2013 年医学考博真题（完形部分） Sqge5 v
Video game players may get an unexpected benefit from blowing away bad guys ?<}qx`+%Q
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better vision. Anm5Cvt;i
Playing “action” video games improves a visual ability _51_ tasks like 9 q5[W=|
reading and driving at night, a new study says. This ability, called contrast sensitivity Ud9 \;Qse
function, allows people to discern even subtle changes _52_ gray against a uniformly 0ib 6}L%
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a D2 mB4
regular regimen of action video game training can provide long-lasting visual power, +I~?8*
according to work led by Daphne Bavelier of the University of Rochester. h7w<.zwu
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Previous research shows that gaming improves other visual skills, such as the ability %
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to track several objects at the same time and _54_ attention to a series of fast-moving @]7\.>)
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 Umd!j ,
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The new work suggests that playing video games could someday become part of +Q9HsfX/
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. g-s@m}[T
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games QRjt.Ry|
should help the optical system to recover faster and better, you need to retrain the brain Qp54(`
to make use of the better, crisper information that’s coming in _57_ your improved
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eyesight”. 4~/6d9f
Expert action gamers in the study played first-person shooters Unreal Tournament PLyu1{1" z
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a 2n=;"33%a
“life simulation” video game. The players of nonaction video games didn’t see the same .G]# _U
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why +!Ltn
action games _59_ seem to sharpen visual skill. It may be that locating enemies and D^~g q`/)
aiming accurately is a strenuous, strength-building workout for the eyes, she said mc=*wr$
another possible _60_ is that the unpredictable, fast-changing environment of the d7P @_jO6
typical action game requires players to constantly monitor entire landscapes and analyze bi[l ,
optical data quickly. w;(gi
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52. A. in disguise of B. in shade of C. in search of D. in place of g2]-Q.
53. A. This is how B. That’s why C. It is not that D. There exists l1[IXw?
54. A. paid B. pays C. pay D. paying a3 x~B =E
55. A. though B. not to say C. not just one D. as well rZv+K/6*M
56. A. Until B. While C. Unless D. Once 57>ne)51
57. A. as opposed to B. in addition to C. as a result of D. in spite of
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58. A. benefit B. defects C .approaches D. risks k
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59. A. in case B. in advance C. in return D. in particular
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60. A. effect B. reason C. outcome D. conclusion S+G )&<a^
参考答案：51-55：ABBDC 56-60：DCADB L'Zud,JKg
