当前位置：首页 >
英语国家概况(00522) > 正文内容
Scottish inventor ____ modified and improved the design of steam engine and produced a very efficient one with rotary motion in 1765.
Scottish inventor ____ modified and improved the design of steam engine and produced a very efficient one with rotary motion in 1765.
A.James Watt
B.John Kay
C.Richard Arkwright
D.Samuel Crompton
正确答案是A
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明：本文由翰林刷题小程序授权发布，如需转载请注明出处。