单项选择题
A．job changes have career advantages B．it's boring to work in only one company C．only the employer benefits from such employment D．stable employment seldom offers better opportunities
A．it is still well-received by all the staff members today B．it is valuable to the employer and the employees C．it is helpful for attracting young employees D．it is both useful and interesting
A．do their work more easily B．more interested in their work C．willing to invest money into the company D．possess the necessary qualities for the job