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: assessment
-- investigate outdoor air pollution
-- develop standards for measuring the type and (5) ______ of some air pollutants
-- determine how much exposure to pollutants is (6) ______
2) Steps to reduce exposure to air pollution
-- outdoor air pollution
· regulation of man-made 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 (9) ______
with the environment
-- indoor air pollution
· (10) ______ to be reviewed for potential harmful, effects
· adequate ventilation
· smoking to be restricted