第一部分 阅读理解( 共两节，满分30分)
第一节（共15小题;每小题1.5分，满分22.5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。
A
A migraine can cause disabling pain. People may not feel back to normal for hours or even days. Migraines are most common among young adults and middle-aged people. In the United States, about eighteen percent of women and six percent of men percent of men report having migraines.
