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{MP3:http://wximg.233.com/attached/media/20131228/20131228154919291929.mp3}
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 the (3) __________ to the damaging chemicals.3) short-term effects
-- (4) __________ to the eyes, nose and throat
-- upper respiratory infections
-- headaches, nausea, and allergic reactions4) 10ng-term effects
-- chronic respiratory disease-- lung cancer
m heart disease
-- damage to the brain, nerves, liver or kidneys
Ⅱ. Measures taken to control air pollution
1) the first step: assessment
-- investigate air pollution
-- develop standards for measuring the type and (5) __________ of some air pollutants
-- determine how much exposure to pollutants is (6) __________
2) stein to reduce exposure to air pollution
-- outdoor air pollution
● regulation of man-taMe pollution through (7) __________, which is usually done through a variety of(8) __________that monitor the air and the environment
●prevention through regulation, and through personal, careful attention to our (9) __________ with theenvironment
-- indoor air pOllution
●(10) __________ to be reviewed for potential harmful effects~ adequate ventilation
●smoking to be restricted
__________.
参考答案暂无
解析:
【结构提示】
本篇讲座围绕空气污染展开讨论,大致可分为两部分:第一部分论述了空气污染对人类的影响,第二部分介绍了如何解决空气污染的问题。
【试题解析】
sensitive。本题的出题点在比较级处。题干是说某一些人对污染物质更_____。讲座中提到,某些人对污染物质更敏感,故得答案sensitive。