Ⅰ. 阅读短文,在文中空白处填入1个适当的单词,或用括号内所给单词的正确形式填空。
I am a middle school student. I 1 (take) some simple steps to go green over the past few years. For example, I save water by taking shorter showers 2 turning off the tap when I brush my teeth. I also reuse water if possible. 3 (save) power, I turn off the power when I leave a room. I don't use plastic bags. Instead, I take 4 own bags when shopping. Recycling is 5 good way to help reduce pollution. It can also turn waste into useful 6 (thing). I always separate waste into different groups so that it can 7 (recycle). It is very important for us to protect nature 8 (wise). Moreover, I have developed a green lifestyle. I do more exercise and watch 9 (little) TV.
By 10 (follow) these small steps, I'm sure I can make a big difference to the earth.
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

1. have taken 2. and 3. To save 4. my 5. a 6. things 7. be recycled 8. wisely 9. less 10. following