Health implies more than physical fitness. It also implies mental and emotional well-being

. An angry, frustrated, emotionally 【21】______ person in good physical condition is not 【22】______ healthy. Mental health, therefore, bas much to do 【23】______ how a person copes with the world as she/he exists. Many of the factors that 【24】______ physical health also affect mental and emotional well-being.

Having a good self-image means that people have positive 【25】______ pictures and good, positive feelings about themselves, about what they are capable 【26】______ , and about the roles they play. People with good self-images like themselves, and they are 【27】______ like others. Having a good self-image is based 【28】______ a realistic 【29】______ of one's own worth and value and capabilities.

Stress is an unavoidable, necessary, and potentially healthful 【30】______ of our society. People of all ages 【31】______ stress. Children begin to 【32】______ stress during prenatal development and during childbirth. Examples of stress inducing 【33】______ in the life of a young person are death of a pet, pressure to 【34】______ academically, the divorce of parents, or joining a new youth group. The different ways in which individuals 【35】______ to stress may bring healthful or unhealthy results. One person experiencing a great deal of stress may function exceptionally well 【36】______ another may be unable to function at all. If stressful situations are continually encountered, the individual's physical, social, and mental health are eventually affected.

Satisfying social relations are vital to 【37】______ mental and emotional health. It is believed that in order to, 【38】______ , develop, and maintain effective and fulfilling social relationships people must 【39】______ the ability to know and trust each other, understand each other, influence and help each other. They must also be capable of 【40】______ conflicts in a constructive way.

【21】

A．unstable

B．unsure

C．imprecise

D．impractical