In a competitive and fast-paced modern society, busy business executives are so engrossing in their work that they hardly know (1) ______ what the word "leisure" means. The higher an executive’s posi- tion is on the business ladder, the more hours he spends on his work. With a view to gaining greater corporate standing or a big (2) ______ pay rise, he, as a rule, far exceeds over the 40-hour working week. The additional stress and tension (3) ______ as well as the shortage of suitable rest and recreation very often (4) ______ have a disastrous effect on his health. Few such executives rea- lize that unless they learn how to relax, they will soon run of (5) ______ steam before they get to the top of the executive ladder. A not- ed American authority on leisure has said that "The key to relax- ation to busy executives is to avoid the types of activities that are (6) ______ part and parcel of their daily work and to devote themselves to- tally to have recreational pursuits for at least a part of each day, (7) ______ even it is only for half an hour. Those (8) ______ jobs require a great deal of contact with others can engage in ac- (9) ______ tivities that are quiet and peaceful — far from the madding crowd, far from client and business associates." (10) ______