体质改善方法

例句：

1. 1.The company's profits have improved significantlysince the new manager took over.
   自从新经理上任以来，公司的盈利显著提高。
2. 2.The teacher suggested that we improve our readingskills by reading more books.
   老师建议我们通过多读书来提高阅读技能。
3. 3. Theteam has been working hard to improve theirperformance in the upcoming competition.
   团队一直在努力工作，以提高他们在即将到来的比赛中的表现。