2013 年医学考博真题（完形部分） 2}b bdX x
Video game players may get an unexpected benefit from blowing away bad guys zYL^e @
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better vision. tpN}9N
Playing “action” video games improves a visual ability _51_ tasks like s<b7/ ;w'
reading and driving at night, a new study says. This ability, called contrast sensitivity i`qh|w/b_
function, allows people to discern even subtle changes _52_ gray against a uniformly gISs+g
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a bRp[N
regular regimen of action video game training can provide long-lasting visual power, _H s vF[\[
according to work led by Daphne Bavelier of the University of Rochester. R. N*G]K 5
Previous research shows that gaming improves other visual skills, such as the ability ;[9Is\
to track several objects at the same time and _54_ attention to a series of fast-moving
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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 gwJu&HA/
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The new work suggests that playing video games could someday become part of _3a
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vision-correction treatments, which currently rely mainly on surgery or corrective lenses. <.ky1aex7
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games IJ; *N
should help the optical system to recover faster and better, you need to retrain the brain [3R
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to make use of the better, crisper information that’s coming in _57_ your improved 0
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eyesight”. ?C35
Expert action gamers in the study played first-person shooters Unreal Tournament #9 OP.4
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a 99K+7G\{
“life simulation” video game. The players of nonaction video games didn’t see the same n bk(F D6
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why sfE8b/Z8
action games _59_ seem to sharpen visual skill. It may be that locating enemies and ;4$C$ r!t
aiming accurately is a strenuous, strength-building workout for the eyes, she said
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another possible _60_ is that the unpredictable, fast-changing environment of the i&)C,
typical action game requires players to constantly monitor entire landscapes and analyze <t% A)L%
optical data quickly. X:&p9_O@
51. A. crucial for B. available in C. resulting from D. ascribed to :n9~H
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52. A. in disguise of B. in shade of C. in search of D. in place of F*VMS
53. A. This is how B. That’s why C. It is not that D. There exists J5_Y\@
54. A. paid B. pays C. pay D. paying a <TL&
55. A. though B. not to say C. not just one D. as well )O C[;>F7
56. A. Until B. While C. Unless D. Once 2-!Mao"^
57. A. as opposed to B. in addition to C. as a result of D. in spite of PRC)GP&q
58. A. benefit B. defects C .approaches D. risks Cf[F`pFM
59. A. in case B. in advance C. in return D. in particular 2Q|*xd4B^
60. A. effect B. reason C. outcome D. conclusion !r
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参考答案：51-55：ABBDC 56-60：DCADB EZQ+HECpK
