语法填空 The population of the Earth is growing faster. It is important that we should care for the{#blank#}1{#/blank#}. We need it.
The Earth gives {#blank#}2{#/blank#} a lot of things. We {#blank#}3{#/blank#} give the Earth a lot. {#blank#}4{#/blank#} some of the things are not good.
In {#blank#}5{#/blank#} , when something dies, other animals and plants get food {#blank#}6{#/blank#} it. Every animal or plant gives food to other animals or plants. However, animals can't get food from many of the things that we give the Earth. Animals and plants can't eat metal（金属）, plastic（塑料）and glass. These things will {#blank#}7{#/blank#} in the ground for many, many years.
Some things are very dangerous for plants and animals. In some places, many animals live together. One animal makes food for many more animals. If we put rubbish and chemicals（化学制品）in the water, the plankton（浮游生物）will die. If there isn't any plankton, many animals have {#blank#}8{#/blank#} to eat.
So what can we do? Don't leave any rubbish（垃圾）in the countryside! Don't make so much rubbish!
