The main cause of pollution is（）
A. the production of new industrial goods
B. increased amounts of unnatural substance
C. our ever-increasing population
D. the release of artificial substances into the environment
Continued use of alcohol and drugs can（）
A. help people develop physically and psychologically
B. make people feel sick
C. cause people to be in the habit of taking them
D. cause serious diseases
In the writer’s view, the more new goods there are,（）
A. the less pollution we have
B. the harder pollution can be done away with
C. the more pollution there will be
D. the more easily pollution can be controlled
Which of the following is not mentioned as the reason of young pedple’s drinking and usingdrugs in the passage（）
A. The selling of alcohol and drugs,
B. Pressure from their parents and relatives.
Curiosity.
D. Their eagerness to experience what ,is not permissible to them.
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