2015 考研英语一真题及答案
               Section 1 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 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 anal ...