Section 1 Use of English
Directions:Readthe following text. Choose the best word(s) for each numbered blank andmark [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 co-author of the study 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 team also developed a "friendship score" which can predict who will