The invention of steam engine greatly sped up the industrial revolution, which a lot to the take-off of the world.
A. led
B. contributed
C. constructed
D. exposed
网友回答
A. led
(答案→)B. contributed
C. constructed
D. exposed
解析：考查动词搭配辨析：A. led是不及物动词，lead to“导致”B. contributed及物和不及物都可以，contribute （sth）to“对…有贡献”，C. constructed建设 D. exposed暴露，句意是：蒸汽机的发明大大加速了工业革命的进程，这对世界的腾飞有很大的贡献。选B。