At age 70, () turned his attention more closely to railroads, establishing a new conglomerate that r
10 查阅
At age 70, () turned his attention more closely to railroads, establishing a new conglomerate that revolutionized rail operations by standardizing procedures and timetables, increasing efficiency and decreasing travel and shipment times.
A.Richard Trevithick
B.George Stephenson
C.James Strowbridge
D.Cornelius Vanderbilt
参考答案: