Reading Comprehension
　　Part A
　　Directions：
　　Read the following four texts. Answer the questions below each text by choosing A, B, C or D. Mark your answers on the ANSWER SHEET. (40 points)>>查看更多试题解析内容
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