精选优质文档-倾情为你奉上Section I 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.(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 un
