更多"Most people are aware that outdoor "的相关试题:
[填空题]Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can also have significant health effects. Environmental Protection Agency studies indicate that indoor levels of pollutants may be 2-5 times, and (47) more than 100 times, higher than outdoor levels. These levels of indoor air pollutants may be of particular concern because most people spend about 90% of their time (48) .
There are many sources of indoor air pollution in any home. These include combustion sources such as oil, gas, coal, wood, and tobacco products; building materials and furnishings as (49) as deteriorated (变坏的) asbestos-containing (含有石棉成分的) insulation (绝缘材料), wet or damp carpet, and cabinetry or furniture made of certain pressed (50) products; products for household cleaning and maintenance, personal care, or hobbies; central heating and cooling (51) and humidification devices; and outdoor
[填空题]Air pollution exists not only outdoor, but also indoor. It has great effects on people, and there are many measures taken to correct the problem.
Ⅰ. Effects of air pollution
1) Different groups of individuals are affected by air pollution in different ways.
Some individuals are more (1) ______ to pollutants.
-- Young children and elderly people suffer more.
-- People with (2) ______ suffer more.
2) The extent of air pollution effects on individuals depends on (3) ______ to the damaging chemicals.
3) Short-term effects
-- (4) to the eyes, nose and throat
-- upper respiratory infections
-- headaches, nausea, and allergic reactions
4) Long-term effects
-- chronic respiratory disease
-- lung cancer
-- heart disease
-- damage to the brain, nerves, lives or kidneys
Ⅱ. Measure taken to control air pollution
1) The first step: as
