【简答题】Alexander Graham Bell was born in Scotland and first came to the new world for his health, (1) in 1890 and later to Washington,D. C. at the age of 24. He is widely known for his invention of the telep...
【简答题】阅读理解 A new book claims to have definitive evidence of a long-suspected technological crime-that Alexander Graham Bell stole ideas for the telephone from a competitor, Elisha Gray. In The Telephone Gam...