6．There has been an increase in the technical cooperation and cultural between China and o——青夏教育精英家教网—

摘要：6．There has been an increase in the technical cooperation and cultural between China and other countries in the past ten years. A．change B．trade C．bargain D．exchange

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There has been an increase in the technical cooperation and cultural________ between China and
other countries in the past ten years.

[ ]

A. change
B. trade
C. bargain
D. exchange

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There has been an increase in the technical cooperation and cultural __________ between China and other countries in the past ten years．

change

trade

bargain

exchange

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