A:错误,因为它没有吸纳张姓居民的意见
B:正确,因为它是居民会议民主决策的结果
C:错误,因为张姓居民的休息权受法律保护
D:正确,因为居民的娱乐要求受法律保护
读短文,回答问题。
May: Good morning! Can I help you?
Lucy: Yes. I want some pencils and pens.
May: We have many here. Which one do you like?
Lucy: That red one, please.
May: Here you are.
Lucy: Thank you. How much is it?
May: It's cheap. It's 1 yuan.
如图,已知直线a∥b∥c,直线m,n与a,b,c分别交于点A,C,E,B,D,F,若AC=4,CE=6,BD=3,则DF的值是( )