试题题干
The paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Choose the missing words of the phrase or sentence.
Exercise's supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weighty while those who worked exercise into their daily routine maintained their new weight.
Exercise to （） fit.
参考答案
正确答案：
试题解析
本段主要讲述的是运动对减肥的辅助作用。运动对减肥的辅助作用是至关重要的。波士顿大学医学中心对超重的警务人员和其他公职人员进行了调查，证实了那些只节食不运动的人几乎都恢复到了之前的体重，而那些每天坚持运动的人会维持他们的新体重。keep 保持，经营。