[单项选择]Thomas Edison, a great ___________inventor, was born in 1874.


A. French
B. American
C. British

[单项选择]The greatest inventor Thomas Edison said that his success should be （　） to 10% inspiration and 90% perspiration.
A. contributed
B. executed
C. attributed
D. devoted

[单项选择]Thomas Edison's office was always disorganized with books and papers.
A. discarded
B. scattered
C. sorted
D. decorated

[单项选择]Thomas Edison, CFA, is an investment consultant in the London office of Dalton Securities and forecasts next year's performance of securities market. According to Chebyshev's inequality, the minimum proportion of observations falling within ±3 standard deviations of the mean is closest to:（）
A. 50%
B. 89%
C. 94%

[单项选择]It is said in the book that Thomas Edison(1847～1931)（）the world leading inventor for sixty years.
A. would be
B. has been
C. had been
D. was

[单项选择]It is said in the book that Thomas Edison ( 1847～1931 )______the world leading inventor for sixty years.


A. would be
B. has been
C. had been
D. was

[单项选择]Thomas Edison was responsible for many _____in addition to the light bulb.
A. inventions
B. imaginations
C. instructions
D. innovations

[单项选择]It is well known that Thomas Edison ______ the electric lamp.
A. invented
B. discovered
C. found
D. developed

[单项选择]It was Thomas Edison that ________ the electric lamp.
A. invented
B. discovered
C. designed
D. developed

[单项选择]

Thomas Alva Edison lit up the world with his invention of the electric light. Without him, the world might still be a dark place. However, the electric light was not his only invention. He also invented the phonograph(留声机), the motion picture camera, and over 1,200 other things. About every two weeks he created something new.
Thomas A. Edison was born in Milan, Ohio, on February 11, 1847. His family moved to Port Huron, Michigan, when he was seven years old. Surprisingly, he attended school for only two months. His mother, a former teacher, taught him a few things, but Thomas was mostly self-educated. His natural curiosity(好奇) led him to start experimenting at a young age with electrical and mechanical things at home.
When he was 12 years old, he got his first job. He became a newsboy on a train that ran between Port Huron and Detroit. He set up a laboratory in a baggage car of the train so that he could continue his experiments in his spare time. Unfortun
A. a disadvantage
B. a blessing
C. something from a priest
D. a necessity