1 . Seeing the falling plane, painful memories of terrorist attack on Sept. 11, 2001 ______ (闪过) across his mind. (根据汉语提示单词拼写)

2 . In addition, studies show that c________ eating habits, for example, taking three meals a day at the same time each day, are better for our health. (根据首字母单词拼写)