One day Einstein is walking in a street in New York. His friend meets him and says to him,
"Einstein, you should buy a new coat. Look, your coat is very old." 
     But Einstein answers, "it doesn't matter. Nobody knows me here." 
     After a few years, Einstein becomes a famous scientist (著名科学家). But he still wears the
old coat.
     His friend meets him again and asks him to buy a new one.
     But Einstein says, "I don't need to buy a new one. Everyone knows me here."

1. Einstein lived in ______.

A. England
B. China
C. America
D. Japan

2. Einstein's coat is very old. His friend ______.

A. gives him a new one
B. asks him to buy a new one
C. help him buy a new one
D. help him mend the old one

3. Einstein doesn't want to buy a new one because ______.

A. nobody knows him
B. he likes the old one
C. he has no money
D. he isn't interested in his clothes

4. Some years later Einstein ______.