问题
选择题
Therehasbeenanincreaseinthetechnical cooperation and cultural________ between China and
other countries in the past ten years.[ ]
A. change
B. trade
C. bargain
D. exchange
答案
答案:D
Therehasbeenanincreaseinthetechnical cooperation and cultural________ between China and
other countries in the past ten years.[ ]
A. change
B. trade
C. bargain
D. exchange
答案:D