文章大意:这是一篇说明文。文章主要说明了野生动物诞生于数十亿年前,它们曾经快乐地生活在自己的家园中,与其他动植物和谐相处。然而,近年来,动物正以惊人的速度灭绝,平均每天灭绝75种。文章解释了造成这一现象的原因。
3 . 根据汉语提示用本单元词汇的正确形式填空
Wildlife 1 (开始存在) billions of years ago, which used to live happily in their own homes and live 2 (与……和谐相处) other animals and plants. However, in recent years, animals are 3 (灭绝) at an alarming rate, 75 species every day 4 (平均). In order to obtain their parts, organs, or the skin and fur, or to obtain high 5 (利润), human beings ignore animal protection laws, engaging in 6 (违法的) killing. Furthermore, human activities have direct or indirect 7 (消极影响) animals. 8 (一方面), the expansion of human activity space means the decrease of animal habitat, which directly disturbs their peaceful life. 9 (另一方面), human activities lead to the rise of global temperature, which threatens the survival of some animals, especially those species living in the polar regions. They live on ice, where they hunt the ocean creatures. But the rapid melting of ice makes it hard for them to 10 (适应) the changes, which puts them 11 (处于危险之中). If we do not 12 (足够关注) this, the situation will be worse and the process of extinction will be accelerated.
We and wildlife 13 (属于) a common life circle, where we depend on each other. The extinction of 14 (大量) animals is an alarm to us. Protecting animals is to protect ourselves, which is urgent. If we do not act 15 (立刻;马上), perhaps the next species to die out in the near future will be ourselves.