A. Healthy people are more likely to get married. B. Happy people do not always get married. C. Married people may not be in love with each other. D. Married people don"t receive good care in old years.
A. The married. B. The unmarried. C. The divorced. D. The widowed.
A. 内部环境 B. 风险评估 C. 控制活动 D. 内部监督
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