Who was the most famous of all American

题库2022-08-02  50

问题 Who was the most famous of all American inventors and invented electric lamp,phonograph,motion pictures and parallel circuit?A.John StevensB.Alexander Graham BellC.Thomas Alva EdisonD.John H.Hall

选项 A.John Stevens
B.Alexander Graham Bell
C.Thomas Alva Edison
D.John H.Hall

答案 C

解析 托马斯·埃尔瓦·爱迪生是美国最著名的发明家,他的重要发明包括:白炽灯、留声机、电影、并联电路等。
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