As the pace of life continues to increase, we are fast losing the art of relaxation. Butrelaxation 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 thebad thing as it is often supposed to be. A certain amount of stress is vital to providemotivation and give purpose to life. It is only when the stress gets out of __3__ that it can leadto poor performance and ill health.

　　The amount of stress a person can withstand depends very much on the individual. Somepeoplw are not afraid of stress, and such __4__ are obviously prime material for managerialresponsibilities. Others lose heart at the first sight of __5__ difficulties. When exposed tostress, in whatever form, we react both physically and __6__. In fact we make choice between"flight or fight" and in more __7__ days the choices made the difference between life or death.The crises we meet today are unlikely to be so extreme, but however little the stress, itinvolves the same __8__. It is when such a reaction lasts long, through continued __9__ tostress, that health becomes endangered. Since we cannot __10__ stress from our lives itwould be unwise to do so even if we could, we need to find ways to deal with it.

　　A)exposure

　　B)characters

　　C)answer

　　D)chemically

　　E)avoid

　　F)psychologically

　　G)primitive

　　H)transfer

　　I)unusual

　　J)control

　　K)remove

　　L)escape

　　M)response

　　N)backward

　　O)essential