The numbers and species of wild animals are getting fewer and fewer in recent years.Their foods are being contaminated, habitats are being destroyed. Various production activities of people have been a serious threat to their survival. Wild animals are very important to our human development, they help to maintain the balance of the ecosystems. If wild animals continue to decline, the ecosystem could one day be destroyed, thus human survival and development would be seriously threatened.So, let us work together to protect wild animals from now on. Do not hunt and kill wild animals, do not to eat their meat. To protection wild animals is to protect ourselves.
问: my books and tapes are (in the bookcase). 的意思