2013 年医学考博真题（完形部分） H_w%'v &
Video game players may get an unexpected benefit from blowing away bad guys uvnI>gv
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better vision. ZyI$M 3{J
Playing “action” video games improves a visual ability _51_ tasks like 0(y:$
reading and driving at night, a new study says. This ability, called contrast sensitivity r\2vl8X~
function, allows people to discern even subtle changes _52_ gray against a uniformly Fi2xr<7"
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a +q {[\#t5
regular regimen of action video game training can provide long-lasting visual power, r aE
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according to work led by Daphne Bavelier of the University of Rochester. hJ*Ihw n|
Previous research shows that gaming improves other visual skills, such as the ability 6L9, 'Bg
to track several objects at the same time and _54_ attention to a series of fast-moving m#e*c [*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 HYCuK48F[_
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The new work suggests that playing video games could someday become part of BRS#Fl:
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. ""% A'TZ
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games !eI2 r
should help the optical system to recover faster and better, you need to retrain the brain ,LhCFw{8?~
to make use of the better, crisper information that’s coming in _57_ your improved i"r!w|j
eyesight”. t"vRc4mf
Expert action gamers in the study played first-person shooters Unreal Tournament `~ # < &w
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a Y?K{(szo ?
“life simulation” video game. The players of nonaction video games didn’t see the same `P}9 i @C
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why x Q4%e[/
action games _59_ seem to sharpen visual skill. It may be that locating enemies and d0'H DVd
aiming accurately is a strenuous, strength-building workout for the eyes, she said #8XL
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another possible _60_ is that the unpredictable, fast-changing environment of the #%lo;W~IY
typical action game requires players to constantly monitor entire landscapes and analyze r'GP$0rr9!
optical data quickly. T-_"|-k}P%
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52. A. in disguise of B. in shade of C. in search of D. in place of V ~@^`Gd
53. A. This is how B. That’s why C. It is not that D. There exists MGJ.,tK1
54. A. paid B. pays C. pay D. paying KNLnn;l
55. A. though B. not to say C. not just one D. as well tDg}Ys=4K>
56. A. Until B. While C. Unless D. Once oU*45B`"
57. A. as opposed to B. in addition to C. as a result of D. in spite of )wvHGecp*
58. A. benefit B. defects C .approaches D. risks r SkUSe6
59. A. in case B. in advance C. in return D. in particular n+;6=1d7ZW
60. A. effect B. reason C. outcome D. conclusion ar9]"s+'
参考答案：51-55：ABBDC 56-60：DCADB (Qo I<j""
