2013 年医学考博真题（完形部分） EeKEw
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Video game players may get an unexpected benefit from blowing away bad guys S5 'BXE,
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better vision. im_W0tGvF
Playing “action” video games improves a visual ability _51_ tasks like DL2gui3
reading and driving at night, a new study says. This ability, called contrast sensitivity k@AOE0m
function, allows people to discern even subtle changes _52_ gray against a uniformly C} +
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colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a z@$7T: H>
regular regimen of action video game training can provide long-lasting visual power, L
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according to work led by Daphne Bavelier of the University of Rochester. W\zg#5fmK
Previous research shows that gaming improves other visual skills, such as the ability iy8U rgG;l
to track several objects at the same time and _54_ attention to a series of fast-moving 5A /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 @
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The new work suggests that playing video games could someday become part of _ EHr?b2
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. S(Xab_DT)H
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games $ r9Sn
should help the optical system to recover faster and better, you need to retrain the brain U=p,drF,A
to make use of the better, crisper information that’s coming in _57_ your improved 6 .2_UN^<
eyesight”. x\!Qe\lE
Expert action gamers in the study played first-person shooters Unreal Tournament Tul_/` An
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a $)mE"4FE
“life simulation” video game. The players of nonaction video games didn’t see the same 3*3WO,9
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why *\I?gDON
action games _59_ seem to sharpen visual skill. It may be that locating enemies and Tl %#N"
aiming accurately is a strenuous, strength-building workout for the eyes, she said _NA0$bGN9
another possible _60_ is that the unpredictable, fast-changing environment of the [(5;jUmF@
typical action game requires players to constantly monitor entire landscapes and analyze r~z-l,
optical data quickly. %7Z _Hw
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56. A. Until B. While C. Unless D. Once A{Z=[]r1`E
57. A. as opposed to B. in addition to C. as a result of D. in spite of +eZR._&0
58. A. benefit B. defects C .approaches D. risks +iir]"8
59. A. in case B. in advance C. in return D. in particular Q_euNoA0
60. A. effect B. reason C. outcome D. conclusion bg*4Z?[dd
参考答案：51-55：ABBDC 56-60：DCADB H*!j\|v0
