单项选择题


A．benefited
B．effected
C．worked
D．produced
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单项选择题
The phrase the best and brightest brains in the last paragraph means______.
A．the freshest ideas
B．the most uselul res,,urces
C．the must brilliant minds
D．the most advanced technologies
单项选择题
It can be inferred from the passage that steel consumption______.
A．has nothing to do with economical development
B．has something to do with economical development
C．has little to do with economical development
D．has much to do with economical development
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