Thomas Edison lit up the world with his invention of the electric light.Without him，the world might still be in the dark.However，the electric light was not his only invention.He also invented the motion picture camera an many other things.About every two weeks he created something new.
   Thomas Edison was born in 1847.He attended school for only three months.His mother taught him at home，but Thomas was mostly self-educated.He started experimenting at a young age.
   When he was 12 years old，he got his first job.He became a newsboy on a train.He did experiments on the train in his spare time.Unluckily，his first work experience did not end well.They fired him when he accidentally set fire to the floor of the train.Then Edison worked for five years as a telegraph operator，but he continued to spend much of his time in experimenting his first patent （專利權(quán)） in 1868 for a vote recorder run by electricity.
   Thomas Edison was totally deaf in one ear and hard of hearing in the other，but he thought of his deafness as a blessing in many ways. It kept conversations short，so that he could have more time for work.He always worked 16 out of every 24 hours.Sometimes his wife had to remind him to sleep and eat.Thomas Edison died at the age of 84.jye.ai left a great many inventions that greatly improved the quality of life all over the world.

（1）How often did Edison make a new invention？

A

A

A．About every fourteen days.
B．About every seven days.
C．About once a week.
D．About twice a week.
（2）What does "it" in paragraph four refer to？

B

B

A．hearing.
B．deafness.
C．blessing.
D．work.
（3）What can be the best title of the passage？

D

D

A．The function of the electric light.
B．Edison and his experiments.
C．The importance of inventions.
D．The whole life of Edison.