第17题: [简答题]The urban environment has to offer as many recreation activities as possible, and the design of these has to be such that more obligatory activities can also have a recreative aspect. (Passage Three ) 参考答案: 答案解析:城市环境应该提供尽可能多的娱乐活动,而且这些活动应该设计成让强制性活动也带有娱乐色彩。