2013 年医学考博真题（完形部分） =qoRS0Qa
Video game players may get an unexpected benefit from blowing away bad guys u a
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better vision. 'pP-rdx
Playing “action” video games improves a visual ability _51_ tasks like O|v
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reading and driving at night, a new study says. This ability, called contrast sensitivity oEzDMImJ5
function, allows people to discern even subtle changes _52_ gray against a uniformly +T
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colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a r(uP!n1+
regular regimen of action video game training can provide long-lasting visual power, :%_ q[ }e
according to work led by Daphne Bavelier of the University of Rochester. @?2n]n6
Previous research shows that gaming improves other visual skills, such as the ability : d'65KMi
to track several objects at the same time and _54_ attention to a series of fast-moving b>q6:=((
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 Hc!!tbBQ
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The new work suggests that playing video games could someday become part of 5~\Kj#PBx
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. aR(E7mX Q
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games p~>_T7ze
should help the optical system to recover faster and better, you need to retrain the brain d)*(KhYie@
to make use of the better, crisper information that’s coming in _57_ your improved Ff/Ig]Lb
eyesight”. #1l7 FT?q
Expert action gamers in the study played first-person shooters Unreal Tournament E *4t8
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a ^_w*XV
“life simulation” video game. The players of nonaction video games didn’t see the same nL;K|W
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why 7&t~R}&|
action games _59_ seem to sharpen visual skill. It may be that locating enemies and RdkU2Y }V
aiming accurately is a strenuous, strength-building workout for the eyes, she said LD@7(?mlU
another possible _60_ is that the unpredictable, fast-changing environment of the ,^+#M{Z
typical action game requires players to constantly monitor entire landscapes and analyze vU9~[I`^p
optical data quickly. nL\Z Id
51. A. crucial for B. available in C. resulting from D. ascribed to W8uVd zQ
52. A. in disguise of B. in shade of C. in search of D. in place of ;siJ~|6)
53. A. This is how B. That’s why C. It is not that D. There exists gL,"ef+nM
54. A. paid B. pays C. pay D. paying T:@7 S
55. A. though B. not to say C. not just one D. as well RR'(9QJ$
56. A. Until B. While C. Unless D. Once ~"5C${~{
57. A. as opposed to B. in addition to C. as a result of D. in spite of 1bDJ}M~]z
58. A. benefit B. defects C .approaches D. risks ${
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59. A. in case B. in advance C. in return D. in particular 7n <#y;wo
60. A. effect B. reason C. outcome D. conclusion Dwk$CJb3-
参考答案：51-55：ABBDC 56-60：DCADB
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