第25题: [单项选择]假设某种商品住宅的价格从2000元/m2上升到2500元/m2,其需求量从800套减少为500套。采用中点法计算该种商品住宅需求的价格弹性为( )。 A. 0.22 B. 0.46 C. 2.10 D. 2.45 参考答案:C 答案解析:采用中点法计算该种商品住宅需求的价格弹性如下: 价格变化的百分比=[*] 需求量变化的百分比=[*] 需求的价格弹性=[*]
第34题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Detective stories. B. Stories about fail escapes. C. Love stories. D. Stories about royal families. 参考答案:C 答案解析:[听力原文]
W: I’d love to see a different type of movie for a change. I’m tired of movies about romanti