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 ? _____________________________________________________________________ 17. 将文中划线( 1 ) 的句子译成汉语 _____________________________________________________________________ 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 . ___________________________________________________________________。