2013 年医学考博真题（完形部分） Q '+N72=
Video game players may get an unexpected benefit from blowing away bad guys `6mHt6 "h
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better vision. % C
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Playing “action” video games improves a visual ability _51_ tasks like DAu|`pyC%
reading and driving at night, a new study says. This ability, called contrast sensitivity @su{Uno8/
function, allows people to discern even subtle changes _52_ gray against a uniformly z{#F9'\ &
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a jq0tMTb%L
regular regimen of action video game training can provide long-lasting visual power, 4(aesZ8h
according to work led by Daphne Bavelier of the University of Rochester. 0dcXgP
Previous research shows that gaming improves other visual skills, such as the ability doR'=@ W
to track several objects at the same time and _54_ attention to a series of fast-moving =|U2 }U;
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 [QZ~~(R
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The new work suggests that playing video games could someday become part of (J$
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vision-correction treatments, which currently rely mainly on surgery or corrective lenses. rm MO-!s
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games YQ]H3GA
should help the optical system to recover faster and better, you need to retrain the brain d(@
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to make use of the better, crisper information that’s coming in _57_ your improved f0D Ch]
eyesight”. r0 X2cc
Expert action gamers in the study played first-person shooters Unreal Tournament G wW#Ww;Oc
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a H~ZSw7!M8
“life simulation” video game. The players of nonaction video games didn’t see the same 'd t}i<
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why Mb>6 .l
action games _59_ seem to sharpen visual skill. It may be that locating enemies and *b)b#p
aiming accurately is a strenuous, strength-building workout for the eyes, she said i 52R, hz
another possible _60_ is that the unpredictable, fast-changing environment of the gNqV>p
typical action game requires players to constantly monitor entire landscapes and analyze r6$=|Yto
optical data quickly. Z>,X$ Y6<
51. A. crucial for B. available in C. resulting from D. ascribed to aqM_t
52. A. in disguise of B. in shade of C. in search of D. in place of ltrSTH,kL
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 \a6)t%u
55. A. though B. not to say C. not just one D. as well O5{XT]:
56. A. Until B. While C. Unless D. Once 6g"<i}_|
57. A. as opposed to B. in addition to C. as a result of D. in spite of 2Y4&Sba^Y
58. A. benefit B. defects C .approaches D. risks z}8YrVr@
59. A. in case B. in advance C. in return D. in particular
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60. A. effect B. reason C. outcome D. conclusion if}]8
参考答案：51-55：ABBDC 56-60：DCADB ->hxHr`!%a
