阅读理解

Does anyone know who really shot the president？

　　HE was killed 40 years ago．Since then his memory has been clouded by dark tales of affairs with the likes of Marilyn Monroe(玛莉莲·梦露), and links with the Mafia(黑手党)．

　　But the myth(神话)of John F．Kennedy, the 35th President of the US, will not disappear．As America marked the anniversary of his death in Dallas, Texas, on November 22, 1963, questions were still being asked．

　　The official conclusion was that Lee Harvey Oswald, who worked at a Dallas book storehouse, murdered Kennedy．But all kinds of other ideas have been put forward as to what happened and why．

　　Some people believe Oswald was a madman, who spent some time in Russia and was an admirer of Fidel Castro, president of Cuba．It is said he was inspired by the James Bond spy novels and killed Kennedy as a gift for Castro．

　　But Oswald's brother thought he was a sad and lonely man who murdered the president to get attention and show off his shooting skills．

　　Meanwhile, some experts say that Oswald was really aiming for Texas Governor John Connally．He is said to have been angry with Connally, who was also secretary of the navy, over how he had been forced to leave the service．

　　A large number of people think the truth has been covered up on purpose; even now, surveys show that more than half of Americans believe that Oswald was not working alone．An investigation(调查)found that four shots were fired, with one shot coming from the building that Oswald was in．

　　But two days after the murder, Oswald himself was killed by Jack Rubinstein, a nightclub owner．Rubinstein had Mafia connections and this has led to the theory that they were actually responsible for killing Kennedy．

　　Lyndon Johnson, who became president after Kennedy, has also been accused of being behind it all．According to reports, Johnson was sworn in(宣誓就职)even before Kennedy's death was announced．"We have a really tough decision that we don't want to face．There was a conspiracy(合谋)and people want an answer," said Barr McClellan, who has written a book about the murder．

　　"The myth is very powerful．" said Robert Dallek, a historian at Boston University, who has just published a book about Kennedy．"He was the first president to appear on television．He is frozen in our minds aged 46, forever young, energetic and charming．"

阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。

　　One man tells of driving on a long and lonely road, the last 65 miles of it unpaved, in order to watch Indian dances in the state of Arizona．After the dances, he returned to his car only to find that it had a flat tire．He put on the spare and drove to the only service station in that town．

　　“Do you fix flats?” he inquired of the attendant．

　　“Yes, ” came the answer．

　　“How much do you charge?” he asked．

　　With a twinkle in his eye, the man replied, “What difference does it make?”

　　This is what has been called a “Hobson's choice” ．A Hobson's choice is a situation that forces a person to accept whatever is offered or go without．

　　According to Barbara Berliner, the phrase was inspired by sixteenth－century entrepreneur(企业家)Thomas Hobson．There was no choice by the customer－it was strictly Hobson's choice．

　　But often we really have a choice, and the choice does make a difference．We may not always believe it．We may feel as if we have no choice, but almost always there is a choice in the matter．And when we realize that we do most things by choice, then we are taking control of our own lives．

　　Someone challenged me to try an experiment that completely changed my perspective(看法，观点)．“For the next seven days, ” he said, “remove the words ‘I have to’ from your vocabulary and say ‘I choose to’．Don't say, ‘I have to work late tonight’．Instead, say, ‘I choose to work late’．When you choose to do it, you take control of your life．Instead of saying ‘I have to stay home’, try ‘I choose to stay home’．The way you spend your time is your choice．You are responsible．You have control．”

　　In just seven days I was no longer saying “I have to”and I felt better about my decisions．I learned that there is very little in my life I actually have to do．You and I decide to do certain things because we believe that it will be for the best．When we remove “I have to” from our vocabularies, we take control．

　　Try it for a week and you see what happens．I think you'll see it's a change for the better．