精选优质文档-倾情为你奉上2015年考研英语一真题Section 1 Use of EnglishDirections: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (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 an