2013 年医学考博真题（完形部分） ]kkH|b$[T
Video game players may get an unexpected benefit from blowing away bad guys 6v -2( Y
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better vision. hzk]kM/OC
Playing “action” video games improves a visual ability _51_ tasks like $
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reading and driving at night, a new study says. This ability, called contrast sensitivity 9%u
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function, allows people to discern even subtle changes _52_ gray against a uniformly == i?lbj
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a m>?{
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regular regimen of action video game training can provide long-lasting visual power, *}i.,4+y
according to work led by Daphne Bavelier of the University of Rochester. ?< $DQ%bf
Previous research shows that gaming improves other visual skills, such as the ability bl
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to track several objects at the same time and _54_ attention to a series of fast-moving ;lo!o9` <
events. Bavelier said, “a lot of different aspects of the visual system are being enhanced, 医学考博完形强化 医学考博完形解析—连俊霞 ~4tu*\P
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The new work suggests that playing video games could someday become part of w+ow x(mN@
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. X6@G)68
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games aTY\mK k
should help the optical system to recover faster and better, you need to retrain the brain RV:%^=
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to make use of the better, crisper information that’s coming in _57_ your improved S-6 %mYf
eyesight”. J4ltHk.|
Expert action gamers in the study played first-person shooters Unreal Tournament . ),m7"u|
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a n P4DHb&5
“life simulation” video game. The players of nonaction video games didn’t see the same "h}miVArS
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why E|d 8vt
action games _59_ seem to sharpen visual skill. It may be that locating enemies and 3v%V\kO=F
aiming accurately is a strenuous, strength-building workout for the eyes, she said _6 |lw&o07
another possible _60_ is that the unpredictable, fast-changing environment of the #Hr>KQ5mJQ
typical action game requires players to constantly monitor entire landscapes and analyze uN1O(s
optical data quickly. 5}4r'P$m:
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52. A. in disguise of B. in shade of C. in search of D. in place of .5zqpm
53. A. This is how B. That’s why C. It is not that D. There exists bgjo_!J+Pp
54. A. paid B. pays C. pay D. paying &pD6Qq
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58. A. benefit B. defects C .approaches D. risks IgOo 2N"^l
59. A. in case B. in advance C. in return D. in particular afcI5w;>}
60. A. effect B. reason C. outcome D. conclusion 8rXu^
参考答案：51-55：ABBDC 56-60：DCADB mRw &^7r
