1. 根据短文内容及首字母提示，填写所缺单词。
How to be a Green One
What does it mean to be green? “Green is more than just a c .It also means taking special steps to protect the e --the water, the land , and the air we breathe. Why is green? Plants are green, and w them the earth wouldn't be such a lovely home for human beings(人类). Here's a four-step guide to be green:
R 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 and less fuel(燃料) because your house uses fuel to run the water heater（加热器）that warms up the water.
Reuse It !
Sometimes we're a little too willing to throw away the w and buy new things. Many times, you no l need something, someone else just might need it. For example, if your baby brother grows out of toys, why not give them to a family who has a little kid?
Recycle(回收) It!
Recycling has n been easier. Many people will pick it up right in front of your house and they will need it. Tell your mum or dad become “Head of Recycling” for your house.
Enjoy It!
It's true that p is a problem, but the earth is still a large and beautiful place for you to go and study. You can start by v the beautiful places in you home town. Go for a hike, visit local nature centres and gardens, climb up mountains and so on.