求阅读解答For an increasing number of students at American university.Old is suddenly in

求阅读解答For an increasing number of students at American university.Old is suddenly in
6.'...old is suddenly in' in Paragraph 1 most probably means '_______'.
A.America has suddenly become a nation of old people
B.gerontology has suddenly become popular
C.more elderly professors are found on American campuses
D.American colleges have realized the need of enrolling older students
7.With the aging of America,lawyers can benefit _______.
A.from the adoption of the "elder law"
B.from rendering special services to the elderly
C.by enriching their professional knowledge
D.by winning the trust of the elderly to promote their own interests
8.Why can businessmen make money in the emerging elder market?
A.Retirees are more generous in spending money.
B.They can employ more gerontologists.
C.The elderly possess an enormous purchasing power.
D.There are more elderly people working than before.
9.Who can make big money in the new century according to the passage?
A.Retirees who are business-minded.
B.The volunteer workers in retirement homes.
C.College graduates with an MBA or law degree.
D.Professionals with a good knowledge of gerontology.
10.It can be seen from the passage that the expansion of America's elderly population ________.
A.will provide good job opportunities in many areas
B.will impose an unbearable burden on society
C.may lead to nursing home abuse and age discrimination
D.will create new fields of study in universities