试题题干
The first and foremost reason for establishing curfews is children's security. Typical curfews require that teenagers under 17 years stay out of streets starting from 11pm or midnight.
What does the word “curfew” mean in the passage?（）
参考答案
正确答案：
试题解析
词义理解题。由文章可知，curfews要求17岁以下青少年从晚上11点或午夜开始待在家里，curfews意为宵禁，故选B。