Questions 27—30

A． To highlight the difficulties of finding affordable housing in the future.
B． To illustrate the preoccupations of older citizens with growing older.
C． To describe the lack of public facilities designed for the elderly.
D． To emphasize the importance of medical insurance for the aged.

A． Employees can receive periodic pay increases based on their work.
B． The salary for the position is above the industry average.
C． The start salary is relatively low.
D． Workers are paid on a commission basis depending their sales.