2013 年医学考博真题（完形部分） m _cRK}>
Video game players may get an unexpected benefit from blowing away bad guys j$K*R."
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better vision. h 2 KI
Playing “action” video games improves a visual ability _51_ tasks like g5
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reading and driving at night, a new study says. This ability, called contrast sensitivity k, [*h-{8
function, allows people to discern even subtle changes _52_ gray against a uniformly zcKQD )]
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a d2V X\
regular regimen of action video game training can provide long-lasting visual power, f. "\~
according to work led by Daphne Bavelier of the University of Rochester. L8 L1_
Previous research shows that gaming improves other visual skills, such as the ability 6$6Q
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to track several objects at the same time and _54_ attention to a series of fast-moving nq)F$@
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 )V\@N*L`ik
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The new work suggests that playing video games could someday become part of s U"%,Q5
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. ]3rVULU"K-
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games }5-w,m {8/
should help the optical system to recover faster and better, you need to retrain the brain F !]Sr'UA
to make use of the better, crisper information that’s coming in _57_ your improved BDT L5N
eyesight”. ){*+s RBW
Expert action gamers in the study played first-person shooters Unreal Tournament +n)n6} S
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a +!/ATR%Uci
“life simulation” video game. The players of nonaction video games didn’t see the same p+ CUYo(
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 Rff F:,b
aiming accurately is a strenuous, strength-building workout for the eyes, she said n t}7|h|
another possible _60_ is that the unpredictable, fast-changing environment of the K JA
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typical action game requires players to constantly monitor entire landscapes and analyze 5E& #Kh(I
optical data quickly. n0xGIq
51. A. crucial for B. available in C. resulting from D. ascribed to bGPE0}b
52. A. in disguise of B. in shade of C. in search of D. in place of eU[g@Pq:Y
53. A. This is how B. That’s why C. It is not that D. There exists xN 1P#
54. A. paid B. pays C. pay D. paying 9R50,l s E
55. A. though B. not to say C. not just one D. as well @5Xo2}o-Q
56. A. Until B. While C. Unless D. Once Gv:~P_vBH[
57. A. as opposed to B. in addition to C. as a result of D. in spite of 2 !s&|lI
58. A. benefit B. defects C .approaches D. risks W>K^55'
59. A. in case B. in advance C. in return D. in particular YX\vk/[|
60. A. effect B. reason C. outcome D. conclusion d*gAL<M7E
参考答案：51-55：ABBDC 56-60：DCADB i0vm0
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