It can be inferred from the text that______．
A. the improvement of average reaction time of American is oweing to fast’action video game playing
B. accute perception of surrounding information is essential to human being’s survival in this society
C. more and more Americans will be advocated to play fast-action video games because it can help to reduce accidents on roads
D. not all video games will lead to better perceptual skills
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Which proverb can best illustrate the attempt of senator John Vratil？
A. Km the goose that laid the golden egg．
B. You cannot eat your cake and have it．
C. Beating the grass and startling the snake．
D. Killing two birds with one stone．
A.impressB.proveC.improveD.preach
A. impress
B. prove
C. improve
D. preach
A.laidB.clearedC.pavedD.set
A. laid
B. cleared
C. paved
D. set
我国的农产量抽样调查经常采用（）方法。
A. 直接观察法
B. 报告法
C. 采访法
D. 登记法
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