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How should we understand the social benefits of a sustainable transportation system?A.It s

2020-09-24 23:28:50 学历考试 阅读

问题详情

How should we understand the social benefits of a sustainable transportation system?

A.It should be efficient.

B.It should be safe.

C.It should be friendly.

D.It should be constructive.

请帮忙给出正确答案和分析,谢谢!

参考答案

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