The term " quality of life" is difficult to define. It【C1】______a very wide scope such as living environment, health, employment, food, family life, friends, education, material possessions, leisure and recreation, and so on.【C2】______speaking, the quality of life, especially【C3】______seen by the individual, is meaningful in terms of the degree【C4】______which these various areas of life are available or provide【C5】______for the individual. As activity carried【C6】______as one thinks fit during one’s spare time, leisure has the following【C7】______: relaxation, recreation and entertainment, and personal development. The importance of these varies according to the nature of one’s job and one’s life style.【C8】______, people who need to【C9】______much energy in their work will find relaxation most【C10】______in leisure. Those with a better education and in professional occupations may【C11】______more to seek recreation and personal development(e. g.【C12】______of skills and hobbies)in leisure. The specific use of leisure【C13】______from individual to individual. .【C14】______the same leisure activity may be used differently by different individuals. Thus, the following are possible uses of television watching, a【C15】______leisure activity, a change of experience to provide【C16】______from the stress and strain of work; to learn more about what is happening in one’s environment; to provide an opportunity for understanding oneself by【C17】______other people’s life experiences as【C18】______in the programs. Since leisure is basically self-determined, one is able to take【C19】______his interests and preferences and get【C20】______in an activity in ways that will bring enjoyment and satisfaction. 【C3】

A. when
B. as
C. while
D. which