2013 年医学考博真题（完形部分） ./.E=
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Video game players may get an unexpected benefit from blowing away bad guys u!;kBs
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better vision. vR#A7y @ !
Playing “action” video games improves a visual ability _51_ tasks like YW >|g E
reading and driving at night, a new study says. This ability, called contrast sensitivity R"K{@8b
function, allows people to discern even subtle changes _52_ gray against a uniformly >}_c<`:
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a *}3~8f
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regular regimen of action video game training can provide long-lasting visual power, 0vDP- qJV-
according to work led by Daphne Bavelier of the University of Rochester. t+p-,ey ^@
Previous research shows that gaming improves other visual skills, such as the ability : |P "`j
to track several objects at the same time and _54_ attention to a series of fast-moving /C_O/N
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 9O P
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The new work suggests that playing video games could someday become part of Zb8i[1 P
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. rJD>]3D 5p
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games &<k )W
should help the optical system to recover faster and better, you need to retrain the brain {/ZB>l@D>8
to make use of the better, crisper information that’s coming in _57_ your improved 2>?GD@GE
eyesight”.
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Expert action gamers in the study played first-person shooters Unreal Tournament ?RrJ Yj1
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a WY0u9M4
“life simulation” video game. The players of nonaction video games didn’t see the same H ~@aT7
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why kax9RH vku
action games _59_ seem to sharpen visual skill. It may be that locating enemies and [,xFk* #
aiming accurately is a strenuous, strength-building workout for the eyes, she said gO_^{>2
another possible _60_ is that the unpredictable, fast-changing environment of the v#=WdaNz
typical action game requires players to constantly monitor entire landscapes and analyze d<fS52~l
optical data quickly. p;X[_h
51. A. crucial for B. available in C. resulting from D. ascribed to ~d){7OG
52. A. in disguise of B. in shade of C. in search of D. in place of |0A n| 18
53. A. This is how B. That’s why C. It is not that D. There exists h
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54. A. paid B. pays C. pay D. paying f}nGWV%,
55. A. though B. not to say C. not just one D. as well W $H8[G
56. A. Until B. While C. Unless D. Once Qt]nlu i~
57. A. as opposed to B. in addition to C. as a result of D. in spite of LP#CA^*S
58. A. benefit B. defects C .approaches D. risks .J&~u0g
59. A. in case B. in advance C. in return D. in particular S S(jjpe&,
60. A. effect B. reason C. outcome D. conclusion K xh)'aal
参考答案：51-55：ABBDC 56-60：DCADB si%f.A #
