题目内容：

阅读下面材料，在空白处填入适当的词(1个单词)或括号内单词的正确形式。

What defines a healthy city Is it a place with a lot of open spaces1.people can exercise and enjoy the fresh air A place with little or no pollution A place in which people can 2.(free) socialize and express their ideas Perhaps, it’s all that plus more. Other considerations are the availability of health and fitness facilities, an excellent healthcare program and sincere efforts by3.local government to actively promote health and wellness among its citizens. Of all the cities in the world, one of the top six 4. (healthy) cities is Copenhagen, Denmark.

Copenhageners love to walk. Foot traffic accounts5.80% of all traffic in the Copenhagen city center. Those who prefer can also bike. It is estimated that more than a third of all work trips in Copenhagen6.(carry) out on a bike. As for the climate here, the city does not have the blessing of pleasant weather all year round.7.everything starts to freeze, it turns several city squares into huge skating fields. The frozen parts of the city also make8.easier for residents to skate around. The city also has museums and art galleries for the kids and9.(grown-up). It has the Royal Danish Academy of Fine Art and the Royal Library housed in a rather grand building10.(call) the Black Diamond.