2013 年医学考博真题（完形部分） @XX
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Video game players may get an unexpected benefit from blowing away bad guys ;81,1
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better vision. .7
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Playing “action” video games improves a visual ability _51_ tasks like f:O bI
reading and driving at night, a new study says. This ability, called contrast sensitivity
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function, allows people to discern even subtle changes _52_ gray against a uniformly )*>wa%[-q
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a 7HBf^N.
regular regimen of action video game training can provide long-lasting visual power, YrB-n
according to work led by Daphne Bavelier of the University of Rochester. [&P F ;)i
Previous research shows that gaming improves other visual skills, such as the ability Rd5_{F
to track several objects at the same time and _54_ attention to a series of fast-moving ]i@73h YT
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 o3/o2[s
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The new work suggests that playing video games could someday become part of T7.Iqw3p
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. , >h"~X
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games wlJi_)!
should help the optical system to recover faster and better, you need to retrain the brain d \l{tmte
to make use of the better, crisper information that’s coming in _57_ your improved 6]Hwr_/tk
eyesight”. l d@+p
Expert action gamers in the study played first-person shooters Unreal Tournament Nw1*); b[y
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a dAx
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“life simulation” video game. The players of nonaction video games didn’t see the same SL- 2 ^\R
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why ,3Q~X$f
action games _59_ seem to sharpen visual skill. It may be that locating enemies and `\62 iUN
aiming accurately is a strenuous, strength-building workout for the eyes, she said ! 6%?VJB|b
another possible _60_ is that the unpredictable, fast-changing environment of the 6/mz., g2
typical action game requires players to constantly monitor entire landscapes and analyze XNWtX-[ ^@
optical data quickly. tr [}F7n9
51. A. crucial for B. available in C. resulting from D. ascribed to |p&EP2?T
52. A. in disguise of B. in shade of C. in search of D. in place of ,s #~00C|
53. A. This is how B. That’s why C. It is not that D. There exists ^EX"fRwNi
54. A. paid B. pays C. pay D. paying 7qB4_
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 @/.#
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57. A. as opposed to B. in addition to C. as a result of D. in spite of C! *!n^qA
58. A. benefit B. defects C .approaches D. risks Wn(!6yid
59. A. in case B. in advance C. in return D. in particular ~4{q
60. A. effect B. reason C. outcome D. conclusion ?n `m
参考答案：51-55：ABBDC 56-60：DCADB CW
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