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When you throw something in the trash,soon a garbage truck will come to take it away.Then where does it go?That depends on where you live.Different towns deal with trash in different ways.
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Recycling
A recycling truck picks up paper,cardboard,metal,plastic and glass.These go to the recycling plant to be sorted and made into new things.
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Incinerator
An incinerator is a huge stove that burns trash to make heat and electricity.The ash that’s left gets buried in a landfill.Trash ash can be poisonous,so it has to be stored carefully.But it takes up a lot less room than just plain trash.
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Compost
Food waste might go to a composter.In a compost heap(堆肥堆),bacteria and worms break down dead plants and old food.They turn it into good,rich oil.Some people keep compost heaps in their gardens.Big commercial composters handle waste from restaurants and farms.
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Landfills
Some trash gets buried in landfills.A landfill starts as a big hole.Trucks dump trash.Big earth movers push it into place and crush it down.They cover the trash with dirt to keep scavengers(食腐动物) away.The bottom of a landfill is lined with a barrier to keep bad things from leaking into the ground.Pipes drain away liquid.When the landfill is full,it’s covered with earth.It might become a park or lawn.
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【语篇解读】本文主要介绍了垃圾处理的四种方法。
21.What can we learn from the passage?
A.Recycling helps to generate energy.
B.Bacteria and worms help handle food waste.
C.The landfill is used to drive scavengers away.
D.Trash ash is carefully handled to save room.
答案B
解析细节理解题。根据Compost中的第二句“Inacompostheap,bacteriaandwormsbreakdowndeadplantsandoldfood.”可知,B项“细菌和蠕虫有助于处理剩下的食物”正确。
22.What does the underlined word “They”(Para.4) refer to?
A.Dead plants. B.Composers.
C.Bacteria and worms. D.Food waste and soil.
答案C
解析代词指代题。根据画线词前面的“bacteriaandwormsbreakdowndeadplantsandoldfood”以及“...turnitintogood,richoil.”可知,此处的they指的就是“Bacteriaandworms”。
23.What’s the purpose of the passage?
A.To inform us of trash treatment.
B.To appeal for trash classification.
C.To discuss solutions to trash pollution.
D.To raise awareness of the harm of trash.
答案A
解析写作目的题。根据表格第一段最后一句“Differenttownsdealwithtrashindifferentways(不同的城市有不同的处理垃圾的办法)”以及表格中的四个小标题Recycling(循环),Incinerator(焚烧),Compost(堆肥)以及Landfills(填埋)可知,这篇文章是在向读者介绍四种垃圾处理的方法,所以选A项。
