2013 年医学考博真题（完形部分） ;v$4$D ]L
Video game players may get an unexpected benefit from blowing away bad guys a AB`G3
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better vision. g]c 6& Y,#
Playing “action” video games improves a visual ability _51_ tasks like WH= EPOR,
reading and driving at night, a new study says. This ability, called contrast sensitivity *Q, 0W:~-
function, allows people to discern even subtle changes _52_ gray against a uniformly O/<K!;(@?
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a rW0
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regular regimen of action video game training can provide long-lasting visual power, I hA* "
according to work led by Daphne Bavelier of the University of Rochester. ^6_Cc
Previous research shows that gaming improves other visual skills, such as the ability X0n~-m"m
to track several objects at the same time and _54_ attention to a series of fast-moving @0SC"CqM
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 6 C+"`(u%V
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The new work suggests that playing video games could someday become part of G^` 1]?
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. 48*Do}l]
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games >b]S3[Q(
should help the optical system to recover faster and better, you need to retrain the brain >`%'4<I
to make use of the better, crisper information that’s coming in _57_ your improved Y2?.}Z O
eyesight”. -Q
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Expert action gamers in the study played first-person shooters Unreal Tournament nVI! @qW
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a uI DuGrt
“life simulation” video game. The players of nonaction video games didn’t see the same INyk3 `FT
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why
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action games _59_ seem to sharpen visual skill. It may be that locating enemies and .k0~Vh2u
aiming accurately is a strenuous, strength-building workout for the eyes, she said ?|ZTaX6A
another possible _60_ is that the unpredictable, fast-changing environment of the 4X *>H
typical action game requires players to constantly monitor entire landscapes and analyze
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optical data quickly. .({smN,B
51. A. crucial for B. available in C. resulting from D. ascribed to qvv2O1c"A
52. A. in disguise of B. in shade of C. in search of D. in place of ._+J_ts
53. A. This is how B. That’s why C. It is not that D. There exists R?p00
54. A. paid B. pays C. pay D. paying 4sP2 g&
55. A. though B. not to say C. not just one D. as well H8'Z#"h
56. A. Until B. While C. Unless D. Once dF~8XYo
57. A. as opposed to B. in addition to C. as a result of D. in spite of ~O1&@xX
58. A. benefit B. defects C .approaches D. risks E{n:J3_X^d
59. A. in case B. in advance C. in return D. in particular p+Y>F\r&w
60. A. effect B. reason C. outcome D. conclusion [u._q: A
参考答案：51-55：ABBDC 56-60：DCADB zr
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