阅读理解。 Bill Clinton took office on January 20,1993 and became the 42nd U.S president. He is the first U.S president who was born after World War II. He is also one of the youngest of all U.S presidents. Clinton was born in a poor family in 1946. Three months before he was born, his father, William Blats, died. When he was small, his mother remarried Norger Clinton, so the boy's family name was changed. In the summer of 1963, Clinton was asked to visit the city of Washington. During his visit, he met President Kennedy in the White House. At that time, he wanted to become a president, and later, he was! 1. When Clinton became the 42nd U.S president he was __________. A. thirty B. about forty C. about forty-seven D. about fifty-five 2. Clinton's father died __________. A. after 1946 B. before Clinton was born C. when Clinton was young D. before World War II 3. Why was the boy's name changed? A. Because he became a president. B. Because his family was very poor. C. Because his mother remarried Norger Clinton. D. Because his father was dead. 4. In 1963, Clinton came to the city of Washington __________. A. for his holidays B. for a visit C. to have a meeting with Kennedy D. to live in White House 5.Which one of the following is right? A. Everybody can visit the president in the White House. B. All the U.S presidents work in the White House. C. Clinton wanted to become a president after he saw President Kennedy D. Clinton didn't want to change his family name.