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【单选题】
智能变电站与传统综⾃变电站的主要区别在于使⽤了不同的通讯标准，智能变电站采⽤的是（）标准。
A.
IEC-60870-5-104
B.
IEC-60044-8
C.
IEC-60870-5-103
D.
IEC 61850
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参考答案：
举一反三
【单选题】Passage Two:Questions 26 to 30 are based on the following passage.If you want to stay young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say that mo...
A.
why certain people age sooner than others
B.
how to make people live longer
C.
the size of certain people’s brains
D.
which people are most intelligent
相关题目：
【单选题】Passage Two:Questions 26 to 30 are based on the following passage.If you want to stay young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say that mo...
A.
why certain people age sooner than others
B.
how to make people live longer
C.
the size of certain people’s brains
D.
which people are most intelligent
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