A.Legislation and govemment intervention.
B.The industry's understanding and support.
C.The efforts of environmental health professionals.
D.The cooperation of ecologists, environmental activists and conservationists.
A.environmental degradation may be stopped
B.environmental degradation may not be held back
C.it's better to spend pollution dollars on bandages
D.there is no link between environment and health
A.was shocked by the news that the power was out
B.tried to get on the elevator to go down
C.was likely to get angry at something that went wrong
D.had wanted to have a room on the first floor
A.disaster
B.chaos
C.crowd
D.accident