The proportion of elderly people in the population is steadily growing______ they live lon

_____ the compression ratio, _____ the proportion of the heat energy of the combustion tur

Many elderly people are suffering from the ______ disease, rheumatism, as a consequence of

Which of the following countries had the highest proportion of international marriage in 2

Personal Social Services in the UK assist the following people EXCEPTA．elderly people.B．di

The faces of elderly, happily-married people sometimes resemble each other. Dr. Aiken stud

the better the elderly people are known,（)they are.A. the happierB. the happyC. so happ