2015考研英语（一）试题及答案解析（下载版）
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.
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3. for with by on
4. separated sought compared connected
5. tests objects samples examples
6. insignificant unexpected unreliable incredible
7. visit miss know seek
8. surpass influence favor resemble
9. again also instead thus
10. meanwhile furthermore likewise perhaps
11. about to from like
12. limit observe confuse drive
13. according to rather than regardless of along with
14. chances responses benefits missions
15 faster slower later earlier
16 forecast remember express understand
17 unpredicted contributory controllable disruptive
18 tendency decision arrangement endeavor
19 political religious ethnic economic
20 see show prove 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
【2015考研英语（一）试题及答案解析立即下载>>】
历年考研各科试题答案及解析
公共课
考研政治
考研英语
考研数学
考研日语-公共日语 二外日语
管理类联考
经济类联考
专业课
心理学
教育学
经济学
计算机
管理学
历史学
法学
农学
艺术类
新闻传播学
新闻传播
翻译硕士
金融硕士
中医综合
西医综合
会计硕士
艺术硕士
以上是中公小编整理的2015考研英语（一）试题及答案解析（下载版），更多考研公共课备考资料可查看考研数学频道、考研政治频道、考研英语频道、联考综合频道。
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