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