第1题: [单项选择]Which of the following would be the best title for the passage A. Eating Without Gaining. B. Exercise--An Effective Weight-loss Tool. C. Metabolic Changes in Human Body. D. Ways of Weight Control. 参考答案:B 答案解析:本文主要讲述了regular exercise对健康和保持体形的作用,并指出与节食相比,它的有效性。