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第三部分  阅读理解（共20小题；每小题2分，满分40分） 第一节（共15小题；每小题2分，满分30分）        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，并在答题卡上将该项涂黑。 Jordan Makes Basketball Hall of Fame        Last Monday, the former Chicago Bulls great was elected to the 2009 Basketball Hall of Fame class, adding another honor to his long list of accomplishments. With incredible acrobatic (特技的) moves and slam dunks(灌篮), Jordan was a 14-time NBA All-Star, a five-time函数y=中，自变量x的取值范围是    ．