有线电报发明人为 。
A: Samuel Morse
B: Alexander Bell
C: Guglielmo Marconi
D: Thomas Edison
A: Samuel Morse
B: Alexander Bell
C: Guglielmo Marconi
D: Thomas Edison
举一反三
- Who invented the telephone and made the first phone call A: Robert Einstein B: Alexander Graham Bell C: Thomas Edison
- According to the passage, who opened the outer world to Helen Keller? A: Alexander Graham Bell B: Anne Sullivan Macy C: Mark Twain D: Thomas Alva Edison
- One of the first inventions of Edison was an improvement of Alexander Bell’s telephone.
- 莫尔斯(Morse)发明电报的时间是() A: 1876年 B: 1896年 C: 1837年 D: 1924年
- 智慧职教: 电报是贝尔（Bell）发明的。