Unit 4 Wildlife protection
话题：保护野生动物的重要性
体裁：议论文
写作思路：
点明主题；阐明理由；发出呼吁。
We must take action at once to protect wild animals because animals are not only treasure of nature but also our friends.Besides，animals help keep the balance of nature and make the earth more lively and more attractive.It is hard to imagine what our world would be like without animals.What we know for sure is that humans would be very lonely if all the animals died out one day.So let's live in harmorny with animals and try our best to protect them becau se protecting them is protecting ourselves.
