2013 年医学考博真题（完形部分） 0p:n'P
Video game players may get an unexpected benefit from blowing away bad guys t
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better vision. dLG5yx\js
Playing “action” video games improves a visual ability _51_ tasks like %;9wToyK>
reading and driving at night, a new study says. This ability, called contrast sensitivity LR'F/.Dx
function, allows people to discern even subtle changes _52_ gray against a uniformly TE^BfAw@
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a c D]{ Nn
regular regimen of action video game training can provide long-lasting visual power, f`P%aX'cBQ
according to work led by Daphne Bavelier of the University of Rochester. T<?JL.8 g_
Previous research shows that gaming improves other visual skills, such as the ability *_3+ DF
to track several objects at the same time and _54_ attention to a series of fast-moving a{,EX[~b
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 {> >f5o 3
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The new work suggests that playing video games could someday become part of i{!i %
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vision-correction treatments, which currently rely mainly on surgery or corrective lenses. T'0Ot3m`
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games [uW{Ap ~2
should help the optical system to recover faster and better, you need to retrain the brain '72Z Ldi}-
to make use of the better, crisper information that’s coming in _57_ your improved 3Q Z w
eyesight”. >/eQjp?:
Expert action gamers in the study played first-person shooters Unreal Tournament Z,_yE*q
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a %v4/.4sR,;
“life simulation” video game. The players of nonaction video games didn’t see the same LH3PgGi,
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why r8}GiP0|
action games _59_ seem to sharpen visual skill. It may be that locating enemies and O5L B&s
aiming accurately is a strenuous, strength-building workout for the eyes, she said WdnCRFO?l
another possible _60_ is that the unpredictable, fast-changing environment of the t/#[At5p=
typical action game requires players to constantly monitor entire landscapes and analyze )1Z*kY?f!
optical data quickly. N? ky2wG
51. A. crucial for B. available in C. resulting from D. ascribed to v](7c2;
52. A. in disguise of B. in shade of C. in search of D. in place of k#w[G L|T
53. A. This is how B. That’s why C. It is not that D. There exists y8D 'V)B
54. A. paid B. pays C. pay D. paying =k
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55. A. though B. not to say C. not just one D. as well
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56. A. Until B. While C. Unless D. Once r}+U1l3#2
57. A. as opposed to B. in addition to C. as a result of D. in spite of L/_OgL]YdI
58. A. benefit B. defects C .approaches D. risks ?Xx,[Z&
59. A. in case B. in advance C. in return D. in particular '@3hU|jO!
60. A. effect B. reason C. outcome D. conclusion w<| ^i*
参考答案：51-55：ABBDC 56-60：DCADB Y\Odj~Mj
