2013 年医学考博真题（完形部分） N[pZIH5ho=
Video game players may get an unexpected benefit from blowing away bad guys 2B^~/T<\
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better vision. YgEM:'1f
Playing “action” video games improves a visual ability _51_ tasks like _?.\Xc
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 7,*%[#-HE
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a <s_=-"
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regular regimen of action video game training can provide long-lasting visual power, =+<d1W`>0
according to work led by Daphne Bavelier of the University of Rochester. .]P
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Previous research shows that gaming improves other visual skills, such as the ability U Fe(4]^
to track several objects at the same time and _54_ attention to a series of fast-moving lyyX
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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 <c+K3P'3?
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The new work suggests that playing video games could someday become part of x` 2| }AP(
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. Ra[ >P _
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games ! RPb|1Y}+
should help the optical system to recover faster and better, you need to retrain the brain T1W:>~T5#
to make use of the better, crisper information that’s coming in _57_ your improved hL!QL iF:
eyesight”. $w)~xE5;
Expert action gamers in the study played first-person shooters Unreal Tournament 1 {Jb"
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a
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“life simulation” video game. The players of nonaction video games didn’t see the same %v{1# ~u
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why 8gC)5Y
action games _59_ seem to sharpen visual skill. It may be that locating enemies and l}rS{+:wK
aiming accurately is a strenuous, strength-building workout for the eyes, she said % ucjMa>t
another possible _60_ is that the unpredictable, fast-changing environment of the [
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typical action game requires players to constantly monitor entire landscapes and analyze 6;+jIkkD
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optical data quickly. !8R@@,_v
51. A. crucial for B. available in C. resulting from D. ascribed to RV+E^pkp$
52. A. in disguise of B. in shade of C. in search of D. in place of c2 *`2qK#
53. A. This is how B. That’s why C. It is not that D. There exists
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54. A. paid B. pays C. pay D. paying <x0H@?f7
55. A. though B. not to say C. not just one D. as well a}gk T]
56. A. Until B. While C. Unless D. Once "NzD1k6.L
57. A. as opposed to B. in addition to C. as a result of D. in spite of p B p #a
58. A. benefit B. defects C .approaches D. risks 1ibnx2^YB
59. A. in case B. in advance C. in return D. in particular Bs8[+Ft5
60. A. effect B. reason C. outcome D. conclusion WKl +{e
参考答案：51-55：ABBDC 56-60：DCADB q; ji w#_
