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英语网考研频道发布英语真题及答案解析，并对考研英语真题、考研英语作文、考研英语阅读、考研英语翻译及考研英语完型、考研英语最新资讯进行信息发布和点评，欢迎大家进入【2015年考研真题解析】查看! 2015考研英语真题答案解析英语一真题|答案阅读作文完型翻译英语二真题|答案阅读作文完型翻译历年真题点评热点辅导更多 Directions: Read the following text. Choose the best word(s)for each numbered blank and mark A，B，C or D on 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 Sciences, has 2 . The study is a genome-wide analysis conducted 3 1,932 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 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 8 our kin. | 
