2013 年医学考博真题（完形部分） ,$6MM6W;-F
Video game players may get an unexpected benefit from blowing away bad guys K&D}!.~/
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better vision. p =`x
Playing “action” video games improves a visual ability _51_ tasks like wh7a|
reading and driving at night, a new study says. This ability, called contrast sensitivity XM@- Y&c$A
function, allows people to discern even subtle changes _52_ gray against a uniformly R8r[;u\iV
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a ANpY qV
regular regimen of action video game training can provide long-lasting visual power, 1M~:]}*<
according to work led by Daphne Bavelier of the University of Rochester. RkH oT^
Previous research shows that gaming improves other visual skills, such as the ability )V$
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to track several objects at the same time and _54_ attention to a series of fast-moving ,?~UpsUx
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 Zz)oMw
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The new work suggests that playing video games could someday become part of 1- ]x
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. = 3v
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“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games 4\'81"e i
should help the optical system to recover faster and better, you need to retrain the brain <# x%A0
to make use of the better, crisper information that’s coming in _57_ your improved b} U&bFl
eyesight”. +u iH0iGS
Expert action gamers in the study played first-person shooters Unreal Tournament }Keon.N?
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a rNzhP*Fw
“life simulation” video game. The players of nonaction video games didn’t see the same |XdrO
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why ND9>`I 5
action games _59_ seem to sharpen visual skill. It may be that locating enemies and yJ`1},^
aiming accurately is a strenuous, strength-building workout for the eyes, she said <QW1fE
another possible _60_ is that the unpredictable, fast-changing environment of the bvu<IXX=2
typical action game requires players to constantly monitor entire landscapes and analyze 6M vR R
optical data quickly. )%@W
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51. A. crucial for B. available in C. resulting from D. ascribed to 5<BV\'
52. A. in disguise of B. in shade of C. in search of D. in place of +?txG HQq
53. A. This is how B. That’s why C. It is not that D. There exists ?gMrcc/{
54. A. paid B. pays C. pay D. paying )I-?zyL
55. A. though B. not to say C. not just one D. as well CU ^3L|f2N
56. A. Until B. While C. Unless D. Once i K:qP rk-
57. A. as opposed to B. in addition to C. as a result of D. in spite of #`)-$vUv^f
58. A. benefit B. defects C .approaches D. risks _3G)S+ 7#
59. A. in case B. in advance C. in return D. in particular o^"3C1j
60. A. effect B. reason C. outcome D. conclusion xI\s9_"Qy
参考答案：51-55：ABBDC 56-60：DCADB D!$ =oK
