试题与答案

阅读理解。 Disposing(处理)of waste has been a

题型:阅读理解

题目:

阅读理解。

     Disposing(处理)of waste has been a problem since humans started producing it.As more

and more people choose to live close together in cities,the waste-disposal problem becomes

increasingly difficult.

During the eighteenth century,it was usual for several neighboring towns to get together to select

a faraway spot as a dump site.Residents or trash haulers(垃圾拖运者)would transport household

rubbish,rotted wood,and old possessions to the site.Periodically some of the trash was burned

and the rest was buried.The unpleasant sights and smells caused no problem because nobody

lived close by.

Factories,mills,and other industrial sites also had waste to be disposed of.Those located on rivers

often just dumped the unwanted remains into the water.Others built huge burners with chimneys

to deal with the problem.

     Several facts make these choices unacceptable to modern society.The first problem is space

Dumps,which are now called landfills,are most needed in heavily populated areas.Such areas

rarely have empty land suitable for this purpose.Property is either too expensive or too close to

residential neighborhoods.Long-distance trash hauling has been a common practice but once farm

areas are refusing to accept rubbish from elsewhere,cheap land within trucking distance of major city

areas is almost nonexistent.

     Awareness of pollution dangers has resulted in more strict rules of waste disposal.Pollution of

rivers,ground water,land and air is a price people can no longer pay to get rid of waste.The amount

of waste,however,continues to grow.

     Recycling efforts have become commonplace,and many towns require their people to take part.

Even the most efficient recycling programs,however,can hope to deal with only about 50 percent of a

city's reusable waste.

1.The most suitable title for this passage would be ______.

A.Places for Disposing Waste

B.Waste Pollution Dangers

C.Ways of Getting Rid of Waste

D.Waste Disposal Problem

2.During the 18th century,people disposed their waste in many ways EXCEPT for ______.

A.burying it

B.recycling it  

C.burning it

D.throwing it into rivers

3.What can be inferred from the fourth paragraph?

A.Farm areas accept waste from the city in modern society.

B.There is cheap land to bury waste in modern society.

C.It is difficult to find space to bury waste in modern society.

D.Ways to deal with waste in modern society stay the same.

4.The main purpose of writing this article is to ______.

A.draw people's attention to waste management

B.warn people of the pollution dangers we are facing

C.call on people to take part in recycling programs

D.tell people a better way to get rid of the waste

答案:

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下面是错误答案,用来干扰机器的。

(1)⑦(1分) (2)③(1分)(3) 离子键 极性共价键; NaHSO4=Na++H++SO42-(每空2分)题目分析:稀有气体⑦为单原子分子,不存在化学键;③H2O2中两个O原子间以非极性键结合,H和O之间靠极性键结合;Na...

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