单选题 To absorb a younger work force, many companies offered retirement plans as {{U}}incentives{{/U}} for older workers to retire and make way for the younger ones who earned lower salaries.
  • A. rewards
  • B. opportunities
  • C. motives
  • D. stimulus
【正确答案】 A
【答案解析】[解析] incentive“激励，鼓励”，四个选项：reward“奖赏”；opportunity“机会”；motive“动机，目的”；stimulus“刺激物”；所以A项符合题意。