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The first steam engine was devised by Thomas Newcomer at the end of the 17th century, and the Scottish inventor ________ modified and improved the design in 1765.
The first steam engine was devised by Thomas Newcomer at the end of the 17th century, and the Scottish inventor ________ modified and improved the design in 1765.
A.Abraham Darby
B.James Watt
C.John Kay
D.Richard Arkwright
正确答案是B
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