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题库 / BiChu21-CR-504
Lead poisoning in children can cause serious brain damage and impaired development. Because ingestion of lead-based paints is the most common cause of lead poisoning among children, Centerville passed a law five years ago requiring the removal of lead-based paint from the walls of any house or apartment containing children. Yet, in the years since the law was passed, the number of new lead-poisoning cases among Centerville children has substantially increased.
Which of the following, if true would most help to explain why the number of cases of lead poisoning has increased despite the law about paint removal?
Many other common lead-based products were severely restricted by Centerville at the same time that the law was passed.
The process by which lead-based paint is removed from walls is extremely expensive.
The process by which lead-based paint is removed from walls releases paint dust that is easily ingestible.
The number of children living in Centerville now is just over half of what it was ten years ago.
The penalty for not removing lead paint from the walls is a substantial fine.