单项选择题




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单项选择题
Assume that in 1990 there were 3,000,000 fourth-graders in the United States. How many fewer of those 3,000,000 students used a computer in school at least once a week in 1994 than in 1990
A． 100,000
B． 250,000
C． 500,000
D． 600,000
E． 750,000
单项选择题
UPROARIOUS : AMUSING ::
A． treacherous : steadfast
B． tumultuous : windy
C． menacing : aghast
D． repugnant : disagreeable
E． devious : clever
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