A. a longer life expectancy for most people
B. artists are adroit in dealing with their painting subject
C. engage in the medical profession
D. careful study and experimentation
E. the chief centers for medical care in most countries
F. science and technology
With the development of the medicine, clinics and hospitals have become______.

Although children under five represent only 10 per cent of the world’s population, they bear 40 per cent of the global disease (12) , says the WHO. And as much as one-third of the total burden of disease may be caused by environmental (13) .
World Health Day has been celebrated on April 7th (14) 1950. Each year the WHO chooses a theme to highlight areas of particular concern. Last year’s (15) More for Health, focused on promoting physical activity as part of healthy living.
infection n.感染

sanitation n. (环境)卫生
hazard n. 危险,危害
drowning n.溺死
puppet n. 木偶

A. one should identify the virus which causes it
B. one should consult a doctor as soon as possible
C. one should take medicine upon catching the disease
D. one should remain alert when the disease is spreading