Câu hỏi 16. Câu hỏi 16-20: Environment, housing, employment and nutrition are all factors that affect our quality of life. Health is, however, possibly the most important element. With good health, people can function to their fullest capacity and provide for those (16) _______ are incapable of providing for themselves -the elderly, the sick and children. Health is not just absence of disease, though freedom from disease is of major importance. (17) _______ is the state of total physical, mental and social well-being. To be healthy, people need a reasonable (18) _______ of physical labour, a decent environment, which includes sanitation and clean water, a balanced, dear diet, and adequate rest. In developing countries, diseases are not the on (19) _______ of high mortality rates. Unhealthy or exhausting work, crowded living conditions, too little food and a poor diet are also prime causes of the numbers of deaths. Providing basic health care and preventing and treating disease are primary goals today. Hygiene and immunization programs must be available to all. Health care (20) _______ everybody cannot be just a noble aim; it must be a basic human right.