2013 年医学考博真题（完形部分） Pa/2]) w
Video game players may get an unexpected benefit from blowing away bad guys ]u%Y
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better vision. ]GzfU'fOn|
Playing “action” video games improves a visual ability _51_ tasks like 3MoVIf1
reading and driving at night, a new study says. This ability, called contrast sensitivity \m+;^_;5GW
function, allows people to discern even subtle changes _52_ gray against a uniformly J!iK W
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a HCa EETk5
regular regimen of action video game training can provide long-lasting visual power, .;3
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according to work led by Daphne Bavelier of the University of Rochester. MQVEO5
Previous research shows that gaming improves other visual skills, such as the ability .7n`]S/
to track several objects at the same time and _54_ attention to a series of fast-moving q ` @8
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 Ki%RSW(_`
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The new work suggests that playing video games could someday become part of |]OI)w*
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. ksQw|>K
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games m"~),QwF9
should help the optical system to recover faster and better, you need to retrain the brain 8&v%>wxR@
to make use of the better, crisper information that’s coming in _57_ your improved b+ THn'2
eyesight”. Wp //SV
Expert action gamers in the study played first-person shooters Unreal Tournament 3@mW/l>X
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a +qmV|$rm M
“life simulation” video game. The players of nonaction video games didn’t see the same
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vision _58_, the study says. Bavelier and others are now trying to figure out exactly why T$4Utd5[z'
action games _59_ seem to sharpen visual skill. It may be that locating enemies and a`zw 5
aiming accurately is a strenuous, strength-building workout for the eyes, she said !{ /AJb
another possible _60_ is that the unpredictable, fast-changing environment of the o*s3"Ib
typical action game requires players to constantly monitor entire landscapes and analyze I=}R
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optical data quickly. CI@qT}Y_
51. A. crucial for B. available in C. resulting from D. ascribed to 3
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52. A. in disguise of B. in shade of C. in search of D. in place of ~)iQbLI
53. A. This is how B. That’s why C. It is not that D. There exists r<-@.$lf
54. A. paid B. pays C. pay D. paying CL"q "
55. A. though B. not to say C. not just one D. as well G0v<`/|>}
56. A. Until B. While C. Unless D. Once hB-<GGcO <
57. A. as opposed to B. in addition to C. as a result of D. in spite of _u8d`7$*%
58. A. benefit B. defects C .approaches D. risks 0vcM+ }r w
59. A. in case B. in advance C. in return D. in particular f}+8m .g2
60. A. effect B. reason C. outcome D. conclusion gR 8v F
参考答案：51-55：ABBDC 56-60：DCADB |%5nV=&\
