2013 年医学考博真题（完形部分） y{uN+QS
Video game players may get an unexpected benefit from blowing away bad guys ]g0\
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better vision. hX sH9R
Playing “action” video games improves a visual ability _51_ tasks like J*'#!
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reading and driving at night, a new study says. This ability, called contrast sensitivity tcS7 @ ^'
function, allows people to discern even subtle changes _52_ gray against a uniformly 73d7'Fw
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a G~Mxh,aD$>
regular regimen of action video game training can provide long-lasting visual power, roG f
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according to work led by Daphne Bavelier of the University of Rochester. 92K#xM/
Previous research shows that gaming improves other visual skills, such as the ability -_|U"C$
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 4XL]~3 c
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The new work suggests that playing video games could someday become part of Yv [j5\:x
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. |LNAd:0
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games h,C?%H+/0Q
should help the optical system to recover faster and better, you need to retrain the brain kdH P
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to make use of the better, crisper information that’s coming in _57_ your improved Kn<z<>vO
eyesight”. /_ MEb42&
Expert action gamers in the study played first-person shooters Unreal Tournament Vr=c06a2
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a /_G^d1T1?L
“life simulation” video game. The players of nonaction video games didn’t see the same ? 3
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vision _58_, the study says. Bavelier and others are now trying to figure out exactly why c
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action games _59_ seem to sharpen visual skill. It may be that locating enemies and J3B]JttU
aiming accurately is a strenuous, strength-building workout for the eyes, she said gM<*(=x'
another possible _60_ is that the unpredictable, fast-changing environment of the `II/nv0jn
typical action game requires players to constantly monitor entire landscapes and analyze a:(.{z?nM
optical data quickly. >b.wk3g@>
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52. A. in disguise of B. in shade of C. in search of D. in place of ,mE*k79L6
53. A. This is how B. That’s why C. It is not that D. There exists nUL8*#p-
54. A. paid B. pays C. pay D. paying pU |SUM
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56. A. Until B. While C. Unless D. Once aBO%qmtt
57. A. as opposed to B. in addition to C. as a result of D. in spite of 0{P Rv./`
58. A. benefit B. defects C .approaches D. risks +h$) l/>:
59. A. in case B. in advance C. in return D. in particular 9 aE!!
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60. A. effect B. reason C. outcome D. conclusion iS{8cN3R
参考答案：51-55：ABBDC 56-60：DCADB 9cu0$P`}5
