2．One day when the famous American scientist Edison was on his way home，a young man stopped him and required to have a word with him．Edison accepted his request．
The young man asked，"How can you invent so many things and achieve your fame？"
The scientist said，"It seems that you have been thinking of becoming famous every day．"The young man nodded，"Yes．I have been dreaming of being a person as notable（著名的）as you．Every minute I am thinking of how to become reputable．I don't know when I can achieve my fame．"
Edison told him，"Don't worry，young man．If you want to be a famous man this way，you will have to wait until you die!"
"Why should I？"the young man was puzzled．
Edison said，"What you dream is actually a high building．You never think of how to build it with bricks．Thus the building will never come into reality．However，your story can serve as a mirror．People will remember you because of your illness and laziness．They will often speak of your name while they give warnings to their children．Aren't you a notorious（声名狼藉）person by then？"
20．What happened to Edison when he was on his way home？C
A．A beggar stopped him．
B．A robber stopped him．
C．A man wanted to speak to him．
D．A man wanted to have words with him．
21．The man asked Edison to tell himB．
A．how to invent new things
B．how to become famous
C．how he became a nobleman
D．how to become a scientist
22．After hearing Edison's talk，the young man was puzzled because Edison told himA．
A．he would die before he was famous
B．he would be famous before he died
C．he would die after he was famous
D．he would never be famous
23．The man didn't achieve his fame becauseD．
A．his wish was too high
B．he was too stupid
C．he didn't learn from others
D．he was short of hard-working spirit
24．The story mainly tells usC．
A．a person needs high spirit
B．one shouldn't dream of becoming famous
C．only by hard work can one's wish come into reality
D．one person shouldn't be idle and lazy．
