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【单选题】

There are ethnic groups originated in Yunnan.

A.
56
B.
25
C.
15
D.
16
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参考答案:
参考解析:
.
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举一反三

【单选题】Which of the following is not the content of the six R-defined logistics?

A.
The right quality
B.
The right time
C.
The right practice
D.
The right place