2015年考研英语(一)真题+答案+分析
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 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)_!
”
One of the remarkable findings of the study was the similar genes seem 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 peoplethose of similar_(19)_backgrounds,
’s_(18)_to befriend
Though all
say the researchers.
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.
1. [A] when [B] why [C] how [D] what
2. [A] defended [B] concluded [C] withdrawn [D] advised
3. [A] for [B] with [C] on [D] by
4. [A] compared [B] sought [C] separated [D] connected
5. [A] tests [B] objects [C]samples [D] examples
6. [A] insignificant [B] unexpected [C]unbelievable [D] incredible
7. [A] visit [B] miss [C] seek [D] know
8. [A] resemble [B] influence [C] favor [D] surpass
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] drive [B] observe [C] confuse [D]limit
13. [A] according to [B] rather than [C] regardless of with
14. [A] chances [B]responses [C]missions [D]benefits
15. [A] later [B]slower [C] faster [D] earlier
16. [A]forecast [B]remember [C]understand [D]express
17. [A] unpredictable [B]contributory [C] controllable [D] disruptive
18. [A] endeavor [B]decision [C]arrangement [D] tendency
along [D]
考研英语真题答案分析
