百分百英语›考研英语完形填空真题库›2015年英语一 完形填空
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) 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 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 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) ! The study (15) found that the similar genes seem to be evolving (16) than other genes. Studying this could help (17) why human evolution picked pace in the last 30,000 years, with social environment being a major (18) factor. The findings do not simply explain people's (19) to befriend those of similar (20) backgrounds, say the researchers. Though all the subjects were drawn from a population of European extraction, care was taken to that all subjects, friends and strangers, were taken from the same population.
答案速查:1.D 2.B 3.C 4.A 5.C 6.A 7.D 8.A 9.B 10.D 11.B 12.A 13.B 14.D 15.C 16.C 17.B 18.D 19.C 20.A
1. 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)__.
答案:D
2. 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)__.
答案:B
3. The study is a genome-wide analysis conducted __(3)__ 1,932 unique subjects which __(4)__ pairs of unrelated friends and unrelated strangers.
答案:C
4. The study is a genome-wide analysis conducted __(3)__ 1,932 unique subjects which __(4)__ pairs of unrelated friends and unrelated strangers.
答案:A
5. The same people were used in both __(5)__.
答案:C
6. While 1% may seem __(6)__, it is not so to a geneticist.
答案:A
7. 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."
答案:D
8. 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."
答案:A
9. The study __(9)__ found that the genes for smell were something shared in friends but not genes for immunity.
答案:B
10. 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.
答案:D
11. 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.
答案:B
12. There could be many mechanisms working together that __(12)__ us in choosing genetically similar friends __(13)__ "functional kinship" of being friends with __(14)__!
答案:A
13. There could be many mechanisms working together that __(12)__ us in choosing genetically similar friends __(13)__ "functional kinship" of being friends with __(14)__!
答案:B
14. There could be many mechanisms working together that __(12)__ us in choosing genetically similar friends __(13)__ "functional kinship" of being friends with __(14)__!
答案:D
15. The study __(15)__ found that the similar genes seem to be evolving __(16)__ than other genes.
答案:C
16. Studying this could help __(16)__ why human evolution picked pace in the last 30,000 years, with social environment being a major __(17)__ factor.
答案:C
17. Studying this could help __(16)__ why human evolution picked pace in the last 30,000 years, with social environment being a major __(17)__ factor.
答案:B
18. The findings do not simply explain people's __(18)__ to befriend those of similar __(19)__ backgrounds, say the researchers.
答案:D
19. The findings do not simply explain people's __(18)__ to befriend those of similar __(19)__ backgrounds, say the researchers.
答案:C
20. Though all the subjects were drawn from a population of European extraction, care was taken to __(21)__ that all subjects, friends and strangers, were taken from the same population.
答案:A