33. One of the most important questions they had to consider was of public health.
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C
One of the most important que…——2009 高考英语第 32 题答案解析
2009_全国Ⅰ卷卷 (英语)
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2009_全国Ⅰ卷卷 (英语)
33. One of the most important questions they had to consider was of public health.
C