Question

People and the sources of air pollution are found in the same places. This means that cities with large populations have the biggest problem of dirty air. Air pollution is caused by many different things. A major source of air pollution is the gas fumes from cars. Statistics show that 93 percent of all auto trips are within cities. Another major source of dirty air is the burning of coal and oil for energy. This energy is needed to make electricity. Of course, much more electricity is used in the city than in the country.
On the average, we throw away more trash and garbage than the year before. The burning of garbage contributes to air pollution. Many major industries are also responsible for the dirty air in the around cities. The fumes from iron, steel, chemical, and petroleum production add particles to the air.
The effects of air pollution range from mild headaches to death. The levels of pollution found in heavy for traffic may cause headaches for loss of clear vision. Wherever coal and oil are used for fuel, fumes may kill trees and plants and cause metal to corrode. In some of the larger cities, these fumes endanger the live of human beings by contributing to lung diseases and causing early death.
【小題1】The key point of the passage is that _________.

A．the cause of air pollution is people

B．the causes and the effects of air pollution are both found in cities

C．the effects of air pollution range from headaches to death

D．a(chǎn)ir pollution is caused by dirty air

【小題2】What is the purpose of this passage?

A．to persuade people to stop polluting the air

B．to tell the causes of air pollution

C．to tell why cities are bad places to live

D．to describe why cities are bad places to live

【小題3】Why is air pollution more grave in the city than in the country?

A．Because there are larger populations in cities.

B．Because the air in the city is dirty.

C．Because there are more cars in the city.

D．Because there are much more gas fumes from cars and burning of coal and oil for energy in the city than in the country.

【小題4】The fumes from coal and oil may cause metal ______.

A．to corrode	B．to twist
C．to turn black	D．to become rusty

【小題5】In larger cities, the fumes from coal and oil may contribute to ___________.

A．heart disease	B．loss of clear vision
C．lung diseases	D．serious headache

Answer 1

【小題1】B
【小題2】A
【小題3】D
【小題4】A
【小題5】C

解析試題分析：本文主要講述了空氣污染的原因和空氣污染呢的影響，號召人們注意保護(hù)環(huán)境。
【小題1】B 主旨大意題。本文主要講述了空氣污染的原因和空氣污染呢的影響，故B項(xiàng)正確。
【小題2】A 推理題。在文章的最后一段詳細(xì)說明的空氣污染的危害，正是為了說服人們不要污染空氣了，要多做對環(huán)境保護(hù)有利的事情。故A項(xiàng)正確。
【小題3】D 細(xì)節(jié)題。根據(jù)第一段后5行A major source of air pollution is the gas fumes from cars. Statistics show that 93 percent of all auto trips are within cities. Another major source of dirty air is the burning of coal and oil for energy. This energy is needed to make electricity. Of course, much more electricity is used in the city than in the country.說明城里的汽車多，燃燒的煤炭多正是城里比鄉(xiāng)下污染嚴(yán)重的原因。故D項(xiàng)正確。
【小題4】A 細(xì)節(jié)題。根據(jù)最后一段2,3行fumes may kill trees and plants and cause metal to corrode.說明A項(xiàng)正確。
【小題5】C 細(xì)節(jié)題。根據(jù)文章最后兩行In some of the larger cities, these fumes endanger the live of human beings by contributing to lung diseases and causing early death.
說明這樣的污染能導(dǎo)致肺部疾病，導(dǎo)致人的死亡。故C項(xiàng)正確。
考點(diǎn)：考查環(huán)境保護(hù)類短文閱讀
點(diǎn)評：本文主要講述了空氣污染的原因和空氣污染呢的影響，號召人們注意保護(hù)環(huán)境。要抓住文章的中心思想，特別注意文章第一段以及每一段第一句的理解。本文集中考查了細(xì)節(jié)題，要求考生仔細(xì)閱讀文本，認(rèn)真審題，在文章中找出所考查的語群。