1 . 自从上海实行了垃圾分类后，循环利用了很多资源，变成了一座生态友好型城市。（since）(汉译英)
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2 . 
从下面选出适合的选项。
1. tourists who are friendly to the environment when going travelling( )
2. protection of the environment( )
3. energy obtained from solar power( )
4. fuel such as coal, oil, which is formed over millions of years from the remains of animals or plants( )
5. the process of making air, water, soil etc. dirty( )
6. not harmful to the environment( )
从下面选出适合的选项。
1. tourists who are friendly to the environment when going travelling
2. protection of the environment
3. energy obtained from solar power
4. fuel such as coal, oil, which is formed over millions of years from the remains of animals or plants
5. the process of making air, water, soil etc. dirty
6. not harmful to the environment
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