A.It is difficult for people living in a Stone Age culture to move into a modern world

外语类 职称英语 已帮助 人

A.It is difficult for people living in a Stone Age culture to move into a modern world.

B.Invention is a new idea to modern people.

C.We human beings have abilities to solve such problems as war and pollution.

D.What we need is demands from others to work for a better future.

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