题目

As the pace of life continues to increase, we are fast losing the art of relaxation.____ you are in the habit of rushing through life, being on the go from morning till night, it is hard to ____ down. But relaxation is ____ for a healthy mind and body.Stress is a ____ part of everyday life and there is no way to ____ it. In fact, it is not the bad thing that it is often supposed to be. A ____ amount of stress is important to provide motivation and give ____ to life. It is only when the stress gets out of control ____ it can lead to poor performance and ____ health.The amount of stress a person11．复数z满足方程|z-1|+|z-i|=2，那么它在复平面内所表示的图形是（　　）A．线段B．圆C．椭圆D．双曲线