2013 年医学考博真题（完形部分） R%4Yg(-Q
Video game players may get an unexpected benefit from blowing away bad guys p
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better vision. >yr;Y4y7K
Playing “action” video games improves a visual ability _51_ tasks like ~;jgl_5?b
reading and driving at night, a new study says. This ability, called contrast sensitivity ?
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function, allows people to discern even subtle changes _52_ gray against a uniformly gyq6LRb
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a KTt+}-vP^
regular regimen of action video game training can provide long-lasting visual power, #q K
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according to work led by Daphne Bavelier of the University of Rochester. ^\g.iuE
Previous research shows that gaming improves other visual skills, such as the ability w> 8HS+
to track several objects at the same time and _54_ attention to a series of fast-moving |||m
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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 c]Gs{V]\
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The new work suggests that playing video games could someday become part of n-2!<`UFX
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. 0ETT@ /)]z
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games O:8
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should help the optical system to recover faster and better, you need to retrain the brain `k>C%6FG$#
to make use of the better, crisper information that’s coming in _57_ your improved 45n.%*,
eyesight”. M*bsA/ Z
Expert action gamers in the study played first-person shooters Unreal Tournament x${C[gxq9F
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a 4Cc hE15
“life simulation” video game. The players of nonaction video games didn’t see the same EZ{{p+e ^
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why n-SO201[*
action games _59_ seem to sharpen visual skill. It may be that locating enemies and Xp| 4 WM
aiming accurately is a strenuous, strength-building workout for the eyes, she said WY QVe_<z:
another possible _60_ is that the unpredictable, fast-changing environment of the 0 LXu!iix
typical action game requires players to constantly monitor entire landscapes and analyze b$0;fEvIJn
optical data quickly. &>+5
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52. A. in disguise of B. in shade of C. in search of D. in place of =BN<)f^*s
53. A. This is how B. That’s why C. It is not that D. There exists WF*j^ %5
54. A. paid B. pays C. pay D. paying *g
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56. A. Until B. While C. Unless D. Once ~8 UMwpl-
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58. A. benefit B. defects C .approaches D. risks ?u&|'ASo
59. A. in case B. in advance C. in return D. in particular uH? 4d!G
60. A. effect B. reason C. outcome D. conclusion Ct?xT Fb
参考答案：51-55：ABBDC 56-60：DCADB t5_76'@cX
