在线学英语 体验请申请：2洛基英语，中国在线英语教育领导品牌【阅读练习】As the pace of life continues to increase, we are fast losing the art of relaxation. But relaxation is _1_ for a healthy mind and body.Stress is a natural part of everyday life and there is no way to _2_ it. In fact, it is not the bad thing as it is often supposed to be. A certain amount of stress is vital to provide motivation and give purpose to life. It is only when the stress gets out of _3_ that it can
