To start with， China is ready strengthen scientific and technological coopera tion with many countries.?
首先，中国准备和许多国家加强科学技术合作。
Wolves are highly social animals whose success depends upon their coopera-tion.
◎狼是高度群体化的动物，它们的成功依赖于合作。
Wolves are highly social animals whose success depends upon their coopera-tion.
◎狼是高度群体化的动物，它们的成功依赖于合作。
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