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  3. What are some of the problems that Chromium Ⅵ can cause? One of the important issues in the story is ______.

What are some of the problems that Chromium Ⅵ can cause? One of the important issues in the story is ______.

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问题 What are some of the problems that Chromium Ⅵ can cause?
One of the important issues in the story is ______.
选项 A、the dangers of emergency rooms
B、doctors prescribing too many drugs
C、the battle to balance public health and a healthy economy
D、why scientists restricted asbestos
答案C
解析 见原文最后一段。工业和商业常常比人们的健康更重要。
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