Lindbergh， an American pilot， was born on February 4，1902， in Detroit．He grew up on a farm near Little Falls， Mississippi．In his childhood， Lindbergh showed unusual mechanical ability．At the age of 18， he entered the University of Wisconsin to study engineering．However， Lindbergh was more interested in the exciting， young field of air travel than he was in school．After two years， he left school to become a pilot performing dangerous tricks．
Lindbergh made the first non-stop flight alone across the Atlantic Ocean on May 20～21， 1927．Other pilots had crossed the Atlantic before him．But Lindbergh was the first person to do it alone non-stop．Lindbergh's unusual action gained him immediate， international fame．The press named him "Lucky Lindy" and the "Lone Eagle"．Americans and Europeans admired the shy， slim young man and gave him a lot of honors．
After the flight，Lindbergh published We，a book about his flight．The title referred to Lindbergh and his plane．Then， he flew throughout the United States to make speeches to encourage air travel on behalf of the Daniel Guggenheim Fund for the Promotion of Aeronautics （航空学）．Lindbergh learned about the pioneer rocket research of Robert H．Goddard， a Clark University physics professor．Lindbergh persuaded the Guggenheim family to support Goddard's experiments， which later led to the development of missiles， satellites， and space travel．
Before Japan attacked Pearl Harbor in 1941， Lindbergh took part in the activities against American involvement （参与） in World War Ⅱ．Many Americans criticized him for this．After the war， he served as an adviser in the aircraft industry．



Lindbergh made the first non-stop flight alone across the Atlantic Ocean at the age of ______ ．

A. 18
B. 20
C. 25
D. 27

Lindbergh stopped his study at university because ______ ．

A. he was more interested in air travel than his study
B. he wanted to make a flight across the Atlantic Ocean
C. he intended to write a book about his flight
D. he did very well in his study and graduated in advance

What can we learn from the second paragraph？ ______

A. Lindbergh had been famous before his flight across the Atlantic．
B. People had no interest in the young field of air travel at the time．
C. Lindbergh was the first pilot to cross the Atlantic．
D. It was very difficult to fly across the Atlantic alone without stopping then．

Which of the following roles did Lindbergh NOT perform in his life？ ______

A. Speechmaker．
B. Writer．
C. Researcher．
D. Adviser．