题目

Ⅲ 阅读 (共两节，满分40分) 第一节 阅读理解 (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A、B、C和D项中，选出最佳选项， 并在答题卡上将该项涂黑。 Parents and kids today dress alike, listen to the same music, and are friends. Is this a good thing? Sometimes, when Mr. Ballmer and his 16-year-old daughter, Elizabeth, listen to rock music together and talk about interests both enjoy, such as pop culture, he remembers his more distant relationship with his parents when he was a teenager. “I would never have s下列说法中，不正确的是（　　）A．不是一次函数就一定不是正比例函数B．正比例函数是一次函数C．不是正比例函数就不是一次函数D．一次函数不一定是正比例函数