The problem is very difficult, so many students can’t ． [ ] A．work them out B．work it out C．work out them D．work out it 题目和参考答案——青夏教育精英家教网—

用方框中所给单词的适当形式填空，使短文通顺、正确、连贯(每个单词限用一次)。

How to be a Green One

　　What does it mean to be green?“Green”is more than just a 　　1　　．It also means taking special steps to protect the environmee land, and the air we breathe．Why green?Plants are green, and 　　2　　 them the Earth wouldn't be such a lovely human beings．Here’s a four－step guide to being green：

　　Reduce It!

　　When you use less of something, you dg for the Earth．For example, a shorter shower means you use 　　3　　 water and less fuel(燃料)　　4　　 your house uses fuel to run the water heater that warms up the water．

　　Reuse It!

　　Sometimes we’re a little too willing to things and buy new things．Many times, if you no 　　5　　 need something, someone else just might need it．For example, if your baby brother grows out of 　　6　　, why not give them to another has a little kid?

　　Recycle It!

　　Recycling has never been easier．Many people will 　　7　　 it up right in front of your house and they will need it．Tell your mom or dad become“Head of Recycling”for your house．That means you’ll take the recyclable things in dustbins tell others 　　8　　 things can be recycled．

　　Enjoy It!

　　It’s 　　9　　 that pollution is a proble remains a huge and beautiful place for you to go and study．You can start by 　　10　　 the naturally beautiful places in your hometown．Go for a hike, visit local nature centers and gardens, climb up mountains and so on．

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