单项选择题Before accepting a gift in Japan, it is ___ to modestly refuse at least once or twice before finally accepting. And then accept it with both hands, saving it to open later. A、impolite B、polite C、strange D、abnormal
多项选择题幸福美好的退休生活需要具备（ ）要素。A. 健康的身体B. 良好的家庭关系 C. 兴趣爱好D. 充裕的资金
