The first known electric locomotive was built in 1837 by chemist Robert Davidson in England.
The first known electric locomotive was built in 1837 by chemist Robert Davidson in England.
A.正确
B.错误
正确答案:错误
The first known electric locomotive was built in 1837 by chemist Robert Davidson in England.
A.正确
B.错误
正确答案:错误
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