2013 年医学考博真题（完形部分） {D_ 4~heF
Video game players may get an unexpected benefit from blowing away bad guys H ]N /Y{
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better vision. S:GUR6g8D
Playing “action” video games improves a visual ability _51_ tasks like <raqp Oo&
reading and driving at night, a new study says. This ability, called contrast sensitivity R`3>0LrC8
function, allows people to discern even subtle changes _52_ gray against a uniformly 3U.B[7fOM
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a Pc-8L]2oaF
regular regimen of action video game training can provide long-lasting visual power, ^OcfM_4pN
according to work led by Daphne Bavelier of the University of Rochester. `?|]: 7'<
Previous research shows that gaming improves other visual skills, such as the ability zSM7 x
to track several objects at the same time and _54_ attention to a series of fast-moving ;s /b_RN
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 %a6]gsiv2<
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The new work suggests that playing video games could someday become part of zinl.8Uk
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. DlkKQ
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games HG 6{`i
should help the optical system to recover faster and better, you need to retrain the brain =}o>_+"
to make use of the better, crisper information that’s coming in _57_ your improved KI QBY!N+
eyesight”. nR'EuI~(}
Expert action gamers in the study played first-person shooters Unreal Tournament Tb6x@Mo
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2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a 3#ZKuGg=
“life simulation” video game. The players of nonaction video games didn’t see the same X @4d~6k?
vision _58_, the study says. Bavelier and others are now trying to figure out exactly why 78BuD[<X-
action games _59_ seem to sharpen visual skill. It may be that locating enemies and A,[m=9V
aiming accurately is a strenuous, strength-building workout for the eyes, she said K?m:. ZM
another possible _60_ is that the unpredictable, fast-changing environment of the bh"v{V`=0
typical action game requires players to constantly monitor entire landscapes and analyze a ^/20UFq
optical data quickly. y#0Z[[I0
51. A. crucial for B. available in C. resulting from D. ascribed to >f05+%^[
52. A. in disguise of B. in shade of C. in search of D. in place of
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53. A. This is how B. That’s why C. It is not that D. There exists <%f%e4
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54. A. paid B. pays C. pay D. paying Y9ce"*b
55. A. though B. not to say C. not just one D. as well /
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56. A. Until B. While C. Unless D. Once Ntrn("!
57. A. as opposed to B. in addition to C. as a result of D. in spite of BD+~8v
58. A. benefit B. defects C .approaches D. risks >
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59. A. in case B. in advance C. in return D. in particular 54j
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60. A. effect B. reason C. outcome D. conclusion z2zp c^i
参考答案：51-55：ABBDC 56-60：DCADB
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