第一节． 完形填空（共40小题；每小题1.5分，满分60分）
阅读下面短文，掌握其大意，然后从1-20各题所给的A、B、C、D四个选项中，选出最佳选项。
A
The journey my daughter Cathy has had with her swimming is as long as it is beautiful.
Cathy suffered some terrible __1 in her early childhood. After years of regular treatment, she _ 2__ became healthy.
