先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。所填单词必须在答题卡 标有题号的横线上完整写出。
Wild animals are important to us. They live t  1   with us on the earth. If there are no animals on the earth, we will not live on, e  2  . So we should take good care of them to help the earth live a h  3 life.
But some people still don’t r   4  the importance of protecting them. They kill wild animals for food and something e  5  . Every day many wild animals are being killed. So far, lots of wild animals have died out. If this goes on, there will be no animals l  6  on the earth.
L  7  , many people have begun to know the importance of protecting wild animals. They ask others to stop killing wild animals. Now many countries have made some l  8    to protect wild animals and to stop people from killing them.
Protecting wild animals is the d  9   of each of us. We should do our best to protect them because protecting them is protecting o  10  too.