2015年全国硕士研究生招生测验英语(一)试题(完整版)及参考答案
———————————————————————————————— 作者： ———————————————————————————————— 日期：
2015 年全国硕士研究生入学统一考试英语一试题
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 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
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 study 9 found that the genes for smell were something shared in friends but not genes for immunity. Why
this similarity in olfactory genes is difficult to explain, for now. 10 Perhaps, 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 nal kinship of being friends with 14 !One of the remarkable
2015年全国硕士研究生招生测验英语(一)试题(完整版)及参考答案
