1957年在研究了美国东北部大西洋沿岸的城市群以后,首先提出了大都市带的概念是(  )。

1957年在研究了美国东北部大西洋沿岸的城市群以后,首先提出了大都市带的概念是(  )。

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Questionsarebasedonthefollowingpassage.We can learn from the

Questionsarebasedonthefollowingpassage.We can learn from the survey reported by

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What does the phrase “way ahead of the curve”( Line 4,Para.4

What does the phrase “way ahead of the curve”( Line 4,Para.4) mean?

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