关于环境保护的英语作文范文

killing off certain rare species is prohibited; national parks should be set up as wild life, reserves.Only if we human beings take some drastic measures can wild animals be preserved.保护野生动物 许多野生动物正面临绝种的危险，因为它们生活的环境发生了极大的变化。譬 如，随着城市的发展...