(2014·北京海淀模拟)Only by improving education and high science technology can a country become a(n)________one.
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A
advanced
B
bored
C
astonished  
D
convinced
推荐题目
In     , when he was in       , he went abroad to study in America.
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A
the 1980s; his twenties
B
1980s; the twenties
C
the 1980s; the twenties
D
1980s; his twenties
The house rent is expensive. I’ve got about half the space I had at home and I’m paying _____here.
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A
as three times much
B
as much three times
C
much as three times
D
three times as much