2013 年医学考博真题（完形部分） ab{;Z 5O
Video game players may get an unexpected benefit from blowing away bad guys aJI>FTdK
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better vision. ]+AAT=B<!
Playing “action” video games improves a visual ability _51_ tasks like YQ52~M0L
reading and driving at night, a new study says. This ability, called contrast sensitivity /n(9&'H<
function, allows people to discern even subtle changes _52_ gray against a uniformly r9?o$=T
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a C+`xx('N9
regular regimen of action video game training can provide long-lasting visual power, NP "ylMr7P
according to work led by Daphne Bavelier of the University of Rochester. R ^w}o,/
Previous research shows that gaming improves other visual skills, such as the ability dnix:'D1
to track several objects at the same time and _54_ attention to a series of fast-moving 9MT3T?IS
events. Bavelier said, “a lot of different aspects of the visual system are being enhanced, 医学考博完形强化 医学考博完形解析—连俊霞 : aH%bk
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The new work suggests that playing video games could someday become part of q=njKC
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. N^lAG"Jao[
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games .W$
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should help the optical system to recover faster and better, you need to retrain the brain U3/8A:$
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to make use of the better, crisper information that’s coming in _57_ your improved <
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eyesight”. E.9^&E}PG
Expert action gamers in the study played first-person shooters Unreal Tournament ly[lrD0Kn.
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a [$;,Ua-mt
“life simulation” video game. The players of nonaction video games didn’t see the same ac|/Y$\w
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why 3 tF:
action games _59_ seem to sharpen visual skill. It may be that locating enemies and
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aiming accurately is a strenuous, strength-building workout for the eyes, she said [ T-*/}4$
another possible _60_ is that the unpredictable, fast-changing environment of the $D}"k!H
typical action game requires players to constantly monitor entire landscapes and analyze =D5wqCT(Q
optical data quickly. u (AA`S"
51. A. crucial for B. available in C. resulting from D. ascribed to TVYz3~m
52. A. in disguise of B. in shade of C. in search of D. in place of ;5N41_hG
53. A. This is how B. That’s why C. It is not that D. There exists [<Q4U{F
54. A. paid B. pays C. pay D. paying xvB8YW"
55. A. though B. not to say C. not just one D. as well 0X#+#[W
56. A. Until B. While C. Unless D. Once a(f(R&-:$Y
57. A. as opposed to B. in addition to C. as a result of D. in spite of :Pf>Z? /d
58. A. benefit B. defects C .approaches D. risks 8RU.}P D
59. A. in case B. in advance C. in return D. in particular ++0rF\&
60. A. effect B. reason C. outcome D. conclusion &}E:jt}
参考答案：51-55：ABBDC 56-60：DCADB DL 1
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