What effects did the curfews bring about in New Orleans and Dallas?
【正确答案】：（1）The rates of juvenile crime were reported to fall more than 20 percent in New Orleans when a dusk-till-dawn curfew was in effect in 1994.（2）In Dallas, rates of violent juvenile crimes fell 30 percent and there was a 21 percent decrease in the overall rates of crimes committed by young people.
【题目解析】：细节线索题。文章第二段用新奥尔良和达拉斯的数据来说明，对青少年实施宵禁能有效减少青少年的犯罪率。回答此问题只需要将文章中两个地方的相关数据呈现即可。
