2020年备考研究生英语基础试题6

>>考研模拟题：2020年备考研究生英语基础试题6

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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 the ANSWER SHEET. (10 points)

①Though not biologically related, friends are as “related” as fourth cousins, sharing about 1% of genes. ②That is 1 a study, published from the University of California and Yale University in the Proceedings of the National Academy of Sciences, has 2 .

①The study is a genome-wide analysis conducted 3 1,932 unique subjects which 4 pairs of unrelated friends and unrelated strangers. ②The same people were used in both 5 .

①While 1% may seem 6 , it is not so to a geneticist. ②As 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.”

①The study 9 found that the genes for smell were something shared in friends but not genes for immunity. ②Why this similarity exists in smell genes is difficult to explain, for now. ③ 10 , as the team suggests, it draws us to similar environments but there is more 11 it. ④There could be many mechanisms working together that 12 us in choosing genetically similar friends 13 “functional kinship” of being friends with 14 !

①One of the remarkable findings of the study was that the similar genes seem to be evolving 15 than other genes. ②Studying this could help 16 why human evolution picked pace in the last 30,000 years, with social environment being a major 17 factor.

①The findings do not simply explain people’s 18 to befriend those of similar 19 backgrounds, say the researchers. ②Though all the subjects were drawn from a population of European extraction, care was taken to 20 that all subjects, friends and strangers were taken from the same population. ③The team also controlled the data to check ancestry of subjects.

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2.[A] defended [B] concluded [C] withdrawn [D] advised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] understand

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

【答案】

Section Ⅰ Use of English (10 points)

1. A 2. B 3. D 4. C 5. C 6. A 7. C 8. D 9. B 10. D

11. B 12. D 13. B 14. C 15. A 16. D 17. B 18. A 19. C 20. A

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