The high prices for corn--while driving hunger in Africa--ha

The high prices for corn--while driving hunger in Africa--have encouraged other

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We had to be patient because it___________ some time________

We had to be patient because it___________ some time___________we got the full r

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Most importantly, such an experience helps ___________a heig

Most importantly, such an experience helps ___________a heightened sensitivity t

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___________ for the fact that she broke her leg, she might h

___________ for the fact that she broke her leg, she might have passed the exam.

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市场机制的核心机制是(  )。

市场机制的核心机制是(  )。A.竞争机制 B.供求机制 C.价格机制 D.利率机制

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