Humans are responsible for causing changes in the environment that hurt animals

Humans are responsible for causing changes in the environment that hurt animals and species(物种). We take up more space on Earth for our homes and cities. We pollute habitats(栖息地).    illegally hunt and kill animals. All of these activities take resources and habitats away     plants and animals.

Human activity often changes or destroys the habitats that plants and animals need to survive.     human populations are growing so fast, animals and plants are disappearing many times faster    they have in the past 65 million years.

Animals and plants have always had a     time surviving. Animals became extinct (灭绝的) in the past for a wide variety of reasons. In some cases, competition for resources among animals led to extinction and in     cases, environmental changes caused extinction.

Fortunately, we humans are beginning to realize our mistakes,      we could destroy everything on Earth. We must not only use our knowledge and abilities to manage the Earth, but to make the Earth     safe and healthy place where all animals and plants——including humans ourselves——can live.

试题答案

【小题1】We

【小题2】from

【小题3】Because/ As/ Since

【小题4】than 

【小题5】hard/ difficult

【小题6】other

【小题7】or/ otherwise

【小题8】a

解析:

略