【答案解析】[听力原文]
The Best Age to Be
What is age? /Age can be described as that period of time /that a person has lived or is expected to live. /It can be thought of in three main periods. /Childhood is a time when there are few responsibilities to make life difficult. /Adulthood is when the young person has reached maturity, /having fully grown, both physically and mentally. /Old age to some is the worst age to be, /especially to those who feel that they are useless and unwanted. /With old age should come wisdom and the ability to give wise advice to help others. /How often one hears children wishing they were grown up, /and old people wishing they were young again. /Each age has its pleasure and its pains, /and the happiest person is the one who enjoys what each age gives him /without wasting his time in useless regrets.