۱. In the central highlands of New Guinea, the sudden … … …

1. In the central highlands of New Guinea, the sudden .......... from the society of the stone ax to the society of sailing ships (and now of airplanes) has not been easy to make. (ارشد صبح جمعه 97)

1) manifestation
2) deterioration
✅ 3) transition
4) sophistication

ادامه سوالات در yon.ir/MA97