问题
单项选择题
What is the meaning of integration?（）
A.To link some separate factors as a whole chain
B.United
C.To put together
D.Mixture
答案
参考答案：A
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What is the meaning of integration?（）
A.To link some separate factors as a whole chain
B.United
C.To put together
D.Mixture
参考答案：A