阅读下列短文，根据其内容完成后面各项任务。
"Green ” is more than just a colour. It means that you should live to protect the environment . -- the water , the land and the air . You can be a green kid by following these steps .
Reduce( 减少） it.
When you use less of something , you do a good thing for the Earth . For example , a shorter shower means you use less water . ( 1.) Turn off the water when you are brushing your teeth .
Reuse it .
Many times , even if you don' t need something ,someone else might just need it . For example , if your younger sister does' t play with her bear toy , you can give ( 2.) it to your neighbour . Try to change books, toys , even clothes with friends .
Enjoy it .
It 's true that pollution is a great problem now , ( 3.) ____________ the Earth is still a beautiful and interesting place to explore ( 探索 ）. Go for a hike ( 远足 ） ,visit nature centres , and gardens , climb mountains and take a boat in the rivers …. Outdoor activities are good for you . You can also plant trees ,collect reusable (可重复使用的）things …
根据短文内容，完成下列各题。
16.回答问题：How many steps ( to be a green kid ) are mentioned in the passage ?
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17. 将文中划线( 1 ) 的句子译成汉语
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18 文中划线 ( 2 .) 的 “it”指代的是什么？ _____________________.
19. 在文中划线部分 （ 3 .）的 空白处填上一个恰当的连词使句子通顺完整，符合逻辑。_________
20.从文中找一个句子与所给句子意思相同的句子。
It is so easy to be a great kid .
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应满足的条件是：( )
