2013 年医学考博真题（完形部分） Qn'r+X5t
Video game players may get an unexpected benefit from blowing away bad guys pT_e;,KW
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better vision. k?|zIu
Playing “action” video games improves a visual ability _51_ tasks like hNR >Hy\
reading and driving at night, a new study says. This ability, called contrast sensitivity qhn&;{{
function, allows people to discern even subtle changes _52_ gray against a uniformly nkCRe
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a [V #&sAe
regular regimen of action video game training can provide long-lasting visual power,
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according to work led by Daphne Bavelier of the University of Rochester. <76=H]h~
Previous research shows that gaming improves other visual skills, such as the ability v^lm8/ }NO
to track several objects at the same time and _54_ attention to a series of fast-moving d)17r\*>I
events. Bavelier said, “a lot of different aspects of the visual system are being enhanced, 医学考博完形强化 医学考博完形解析—连俊霞 :;hBq4h
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The new work suggests that playing video games could someday become part of 9 (FcA5Y
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. !i"9f_
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games HNHhMi`w
should help the optical system to recover faster and better, you need to retrain the brain loqS?b C ]
to make use of the better, crisper information that’s coming in _57_ your improved x+)hL
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Expert action gamers in the study played first-person shooters Unreal Tournament )V+Dqh,-g
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a dE9aE# o
“life simulation” video game. The players of nonaction video games didn’t see the same $Ln2O#
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why C6T 9
action games _59_ seem to sharpen visual skill. It may be that locating enemies and cX =b q_
aiming accurately is a strenuous, strength-building workout for the eyes, she said zKAyfn.A
another possible _60_ is that the unpredictable, fast-changing environment of the 5A=xF j{
typical action game requires players to constantly monitor entire landscapes and analyze C` 1\ $U~%
optical data quickly. V
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51. A. crucial for B. available in C. resulting from D. ascribed to QX~72X=(
52. A. in disguise of B. in shade of C. in search of D. in place of 8'_
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53. A. This is how B. That’s why C. It is not that D. There exists T.
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54. A. paid B. pays C. pay D. paying wCE fR!i
55. A. though B. not to say C. not just one D. as well [.#$hOsNR
56. A. Until B. While C. Unless D. Once " e};?|y
57. A. as opposed to B. in addition to C. as a result of D. in spite of "@ '9+$i6
58. A. benefit B. defects C .approaches D. risks ^~k FC/tQ
59. A. in case B. in advance C. in return D. in particular F9G$$%Q-Z
60. A. effect B. reason C. outcome D. conclusion [(^''*7r+T
参考答案：51-55：ABBDC 56-60：DCADB _f2iz4
