第23题: [单项选择]The sentence "our life span outpaces our usefulness" means we can live longer ______. A. and make progress B. and do more work C. but move slowly D. but become useless 参考答案:D 答案解析:[分析] 细节题型。
根据第三段的最后一句It appears that our life span is outpacing our usefulness in society.outpac
第24题: [单项选择]下列不属于城乡差别的选项是()。 A. 婚恋观念 B. 衣着打扮 C. 消费能力 D. 居住场所 参考答案:D