全国硕士研究生招生考试英语试题完整版及参考答案 The document was prepared on January 2, 2021 2015 年全国硕士研究生入学统一考试英语一试题 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] onANSWER 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 NationalAcademy 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