It is estimated(预计)that the Chinese use up to 3 billion plastic bags a day. The country has to refine(炼)5 million tons of crude oil every year to make them. When these bags go to landfills or are burned, they pollute the air, waterways and soil, which forms a huge threat to the health of humans. If they are abandoned, it takes tem almost 1,000 years to break down into particle(微粒)that do not harm the environment. And the abandoned plastic bags are also dangerous to wildlife who eat tem by accident.
Although some citizens are worried about the inconvenience of not having free plastic bags, most people are willing to make sacrifices(牺牲)to protect the environment.
A large number of Chinese have begun making their own cloth bags. Li Hui, a high school student in Tianjin, cut out a shopping bag from his old trousers. Just like his classmates, he sent his first work to his neighbors to promote the use of environmentally-friendly bags. “I am so proud that they like my design and promised to use it, said the boy.
Goodbye, plastic
Why is such a rule made? Using plastic bags has (1) ____________ a serious waste of energy and environmental pollution.
(2) ____________ do the plastic bags pollute the environment? A serious waste of
(4) ____________ Every year 5 million tons of crude oil is (5) ________ to make enough plastic bags for people to use.
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