网站首页 留学 移民 外语考试 英语词汇 法语词汇 旧版资料
| 标题 | 考研英语真题及答案 |
| 内容 |
出国留学网考研网为大家提供了考研英语历年真题及答案，希望大家愉快备考。 Section I 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.(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 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 8 our kin.” The study 9 found that the genes for small were something shared in friends but not genes for immunity. Why this similarity exists in smell genes is difficult to explain, for now, 10 , as the team suggests, it draws us to similar environments but there is more 11 it. There could be many mechanisms working together that 12 us in choosing genetically similar friends 13 “functional Kinship” of being friends with 14 ! One of the remarkable findings of the study was the similar genes to be evolution 15 than other genes. Studying this could help 16 why human evolution picked pace in the last 30,000 years, with social environment being a major 17 factor. The findings do not simply explain people’s 18 to be friend those of similar 19 backgrounds, say the researchers. Though all the subjects were drawn from a population of European extraction, care taken to 20 that all subjects, friends and strangers, were taken from the same population. 1、 [A]what [B]why [C]how [D]when 2、 [A]defended [B]concluded [C]withdrawn [D] advised 3、 [A]for [B]with [C]by [D]on 4、 [A]separated [B]sought [C]compared [D] connected 5 、[A]tests [B] objects [C]samples [D]examples 6、 [A]Insignificant [B]unexpected [C] unreliable [D]incredible 7、 [A]visit [B]miss [C] know [D] seek 8、 [A]surpass [B] influence [C] favor [D]resemble 9、 [A]again [B] also [C]instead [D]thus 10、[A] Meanwhile [ B]Furthermore [C] Likewise [D]Perhaps 11、[A] about [ B] to [C] from [D]like 12、[A] limit [ B] observe [C] confuse [D]drive 13、[A] according to [ B] rather than [C] regardless of [D]along with 14、[A]chances [ B]responses [C]benefits [D]missions 15、[A] faster [ B]slower [C] later [D]earlier 16、[A] forecast [ B] remember [C] express [D]disruptive 17、[A] unpredictable [ B] contributory [C] controllable [D]disruptive 18、[A] tendency [ B] decision [C]arrangement [D]endeavor 19、[A] political [ B]religious [C] ethnic [D]economic 20、[A] see [ B]show [C] prove [D]tell 真题参考答案 1、What 2、Concluded 3、On 4、Compared 5、Samples 6、Insignificant 7、know 8、resemble 9、also 10、Perhaps 11、to 12、drive 13、rather than 14、benefits 15、faster 16、understand 17、contributory 18、tendency 19、Ethnic 20、see |
| 随便看 |
|
出国留学网为出国留学人员提供留学、移民、外语考试等出国知识，帮助用户化解出国留学过程中的各种疑难问题。