Therehasbeenanincreaseinthetechnical cooperation and cultural________ between China and other countr

题目简介

Therehasbeenanincreaseinthetechnical cooperation and cultural________ between China and other countr

题目详情

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
题型:单选题难度:中档来源:山西省同步题

答案

D

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