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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)
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 be your friend based on their genes.
The study(9)_____found that the genes for smell were something shared in friends but not genes for immunity. Why this similarity in olfactory 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 in tandem that(12)_____ us in choosing genetically similar friends (13)_____than "functional kinship" of being friends with(14)_____!
One of the remarkable findings of the study was that the similar genes seem to be evolving(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 corroborate people's(18)_____to befriend those of similar(19)_____backgrounds, say the researchers. Though 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. The team also controlled the data to check ancestry of subjects.
1、_____
A.what
B.why
C.how
D.when
正确答案是:A
2、_____
A.defended
B.concluded
C.withdrawn
D.advised
正确答案是:B
3、_____
A.for
B.with
C.by
D.on
正确答案是:D
4、_____
A.separated
B.sought
C.compared
D.connected
正确答案是:C
5、_____
A.tests
B.objects
C.samples
D.examples
正确答案是:C
6、_____
A.insignificant
B.unexpected
C.unreliable
D.incredible
正确答案是:A
7、_____
A.visit
B.miss
C.know
D.seek
正确答案是:C
8、_____
A.surpass
B.influence
C.favor
D.resemble
正确答案是:D
9、_____
A.again
B.also
C.instead
D.thus
正确答案是:B
10、_____
A.Meanwhile
B.Furthermore
C.Likewise
D.Perhaps
正确答案是:D
11、_____
A.about
B.to
C.from
D.like
正确答案是:B
12、_____
A.limit
B.observe
C.confuse
D.drive
正确答案是:D
13、_____
A.according to
B.rather than
C.regardless of
D.along with
正确答案是:B
14、_____
A.chances
B.responses
C.benefits
D.missions
正确答案是:C
15、_____
A.faster
B.slower
C.later
D.earlier
正确答案是:A
16、_____
A.forecast
B.remember
C.express
D.understand
正确答案是:D
17、_____
A.unpredictable
B.contributory
C.controllable
D.disruptive
正确答案是:B
18、_____
A.tendency
B.decision
C.arrangement
D.endeavor
正确答案是:A
19、_____
A.political
B.religious
C.ethnic
D.economic
正确答案是:C
20、_____
A.see
B.show
C.prove
D.tell
正确答案是:A
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