题目

阅读下面短文，从方框中选出适当的词，并用其正确的形式填空，使短文意思完整。每词限用一次。 throw     me     protect     good     light   It’s very important for everyone to protect the environment. As a student, I always try my  1  to save energy at home. I turn off  2  when I don’t need them. And I try to save water when I wash the dishes. I don’t  3  bottles or newspaper away because it’s better to recycle them. I think everyday activities at home can make a difference to the environment. I feel proud of  4 , 在(　　)里填上适当的分数． 250克＝(　　)千克