2013 年医学考博真题（完形部分） Ey ozhIV
Video game players may get an unexpected benefit from blowing away bad guys o: qB#8X
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better vision. {,,w5/k^
Playing “action” video games improves a visual ability _51_ tasks like [@Y?'={qE
reading and driving at night, a new study says. This ability, called contrast sensitivity D[ny%9 :
function, allows people to discern even subtle changes _52_ gray against a uniformly H>k=V<
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a 2UA h^i-^
regular regimen of action video game training can provide long-lasting visual power, /&a [D 2
according to work led by Daphne Bavelier of the University of Rochester. a,!
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Previous research shows that gaming improves other visual skills, such as the ability S' lZ'H /
to track several objects at the same time and _54_ attention to a series of fast-moving hK3?m.> "g
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 $yBU
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The new work suggests that playing video games could someday become part of }"E?#&^
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. /(5 SJ(a
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games ]& jXD=a"
should help the optical system to recover faster and better, you need to retrain the brain 40w,: $
to make use of the better, crisper information that’s coming in _57_ your improved 4"nb>tA
eyesight”. 9nN$%(EO5;
Expert action gamers in the study played first-person shooters Unreal Tournament R?V s8?
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a '_N~PoV
“life simulation” video game. The players of nonaction video games didn’t see the same |4^us|XY
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why fkbHfBp[(A
action games _59_ seem to sharpen visual skill. It may be that locating enemies and _bRd2k,
aiming accurately is a strenuous, strength-building workout for the eyes, she said ^cs:S-s
another possible _60_ is that the unpredictable, fast-changing environment of the
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typical action game requires players to constantly monitor entire landscapes and analyze
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optical data quickly. @T
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60. A. effect B. reason C. outcome D. conclusion sT8(f=^)8F
参考答案：51-55：ABBDC 56-60：DCADB r'*x><m'
