2013 年医学考博真题（完形部分） ~LVa#
Video game players may get an unexpected benefit from blowing away bad guys C8?/$1|RL
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better vision. p"T4;QBxQ
Playing “action” video games improves a visual ability _51_ tasks like &~j"3G;e
reading and driving at night, a new study says. This ability, called contrast sensitivity . &e,8
function, allows people to discern even subtle changes _52_ gray against a uniformly M 1^pW 6 3
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a PtHT >
regular regimen of action video game training can provide long-lasting visual power, +,smjg :O
according to work led by Daphne Bavelier of the University of Rochester. g$< @!
Previous research shows that gaming improves other visual skills, such as the ability a^2?W
to track several objects at the same time and _54_ attention to a series of fast-moving +h
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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 cv^^NgQ
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The new work suggests that playing video games could someday become part of 9 Hm!B )Y
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. ;a68>5Lm*
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games ,3^N_>d$W
should help the optical system to recover faster and better, you need to retrain the brain Bdq/Ohw|!
to make use of the better, crisper information that’s coming in _57_ your improved hX;xbl
eyesight”. U'@_fg
Expert action gamers in the study played first-person shooters Unreal Tournament r:u5+A
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a ^*iZN
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“life simulation” video game. The players of nonaction video games didn’t see the same vHao
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vision _58_, the study says. Bavelier and others are now trying to figure out exactly why _$1W:!f4
action games _59_ seem to sharpen visual skill. It may be that locating enemies and ?bbguwo~F
aiming accurately is a strenuous, strength-building workout for the eyes, she said + ('jqbV
another possible _60_ is that the unpredictable, fast-changing environment of the nk v zv
typical action game requires players to constantly monitor entire landscapes and analyze |vzGFfRI
optical data quickly. ]92@&J0w
51. A. crucial for B. available in C. resulting from D. ascribed to >V NMQ
52. A. in disguise of B. in shade of C. in search of D. in place of rNZN}g
53. A. This is how B. That’s why C. It is not that D. There exists P _ w+p"@m
54. A. paid B. pays C. pay D. paying 4j/8Otn
55. A. though B. not to say C. not just one D. as well `57ffQR9
56. A. Until B. While C. Unless D. Once xAsbP$J
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57. A. as opposed to B. in addition to C. as a result of D. in spite of JgEpqA12
58. A. benefit B. defects C .approaches D. risks H +-9R
59. A. in case B. in advance C. in return D. in particular g,9o'fs`x
60. A. effect B. reason C. outcome D. conclusion 2T iUo(MK
参考答案：51-55：ABBDC 56-60：DCADB YwEXTy>0
