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2014研究生考试将于1月4、5、6日举行，届时新东方网考研频道会在考后第一时间公布2014年考研真题答案及解析，并邀请北京新东方考研名师团队进行考后试题解析，请同学们密切关注新东方网考研频道。（新浪微博@新东方网考研了解最新消息）
Crying is hardly an activity encouraged by society. Tears, be they of
sorrow, anger, on joy, typically make Americans feel uncomforuble and
embarrassed. The shedder of tears is likely to apologize, even when a
devastating (毁灭性的) tragedy was the provocation. The observer of tears is likely
to do everything possible to put an end to the emotional outpouring. But judging
form recent studies of crying behavior, links between illness and crying and the
chemical composition of tears, both those responses to tears are often
inappropriate and may even be counterproductive.
Humans are the only animals definitely known to shed emotional tears. Since
evolution has given rise to few, if any, purposeless physiological responset, it
is logical to assume that crying has one or more functions that enhance
survival.
Although some observers have suggested that crying is a way to clicit
assistance form others (as a crying baby might from its mother), the shedding of
tears is hardly necessary to get help. Vocal cries would have been quite enough,
more likely than tears to gain attention, So, it appears, there must be
something special about tears themselves.
Indeed, the new studies suggest that emotional tears may play a direct role
in alleviating stress, University of Minnesota researchers who are studying the
chemical composition of tears have recently isolated two important chemicals
from emotional tears. Both chemicals are found only in tears that are shed in
response to emotion. Tears shed because of exposure to =cut onion would contain
no such substance.
Researchers at several other institutions are investigating the usefulness
of tears as a means of diagnosing human ills and monitoring drugs.
At Tulane University’s Teat Analysis Laboratory Dr.Peter Kastl and his
colleagues report that they can use tears to detect drug abuse and exposure to
medication(药物), to determine whether a contact lens fits properly of why it may
be uncomfortable, to study the causes of “dry eye” syndrome and the effects of
eye surgery, and perhaps even to measure exposure to environmental
pollutants.
At Columbia University Dt.Liasy Faris and colleagues are studying tears for
clues to the diagnosis of diseases away from the eyes. Tears can be obtained
painlessly without invading the body and only tiny amounts are needed to perform
highly refined analyses.
31. It is known from the first paragraph that ________.
A) shedding tears gives unpleasant feelings to American
B) crying may often imitate people or even result in tragedy
C) crying usually wins sympathy from other people
D) one who sheds tears in public will be blamed
32. What does “both those responses to tears”(Line 6, Para, 1) refer
to?
A) Crying out of sorrow and shedding tears for happiness.
B) The embarrassment and unpleasant sensation of the observers.
C) The tear shedder’s apology and the observer’s effort to stop the
crying.
D) Linking illness with crying and finding the chemical composition of
tears.
33. “Counterproductive” (Lines 6-7, Para,1) very probably means
“________”.
A) having no effect at all
B) leading to tension
C) producing disastrous impact
D) harmful to health
34. What does the author say about crying?
A) It is a pointless physiological response to the environment.
B) It must have a role to play in man’s survival.
C) It is meant to get attention and assistance.
D) It usually produces the desired effect.
35. What can be inferred from the new studies of tears?
A) Emotional tears have the function of reducing stress.
B) Exposure to excessive medication may increase emotional tears.
C) Emotional tears can give rise to “dry eye” syndrome in some cases.
D) Environmental pollutants can induce the shedding of emotional tears.
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发表于 2016-7-27 01:43:03