Unit 121：Have a walk for lunch第121单元：利用午餐时间散步Over the course of a year,Carla Moore lost 100 pounds at lunchtime.Her secret?在过去一年的时间里 ，卡拉·摩尔利用午餐时问瘦了一百磅。她的秘诀是什么呢？The efficient office manager simply took a long walk every day instead of eating a big meal.这位做事很有效率的办公室经理所做的只不过是每天走一大段路来代替一顿丰盛的大餐。Not that she didn't eat,but a couple of rice cakes and cup of yogurt filled her up.这并不是说她完全没吃东西，而是她只吃了几块米糕和一杯酸奶就饱了。"Exercise cuts back on my appetite,"Moore says."Or maybe I felt so good about myself that I didn't feel like pigging out."摩尔说:“可能是运功减低了我的食欲，也可能是我觉得自己目前的身体状况蛮好的而不想大吃大喝吧。”