单项选择题

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.

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热门试题

单项选择题

The primary purpose of obedience training is to______.

A．teach the dog to perform clever tricks
B．make the dog aware to its owner's authority
C．provide the dog with outlets for its wild behavior
D．enable the dog to regain its normal behavior

单项选择题

An effective way to prevent the burnout of young athletes is______.

A．to make sports less competitive
B．to make sports more challenging
C．to reduce their stress
D．to increase their sense of success