Along the site, there are drop-off stations for materials that are not wanted or legally banned by the landfill. A multi-material drop-off station is used for tires, motor oil, lead-acid batteries. Some of these materials can be recycled.
In addition, there is a household hazardous waste drop-off station for chemicals that are banned from the landfill. These chemicals are disposed of by private companies. Some paints can be recycled and some organic chemicals can be burned in furnaces or power plants.
Other structures alongside the landfill are the borrowed area that supplies the soil for the landfill, the runoff collection pond and methane station.
Landfills are complicated structures that, when properly designed and managed, serve an important purpose. In the future, new technologies called bioreactors will be used to speed the breakdown of trash in landfills and produce more methane.
P
注意:此部分试题请在答题卡1上作答;8-10题在答题卡1上。
1. The passage gives a general description of the structure and use of a landfill.
2. Most of the trash that Americans generate ends up in landfills.
3. Compared with other major Industrialized countries, America buries a much higher percentage of its solid waste in landfills.
4. Landfills are like compost piles in that they speed up decomposition of the buried trash.
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