根据句意及母填空。  

1. Lots of people go to work by s______.

2. The disabled man d______ on his parents all his life.

3.  It will take you ten m______  to walk there.

4. Beijing is in the n______ of China.

5. It's about two k______ from here to the downtown of the city.

仔细阅读给定资料，分别回答下列问题。

请用一句话，对“低碳经济”这一经济发展形态作出正确评价。